/usr/share/gir-1.0/Graphene-1.0.gir is in libgraphene-1.0-dev 1.8.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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<!-- This file was automatically generated from C sources - DO NOT EDIT!
To affect the contents of this file, edit the original C definitions,
and/or use gtk-doc annotations. -->
<repository version="1.2"
xmlns="http://www.gtk.org/introspection/core/1.0"
xmlns:c="http://www.gtk.org/introspection/c/1.0"
xmlns:glib="http://www.gtk.org/introspection/glib/1.0">
<include name="GObject" version="2.0"/>
<package name="graphene-gobject-1.0"/>
<c:include name="graphene-object.h"/>
<namespace name="Graphene"
version="1.0"
shared-library="libgraphene-1.0.so.0"
c:identifier-prefixes="Graphene"
c:symbol-prefixes="graphene">
<record name="Box"
c:type="graphene_box_t"
version="1.2"
glib:type-name="GrapheneBox"
glib:get-type="graphene_box_get_type"
c:symbol-prefix="box">
<doc xml:space="preserve">A 3D box, described as the volume between a minimum and
a maximum vertices.</doc>
<field name="min" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<field name="max" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<constructor name="alloc"
c:identifier="graphene_box_alloc"
version="1.2">
<doc xml:space="preserve">Allocates a new #graphene_box_t.
The contents of the returned structure are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_box_t structure.
Use graphene_box_free() to free the resources allocated by this function</doc>
<type name="Box" c:type="graphene_box_t*"/>
</return-value>
</constructor>
<method name="contains_box"
c:identifier="graphene_box_contains_box"
version="1.2">
<doc xml:space="preserve">Checks whether the #graphene_box_t @a contains the given
#graphene_box_t @b.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the box is contained in the given box</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="contains_point"
c:identifier="graphene_box_contains_point"
version="1.2">
<doc xml:space="preserve">Checks whether @box contains the given @point.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the point is contained in the given box</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">the coordinates to check</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_box_equal" version="1.2">
<doc xml:space="preserve">Checks whether the two given boxes are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the boxes are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="expand" c:identifier="graphene_box_expand" version="1.2">
<doc xml:space="preserve">Expands the dimensions of @box to include the coordinates at @point.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">the coordinates of the point to include</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the expanded box</doc>
<type name="Box" c:type="graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="expand_scalar"
c:identifier="graphene_box_expand_scalar"
version="1.2">
<doc xml:space="preserve">Expands the dimensions of @box by the given @scalar value.
If @scalar is positive, the #graphene_box_t will grow; if @scalar is
negative, the #graphene_box_t will shrink.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="scalar" transfer-ownership="none">
<doc xml:space="preserve">a scalar value</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the expanded box</doc>
<type name="Box" c:type="graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="expand_vec3"
c:identifier="graphene_box_expand_vec3"
version="1.2">
<doc xml:space="preserve">Expands the dimensions of @box to include the coordinates of the
given vector.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="vec" transfer-ownership="none">
<doc xml:space="preserve">the coordinates of the point to include, as a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the expanded box</doc>
<type name="Box" c:type="graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_box_free" version="1.2">
<doc xml:space="preserve">Frees the resources allocated by graphene_box_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="graphene_box_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_bounding_sphere"
c:identifier="graphene_box_get_bounding_sphere"
version="1.2">
<doc xml:space="preserve">Computes the bounding #graphene_sphere_t capable of containing the given
#graphene_box_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="sphere"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the bounding sphere</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</parameter>
</parameters>
</method>
<method name="get_center"
c:identifier="graphene_box_get_center"
version="1.2">
<doc xml:space="preserve">Retrieves the coordinates of the center of a #graphene_box_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="center"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the coordinates of
the center</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_depth"
c:identifier="graphene_box_get_depth"
version="1.2">
<doc xml:space="preserve">Retrieves the size of the @box on the Z axis.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the depth of the box</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_height"
c:identifier="graphene_box_get_height"
version="1.2">
<doc xml:space="preserve">Retrieves the size of the @box on the Y axis.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the height of the box</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_max" c:identifier="graphene_box_get_max" version="1.2">
<doc xml:space="preserve">Retrieves the coordinates of the maximum point of the given
#graphene_box_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="max"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the maximum point</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_min" c:identifier="graphene_box_get_min" version="1.2">
<doc xml:space="preserve">Retrieves the coordinates of the minimum point of the given
#graphene_box_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="min"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the minimum point</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_size"
c:identifier="graphene_box_get_size"
version="1.2">
<doc xml:space="preserve">Retrieves the size of the box on all three axes, and stores
it into the given @size vector.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="size"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the size</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="get_vertices"
c:identifier="graphene_box_get_vertices"
version="1.2">
<doc xml:space="preserve">Computes the vertices of the given #graphene_box_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="vertices"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for an array
of 8 #graphene_vec3_t</doc>
<array zero-terminated="0" c:type="graphene_vec3_t" fixed-size="8">
<type name="Vec3" c:type="graphene_vec3_t"/>
</array>
</parameter>
</parameters>
</method>
<method name="get_width"
c:identifier="graphene_box_get_width"
version="1.2">
<doc xml:space="preserve">Retrieves the size of the @box on the X axis.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the width of the box</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_box_init" version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_box_t with two vertices.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_box_t</doc>
<type name="Box" c:type="graphene_box_t*"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_box_t to initialize</doc>
<type name="Box" c:type="graphene_box_t*"/>
</instance-parameter>
<parameter name="min"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the coordinates of the minimum vertex</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="max"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the coordinates of the maximum vertex</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_box"
c:identifier="graphene_box_init_from_box"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_box_t with the vertices of
another #graphene_box_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_box_t</doc>
<type name="Box" c:type="graphene_box_t*"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_box_t to initialize</doc>
<type name="Box" c:type="graphene_box_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_points"
c:identifier="graphene_box_init_from_points"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_box_t with the given array
of vertices.
If @n_points is 0, the returned box is initialized with
graphene_box_empty().</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_box_t</doc>
<type name="Box" c:type="graphene_box_t*"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_box_t to initialize</doc>
<type name="Box" c:type="graphene_box_t*"/>
</instance-parameter>
<parameter name="n_points" transfer-ownership="none">
<doc xml:space="preserve">the number #graphene_point3d_t in the @points array</doc>
<type name="guint" c:type="unsigned int"/>
</parameter>
<parameter name="points" transfer-ownership="none">
<doc xml:space="preserve">an array of #graphene_point3d_t</doc>
<array length="0" zero-terminated="0" c:type="graphene_point3d_t*">
<type name="Point3D" c:type="graphene_point3d_t"/>
</array>
</parameter>
</parameters>
</method>
<method name="init_from_vec3"
c:identifier="graphene_box_init_from_vec3"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_box_t with two vertices
stored inside #graphene_vec3_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_box_t</doc>
<type name="Box" c:type="graphene_box_t*"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_box_t to initialize</doc>
<type name="Box" c:type="graphene_box_t*"/>
</instance-parameter>
<parameter name="min"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the coordinates of the minimum vertex</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="max"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the coordinates of the maximum vertex</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_vectors"
c:identifier="graphene_box_init_from_vectors"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_box_t with the given array
of vertices.
If @n_vectors is 0, the returned box is initialized with
graphene_box_empty().</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_box_t</doc>
<type name="Box" c:type="graphene_box_t*"/>
</return-value>
<parameters>
<instance-parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_box_t to initialize</doc>
<type name="Box" c:type="graphene_box_t*"/>
</instance-parameter>
<parameter name="n_vectors" transfer-ownership="none">
<doc xml:space="preserve">the number #graphene_point3d_t in the @vectors array</doc>
<type name="guint" c:type="unsigned int"/>
</parameter>
<parameter name="vectors" transfer-ownership="none">
<doc xml:space="preserve">an array of #graphene_vec3_t</doc>
<array length="0" zero-terminated="0" c:type="graphene_vec3_t*">
<type name="Vec3" c:type="graphene_vec3_t"/>
</array>
</parameter>
</parameters>
</method>
<method name="intersection"
c:identifier="graphene_box_intersection"
version="1.2">
<doc xml:space="preserve">Intersects the two given #graphene_box_t.
If the two boxes do not intersect, @res will contain a degenerate box
initialized with graphene_box_empty().</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">true if the two boxes intersect</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the result</doc>
<type name="Box" c:type="graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="union" c:identifier="graphene_box_union" version="1.2">
<doc xml:space="preserve">Unions the two given #graphene_box_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">the box to union to @a</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result</doc>
<type name="Box" c:type="graphene_box_t*"/>
</parameter>
</parameters>
</method>
<function name="empty" c:identifier="graphene_box_empty" version="1.2">
<doc xml:space="preserve">A degenerate #graphene_box_t that can only be expanded.
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="infinite"
c:identifier="graphene_box_infinite"
version="1.2">
<doc xml:space="preserve">A degenerate #graphene_box_t that cannot be expanded.
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="minus_one"
c:identifier="graphene_box_minus_one"
version="1.2">
<doc xml:space="preserve">A #graphene_box_t with the minimum vertex set at (-1, -1, -1) and the
maximum vertex set at (0, 0, 0).
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="one" c:identifier="graphene_box_one" version="1.2">
<doc xml:space="preserve">A #graphene_box_t with the minimum vertex set at (0, 0, 0) and the
maximum vertex set at (1, 1, 1).
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="one_minus_one"
c:identifier="graphene_box_one_minus_one"
version="1.2">
<doc xml:space="preserve">A #graphene_box_t with the minimum vertex set at (-1, -1, -1) and the
maximum vertex set at (1, 1, 1).
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="zero" c:identifier="graphene_box_zero" version="1.2">
<doc xml:space="preserve">A #graphene_box_t with both the minimum and maximum vertices set at (0, 0, 0).
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
</record>
<record name="Euler"
c:type="graphene_euler_t"
version="1.2"
glib:type-name="GrapheneEuler"
glib:get-type="graphene_euler_get_type"
c:symbol-prefix="euler">
<doc xml:space="preserve">Describe a rotation using Euler angles.
The contents of the #graphene_euler_t structure are private
and should never be accessed directly.</doc>
<field name="angles" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<field name="order" readable="0" private="1">
<type name="EulerOrder" c:type="graphene_euler_order_t"/>
</field>
<constructor name="alloc"
c:identifier="graphene_euler_alloc"
version="1.2">
<doc xml:space="preserve">Allocates a new #graphene_euler_t.
The contents of the returned structure are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</return-value>
</constructor>
<method name="equal" c:identifier="graphene_euler_equal" version="1.2">
<doc xml:space="preserve">Checks if two #graphene_euler_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the two #graphene_euler_t are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_euler_free" version="1.2">
<doc xml:space="preserve">Frees the resources allocated by graphene_euler_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_order"
c:identifier="graphene_euler_get_order"
version="1.2">
<doc xml:space="preserve">Retrieves the order used to apply the rotations described in the
#graphene_euler_t structure, when converting to and from other
structures, like #graphene_quaternion_t and #graphene_matrix_t.
This function does not return the %GRAPHENE_EULER_ORDER_DEFAULT
enumeration value; it will return the effective order of rotation
instead.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the order used to apply the rotations</doc>
<type name="EulerOrder" c:type="graphene_euler_order_t"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_x" c:identifier="graphene_euler_get_x" version="1.2">
<doc xml:space="preserve">Retrieves the rotation angle on the X axis, in degrees.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the rotation angle</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_y" c:identifier="graphene_euler_get_y" version="1.2">
<doc xml:space="preserve">Retrieves the rotation angle on the Y axis, in degrees.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the rotation angle</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_z" c:identifier="graphene_euler_get_z" version="1.2">
<doc xml:space="preserve">Retrieves the rotation angle on the Z axis, in degrees.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the rotation angle</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_euler_init" version="1.2">
<doc xml:space="preserve">Initializes a #graphene_euler_t using the given angles.
The order of the rotations is %GRAPHENE_EULER_ORDER_DEFAULT.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_euler_t to initialize</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the X axis, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the Y axis, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the Z axis, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_euler"
c:identifier="graphene_euler_init_from_euler"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_euler_t using the angles and order of
another #graphene_euler_t.
If the #graphene_euler_t @src is %NULL, this function is equivalent
to calling graphene_euler_init() with all angles set to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_euler_t to initialize</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</instance-parameter>
<parameter name="src"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_matrix"
c:identifier="graphene_euler_init_from_matrix"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_euler_t using the given rotation matrix.
If the #graphene_matrix_t @m is %NULL, the #graphene_euler_t will
be initialized with all angles set to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_euler_t to initialize</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</instance-parameter>
<parameter name="m"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a rotation matrix</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</parameter>
<parameter name="order" transfer-ownership="none">
<doc xml:space="preserve">the order used to apply the rotations</doc>
<type name="EulerOrder" c:type="graphene_euler_order_t"/>
</parameter>
</parameters>
</method>
<method name="init_from_quaternion"
c:identifier="graphene_euler_init_from_quaternion"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_euler_t using the given normalized quaternion.
If the #graphene_quaternion_t @q is %NULL, the #graphene_euler_t will
be initialized with all angles set to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</instance-parameter>
<parameter name="q"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a normalized #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</parameter>
<parameter name="order" transfer-ownership="none">
<doc xml:space="preserve">the order used to apply the rotations</doc>
<type name="EulerOrder" c:type="graphene_euler_order_t"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec3"
c:identifier="graphene_euler_init_from_vec3"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_euler_t using the angles contained in a
#graphene_vec3_t.
If the #graphene_vec3_t @v is %NULL, the #graphene_euler_t will be
initialized with all angles set to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_euler_t to initialize</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</instance-parameter>
<parameter name="v"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_vec3_t containing the rotation
angles in degrees</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="order" transfer-ownership="none">
<doc xml:space="preserve">the order used to apply the rotations</doc>
<type name="EulerOrder" c:type="graphene_euler_order_t"/>
</parameter>
</parameters>
</method>
<method name="init_with_order"
c:identifier="graphene_euler_init_with_order"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_euler_t with the given angles and @order.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_euler_t to initialize</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the X axis, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the Y axis, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the Z axis, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="order" transfer-ownership="none">
<doc xml:space="preserve">the order used to apply the rotations</doc>
<type name="EulerOrder" c:type="graphene_euler_order_t"/>
</parameter>
</parameters>
</method>
<method name="reorder"
c:identifier="graphene_euler_reorder"
version="1.2">
<doc xml:space="preserve">Reorders a #graphene_euler_t using @order.
This function is equivalent to creating a #graphene_quaternion_t from the
given #graphene_euler_t, and then converting the quaternion into another
#graphene_euler_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</instance-parameter>
<parameter name="order" transfer-ownership="none">
<doc xml:space="preserve">the new order</doc>
<type name="EulerOrder" c:type="graphene_euler_order_t"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the reordered
#graphene_euler_t</doc>
<type name="Euler" c:type="graphene_euler_t*"/>
</parameter>
</parameters>
</method>
<method name="to_matrix"
c:identifier="graphene_euler_to_matrix"
version="1.2">
<doc xml:space="preserve">Converts a #graphene_euler_t into a transformation matrix expressing
the extrinsic composition of rotations described by the Euler angles.
The rotations are applied over the reference frame axes in the order
associated with the #graphene_euler_t; for instance, if the order
used to initialize @e is %GRAPHENE_EULER_ORDER_XYZ:
* the first rotation moves the body around the X axis with
an angle φ
* the second rotation moves the body around the Y axis with
an angle of Ï‘
* the third rotation moves the body around the Z axis with
an angle of ψ
The rotation sign convention is left-handed, to preserve compatibility
between Euler-based, quaternion-based, and angle-axis-based rotations.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="to_vec3"
c:identifier="graphene_euler_to_vec3"
version="1.2">
<doc xml:space="preserve">Retrieves the angles of a #graphene_euler_t and initializes a
#graphene_vec3_t with them.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
</record>
<enumeration name="EulerOrder"
version="1.2"
c:type="graphene_euler_order_t">
<doc xml:space="preserve">Specify the order of the rotations on each axis.
The %GRAPHENE_EULER_ORDER_DEFAULT value is special, and is used
as an alias for one of the other orders.</doc>
<member name="default"
value="-1"
c:identifier="GRAPHENE_EULER_ORDER_DEFAULT">
<doc xml:space="preserve">Rotate in the default order; the
default order is one of the following enumeration values</doc>
</member>
<member name="xyz" value="0" c:identifier="GRAPHENE_EULER_ORDER_XYZ">
<doc xml:space="preserve">Rotate in the X, Y, and Z order</doc>
</member>
<member name="yzx" value="1" c:identifier="GRAPHENE_EULER_ORDER_YZX">
<doc xml:space="preserve">Rotate in the Y, Z, and X order</doc>
</member>
<member name="zxy" value="2" c:identifier="GRAPHENE_EULER_ORDER_ZXY">
<doc xml:space="preserve">Rotate in the Z, X, and Y order</doc>
</member>
<member name="xzy" value="3" c:identifier="GRAPHENE_EULER_ORDER_XZY">
<doc xml:space="preserve">Rotate in the X, Z, and Y order</doc>
</member>
<member name="yxz" value="4" c:identifier="GRAPHENE_EULER_ORDER_YXZ">
<doc xml:space="preserve">Rotate in the Y, X, and Z order</doc>
</member>
<member name="zyx" value="5" c:identifier="GRAPHENE_EULER_ORDER_ZYX">
<doc xml:space="preserve">Rotate in the Z, Y, and X order</doc>
</member>
</enumeration>
<record name="Frustum"
c:type="graphene_frustum_t"
version="1.2"
glib:type-name="GrapheneFrustum"
glib:get-type="graphene_frustum_get_type"
c:symbol-prefix="frustum">
<doc xml:space="preserve">A 3D volume delimited by 2D clip planes.
The contents of the `graphene_frustum_t` are private, and should not be
modified directly.</doc>
<field name="planes" readable="0" private="1">
<array zero-terminated="0" c:type="graphene_plane_t" fixed-size="6">
<type name="Plane" c:type="graphene_plane_t"/>
</array>
</field>
<constructor name="alloc"
c:identifier="graphene_frustum_alloc"
version="1.2">
<doc xml:space="preserve">Allocates a new #graphene_frustum_t structure.
The contents of the returned structure are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_frustum_t
structure. Use graphene_frustum_free() to free the resources
allocated by this function.</doc>
<type name="Frustum" c:type="graphene_frustum_t*"/>
</return-value>
</constructor>
<method name="contains_point"
c:identifier="graphene_frustum_contains_point"
version="1.2">
<doc xml:space="preserve">Checks whether a point is inside the volume defined by the given
#graphene_frustum_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the point is inside the frustum</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="f" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="const graphene_frustum_t*"/>
</instance-parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_frustum_equal" version="1.6">
<doc xml:space="preserve">Checks whether the two given #graphene_frustum_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the given frustums are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="const graphene_frustum_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="const graphene_frustum_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_frustum_free" version="1.2">
<doc xml:space="preserve">Frees the resources allocated by graphene_frustum_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="f" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="graphene_frustum_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_planes"
c:identifier="graphene_frustum_get_planes"
version="1.2">
<doc xml:space="preserve">Retrieves the planes that define the given #graphene_frustum_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="f" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="const graphene_frustum_t*"/>
</instance-parameter>
<parameter name="planes"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for an array
of 6 #graphene_plane_t</doc>
<array zero-terminated="0"
c:type="graphene_plane_t"
fixed-size="6">
<type name="Plane" c:type="graphene_plane_t"/>
</array>
</parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_frustum_init" version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_frustum_t using the provided
clipping planes.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized frustum</doc>
<type name="Frustum" c:type="graphene_frustum_t*"/>
</return-value>
<parameters>
<instance-parameter name="f" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_frustum_t to initialize</doc>
<type name="Frustum" c:type="graphene_frustum_t*"/>
</instance-parameter>
<parameter name="p0" transfer-ownership="none">
<doc xml:space="preserve">a clipping plane</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
<parameter name="p1" transfer-ownership="none">
<doc xml:space="preserve">a clipping plane</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
<parameter name="p2" transfer-ownership="none">
<doc xml:space="preserve">a clipping plane</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
<parameter name="p3" transfer-ownership="none">
<doc xml:space="preserve">a clipping plane</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
<parameter name="p4" transfer-ownership="none">
<doc xml:space="preserve">a clipping plane</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
<parameter name="p5" transfer-ownership="none">
<doc xml:space="preserve">a clipping plane</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_frustum"
c:identifier="graphene_frustum_init_from_frustum"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_frustum_t using the clipping
planes of another #graphene_frustum_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized frustum</doc>
<type name="Frustum" c:type="graphene_frustum_t*"/>
</return-value>
<parameters>
<instance-parameter name="f" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_frustum_t to initialize</doc>
<type name="Frustum" c:type="graphene_frustum_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="const graphene_frustum_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_matrix"
c:identifier="graphene_frustum_init_from_matrix"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_frustum_t using the given @matrix.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized frustum</doc>
<type name="Frustum" c:type="graphene_frustum_t*"/>
</return-value>
<parameters>
<instance-parameter name="f" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="graphene_frustum_t*"/>
</instance-parameter>
<parameter name="matrix" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="intersects_box"
c:identifier="graphene_frustum_intersects_box"
version="1.2">
<doc xml:space="preserve">Checks whether the given @box intersects a plane of
a #graphene_frustum_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the box intersects the frustum</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="f" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="const graphene_frustum_t*"/>
</instance-parameter>
<parameter name="box" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="intersects_sphere"
c:identifier="graphene_frustum_intersects_sphere"
version="1.2">
<doc xml:space="preserve">Checks whether the given @sphere intersects a plane of
a #graphene_frustum_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the sphere intersects the frustum</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="f" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_frustum_t</doc>
<type name="Frustum" c:type="const graphene_frustum_t*"/>
</instance-parameter>
<parameter name="sphere" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</parameter>
</parameters>
</method>
</record>
<record name="Matrix"
c:type="graphene_matrix_t"
glib:type-name="GrapheneMatrix"
glib:get-type="graphene_matrix_get_type"
c:symbol-prefix="matrix">
<doc xml:space="preserve">A structure capable of holding a 4x4 matrix.
The contents of the #graphene_matrix_t structure are private and
should never be accessed directly.</doc>
<field name="value" introspectable="0" readable="0" private="1">
<type c:type="graphene_simd4x4f_t"/>
</field>
<constructor name="alloc"
c:identifier="graphene_matrix_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_matrix_t.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
</constructor>
<method name="determinant"
c:identifier="graphene_matrix_determinant"
version="1.0">
<doc xml:space="preserve">Computes the determinant of the given matrix.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the determinant</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_matrix_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated by graphene_matrix_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_row"
c:identifier="graphene_matrix_get_row"
version="1.0">
<doc xml:space="preserve">Retrieves the given row vector at @index_ inside a matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="index_" transfer-ownership="none">
<doc xml:space="preserve">the index of the row vector, between 0 and 3</doc>
<type name="guint" c:type="unsigned int"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the #graphene_vec4_t
that is used to store the row vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="get_value"
c:identifier="graphene_matrix_get_value"
version="1.0">
<doc xml:space="preserve">Retrieves the value at the given @row and @col index.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value at the given indices</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="row" transfer-ownership="none">
<doc xml:space="preserve">the row index</doc>
<type name="guint" c:type="unsigned int"/>
</parameter>
<parameter name="col" transfer-ownership="none">
<doc xml:space="preserve">the column index</doc>
<type name="guint" c:type="unsigned int"/>
</parameter>
</parameters>
</method>
<method name="get_x_scale"
c:identifier="graphene_matrix_get_x_scale"
version="1.0">
<doc xml:space="preserve">Retrieves the scaling factor on the X axis in @m.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the scaling factor</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_y_scale"
c:identifier="graphene_matrix_get_y_scale"
version="1.0">
<doc xml:space="preserve">Retrieves the scaling factor on the Y axis in @m.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the scaling factor</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_z_scale"
c:identifier="graphene_matrix_get_z_scale"
version="1.0">
<doc xml:space="preserve">Retrieves the scaling factor on the Z axis in @m.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the scaling factor</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init_from_2d"
c:identifier="graphene_matrix_init_from_2d"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t from the values of an affine
transformation matrix.
The arguments map to the following matrix layout:
|[<!-- language="plain" -->
| xx yx | | a b 0 |
| xy yy | = | c d 0 |
| x0 y0 | | tx ty 1 |
]|
This function can be used to convert between a matrix type from
other libraries and a #graphene_matrix_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="xx" transfer-ownership="none">
<doc xml:space="preserve">the xx member</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="yx" transfer-ownership="none">
<doc xml:space="preserve">the yx member</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="xy" transfer-ownership="none">
<doc xml:space="preserve">the xy member</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="yy" transfer-ownership="none">
<doc xml:space="preserve">the yy member</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="x_0" transfer-ownership="none">
<doc xml:space="preserve">the x0 member</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="y_0" transfer-ownership="none">
<doc xml:space="preserve">the y0 member</doc>
<type name="gdouble" c:type="double"/>
</parameter>
</parameters>
</method>
<method name="init_from_float"
c:identifier="graphene_matrix_init_from_float"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t with the given array of floating
point values.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">an array of at least 16 floating
point values</doc>
<array zero-terminated="0" c:type="float*" fixed-size="16">
<type name="gfloat" c:type="float"/>
</array>
</parameter>
</parameters>
</method>
<method name="init_from_matrix"
c:identifier="graphene_matrix_init_from_matrix"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t using the values of the
given matrix.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec4"
c:identifier="graphene_matrix_init_from_vec4"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t with the given four row
vectors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="v0" transfer-ownership="none">
<doc xml:space="preserve">the first row vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="v1" transfer-ownership="none">
<doc xml:space="preserve">the second row vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="v2" transfer-ownership="none">
<doc xml:space="preserve">the third row vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="v3" transfer-ownership="none">
<doc xml:space="preserve">the fourth row vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="init_frustum"
c:identifier="graphene_matrix_init_frustum"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_matrix_t compatible with #graphene_frustum_t.
See also: graphene_frustum_init_from_matrix()</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="left" transfer-ownership="none">
<doc xml:space="preserve">distance of the left clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="right" transfer-ownership="none">
<doc xml:space="preserve">distance of the right clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="bottom" transfer-ownership="none">
<doc xml:space="preserve">distance of the bottom clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="top" transfer-ownership="none">
<doc xml:space="preserve">distance of the top clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z_near" transfer-ownership="none">
<doc xml:space="preserve">distance of the near clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z_far" transfer-ownership="none">
<doc xml:space="preserve">distance of the far clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_identity"
c:identifier="graphene_matrix_init_identity"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t with the identity matrix.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init_look_at"
c:identifier="graphene_matrix_init_look_at"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t so that it positions the "camera"
at the given @eye coordinates towards an object at the @center
coordinates. The top of the camera is aligned to the direction
of the @up vector.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="eye" transfer-ownership="none">
<doc xml:space="preserve">the vector describing the position to look from</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="center" transfer-ownership="none">
<doc xml:space="preserve">the vector describing the position to look at</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="up" transfer-ownership="none">
<doc xml:space="preserve">the vector describing the world's upward direction; usually,
this is the graphene_vec3_y_axis() vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="init_ortho"
c:identifier="graphene_matrix_init_ortho"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t with an orthographic projection.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="left" transfer-ownership="none">
<doc xml:space="preserve">the left edge of the clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="right" transfer-ownership="none">
<doc xml:space="preserve">the right edge of the clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="top" transfer-ownership="none">
<doc xml:space="preserve">the top edge of the clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="bottom" transfer-ownership="none">
<doc xml:space="preserve">the bottom edge of the clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z_near" transfer-ownership="none">
<doc xml:space="preserve">the distance of the near clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z_far" transfer-ownership="none">
<doc xml:space="preserve">the distance of the far clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_perspective"
c:identifier="graphene_matrix_init_perspective"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t with a perspective projection.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="fovy" transfer-ownership="none">
<doc xml:space="preserve">the field of view angle, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="aspect" transfer-ownership="none">
<doc xml:space="preserve">the aspect value</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z_near" transfer-ownership="none">
<doc xml:space="preserve">the near Z plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z_far" transfer-ownership="none">
<doc xml:space="preserve">the far Z plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_rotate"
c:identifier="graphene_matrix_init_rotate"
version="1.0">
<doc xml:space="preserve">Initializes @m to represent a rotation of @angle degrees on
the axis represented by the @axis vector.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="angle" transfer-ownership="none">
<doc xml:space="preserve">the rotation angle, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="axis" transfer-ownership="none">
<doc xml:space="preserve">the axis vector as a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="init_scale"
c:identifier="graphene_matrix_init_scale"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t with the given scaling factors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">the scale factor on the X axis</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">the scale factor on the Y axis</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z" transfer-ownership="none">
<doc xml:space="preserve">the scale factor on the Z axis</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_skew"
c:identifier="graphene_matrix_init_skew"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t with a skew transformation
with the given factors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="x_skew" transfer-ownership="none">
<doc xml:space="preserve">skew factor on the X axis</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y_skew" transfer-ownership="none">
<doc xml:space="preserve">skew factor on the Y axis</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_translate"
c:identifier="graphene_matrix_init_translate"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_matrix_t with a translation to the
given coordinates.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">the translation coordinates</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="interpolate"
c:identifier="graphene_matrix_interpolate"
version="1.0">
<doc xml:space="preserve">Linearly interpolates the two given #graphene_matrix_t by
interpolating the decomposed transformations separately.
If either matrix cannot be reduced to their transformations
then the interpolation cannot be performed, and this function
will return an identity matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the linear interpolation factor</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
interpolated matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="inverse"
c:identifier="graphene_matrix_inverse"
version="1.0">
<doc xml:space="preserve">Inverts the given matrix.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the matrix is invertible</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
inverse matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="is_2d" c:identifier="graphene_matrix_is_2d" version="1.0">
<doc xml:space="preserve">Checks whether the given #graphene_matrix_t is compatible with an
a 2D affine transformation matrix.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the matrix is compatible with an affine
transformation matrix</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="is_backface_visible"
c:identifier="graphene_matrix_is_backface_visible"
version="1.0">
<doc xml:space="preserve">Checks whether a #graphene_matrix_t has a visible back face.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the back face of the matrix is visible</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="is_identity"
c:identifier="graphene_matrix_is_identity"
version="1.0">
<doc xml:space="preserve">Checks whether the given #graphene_matrix_t is the identity matrix.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the matrix is the identity matrix</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="is_singular"
c:identifier="graphene_matrix_is_singular"
version="1.0">
<doc xml:space="preserve">Checks whether a matrix is singular.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the matrix is singular</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="multiply"
c:identifier="graphene_matrix_multiply"
version="1.0">
<doc xml:space="preserve">Multiplies two #graphene_matrix_t.
Remember: matrix multiplication is not commutative, except for the
identity matrix; the product of this multiplication is (A * B).</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the matrix
result</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="normalize"
c:identifier="graphene_matrix_normalize"
version="1.0">
<doc xml:space="preserve">Normalizes the given #graphene_matrix_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the normalized matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="perspective"
c:identifier="graphene_matrix_perspective"
version="1.0">
<doc xml:space="preserve">Applies a perspective of @depth to the matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="depth" transfer-ownership="none">
<doc xml:space="preserve">the depth of the perspective</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
perspective matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="print" c:identifier="graphene_matrix_print" version="1.0">
<doc xml:space="preserve">Prints the contents of a matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">The matrix to print</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="project_point"
c:identifier="graphene_matrix_project_point"
version="1.0">
<doc xml:space="preserve">Projects a #graphene_point_t using the matrix @m.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the projected
point</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="project_rect"
c:identifier="graphene_matrix_project_rect"
version="1.2">
<doc xml:space="preserve">Projects a #graphene_rect_t using the given matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the projected
rectangle</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</parameter>
</parameters>
</method>
<method name="project_rect_bounds"
c:identifier="graphene_matrix_project_rect_bounds"
version="1.0">
<doc xml:space="preserve">Projects a #graphene_rect_t using the given matrix.
The resulting rectangle is the bounding box capable of containing
fully the projected rectangle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the projected
rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="rotate"
c:identifier="graphene_matrix_rotate"
version="1.0">
<doc xml:space="preserve">Adds a rotation transformation to @m, using the given @angle
and @axis vector.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="angle" transfer-ownership="none">
<doc xml:space="preserve">the rotation angle, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="axis" transfer-ownership="none">
<doc xml:space="preserve">the rotation axis, as a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="rotate_euler"
c:identifier="graphene_matrix_rotate_euler"
version="1.2">
<doc xml:space="preserve">Adds a rotation transformation to @m, using the given
#graphene_euler_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a rotation described by a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</parameter>
</parameters>
</method>
<method name="rotate_quaternion"
c:identifier="graphene_matrix_rotate_quaternion"
version="1.2">
<doc xml:space="preserve">Adds a rotation transformation to @m, using the given
#graphene_quaternion_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a rotation described by a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</parameter>
</parameters>
</method>
<method name="rotate_x"
c:identifier="graphene_matrix_rotate_x"
version="1.0">
<doc xml:space="preserve">Adds a rotation transformation around the X axis to @m, using
the given @angle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="angle" transfer-ownership="none">
<doc xml:space="preserve">the rotation angle, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="rotate_y"
c:identifier="graphene_matrix_rotate_y"
version="1.0">
<doc xml:space="preserve">Adds a rotation transformation around the Y axis to @m, using
the given @angle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="angle" transfer-ownership="none">
<doc xml:space="preserve">the rotation angle, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="rotate_z"
c:identifier="graphene_matrix_rotate_z"
version="1.0">
<doc xml:space="preserve">Adds a rotation transformation around the Z axis to @m, using
the given @angle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="angle" transfer-ownership="none">
<doc xml:space="preserve">the rotation angle, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="scale" c:identifier="graphene_matrix_scale" version="1.0">
<doc xml:space="preserve">Adds a scaling transformation to @m, using the three
given factors.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="factor_x" transfer-ownership="none">
<doc xml:space="preserve">scaling factor on the X axis</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="factor_y" transfer-ownership="none">
<doc xml:space="preserve">scaling factor on the Y axis</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="factor_z" transfer-ownership="none">
<doc xml:space="preserve">scaling factor on the Z axis</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="skew_xy"
c:identifier="graphene_matrix_skew_xy"
version="1.0">
<doc xml:space="preserve">Adds a skew of @factor on the X and Y axis to the given matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">skew factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="skew_xz"
c:identifier="graphene_matrix_skew_xz"
version="1.0">
<doc xml:space="preserve">Adds a skew of @factor on the X and Z axis to the given matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">skew factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="skew_yz"
c:identifier="graphene_matrix_skew_yz"
version="1.0">
<doc xml:space="preserve">Adds a skew of @factor on the Y and Z axis to the given matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">skew factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="to_2d" c:identifier="graphene_matrix_to_2d" version="1.0">
<doc xml:space="preserve">Converts a #graphene_matrix_t to an affine transformation
matrix, if the given matrix is compatible.
The returned values have the following layout:
|[<!-- language="plain" -->
| xx yx | | a b 0 |
| xy yy | = | c d 0 |
| x0 y0 | | tx ty 1 |
]|
This function can be used to convert between a #graphene_matrix_t
and a matrix type from other libraries.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the matrix is compatible with an affine
transformation matrix</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="xx"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">return location for the xx member</doc>
<type name="gdouble" c:type="double*"/>
</parameter>
<parameter name="yx"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">return location for the yx member</doc>
<type name="gdouble" c:type="double*"/>
</parameter>
<parameter name="xy"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">return location for the xy member</doc>
<type name="gdouble" c:type="double*"/>
</parameter>
<parameter name="yy"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">return location for the yy member</doc>
<type name="gdouble" c:type="double*"/>
</parameter>
<parameter name="x_0"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">return location for the x0 member</doc>
<type name="gdouble" c:type="double*"/>
</parameter>
<parameter name="y_0"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">return location for the y0 member</doc>
<type name="gdouble" c:type="double*"/>
</parameter>
</parameters>
</method>
<method name="to_float"
c:identifier="graphene_matrix_to_float"
version="1.0">
<doc xml:space="preserve">Converts a #graphene_matrix_t to an array of floating point
values.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="v"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location
for an array of floating point values. The array must be capable
of holding at least 16 values.</doc>
<array zero-terminated="0" c:type="float*" fixed-size="16">
<type name="gfloat" c:type="float"/>
</array>
</parameter>
</parameters>
</method>
<method name="transform_bounds"
c:identifier="graphene_matrix_transform_bounds"
version="1.0">
<doc xml:space="preserve">Transforms a #graphene_rect_t using the given matrix @m. The
result is the bounding box containing the coplanar quad.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the bounds
of the transformed rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="transform_box"
c:identifier="graphene_matrix_transform_box"
version="1.2">
<doc xml:space="preserve">Transforms a #graphene_box_t using the given matrix @m. The
result is the bounding box containing the transformed box.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the bounds
of the transformed box</doc>
<type name="Box" c:type="graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="transform_point"
c:identifier="graphene_matrix_transform_point"
version="1.0">
<doc xml:space="preserve">Transforms the given #graphene_point_t using the matrix @m.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
transformed #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="transform_point3d"
c:identifier="graphene_matrix_transform_point3d"
version="1.2">
<doc xml:space="preserve">Transforms the given #graphene_point3d_t using the matrix @m.
Unlike graphene_matrix_transform_vec3(), this function will take into
account the fourth row vector of the #graphene_matrix_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="transform_ray"
c:identifier="graphene_matrix_transform_ray"
version="1.4">
<doc xml:space="preserve">Transform a #graphene_ray_t using the given matrix @m.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
transformed ray</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</parameter>
</parameters>
</method>
<method name="transform_rect"
c:identifier="graphene_matrix_transform_rect"
version="1.0">
<doc xml:space="preserve">Transforms a #graphene_rect_t using the given matrix @m. The
result is a coplanar quad.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
transformed quad</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</parameter>
</parameters>
</method>
<method name="transform_sphere"
c:identifier="graphene_matrix_transform_sphere"
version="1.2">
<doc xml:space="preserve">Transforms a #graphene_sphere_t using the given matrix @m. The
result is the bounding sphere containing the transformed sphere.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the bounds
of the transformed sphere</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</parameter>
</parameters>
</method>
<method name="transform_vec3"
c:identifier="graphene_matrix_transform_vec3"
version="1.0">
<doc xml:space="preserve">Transforms the given #graphene_vec3_t using the matrix @m.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="transform_vec4"
c:identifier="graphene_matrix_transform_vec4"
version="1.0">
<doc xml:space="preserve">Transforms the given #graphene_vec4_t using the matrix @m.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_vec4_t</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="translate"
c:identifier="graphene_matrix_translate"
version="1.0">
<doc xml:space="preserve">Adds a translation transformation to @m using the coordinates
of the given #graphene_point3d_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</instance-parameter>
<parameter name="pos" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="transpose"
c:identifier="graphene_matrix_transpose"
version="1.0">
<doc xml:space="preserve">Transposes the given matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
transposed matrix</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="unproject_point3d"
c:identifier="graphene_matrix_unproject_point3d"
version="1.2">
<doc xml:space="preserve">Unprojects the given @point using the @projection matrix and
a @modelview matrix.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="projection" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t for the projection matrix</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="modelview" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t for the modelview matrix; this is
the inverse of the modelview used when projecting the point</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t with the coordinates of the point</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the unprojected
point</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="untransform_bounds"
c:identifier="graphene_matrix_untransform_bounds"
version="1.0">
<doc xml:space="preserve">Undoes the transformation on the points of a #graphene_rect_t
using the given matrix, within the given rectangular @bounds.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="bounds" transfer-ownership="none">
<doc xml:space="preserve">the bounds of the transformation</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
untransformed rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="untransform_point"
c:identifier="graphene_matrix_untransform_point"
version="1.0">
<doc xml:space="preserve">Undoes the transformation of a #graphene_point_t using the
given matrix, within the given rectangular @bounds.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the point was successfully untransformed</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="bounds" transfer-ownership="none">
<doc xml:space="preserve">the bounds of the transformation</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
untransformed point</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
</record>
<constant name="PI" value="3.141593" c:type="GRAPHENE_PI">
<type name="gdouble" c:type="gdouble"/>
</constant>
<constant name="PI_2" value="1.570796" c:type="GRAPHENE_PI_2">
<type name="gdouble" c:type="gdouble"/>
</constant>
<record name="Plane"
c:type="graphene_plane_t"
version="1.2"
glib:type-name="GraphenePlane"
glib:get-type="graphene_plane_get_type"
c:symbol-prefix="plane">
<doc xml:space="preserve">A 2D plane that extends infinitely in a 3D volume.
The contents of the `graphene_plane_t` are private, and should not be
modified directly.</doc>
<field name="normal" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<field name="constant" readable="0" private="1">
<type name="gfloat" c:type="float"/>
</field>
<constructor name="alloc"
c:identifier="graphene_plane_alloc"
version="1.2">
<doc xml:space="preserve">Allocates a new #graphene_plane_t structure.
The contents of the returned structure are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_plane_t.
Use graphene_plane_free() to free the resources allocated by
this function</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</return-value>
</constructor>
<method name="distance"
c:identifier="graphene_plane_distance"
version="1.2">
<doc xml:space="preserve">Computes the distance of @point from a #graphene_plane_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the distance of the given #graphene_point3d_t from the plane</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</instance-parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_plane_equal" version="1.2">
<doc xml:space="preserve">Checks whether the two given #graphene_plane_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the given planes are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_plane_free" version="1.2">
<doc xml:space="preserve">Frees the resources allocated by graphene_plane_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_constant"
c:identifier="graphene_plane_get_constant"
version="1.2">
<doc xml:space="preserve">Retrieves the distance along the normal vector of the
given #graphene_plane_t from the origin.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the constant value of the plane</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_normal"
c:identifier="graphene_plane_get_normal"
version="1.2">
<doc xml:space="preserve">Retrieves the normal vector pointing towards the origin of the
given #graphene_plane_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</instance-parameter>
<parameter name="normal"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the normal vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_plane_init" version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_plane_t using the given @normal vector
and @constant values.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized plane</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_plane_t to initialize</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</instance-parameter>
<parameter name="normal"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a normal vector defining the plane pointing towards the origin</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="constant" transfer-ownership="none">
<doc xml:space="preserve">the negative distance from the origin to the plane along the
normal vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_plane"
c:identifier="graphene_plane_init_from_plane"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_plane_t using the normal
vector and constant of another #graphene_plane_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized plane</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_plane_t to initialize</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_point"
c:identifier="graphene_plane_init_from_point"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_plane_t using the given normal vector
and an arbitrary co-planar point.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized plane</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_plane_t to initialize</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</instance-parameter>
<parameter name="normal" transfer-ownership="none">
<doc xml:space="preserve">a normal vector defining the plane pointing towards the origin</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_points"
c:identifier="graphene_plane_init_from_points"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_plane_t using the 3 provided co-planar
points.
The winding order is counter-clockwise, and determines which direction
the normal vector will point.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized plane</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_plane_t to initialize</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</instance-parameter>
<parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="c" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec4"
c:identifier="graphene_plane_init_from_vec4"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_plane_t using the components of
the given #graphene_vec4_t vector.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized plane</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_plane_t to initialize</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t containing the normal vector in its first
three components, and the distance in its fourth component</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="negate" c:identifier="graphene_plane_negate" version="1.2">
<doc xml:space="preserve">Negates the normal vector and constant of a #graphene_plane_t, effectively
mirroring the plane across the origin.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the negated plane</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</parameter>
</parameters>
</method>
<method name="normalize"
c:identifier="graphene_plane_normalize"
version="1.2">
<doc xml:space="preserve">Normalizes the vector and constant of a #graphene_plane_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the normalized plane</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</parameter>
</parameters>
</method>
</record>
<record name="Point"
c:type="graphene_point_t"
version="1.0"
glib:type-name="GraphenePoint"
glib:get-type="graphene_point_get_type"
c:symbol-prefix="point">
<doc xml:space="preserve">A point with two coordinates.</doc>
<field name="x" writable="1">
<doc xml:space="preserve">the X coordinate of the point</doc>
<type name="gfloat" c:type="float"/>
</field>
<field name="y" writable="1">
<doc xml:space="preserve">the Y coordinate of the point</doc>
<type name="gfloat" c:type="float"/>
</field>
<constructor name="alloc"
c:identifier="graphene_point_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_point_t structure.
The coordinates of the returned point are (0, 0).
It's possible to chain this function with graphene_point_init()
or graphene_point_init_from_point(), e.g.:
|[<!-- language="C" -->
graphene_point_t *
point_new (float x, float y)
{
return graphene_point_init (graphene_point_alloc (), x, y);
}
graphene_point_t *
point_copy (const graphene_point_t *p)
{
return graphene_point_init_from_point (graphene_point_alloc (), p);
}
]|</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_point_t.
Use graphene_point_free() to free the resources allocated by
this function.</doc>
<type name="Point" c:type="graphene_point_t*"/>
</return-value>
</constructor>
<method name="distance"
c:identifier="graphene_point_distance"
version="1.0">
<doc xml:space="preserve">Computes the distance between @a and @b.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the distance between the two points</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="d_x"
direction="out"
caller-allocates="0"
transfer-ownership="full"
optional="1"
allow-none="1">
<doc xml:space="preserve">distance component on the X axis</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
<parameter name="d_y"
direction="out"
caller-allocates="0"
transfer-ownership="full"
optional="1"
allow-none="1">
<doc xml:space="preserve">distance component on the Y axis</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_point_equal" version="1.0">
<doc xml:space="preserve">Checks if the two points @a and @b point to the same
coordinates.
This function accounts for floating point fluctuations; if
you want to control the fuzziness of the match, you can use
graphene_point_near() instead.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the points have the same coordinates</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_point_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated by graphene_point_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_point_init" version="1.0">
<doc xml:space="preserve">Initializes @p to the given @x and @y coordinates.
It's safe to call this function multiple times.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized point</doc>
<type name="Point" c:type="graphene_point_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">the X coordinate</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">the Y coordinate</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_point"
c:identifier="graphene_point_init_from_point"
version="1.0">
<doc xml:space="preserve">Initializes @p with the same coordinates of @src.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized point</doc>
<type name="Point" c:type="graphene_point_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_point_t to use</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec2"
c:identifier="graphene_point_init_from_vec2"
version="1.4">
<doc xml:space="preserve">Initializes @p with the coordinates inside the given #graphene_vec2_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized point</doc>
<type name="Point" c:type="graphene_point_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_point_t to initialize</doc>
<type name="Point" c:type="graphene_point_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="interpolate"
c:identifier="graphene_point_interpolate"
version="1.0">
<doc xml:space="preserve">Linearly interpolates the coordinates of @a and @b using the
given @factor.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the linear interpolation factor</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the interpolated
point</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="near" c:identifier="graphene_point_near" version="1.0">
<doc xml:space="preserve">Checks whether the two points @a and @b are within
the threshold of @epsilon.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the distance is within @epsilon</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="epsilon" transfer-ownership="none">
<doc xml:space="preserve">threshold between the two points</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="to_vec2"
c:identifier="graphene_point_to_vec2"
version="1.4">
<doc xml:space="preserve">Stores the coordinates of the given #graphene_point_t into a
#graphene_vec2_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</instance-parameter>
<parameter name="v"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the vertex</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<function name="zero" c:identifier="graphene_point_zero" version="1.0">
<doc xml:space="preserve">Returns a point fixed at (0, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a fixed point</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</return-value>
</function>
</record>
<record name="Point3D"
c:type="graphene_point3d_t"
version="1.0"
glib:type-name="GraphenePoint3D"
glib:get-type="graphene_point3d_get_type"
c:symbol-prefix="point3d">
<doc xml:space="preserve">A point with three components: X, Y, and Z.</doc>
<field name="x" writable="1">
<doc xml:space="preserve">the X coordinate</doc>
<type name="gfloat" c:type="float"/>
</field>
<field name="y" writable="1">
<doc xml:space="preserve">the Y coordinate</doc>
<type name="gfloat" c:type="float"/>
</field>
<field name="z" writable="1">
<doc xml:space="preserve">the Z coordinate</doc>
<type name="gfloat" c:type="float"/>
</field>
<constructor name="alloc"
c:identifier="graphene_point3d_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a #graphene_point3d_t structure.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated structure.
Use graphene_point3d_free() to free the resources
allocated by this function.</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</return-value>
</constructor>
<method name="cross" c:identifier="graphene_point3d_cross" version="1.0">
<doc xml:space="preserve">Computes the cross product of the two given #graphene_point3d_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the cross
product</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="distance"
c:identifier="graphene_point3d_distance"
version="1.4">
<doc xml:space="preserve">Computes the distance between the two given #graphene_point3d_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the distance between two points</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="delta"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the distance
components on the X, Y, and Z axis</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="dot" c:identifier="graphene_point3d_dot" version="1.0">
<doc xml:space="preserve">Computes the dot product of the two given #graphene_point3d_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the dot product</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_point3d_equal" version="1.0">
<doc xml:space="preserve">Checks whether two given points are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the points are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_point3d_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated via graphene_point3d_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_point3d_init" version="1.0">
<doc xml:space="preserve">Initializes a #graphene_point3d_t with the given coordinates.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_point3d_t</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_point3d_t to initialize</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">the X coordinate of the point</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">the Y coordinate of the point</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z" transfer-ownership="none">
<doc xml:space="preserve">the Z coordinate of the point</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_point"
c:identifier="graphene_point3d_init_from_point"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_point3d_t using the coordinates of
another #graphene_point3d_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized point</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec3"
c:identifier="graphene_point3d_init_from_vec3"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_point3d_t using the components
of a #graphene_vec3_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_point3d_t</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</instance-parameter>
<parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="interpolate"
c:identifier="graphene_point3d_interpolate"
version="1.0">
<doc xml:space="preserve">Linearly interpolates each component of @a and @b using the
provided @factor, and places the result in @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the interpolation factor</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">the return location for the
interpolated #graphene_point3d_t</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="length"
c:identifier="graphene_point3d_length"
version="1.0">
<doc xml:space="preserve">Computes the length of the vector represented by the
coordinates of the given #graphene_point3d_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the length of the vector represented by the point</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="near" c:identifier="graphene_point3d_near" version="1.0">
<doc xml:space="preserve">Checks whether the two points are near each other, within
an @epsilon factor.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the points are near each other</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="epsilon" transfer-ownership="none">
<doc xml:space="preserve">fuzzyness factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="normalize"
c:identifier="graphene_point3d_normalize"
version="1.0">
<doc xml:space="preserve">Computes the normalization of the vector represented by the
coordinates of the given #graphene_point3d_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the normalized
#graphene_point3d_t</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="normalize_viewport"
c:identifier="graphene_point3d_normalize_viewport"
version="1.4">
<doc xml:space="preserve">Normalizes the coordinates of a #graphene_point3d_t using the
given viewport and clipping planes.
The coordinates of the resulting #graphene_point3d_t will be
in the [ -1, 1 ] range.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="viewport" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t representing a viewport</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="z_near" transfer-ownership="none">
<doc xml:space="preserve">the coordinate of the near clipping plane, or 0 for
the default near clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z_far" transfer-ownership="none">
<doc xml:space="preserve">the coordinate of the far clipping plane, or 1 for the
default far clipping plane</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">the return location for the
normalized #graphene_point3d_t</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="scale" c:identifier="graphene_point3d_scale" version="1.0">
<doc xml:space="preserve">Scales the coordinates of the given #graphene_point3d_t by
the given @factor.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the scaling factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the scaled point</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="to_vec3"
c:identifier="graphene_point3d_to_vec3"
version="1.0">
<doc xml:space="preserve">Stores the coordinates of a #graphene_point3d_t into a
#graphene_vec3_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</instance-parameter>
<parameter name="v"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<function name="zero" c:identifier="graphene_point3d_zero" version="1.0">
<doc xml:space="preserve">Retrieves a constant point with all three coordinates set to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a zero point</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</return-value>
</function>
</record>
<record name="Quad"
c:type="graphene_quad_t"
version="1.0"
glib:type-name="GrapheneQuad"
glib:get-type="graphene_quad_get_type"
c:symbol-prefix="quad">
<doc xml:space="preserve">A 4 vertex quadrilateral, as represented by four #graphene_point_t.
The contents of a #graphene_quad_t are private and should never be
accessed directly.</doc>
<field name="points" readable="0" private="1">
<array zero-terminated="0" c:type="graphene_point_t" fixed-size="4">
<type name="Point" c:type="graphene_point_t"/>
</array>
</field>
<constructor name="alloc"
c:identifier="graphene_quad_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_quad_t instance.
The contents of the returned instance are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly created #graphene_quad_t instance</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</return-value>
</constructor>
<method name="bounds" c:identifier="graphene_quad_bounds" version="1.0">
<doc xml:space="preserve">Computes the bounding rectangle of @q and places it into @r.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quad_t</doc>
<type name="Quad" c:type="const graphene_quad_t*"/>
</instance-parameter>
<parameter name="r"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="contains"
c:identifier="graphene_quad_contains"
version="1.0">
<doc xml:space="preserve">Checks if the given #graphene_quad_t contains the given #graphene_point_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the point is inside the #graphene_quad_t</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quad_t</doc>
<type name="Quad" c:type="const graphene_quad_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_quad_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated by graphene_quad_alloc()</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quad_t</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_point"
c:identifier="graphene_quad_get_point"
version="1.0">
<doc xml:space="preserve">Retrieves the point of a #graphene_quad_t at the given index.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quad_t</doc>
<type name="Quad" c:type="const graphene_quad_t*"/>
</instance-parameter>
<parameter name="index_" transfer-ownership="none">
<doc xml:space="preserve">the index of the point to retrieve</doc>
<type name="guint" c:type="unsigned int"/>
</parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_quad_init" version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quad_t with the given points.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_quad_t</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_quad_t to initialize</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</instance-parameter>
<parameter name="p1" transfer-ownership="none">
<doc xml:space="preserve">the first point of the quadrilateral</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="p2" transfer-ownership="none">
<doc xml:space="preserve">the second point of the quadrilateral</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="p3" transfer-ownership="none">
<doc xml:space="preserve">the third point of the quadrilateral</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="p4" transfer-ownership="none">
<doc xml:space="preserve">the fourth point of the quadrilateral</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_points"
c:identifier="graphene_quad_init_from_points"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_quad_t using an array of points.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_quad_t</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_quad_t to initialize</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</instance-parameter>
<parameter name="points" transfer-ownership="none">
<doc xml:space="preserve">an array of 4 #graphene_point_t</doc>
<array zero-terminated="0"
c:type="graphene_point_t"
fixed-size="4">
<type name="Point" c:type="graphene_point_t"/>
</array>
</parameter>
</parameters>
</method>
<method name="init_from_rect"
c:identifier="graphene_quad_init_from_rect"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quad_t using the four corners of the
given #graphene_rect_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_quad_t</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_quad_t to initialize</doc>
<type name="Quad" c:type="graphene_quad_t*"/>
</instance-parameter>
<parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
</parameters>
</method>
</record>
<record name="Quaternion"
c:type="graphene_quaternion_t"
version="1.0"
glib:type-name="GrapheneQuaternion"
glib:get-type="graphene_quaternion_get_type"
c:symbol-prefix="quaternion">
<doc xml:space="preserve">A quaternion.
The contents of the #graphene_quaternion_t structure are private
and should never be accessed directly.</doc>
<field name="x" readable="0" private="1">
<type name="gfloat" c:type="float"/>
</field>
<field name="y" readable="0" private="1">
<type name="gfloat" c:type="float"/>
</field>
<field name="z" readable="0" private="1">
<type name="gfloat" c:type="float"/>
</field>
<field name="w" readable="0" private="1">
<type name="gfloat" c:type="float"/>
</field>
<constructor name="alloc"
c:identifier="graphene_quaternion_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_quaternion_t.
The contents of the returned value are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
</constructor>
<method name="dot" c:identifier="graphene_quaternion_dot" version="1.0">
<doc xml:space="preserve">Computes the dot product of two #graphene_quaternion_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the dot products</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</parameter>
</parameters>
</method>
<method name="equal"
c:identifier="graphene_quaternion_equal"
version="1.0">
<doc xml:space="preserve">Checks whether the given quaternions are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the quaternions are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</parameter>
</parameters>
</method>
<method name="free"
c:identifier="graphene_quaternion_free"
version="1.0">
<doc xml:space="preserve">Releases the resources allocated by graphene_quaternion_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init"
c:identifier="graphene_quaternion_init"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t using the given four values.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">the first component of the quaternion</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">the second component of the quaternion</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z" transfer-ownership="none">
<doc xml:space="preserve">the third component of the quaternion</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="w" transfer-ownership="none">
<doc xml:space="preserve">the fourth component of the quaternion</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_angle_vec3"
c:identifier="graphene_quaternion_init_from_angle_vec3"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t using an @angle on a
specific @axis.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="angle" transfer-ownership="none">
<doc xml:space="preserve">the rotation on a given axis, in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="axis" transfer-ownership="none">
<doc xml:space="preserve">the axis of rotation, expressed as a vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_angles"
c:identifier="graphene_quaternion_init_from_angles"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t using the values of
the [Euler angles](http://en.wikipedia.org/wiki/Euler_angles)
on each axis.
See also: graphene_quaternion_init_from_euler()</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="deg_x" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the X axis (yaw), in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="deg_y" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the Y axis (pitch), in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="deg_z" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the Z axis (roll), in degrees</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_euler"
c:identifier="graphene_quaternion_init_from_euler"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t using the given #graphene_euler_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_quaternion_t to initialize</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="e" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_euler_t</doc>
<type name="Euler" c:type="const graphene_euler_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_matrix"
c:identifier="graphene_quaternion_init_from_matrix"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t using the rotation components
of a transformation matrix.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="m" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="const graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_quaternion"
c:identifier="graphene_quaternion_init_from_quaternion"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t with the values from @src.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_radians"
c:identifier="graphene_quaternion_init_from_radians"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t using the values of
the [Euler angles](http://en.wikipedia.org/wiki/Euler_angles)
on each axis.
See also: graphene_quaternion_init_from_euler()</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="rad_x" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the X axis (yaw), in radians</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="rad_y" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the Y axis (pitch), in radians</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="rad_z" transfer-ownership="none">
<doc xml:space="preserve">rotation angle on the Z axis (roll), in radians</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec4"
c:identifier="graphene_quaternion_init_from_vec4"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t with the values from @src.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="init_identity"
c:identifier="graphene_quaternion_init_identity"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_quaternion_t using the identity
transformation.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="invert"
c:identifier="graphene_quaternion_invert"
version="1.0">
<doc xml:space="preserve">Inverts a #graphene_quaternion_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the inverted
quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</parameter>
</parameters>
</method>
<method name="normalize"
c:identifier="graphene_quaternion_normalize"
version="1.0">
<doc xml:space="preserve">Normalizes a #graphene_quaternion_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the normalized
quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</parameter>
</parameters>
</method>
<method name="slerp"
c:identifier="graphene_quaternion_slerp"
version="1.0">
<doc xml:space="preserve">Interpolates between the two given quaternions using a spherical
linear interpolation, or [SLERP](http://en.wikipedia.org/wiki/Slerp),
using the given interpolation @factor.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the linear interpolation factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the interpolated
quaternion</doc>
<type name="Quaternion" c:type="graphene_quaternion_t*"/>
</parameter>
</parameters>
</method>
<method name="to_angle_vec3"
c:identifier="graphene_quaternion_to_angle_vec3"
version="1.0">
<doc xml:space="preserve">Converts a quaternion into an @angle, @axis pair.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="angle"
direction="out"
caller-allocates="0"
transfer-ownership="full">
<doc xml:space="preserve">return location for the angle, in degrees</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
<parameter name="axis"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the rotation axis</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="to_angles"
c:identifier="graphene_quaternion_to_angles"
version="1.2">
<doc xml:space="preserve">Converts a #graphene_quaternion_t to its corresponding rotations
on the [Euler angles](http://en.wikipedia.org/wiki/Euler_angles)
on each axis.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="deg_x"
direction="out"
caller-allocates="0"
transfer-ownership="full"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the rotation angle on
the X axis (yaw), in degrees</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
<parameter name="deg_y"
direction="out"
caller-allocates="0"
transfer-ownership="full"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the rotation angle on
the Y axis (pitch), in degrees</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
<parameter name="deg_z"
direction="out"
caller-allocates="0"
transfer-ownership="full"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the rotation angle on
the Z axis (roll), in degrees</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
</parameters>
</method>
<method name="to_matrix"
c:identifier="graphene_quaternion_to_matrix"
version="1.0">
<doc xml:space="preserve">Converts a quaternion into a transformation matrix expressing
the rotation defined by the #graphene_quaternion_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="m"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">a #graphene_matrix_t</doc>
<type name="Matrix" c:type="graphene_matrix_t*"/>
</parameter>
</parameters>
</method>
<method name="to_radians"
c:identifier="graphene_quaternion_to_radians"
version="1.2">
<doc xml:space="preserve">Converts a #graphene_quaternion_t to its corresponding rotations
on the [Euler angles](http://en.wikipedia.org/wiki/Euler_angles)
on each axis.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="rad_x"
direction="out"
caller-allocates="0"
transfer-ownership="full"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the rotation angle on
the X axis (yaw), in radians</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
<parameter name="rad_y"
direction="out"
caller-allocates="0"
transfer-ownership="full"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the rotation angle on
the Y axis (pitch), in radians</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
<parameter name="rad_z"
direction="out"
caller-allocates="0"
transfer-ownership="full"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the rotation angle on
the Z axis (roll), in radians</doc>
<type name="gfloat" c:type="float*"/>
</parameter>
</parameters>
</method>
<method name="to_vec4"
c:identifier="graphene_quaternion_to_vec4"
version="1.0">
<doc xml:space="preserve">Copies the components of a #graphene_quaternion_t into a
#graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="q" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_quaternion_t</doc>
<type name="Quaternion" c:type="const graphene_quaternion_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a
#graphene_vec4_t</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
</record>
<record name="Ray"
c:type="graphene_ray_t"
version="1.4"
glib:type-name="GrapheneRay"
glib:get-type="graphene_ray_get_type"
c:symbol-prefix="ray">
<doc xml:space="preserve">A ray emitted from an origin in a given direction.
The contents of the `graphene_ray_t` structure are private, and should not
be modified directly.</doc>
<field name="origin" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<field name="direction" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<constructor name="alloc"
c:identifier="graphene_ray_alloc"
version="1.4">
<doc xml:space="preserve">Allocates a new #graphene_ray_t structure.
The contents of the returned structure are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_ray_t.
Use graphene_ray_free() to free the resources allocated by
this function</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</return-value>
</constructor>
<method name="equal" c:identifier="graphene_ray_equal" version="1.4">
<doc xml:space="preserve">Checks whether the two given #graphene_ray_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the given rays are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_ray_free" version="1.4">
<doc xml:space="preserve">Frees the resources allocated by graphene_ray_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_closest_point_to_point"
c:identifier="graphene_ray_get_closest_point_to_point"
version="1.4">
<doc xml:space="preserve">Computes the point on the given #graphene_ray_t that is closest to the
given point @p.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the closest point3d</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_direction"
c:identifier="graphene_ray_get_direction"
version="1.4">
<doc xml:space="preserve">Retrieves the direction of the given #graphene_ray_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</instance-parameter>
<parameter name="direction"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the direction</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="get_distance_to_plane"
c:identifier="graphene_ray_get_distance_to_plane"
version="1.4">
<doc xml:space="preserve">Computes the distance of the origin of the given #graphene_ray_t from the
given plane.
If the ray does not intersect the plane, this function returns `INFINITY`.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the distance of the origin of the ray from the plane</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_plane_t</doc>
<type name="Plane" c:type="const graphene_plane_t*"/>
</parameter>
</parameters>
</method>
<method name="get_distance_to_point"
c:identifier="graphene_ray_get_distance_to_point"
version="1.4">
<doc xml:space="preserve">Computes the distance from the origin of the given ray to the given point.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the distance of the point</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_origin"
c:identifier="graphene_ray_get_origin"
version="1.4">
<doc xml:space="preserve">Retrieves the origin of the given #graphene_ray_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</instance-parameter>
<parameter name="origin"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the origin</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_position_at"
c:identifier="graphene_ray_get_position_at"
version="1.4">
<doc xml:space="preserve">Retrieves the coordinates of a point at the distance @t along the
given #graphene_ray_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</instance-parameter>
<parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">the distance along the ray</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="position"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the position</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_ray_init" version="1.4">
<doc xml:space="preserve">Initializes the given #graphene_ray_t using the given @origin
and @direction values.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized ray</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_ray_t to initialize</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</instance-parameter>
<parameter name="origin"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the origin of the ray</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="direction"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the direction vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_ray"
c:identifier="graphene_ray_init_from_ray"
version="1.4">
<doc xml:space="preserve">Initializes the given #graphene_ray_t using the origin and direction
values of another #graphene_ray_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized ray</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_ray_t to initialize</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_ray_t</doc>
<type name="Ray" c:type="const graphene_ray_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec3"
c:identifier="graphene_ray_init_from_vec3"
version="1.4">
<doc xml:space="preserve">Initializes the given #graphene_ray_t using the given vectors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized ray</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_ray_t to initialize</doc>
<type name="Ray" c:type="graphene_ray_t*"/>
</instance-parameter>
<parameter name="origin"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="direction"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
</record>
<record name="Rect"
c:type="graphene_rect_t"
version="1.0"
glib:type-name="GrapheneRect"
glib:get-type="graphene_rect_get_type"
c:symbol-prefix="rect">
<doc xml:space="preserve">The location and size of a rectangle region.
The width and height of a #graphene_rect_t can be negative; for instance,
a #graphene_rect_t with an origin of [ 0, 0 ] and a size of [ 10, 10 ] is
equivalent to a #graphene_rect_t with an origin of [ 10, 10 ] and a size
of [ -10, -10 ].
Application code can normalize rectangles using graphene_rect_normalize();
this function will ensure that the width and height of a rectangle are
positive values. All functions taking a #graphene_rect_t as an argument
will internally operate on a normalized copy; all functions returning a
#graphene_rect_t will always return a normalized rectangle.</doc>
<field name="origin" writable="1">
<doc xml:space="preserve">the coordinates of the origin of the rectangle</doc>
<type name="Point" c:type="graphene_point_t"/>
</field>
<field name="size" writable="1">
<doc xml:space="preserve">the size of the rectangle</doc>
<type name="Size" c:type="graphene_size_t"/>
</field>
<method name="contains_point"
c:identifier="graphene_rect_contains_point"
version="1.0">
<doc xml:space="preserve">Checks whether a #graphene_rect_t contains the given coordinates.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the rectangle contains the point</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="contains_rect"
c:identifier="graphene_rect_contains_rect"
version="1.0">
<doc xml:space="preserve">Checks whether a #graphene_rect_t fully contains the given
rectangle.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the rectangle @a fully contains @b</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_rect_equal" version="1.0">
<doc xml:space="preserve">Checks whether the two given rectangle are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the rectangles are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="expand" c:identifier="graphene_rect_expand" version="1.4">
<doc xml:space="preserve">Expands a #graphene_rect_t to contain the given #graphene_point_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point_t</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the expanded rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_rect_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated by graphene_rect_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_bottom_left"
c:identifier="graphene_rect_get_bottom_left"
version="1.0">
<doc xml:space="preserve">Retrieves the coordinates of the bottom-left corner of the given rectangle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="p"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="get_bottom_right"
c:identifier="graphene_rect_get_bottom_right"
version="1.0">
<doc xml:space="preserve">Retrieves the coordinates of the bottom-right corner of the given rectangle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="p"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="get_center"
c:identifier="graphene_rect_get_center"
version="1.0">
<doc xml:space="preserve">Retrieves the coordinates of the center of the given rectangle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="p"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="get_height"
c:identifier="graphene_rect_get_height"
version="1.0">
<doc xml:space="preserve">Retrieves the normalized height of the given rectangle.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the normalized height of the rectangle</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_top_left"
c:identifier="graphene_rect_get_top_left"
version="1.0">
<doc xml:space="preserve">Retrieves the coordinates of the top-left corner of the given rectangle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="p"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="get_top_right"
c:identifier="graphene_rect_get_top_right"
version="1.0">
<doc xml:space="preserve">Retrieves the coordinates of the top-right corner of the given rectangle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="p"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_point_t</doc>
<type name="Point" c:type="graphene_point_t*"/>
</parameter>
</parameters>
</method>
<method name="get_vertices"
c:identifier="graphene_rect_get_vertices"
version="1.4">
<doc xml:space="preserve">Computes the four vertices of a #graphene_rect_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="vertices"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for an array
of 4 #graphene_vec2_t</doc>
<array zero-terminated="0" c:type="graphene_vec2_t" fixed-size="4">
<type name="Vec2" c:type="graphene_vec2_t"/>
</array>
</parameter>
</parameters>
</method>
<method name="get_width"
c:identifier="graphene_rect_get_width"
version="1.0">
<doc xml:space="preserve">Retrieves the normalized width of the given rectangle.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the normalized width of the rectangle</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_x" c:identifier="graphene_rect_get_x" version="1.0">
<doc xml:space="preserve">Retrieves the normalized X coordinate of the origin of the given
rectangle.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the normalized X coordinate of the rectangle</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_y" c:identifier="graphene_rect_get_y" version="1.0">
<doc xml:space="preserve">Retrieves the normalized Y coordinate of the origin of the given
rectangle.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the normalized Y coordinate of the rectangle</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_rect_init" version="1.0">
<doc xml:space="preserve">Initializes the given #graphene_rect_t with the given values.
This function will implicitly normalize the #graphene_rect_t
before returning.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">the X coordinate of the @graphene_rect_t.origin</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">the Y coordinate of the @graphene_rect_t.origin</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="width" transfer-ownership="none">
<doc xml:space="preserve">the width of the @graphene_rect_t.size</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="height" transfer-ownership="none">
<doc xml:space="preserve">the height of the @graphene_rect_t.size</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_rect"
c:identifier="graphene_rect_init_from_rect"
version="1.0">
<doc xml:space="preserve">Initializes @r using the given @src rectangle.
This function will implicitly normalize the #graphene_rect_t
before returning.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="inset" c:identifier="graphene_rect_inset" version="1.0">
<doc xml:space="preserve">Changes the given rectangle to be smaller, or larger depending on the
given inset parameters.
To create an inset rectangle, use positive @d_x or @d_y values; to
create a larger, encompassing rectangle, use negative @d_x or @d_y
values.
The origin of the rectangle is offset by @d_x and @d_y, while the size
is adjusted by `(2 * @d_x, 2 * @d_y)`. If @d_x and @d_y are positive
values, the size of the rectangle is decreased; if @d_x and @d_y are
negative values, the size of the rectangle is increased.
If the size of the resulting inset rectangle has a negative width or
height then the size will be set to zero.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the inset rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</instance-parameter>
<parameter name="d_x" transfer-ownership="none">
<doc xml:space="preserve">the horizontal inset</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="d_y" transfer-ownership="none">
<doc xml:space="preserve">the vertical inset</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="inset_r"
c:identifier="graphene_rect_inset_r"
version="1.4">
<doc xml:space="preserve">Changes the given rectangle to be smaller, or larger depending on the
given inset parameters.
To create an inset rectangle, use positive @d_x or @d_y values; to
create a larger, encompassing rectangle, use negative @d_x or @d_y
values.
The origin of the rectangle is offset by @d_x and @d_y, while the size
is adjusted by `(2 * @d_x, 2 * @d_y)`. If @d_x and @d_y are positive
values, the size of the rectangle is decreased; if @d_x and @d_y are
negative values, the size of the rectangle is increased.
If the size of the resulting inset rectangle has a negative width or
height then the size will be set to zero.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="d_x" transfer-ownership="none">
<doc xml:space="preserve">the horizontal inset</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="d_y" transfer-ownership="none">
<doc xml:space="preserve">the vertical inset</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the inset rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="interpolate"
c:identifier="graphene_rect_interpolate"
version="1.0">
<doc xml:space="preserve">Linearly interpolates the origin and size of the two given
rectangles.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the linear interpolation factor</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
interpolated rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="intersection"
c:identifier="graphene_rect_intersection"
version="1.0">
<doc xml:space="preserve">Computes the intersection of the two given rectangles.
The intersection in the image above is the blue outline.
If the two rectangles do not intersect, @res will contain
a degenerate rectangle with origin in (0, 0) and a size of 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the two rectangles intersect</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for
a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="normalize"
c:identifier="graphene_rect_normalize"
version="1.0">
<doc xml:space="preserve">Normalizes the passed rectangle.
This function ensures that the size of the rectangle is made of
positive values, and that the origin is the top-left corner of
the rectangle.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the normalized rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="normalize_r"
c:identifier="graphene_rect_normalize_r"
version="1.4">
<doc xml:space="preserve">Normalizes the passed rectangle.
This function ensures that the size of the rectangle is made of
positive values, and that the origin is in the top-left corner
of the rectangle.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">the return location for the
normalized rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="offset" c:identifier="graphene_rect_offset" version="1.0">
<doc xml:space="preserve">Offsets the origin by @d_x and @d_y.
The size of the rectangle is unchanged.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the offset rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</instance-parameter>
<parameter name="d_x" transfer-ownership="none">
<doc xml:space="preserve">the horizontal offset</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="d_y" transfer-ownership="none">
<doc xml:space="preserve">the vertical offset</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="offset_r"
c:identifier="graphene_rect_offset_r"
version="1.4">
<doc xml:space="preserve">Offsets the origin of the given rectangle by @d_x and @d_y.
The size of the rectangle is left unchanged.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="d_x" transfer-ownership="none">
<doc xml:space="preserve">the horizontal offset</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="d_y" transfer-ownership="none">
<doc xml:space="preserve">the vertical offset</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the offset
rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="round" c:identifier="graphene_rect_round" version="1.4">
<doc xml:space="preserve">Rounds the origin and size of the given rectangle to
their nearest integer values; the rounding is guaranteed
to be large enough to contain the original rectangle.
This function is the equivalent of calling `floor` on
the coordinates of the origin, and `ceil` on the size.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
rounded rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<method name="round_to_pixel"
c:identifier="graphene_rect_round_to_pixel"
version="1.0"
deprecated="1"
deprecated-version="1.4">
<doc xml:space="preserve">Rounds the origin and the size of the given rectangle to
their nearest integer values; the rounding is guaranteed
to be large enough to contain the original rectangle.</doc>
<doc-deprecated xml:space="preserve">Use graphene_rect_round() instead</doc-deprecated>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the pixel-aligned rectangle.</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</return-value>
<parameters>
<instance-parameter name="r" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="union" c:identifier="graphene_rect_union" version="1.0">
<doc xml:space="preserve">Computes the union of the two given rectangles.
The union in the image above is the blue outline.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_rect_t</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_rect_t</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</parameter>
</parameters>
</method>
<function name="alloc" c:identifier="graphene_rect_alloc" version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_rect_t.
The contents of the returned rectangle are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</return-value>
</function>
<function name="zero" c:identifier="graphene_rect_zero" version="1.4">
<doc xml:space="preserve">Returns a degenerate rectangle with origin fixed at (0, 0) and
a size of 0, 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a fixed rectangle</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</return-value>
</function>
</record>
<record name="Size"
c:type="graphene_size_t"
version="1.0"
glib:type-name="GrapheneSize"
glib:get-type="graphene_size_get_type"
c:symbol-prefix="size">
<doc xml:space="preserve">A size.</doc>
<field name="width" writable="1">
<doc xml:space="preserve">the width</doc>
<type name="gfloat" c:type="float"/>
</field>
<field name="height" writable="1">
<doc xml:space="preserve">the height</doc>
<type name="gfloat" c:type="float"/>
</field>
<constructor name="alloc"
c:identifier="graphene_size_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_size_t.
The contents of the returned value are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_size_t</doc>
<type name="Size" c:type="graphene_size_t*"/>
</return-value>
</constructor>
<method name="equal" c:identifier="graphene_size_equal" version="1.0">
<doc xml:space="preserve">Checks whether the two give #graphene_size_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the sizes are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="const graphene_size_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="const graphene_size_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_size_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated by graphene_size_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="graphene_size_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_size_init" version="1.0">
<doc xml:space="preserve">Initializes a #graphene_size_t using the given @width and @height.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_size_t</doc>
<type name="Size" c:type="graphene_size_t*"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="graphene_size_t*"/>
</instance-parameter>
<parameter name="width" transfer-ownership="none">
<doc xml:space="preserve">the width</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="height" transfer-ownership="none">
<doc xml:space="preserve">the height</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_size"
c:identifier="graphene_size_init_from_size"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_size_t using the width and height of
the given @src.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_size_t</doc>
<type name="Size" c:type="graphene_size_t*"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="graphene_size_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="const graphene_size_t*"/>
</parameter>
</parameters>
</method>
<method name="interpolate"
c:identifier="graphene_size_interpolate"
version="1.0">
<doc xml:space="preserve">Linearly interpolates the two given #graphene_size_t using the given
interpolation @factor.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="const graphene_size_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="const graphene_size_t*"/>
</parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the linear interpolation factor</doc>
<type name="gdouble" c:type="double"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the interpolated size</doc>
<type name="Size" c:type="graphene_size_t*"/>
</parameter>
</parameters>
</method>
<method name="scale" c:identifier="graphene_size_scale" version="1.0">
<doc xml:space="preserve">Scales the components of a #graphene_size_t using the given @factor.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_size_t</doc>
<type name="Size" c:type="const graphene_size_t*"/>
</instance-parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the scaling factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the scaled size</doc>
<type name="Size" c:type="graphene_size_t*"/>
</parameter>
</parameters>
</method>
<function name="zero" c:identifier="graphene_size_zero" version="1.0">
<doc xml:space="preserve">A constant pointer to a zero #graphene_size_t, useful for
equality checks and interpolations.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant size</doc>
<type name="Size" c:type="const graphene_size_t*"/>
</return-value>
</function>
</record>
<record name="Sphere"
c:type="graphene_sphere_t"
version="1.2"
glib:type-name="GrapheneSphere"
glib:get-type="graphene_sphere_get_type"
c:symbol-prefix="sphere">
<doc xml:space="preserve">A sphere, represented by its center and radius.</doc>
<field name="center" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<field name="radius" readable="0" private="1">
<type name="gfloat" c:type="float"/>
</field>
<constructor name="alloc"
c:identifier="graphene_sphere_alloc"
version="1.2">
<doc xml:space="preserve">Allocates a new #graphene_sphere_t.
The contents of the newly allocated structure are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_sphere_t. Use
graphene_sphere_free() to free the resources allocated by this function</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</return-value>
</constructor>
<method name="contains_point"
c:identifier="graphene_sphere_contains_point"
version="1.2">
<doc xml:space="preserve">Checks whether the given @point is contained in the volume
of a #graphene_sphere_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the sphere contains the point</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</instance-parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="distance"
c:identifier="graphene_sphere_distance"
version="1.2">
<doc xml:space="preserve">Computes the distance of the given @point from the surface of
a #graphene_sphere_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the distance of the point</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</instance-parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_sphere_equal" version="1.2">
<doc xml:space="preserve">Checks whether two #graphene_sphere_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the spheres are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_sphere_free" version="1.2">
<doc xml:space="preserve">Frees the resources allocated by graphene_sphere_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_bounding_box"
c:identifier="graphene_sphere_get_bounding_box"
version="1.2">
<doc xml:space="preserve">Computes the bounding box capable of containing the
given #graphene_sphere_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</instance-parameter>
<parameter name="box"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the bounding box</doc>
<type name="Box" c:type="graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="get_center"
c:identifier="graphene_sphere_get_center"
version="1.2">
<doc xml:space="preserve">Retrieves the coordinates of the center of a #graphene_sphere_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</instance-parameter>
<parameter name="center"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the coordinates of
the center</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_radius"
c:identifier="graphene_sphere_get_radius"
version="1.2">
<doc xml:space="preserve">Retrieves the radius of a #graphene_sphere_t.</doc>
<return-value transfer-ownership="none">
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_sphere_init" version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_sphere_t with the given @center and @radius.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_sphere_t</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_sphere_t to initialize</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</instance-parameter>
<parameter name="center"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the coordinates of the center of the sphere, or %NULL
for a center in (0, 0, 0)</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="radius" transfer-ownership="none">
<doc xml:space="preserve">the radius of the sphere</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_points"
c:identifier="graphene_sphere_init_from_points"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_sphere_t using the given array
of 3D coordinates so that the sphere includes them.
The center of the sphere can either be specified, or will be center
of the 3D volume that encompasses all @points.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_sphere_t</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_sphere_t to initialize</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</instance-parameter>
<parameter name="n_points" transfer-ownership="none">
<doc xml:space="preserve">the number of #graphene_point3d_t in the @points array</doc>
<type name="guint" c:type="unsigned int"/>
</parameter>
<parameter name="points" transfer-ownership="none">
<doc xml:space="preserve">an array of #graphene_point3d_t</doc>
<array length="0" zero-terminated="0" c:type="graphene_point3d_t*">
<type name="Point3D" c:type="graphene_point3d_t"/>
</array>
</parameter>
<parameter name="center"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the center of the sphere</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_vectors"
c:identifier="graphene_sphere_init_from_vectors"
version="1.2">
<doc xml:space="preserve">Initializes the given #graphene_sphere_t using the given array
of 3D coordinates so that the sphere includes them.
The center of the sphere can either be specified, or will be center
of the 3D volume that encompasses all @vectors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_sphere_t</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_sphere_t to initialize</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</instance-parameter>
<parameter name="n_vectors" transfer-ownership="none">
<doc xml:space="preserve">the number of #graphene_vec3_t in the @vectors array</doc>
<type name="guint" c:type="unsigned int"/>
</parameter>
<parameter name="vectors" transfer-ownership="none">
<doc xml:space="preserve">an array of #graphene_vec3_t</doc>
<array length="0" zero-terminated="0" c:type="graphene_vec3_t*">
<type name="Vec3" c:type="graphene_vec3_t"/>
</array>
</parameter>
<parameter name="center"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">the center of the sphere</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="is_empty"
c:identifier="graphene_sphere_is_empty"
version="1.2">
<doc xml:space="preserve">Checks whether the sphere has a zero radius.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the sphere is empty</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="translate"
c:identifier="graphene_sphere_translate"
version="1.2">
<doc xml:space="preserve">Translates the center of the given #graphene_sphere_t using the @point
coordinates as the delta of the translation.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="s" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_sphere_t</doc>
<type name="Sphere" c:type="const graphene_sphere_t*"/>
</instance-parameter>
<parameter name="point" transfer-ownership="none">
<doc xml:space="preserve">the coordinates of the translation</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the translated sphere</doc>
<type name="Sphere" c:type="graphene_sphere_t*"/>
</parameter>
</parameters>
</method>
</record>
<record name="Triangle"
c:type="graphene_triangle_t"
version="1.2"
glib:type-name="GrapheneTriangle"
glib:get-type="graphene_triangle_get_type"
c:symbol-prefix="triangle">
<doc xml:space="preserve">A triangle.</doc>
<field name="a" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<field name="b" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<field name="c" readable="0" private="1">
<type name="Vec3" c:type="graphene_vec3_t"/>
</field>
<constructor name="alloc"
c:identifier="graphene_triangle_alloc"
version="1.2">
<doc xml:space="preserve">Allocates a new #graphene_triangle_t.
The contents of the returned structure are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_triangle_t
structure. Use graphene_triangle_free() to free the resources
allocated by this function</doc>
<type name="Triangle" c:type="graphene_triangle_t*"/>
</return-value>
</constructor>
<method name="contains_point"
c:identifier="graphene_triangle_contains_point"
version="1.2">
<doc xml:space="preserve">Checks whether the given triangle @t contains the point @p.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the point is inside the triangle</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="p" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="equal"
c:identifier="graphene_triangle_equal"
version="1.2">
<doc xml:space="preserve">Checks whether the two given #graphene_triangle_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the triangles are equal</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_triangle_free" version="1.2">
<doc xml:space="preserve">Frees the resources allocated by graphene_triangle_alloc().</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="graphene_triangle_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_area"
c:identifier="graphene_triangle_get_area"
version="1.2">
<doc xml:space="preserve">Computes the area of the given #graphene_triangle_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the area of the triangle</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_barycoords"
c:identifier="graphene_triangle_get_barycoords"
version="1.2">
<doc xml:space="preserve">Computes the [barycentric coordinates](http://en.wikipedia.org/wiki/Barycentric_coordinate_system)
of the given point @p.
The point @p must lie on the same plane as the triangle @t; if the
point is not coplanar, the result of this function is undefined.
If we place the origin in the coordinates of the triangle's A point,
the barycentric coordinates are `u`, which is on the AC vector; and `v`
which is on the AB vector:
The returned #graphene_vec2_t contains the following values, in order:
- `res.x = u`
- `res.y = v`</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the barycentric coordinates are valid</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="p"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the vector
with the barycentric coordinates</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="get_bounding_box"
c:identifier="graphene_triangle_get_bounding_box"
version="1.2">
<doc xml:space="preserve">Computes the bounding box of the given #graphene_triangle_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the box</doc>
<type name="Box" c:type="graphene_box_t*"/>
</parameter>
</parameters>
</method>
<method name="get_midpoint"
c:identifier="graphene_triangle_get_midpoint"
version="1.2">
<doc xml:space="preserve">Computes the coordinates of the midpoint of the given #graphene_triangle_t.
The midpoint G is the [centroid](https://en.wikipedia.org/wiki/Centroid#Triangle_centroid)
of the triangle, i.e. the intersection of its medians.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the coordinates of
the midpoint</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_normal"
c:identifier="graphene_triangle_get_normal"
version="1.2">
<doc xml:space="preserve">Computes the normal vector of the given #graphene_triangle_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the normal vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="get_plane"
c:identifier="graphene_triangle_get_plane"
version="1.2">
<doc xml:space="preserve">Computes the plane based on the vertices of the given #graphene_triangle_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the plane</doc>
<type name="Plane" c:type="graphene_plane_t*"/>
</parameter>
</parameters>
</method>
<method name="get_points"
c:identifier="graphene_triangle_get_points"
version="1.2">
<doc xml:space="preserve">Retrieves the three vertices of the given #graphene_triangle_t and returns
their coordinates as #graphene_point3d_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="a"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the coordinates
of the first vertex</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
<parameter name="b"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the coordinates
of the second vertex</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
<parameter name="c"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the coordinates
of the third vertex</doc>
<type name="Point3D" c:type="graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="get_vertices"
c:identifier="graphene_triangle_get_vertices"
version="1.2">
<doc xml:space="preserve">Retrieves the three vertices of the given #graphene_triangle_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_triangle_t</doc>
<type name="Triangle" c:type="const graphene_triangle_t*"/>
</instance-parameter>
<parameter name="a"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the first vertex</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
<parameter name="b"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the second vertex</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
<parameter name="c"
direction="out"
caller-allocates="1"
transfer-ownership="none"
optional="1"
allow-none="1">
<doc xml:space="preserve">return location for the third vertex</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_point3d"
c:identifier="graphene_triangle_init_from_point3d"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_triangle_t using the three given 3D points.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_triangle_t</doc>
<type name="Triangle" c:type="graphene_triangle_t*"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_triangle_t to initialize</doc>
<type name="Triangle" c:type="graphene_triangle_t*"/>
</instance-parameter>
<parameter name="a"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="b"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
<parameter name="c"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_point3d_t</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec3"
c:identifier="graphene_triangle_init_from_vec3"
version="1.2">
<doc xml:space="preserve">Initializes a #graphene_triangle_t using the three given vectors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized #graphene_triangle_t</doc>
<type name="Triangle" c:type="graphene_triangle_t*"/>
</return-value>
<parameters>
<instance-parameter name="t" transfer-ownership="none">
<doc xml:space="preserve">the #graphene_triangle_t to initialize</doc>
<type name="Triangle" c:type="graphene_triangle_t*"/>
</instance-parameter>
<parameter name="a"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="b"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="c"
transfer-ownership="none"
nullable="1"
allow-none="1">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
</record>
<constant name="VEC2_LEN"
value="2"
c:type="GRAPHENE_VEC2_LEN"
version="1.0">
<doc xml:space="preserve">Evaluates to the number of components of a #graphene_vec2_t.</doc>
<type name="gint" c:type="gint"/>
</constant>
<constant name="VEC3_LEN"
value="3"
c:type="GRAPHENE_VEC3_LEN"
version="1.0">
<doc xml:space="preserve">Evaluates to the number of components of a #graphene_vec3_t.</doc>
<type name="gint" c:type="gint"/>
</constant>
<constant name="VEC4_LEN"
value="4"
c:type="GRAPHENE_VEC4_LEN"
version="1.0">
<doc xml:space="preserve">Evaluates to the number of components of a #graphene_vec4_t.</doc>
<type name="gint" c:type="gint"/>
</constant>
<record name="Vec2"
c:type="graphene_vec2_t"
glib:type-name="GrapheneVec2"
glib:get-type="graphene_vec2_get_type"
c:symbol-prefix="vec2">
<doc xml:space="preserve">A structure capable of holding a vector with two dimensions, x and y.
The contents of the #graphene_vec2_t structure are private and should
never be accessed directly.</doc>
<field name="value" introspectable="0" readable="0" private="1">
<type c:type="graphene_simd4f_t"/>
</field>
<constructor name="alloc"
c:identifier="graphene_vec2_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_vec2_t structure.
The contents of the returned structure are undefined.
Use graphene_vec2_init() to initialize the vector.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_vec2_t
structure. Use graphene_vec2_free() to free the resources allocated
by this function.</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</return-value>
</constructor>
<method name="add" c:identifier="graphene_vec2_add" version="1.0">
<doc xml:space="preserve">Adds each component of the two passed vectors and places
each result into the components of @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="divide" c:identifier="graphene_vec2_divide" version="1.0">
<doc xml:space="preserve">Divides each component of the first operand @a by the corresponding
component of the second operand @b, and places the results into the
vector @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="dot" c:identifier="graphene_vec2_dot" version="1.0">
<doc xml:space="preserve">Computes the dot product of the two given vectors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the dot product of the vectors</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_vec2_equal" version="1.2">
<doc xml:space="preserve">Checks whether the two given #graphene_vec2_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the two vectors are equal, and false otherwise</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="v1" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="v2" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_vec2_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated by @v</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_x" c:identifier="graphene_vec2_get_x" version="1.0">
<doc xml:space="preserve">Retrieves the X component of the #graphene_vec2_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the X component</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_y" c:identifier="graphene_vec2_get_y" version="1.0">
<doc xml:space="preserve">Retrieves the Y component of the #graphene_vec2_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the Y component</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_vec2_init" version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec2_t using the given values.
This function can be called multiple times.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">the X field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">the Y field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_float"
c:identifier="graphene_vec2_init_from_float"
version="1.0">
<doc xml:space="preserve">Initializes @v with the contents of the given array.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">an array of floating point values
with at least two elements</doc>
<array zero-terminated="0" c:type="float*" fixed-size="2">
<type name="gfloat" c:type="float"/>
</array>
</parameter>
</parameters>
</method>
<method name="init_from_vec2"
c:identifier="graphene_vec2_init_from_vec2"
version="1.0">
<doc xml:space="preserve">Copies the contents of @src into @v.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="length" c:identifier="graphene_vec2_length" version="1.0">
<doc xml:space="preserve">Computes the length of the given vector.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the length of the vector</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="max" c:identifier="graphene_vec2_max" version="1.0">
<doc xml:space="preserve">Compares the two given vectors and places the maximum
values of each component into @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">the resulting vector</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="min" c:identifier="graphene_vec2_min" version="1.0">
<doc xml:space="preserve">Compares the two given vectors and places the minimum
values of each component into @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">the resulting vector</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="multiply"
c:identifier="graphene_vec2_multiply"
version="1.0">
<doc xml:space="preserve">Multiplies each component of the two passed vectors and places
each result into the components of @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="near" c:identifier="graphene_vec2_near" version="1.2">
<doc xml:space="preserve">Compares the two given #graphene_vec2_t vectors and checks
whether their values are within the given @epsilon.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the two vectors are near each other</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="v1" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="v2" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
<parameter name="epsilon" transfer-ownership="none">
<doc xml:space="preserve">the threshold between the two vectors</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="negate" c:identifier="graphene_vec2_negate" version="1.2">
<doc xml:space="preserve">Negates the given #graphene_vec2_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="normalize"
c:identifier="graphene_vec2_normalize"
version="1.0">
<doc xml:space="preserve">Computes the normalized vector for the given vector @v.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the
normalized vector</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="scale" c:identifier="graphene_vec2_scale" version="1.2">
<doc xml:space="preserve">Multiplies all components of the given vector with the given scalar @factor.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the scalar factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="subtract"
c:identifier="graphene_vec2_subtract"
version="1.0">
<doc xml:space="preserve">Subtracts from each component of the first operand @a the
corresponding component of the second operand @b and places
each result into the components of @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="to_float"
c:identifier="graphene_vec2_to_float"
version="1.0">
<doc xml:space="preserve">Stores the components of @v into an array.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</instance-parameter>
<parameter name="dest"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location
for an array of floating point values with at least 2 elements</doc>
<array zero-terminated="0" c:type="float*" fixed-size="2">
<type name="gfloat" c:type="float"/>
</array>
</parameter>
</parameters>
</method>
<function name="one" c:identifier="graphene_vec2_one" version="1.0">
<doc xml:space="preserve">Retrieves a constant vector with (1, 1) components.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the one vector</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</return-value>
</function>
<function name="x_axis"
c:identifier="graphene_vec2_x_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a constant vector with (1, 0) components.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the X axis vector</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</return-value>
</function>
<function name="y_axis"
c:identifier="graphene_vec2_y_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a constant vector with (0, 1) components.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the Y axis vector</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</return-value>
</function>
<function name="zero" c:identifier="graphene_vec2_zero" version="1.0">
<doc xml:space="preserve">Retrieves a constant vector with (0, 0) components.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the zero vector</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</return-value>
</function>
</record>
<record name="Vec3"
c:type="graphene_vec3_t"
glib:type-name="GrapheneVec3"
glib:get-type="graphene_vec3_get_type"
c:symbol-prefix="vec3">
<doc xml:space="preserve">A structure capable of holding a vector with three dimensions: x, y, and z.
The contents of the #graphene_vec3_t structure are private and should
never be accessed directly.</doc>
<field name="value" introspectable="0" readable="0" private="1">
<type c:type="graphene_simd4f_t"/>
</field>
<constructor name="alloc"
c:identifier="graphene_vec3_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_vec3_t structure.
The contents of the returned structure are undefined.
Use graphene_vec3_init() to initialize the vector.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_vec3_t
structure. Use graphene_vec3_free() to free the resources allocated
by this function.</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</return-value>
</constructor>
<method name="add" c:identifier="graphene_vec3_add" version="1.0">
<doc xml:space="preserve">Adds each component of the two given vectors.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="cross" c:identifier="graphene_vec3_cross" version="1.0">
<doc xml:space="preserve">Computes the cross product of the two given vectors.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="divide" c:identifier="graphene_vec3_divide" version="1.0">
<doc xml:space="preserve">Divides each component of the first operand @a by the corresponding
component of the second operand @b, and places the results into the
vector @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="dot" c:identifier="graphene_vec3_dot" version="1.0">
<doc xml:space="preserve">Computes the dot product of the two given vectors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the dot product</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_vec3_equal" version="1.2">
<doc xml:space="preserve">Checks whether the two given #graphene_vec3_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the two vectors are equal, and false otherwise</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="v1" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="v2" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_vec3_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated by @v</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_x" c:identifier="graphene_vec3_get_x" version="1.0">
<doc xml:space="preserve">Retrieves the first component of the given vector @v.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the first component of the vector</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_xy" c:identifier="graphene_vec3_get_xy" version="1.0">
<doc xml:space="preserve">Creates a #graphene_vec2_t that contains the first and second
components of the given #graphene_vec3_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_vec2_t</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="get_xy0"
c:identifier="graphene_vec3_get_xy0"
version="1.0">
<doc xml:space="preserve">Creates a #graphene_vec3_t that contains the first two components of
the given #graphene_vec3_t, and the third component set to 0.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="get_xyz0"
c:identifier="graphene_vec3_get_xyz0"
version="1.0">
<doc xml:space="preserve">Converts a #graphene_vec3_t in a #graphene_vec4_t using 0.0
as the value for the fourth component of the resulting vector.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="get_xyz1"
c:identifier="graphene_vec3_get_xyz1"
version="1.0">
<doc xml:space="preserve">Converts a #graphene_vec3_t in a #graphene_vec4_t using 1.0
as the value for the fourth component of the resulting vector.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="get_xyzw"
c:identifier="graphene_vec3_get_xyzw"
version="1.0">
<doc xml:space="preserve">Converts a #graphene_vec3_t in a #graphene_vec4_t using @w as
the value of the fourth component of the resulting vector.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="w" transfer-ownership="none">
<doc xml:space="preserve">the value of the W component</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="get_y" c:identifier="graphene_vec3_get_y" version="1.0">
<doc xml:space="preserve">Retrieves the second component of the given vector @v.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the second component of the vector</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_z" c:identifier="graphene_vec3_get_z" version="1.0">
<doc xml:space="preserve">Retrieves the third component of the given vector @v.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the third component of the vector</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_vec3_init" version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec3_t using the given values.
This function can be called multiple times.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a pointer to the initialized
vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">the X field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">the Y field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z" transfer-ownership="none">
<doc xml:space="preserve">the Z field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_float"
c:identifier="graphene_vec3_init_from_float"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec3_t with the values from an array.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">an array of 3 floating point values</doc>
<array zero-terminated="0" c:type="float*" fixed-size="3">
<type name="gfloat" c:type="float"/>
</array>
</parameter>
</parameters>
</method>
<method name="init_from_vec3"
c:identifier="graphene_vec3_init_from_vec3"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec3_t with the values of another
#graphene_vec3_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="length" c:identifier="graphene_vec3_length" version="1.0">
<doc xml:space="preserve">Retrieves the length of the given vector @v.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the length of the vector</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="max" c:identifier="graphene_vec3_max" version="1.0">
<doc xml:space="preserve">Compares each component of the two given vectors and creates a
vector that contains the maximum values.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="min" c:identifier="graphene_vec3_min" version="1.0">
<doc xml:space="preserve">Compares each component of the two given vectors and creates a
vector that contains the minimum values.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="multiply"
c:identifier="graphene_vec3_multiply"
version="1.0">
<doc xml:space="preserve">Multiplies each component of the two given vectors.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="near" c:identifier="graphene_vec3_near" version="1.2">
<doc xml:space="preserve">Compares the two given #graphene_vec3_t vectors and checks
whether their values are within the given @epsilon.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the two vectors are near each other</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="v1" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="v2" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="epsilon" transfer-ownership="none">
<doc xml:space="preserve">the threshold between the two vectors</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="negate" c:identifier="graphene_vec3_negate" version="1.2">
<doc xml:space="preserve">Negates the given #graphene_vec3_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="normalize"
c:identifier="graphene_vec3_normalize"
version="1.0">
<doc xml:space="preserve">Normalizes the given #graphene_vec3_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the normalized vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="scale" c:identifier="graphene_vec3_scale" version="1.2">
<doc xml:space="preserve">Multiplies all components of the given vector with the given scalar @factor.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the scalar factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="subtract"
c:identifier="graphene_vec3_subtract"
version="1.0">
<doc xml:space="preserve">Subtracts from each component of the first operand @a the
corresponding component of the second operand @b and places
each result into the components of @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="to_float"
c:identifier="graphene_vec3_to_float"
version="1.0">
<doc xml:space="preserve">Copies the components of a #graphene_vec3_t into the given array.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</instance-parameter>
<parameter name="dest"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for
an array of floating point values</doc>
<array zero-terminated="0" c:type="float*" fixed-size="3">
<type name="gfloat" c:type="float"/>
</array>
</parameter>
</parameters>
</method>
<function name="one" c:identifier="graphene_vec3_one" version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components,
all sets to 1.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="x_axis"
c:identifier="graphene_vec3_x_axis"
version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components
with values set to (1, 0, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="y_axis"
c:identifier="graphene_vec3_y_axis"
version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components
with values set to (0, 1, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="z_axis"
c:identifier="graphene_vec3_z_axis"
version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components
with values set to (0, 0, 1).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="zero" c:identifier="graphene_vec3_zero" version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components,
all sets to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
</record>
<record name="Vec4"
c:type="graphene_vec4_t"
glib:type-name="GrapheneVec4"
glib:get-type="graphene_vec4_get_type"
c:symbol-prefix="vec4">
<doc xml:space="preserve">A structure capable of holding a vector with four dimensions: x, y, z, and w.
The contents of the #graphene_vec4_t structure are private and should
never be accessed directly.</doc>
<field name="value" introspectable="0" readable="0" private="1">
<type c:type="graphene_simd4f_t"/>
</field>
<constructor name="alloc"
c:identifier="graphene_vec4_alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_vec4_t structure.
The contents of the returned structure are undefined.
Use graphene_vec4_init() to initialize the vector.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated #graphene_vec4_t
structure. Use graphene_vec4_free() to free the resources allocated
by this function.</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</return-value>
</constructor>
<method name="add" c:identifier="graphene_vec4_add" version="1.0">
<doc xml:space="preserve">Adds each component of the two given vectors.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="divide" c:identifier="graphene_vec4_divide" version="1.0">
<doc xml:space="preserve">Divides each component of the first operand @a by the corresponding
component of the second operand @b, and places the results into the
vector @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="dot" c:identifier="graphene_vec4_dot" version="1.0">
<doc xml:space="preserve">Computes the dot product of the two given vectors.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the dot product</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="equal" c:identifier="graphene_vec4_equal" version="1.2">
<doc xml:space="preserve">Checks whether the two given #graphene_vec4_t are equal.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the two vectors are equal, and false otherwise</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="v1" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="v2" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="free" c:identifier="graphene_vec4_free" version="1.0">
<doc xml:space="preserve">Frees the resources allocated by @v</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_w" c:identifier="graphene_vec4_get_w" version="1.0">
<doc xml:space="preserve">Retrieves the value of the fourth component of the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the fourth component</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_x" c:identifier="graphene_vec4_get_x" version="1.0">
<doc xml:space="preserve">Retrieves the value of the first component of the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the first component</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_xy" c:identifier="graphene_vec4_get_xy" version="1.0">
<doc xml:space="preserve">Creates a #graphene_vec2_t that contains the first two components
of the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a #graphene_vec2_t</doc>
<type name="Vec2" c:type="graphene_vec2_t*"/>
</parameter>
</parameters>
</method>
<method name="get_xyz"
c:identifier="graphene_vec4_get_xyz"
version="1.0">
<doc xml:space="preserve">Creates a #graphene_vec3_t that contains the first three components
of the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for a graphene_vec3_t</doc>
<type name="Vec3" c:type="graphene_vec3_t*"/>
</parameter>
</parameters>
</method>
<method name="get_y" c:identifier="graphene_vec4_get_y" version="1.0">
<doc xml:space="preserve">Retrieves the value of the second component of the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the second component</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_z" c:identifier="graphene_vec4_get_z" version="1.0">
<doc xml:space="preserve">Retrieves the value of the third component of the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the value of the third component</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="init" c:identifier="graphene_vec4_init" version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec4_t using the given values.
This function can be called multiple times.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a pointer to the initialized
vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">the X field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">the Y field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="z" transfer-ownership="none">
<doc xml:space="preserve">the Z field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="w" transfer-ownership="none">
<doc xml:space="preserve">the W field of the vector</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_float"
c:identifier="graphene_vec4_init_from_float"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec4_t with the values inside the given array.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">an array of four floating point values</doc>
<array zero-terminated="0" c:type="float*" fixed-size="4">
<type name="gfloat" c:type="float"/>
</array>
</parameter>
</parameters>
</method>
<method name="init_from_vec2"
c:identifier="graphene_vec4_init_from_vec2"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec4_t using the components of a
#graphene_vec2_t and the values of @z and @w.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec2_t</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</parameter>
<parameter name="z" transfer-ownership="none">
<doc xml:space="preserve">the value for the third component of @v</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="w" transfer-ownership="none">
<doc xml:space="preserve">the value for the fourth component of @v</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec3"
c:identifier="graphene_vec4_init_from_vec3"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec4_t using the components of a
#graphene_vec3_t and the value of @w.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec3_t</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</parameter>
<parameter name="w" transfer-ownership="none">
<doc xml:space="preserve">the value for the fourth component of @v</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="init_from_vec4"
c:identifier="graphene_vec4_init_from_vec4"
version="1.0">
<doc xml:space="preserve">Initializes a #graphene_vec4_t using the components of
another #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the initialized vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</instance-parameter>
<parameter name="src" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="length" c:identifier="graphene_vec4_length" version="1.0">
<doc xml:space="preserve">Computes the length of the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the length of the vector</doc>
<type name="gfloat" c:type="float"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
</parameters>
</method>
<method name="max" c:identifier="graphene_vec4_max" version="1.0">
<doc xml:space="preserve">Compares each component of the two given vectors and creates a
vector that contains the maximum values.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="min" c:identifier="graphene_vec4_min" version="1.0">
<doc xml:space="preserve">Compares each component of the two given vectors and creates a
vector that contains the minimum values.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="multiply"
c:identifier="graphene_vec4_multiply"
version="1.0">
<doc xml:space="preserve">Multiplies each component of the two given vectors.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="near" c:identifier="graphene_vec4_near" version="1.2">
<doc xml:space="preserve">Compares the two given #graphene_vec4_t vectors and checks
whether their values are within the given @epsilon.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">`true` if the two vectors are near each other</doc>
<type name="gboolean" c:type="bool"/>
</return-value>
<parameters>
<instance-parameter name="v1" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="v2" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="epsilon" transfer-ownership="none">
<doc xml:space="preserve">the threshold between the two vectors</doc>
<type name="gfloat" c:type="float"/>
</parameter>
</parameters>
</method>
<method name="negate" c:identifier="graphene_vec4_negate" version="1.2">
<doc xml:space="preserve">Negates the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="normalize"
c:identifier="graphene_vec4_normalize"
version="1.0">
<doc xml:space="preserve">Normalizes the given #graphene_vec4_t.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the normalized
vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="scale" c:identifier="graphene_vec4_scale" version="1.2">
<doc xml:space="preserve">Multiplies all components of the given vector with the given scalar @factor.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="factor" transfer-ownership="none">
<doc xml:space="preserve">the scalar factor</doc>
<type name="gfloat" c:type="float"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the result vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="subtract"
c:identifier="graphene_vec4_subtract"
version="1.0">
<doc xml:space="preserve">Subtracts from each component of the first operand @a the
corresponding component of the second operand @b and places
each result into the components of @res.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="a" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="b" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</parameter>
<parameter name="res"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for the resulting vector</doc>
<type name="Vec4" c:type="graphene_vec4_t*"/>
</parameter>
</parameters>
</method>
<method name="to_float"
c:identifier="graphene_vec4_to_float"
version="1.0">
<doc xml:space="preserve">Stores the components of the given #graphene_vec4_t into an array
of floating point values.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="v" transfer-ownership="none">
<doc xml:space="preserve">a #graphene_vec4_t</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</instance-parameter>
<parameter name="dest"
direction="out"
caller-allocates="1"
transfer-ownership="none">
<doc xml:space="preserve">return location for
an array of floating point values</doc>
<array zero-terminated="0" c:type="float*" fixed-size="4">
<type name="gfloat" c:type="float"/>
</array>
</parameter>
</parameters>
</method>
<function name="one" c:identifier="graphene_vec4_one" version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with all its
components set to 1.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="w_axis"
c:identifier="graphene_vec4_w_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with its
components set to (0, 0, 0, 1).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="x_axis"
c:identifier="graphene_vec4_x_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with its
components set to (1, 0, 0, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="y_axis"
c:identifier="graphene_vec4_y_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with its
components set to (0, 1, 0, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="z_axis"
c:identifier="graphene_vec4_z_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with its
components set to (0, 0, 1, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="zero" c:identifier="graphene_vec4_zero" version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with all its
components set to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
</record>
<function name="box_empty"
c:identifier="graphene_box_empty"
moved-to="Box.empty"
version="1.2">
<doc xml:space="preserve">A degenerate #graphene_box_t that can only be expanded.
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="box_infinite"
c:identifier="graphene_box_infinite"
moved-to="Box.infinite"
version="1.2">
<doc xml:space="preserve">A degenerate #graphene_box_t that cannot be expanded.
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="box_minus_one"
c:identifier="graphene_box_minus_one"
moved-to="Box.minus_one"
version="1.2">
<doc xml:space="preserve">A #graphene_box_t with the minimum vertex set at (-1, -1, -1) and the
maximum vertex set at (0, 0, 0).
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="box_one"
c:identifier="graphene_box_one"
moved-to="Box.one"
version="1.2">
<doc xml:space="preserve">A #graphene_box_t with the minimum vertex set at (0, 0, 0) and the
maximum vertex set at (1, 1, 1).
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="box_one_minus_one"
c:identifier="graphene_box_one_minus_one"
moved-to="Box.one_minus_one"
version="1.2">
<doc xml:space="preserve">A #graphene_box_t with the minimum vertex set at (-1, -1, -1) and the
maximum vertex set at (1, 1, 1).
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="box_zero"
c:identifier="graphene_box_zero"
moved-to="Box.zero"
version="1.2">
<doc xml:space="preserve">A #graphene_box_t with both the minimum and maximum vertices set at (0, 0, 0).
The returned value is owned by Graphene and should not be modified or freed.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a #graphene_box_t</doc>
<type name="Box" c:type="const graphene_box_t*"/>
</return-value>
</function>
<function name="point3d_zero"
c:identifier="graphene_point3d_zero"
moved-to="Point3D.zero"
version="1.0">
<doc xml:space="preserve">Retrieves a constant point with all three coordinates set to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a zero point</doc>
<type name="Point3D" c:type="const graphene_point3d_t*"/>
</return-value>
</function>
<function name="point_zero"
c:identifier="graphene_point_zero"
moved-to="Point.zero"
version="1.0">
<doc xml:space="preserve">Returns a point fixed at (0, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a fixed point</doc>
<type name="Point" c:type="const graphene_point_t*"/>
</return-value>
</function>
<function name="rect_alloc"
c:identifier="graphene_rect_alloc"
moved-to="Rect.alloc"
version="1.0">
<doc xml:space="preserve">Allocates a new #graphene_rect_t.
The contents of the returned rectangle are undefined.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve">the newly allocated rectangle</doc>
<type name="Rect" c:type="graphene_rect_t*"/>
</return-value>
</function>
<function name="rect_zero"
c:identifier="graphene_rect_zero"
moved-to="Rect.zero"
version="1.4">
<doc xml:space="preserve">Returns a degenerate rectangle with origin fixed at (0, 0) and
a size of 0, 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a fixed rectangle</doc>
<type name="Rect" c:type="const graphene_rect_t*"/>
</return-value>
</function>
<function name="size_zero"
c:identifier="graphene_size_zero"
moved-to="Size.zero"
version="1.0">
<doc xml:space="preserve">A constant pointer to a zero #graphene_size_t, useful for
equality checks and interpolations.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant size</doc>
<type name="Size" c:type="const graphene_size_t*"/>
</return-value>
</function>
<function name="vec2_one"
c:identifier="graphene_vec2_one"
moved-to="Vec2.one"
version="1.0">
<doc xml:space="preserve">Retrieves a constant vector with (1, 1) components.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the one vector</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</return-value>
</function>
<function name="vec2_x_axis"
c:identifier="graphene_vec2_x_axis"
moved-to="Vec2.x_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a constant vector with (1, 0) components.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the X axis vector</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</return-value>
</function>
<function name="vec2_y_axis"
c:identifier="graphene_vec2_y_axis"
moved-to="Vec2.y_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a constant vector with (0, 1) components.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the Y axis vector</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</return-value>
</function>
<function name="vec2_zero"
c:identifier="graphene_vec2_zero"
moved-to="Vec2.zero"
version="1.0">
<doc xml:space="preserve">Retrieves a constant vector with (0, 0) components.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">the zero vector</doc>
<type name="Vec2" c:type="const graphene_vec2_t*"/>
</return-value>
</function>
<function name="vec3_one"
c:identifier="graphene_vec3_one"
moved-to="Vec3.one"
version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components,
all sets to 1.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="vec3_x_axis"
c:identifier="graphene_vec3_x_axis"
moved-to="Vec3.x_axis"
version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components
with values set to (1, 0, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="vec3_y_axis"
c:identifier="graphene_vec3_y_axis"
moved-to="Vec3.y_axis"
version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components
with values set to (0, 1, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="vec3_z_axis"
c:identifier="graphene_vec3_z_axis"
moved-to="Vec3.z_axis"
version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components
with values set to (0, 0, 1).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="vec3_zero"
c:identifier="graphene_vec3_zero"
moved-to="Vec3.zero"
version="1.0">
<doc xml:space="preserve">Provides a constant pointer to a vector with three components,
all sets to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec3" c:type="const graphene_vec3_t*"/>
</return-value>
</function>
<function name="vec4_one"
c:identifier="graphene_vec4_one"
moved-to="Vec4.one"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with all its
components set to 1.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="vec4_w_axis"
c:identifier="graphene_vec4_w_axis"
moved-to="Vec4.w_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with its
components set to (0, 0, 0, 1).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="vec4_x_axis"
c:identifier="graphene_vec4_x_axis"
moved-to="Vec4.x_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with its
components set to (1, 0, 0, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="vec4_y_axis"
c:identifier="graphene_vec4_y_axis"
moved-to="Vec4.y_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with its
components set to (0, 1, 0, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="vec4_z_axis"
c:identifier="graphene_vec4_z_axis"
moved-to="Vec4.z_axis"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with its
components set to (0, 0, 1, 0).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
<function name="vec4_zero"
c:identifier="graphene_vec4_zero"
moved-to="Vec4.zero"
version="1.0">
<doc xml:space="preserve">Retrieves a pointer to a #graphene_vec4_t with all its
components set to 0.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a constant vector</doc>
<type name="Vec4" c:type="const graphene_vec4_t*"/>
</return-value>
</function>
</namespace>
</repository>
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