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-- GtkAda - Ada95 binding for Gtk+/Gnome --
-- --
-- Copyright (C) 2010-2013, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or --
-- modify it under the terms of the GNU General Public --
-- License as published by the Free Software Foundation; either --
-- version 2 of the License, or (at your option) any later version. --
-- --
-- This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- General Public License for more details. --
-- --
-- You should have received a copy of the GNU General Public --
-- License along with this library; if not, write to the --
-- Free Software Foundation, Inc., 59 Temple Place - Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-----------------------------------------------------------------------
-- <description>
-- Interfacing between Gdk and Cairo.
-- </description>
--
-- <c_version>2.16.6</c_version>
-- <group>Cairo</group>
with Glib; use Glib;
with Cairo; use Cairo;
with Gdk.Color; use Gdk.Color;
with Gdk.Pixbuf; use Gdk.Pixbuf;
package Gdk.Cairo is
function Create (Drawable : Gdk_Drawable) return Cairo_Context;
-- Creates a Cairo context for drawing to Drawable.
--
-- Note that due to double-buffering, Cairo contexts created
-- in a GTK+ expose event handler cannot be cached and reused
-- between different expose events.
--
-- Returns a newly created Cairo context. The result should be freed with
-- Cairo.Destroy.
procedure Set_Source_Pixmap
(Cr : Cairo_Context;
Pixmap : Gdk_Drawable;
Pixmap_X : Gdouble;
Pixmap_Y : Gdouble);
-- Cr: a Cairo_Context
-- Pixmap: a Gdk_Pixmap
-- Pixmap_X: X coordinate of location to place upper left corner of Pixmap
-- Pixmap_Y: Y coordinate of location to place upper left corner of Pixmap
--
-- Sets the given pixmap as the source pattern for the Cairo context.
-- The pattern has an extend mode of CAIRO_EXTEND_NONE and is aligned
-- so that the origin of Pixmap is Pixmap_X, Pixmap_Y
procedure Set_Source_Pixbuf
(Cr : Cairo_Context;
Pixbuf : Gdk_Pixbuf;
Pixbuf_X : Gdouble;
Pixbuf_Y : Gdouble);
-- Cr: a Cairo_Context
-- Pixbuf: a Gdk_Pixbuf
-- Pixbuf_X: X coordinate of location to place upper left corner of Pixbuf
-- Pixbuf_Y: Y coordinate of location to place upper left corner of Pixbuf
--
-- Sets the given pixbuf as the source pattern for the Cairo context.
-- The pattern has an extend mode of CAIRO_EXTEND_NONE and is aligned
-- so that the origin of Pixbuf is Pixbuf_X, Pixbuf_Y
procedure Set_Source_Color
(Cr : Cairo_Context;
Color : Gdk_Color);
-- Set the specified Color as the source of Cr.
private
pragma Import (C, Set_Source_Pixmap, "gdk_cairo_set_source_pixmap");
pragma Import (C, Set_Source_Color, "gdk_cairo_set_source_color");
end Gdk.Cairo;
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