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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Inline data: GDK-PixBuf Reference Manual</title>
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<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#gdk-pixbuf-Inline-data.description" class="shortcut">Description</a></span>
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<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
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</tr></table>
<div class="refentry">
<a name="gdk-pixbuf-Inline-data"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gdk-pixbuf-Inline-data.top_of_page"></a>Inline data</span></h2>
<p>Inline data — Functions for inlined pixbuf handling.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gdk-pixbuf-Inline-data.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gdk-pixbuf-Inline-data.html#GDK-PIXBUF-MAGIC-NUMBER:CAPS" title="GDK_PIXBUF_MAGIC_NUMBER">GDK_PIXBUF_MAGIC_NUMBER</a></td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="gdk-pixbuf-Inline-data.html#gdk-pixdata-from-pixbuf" title="gdk_pixdata_from_pixbuf ()">gdk_pixdata_from_pixbuf</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="returnvalue">GdkPixbuf</span></a> *
</td>
<td class="function_name">
<a class="link" href="gdk-pixbuf-Inline-data.html#gdk-pixbuf-from-pixdata" title="gdk_pixbuf_from_pixdata ()">gdk_pixbuf_from_pixdata</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint8"><span class="returnvalue">guint8</span></a> *
</td>
<td class="function_name">
<a class="link" href="gdk-pixbuf-Inline-data.html#gdk-pixdata-serialize" title="gdk_pixdata_serialize ()">gdk_pixdata_serialize</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="gdk-pixbuf-Inline-data.html#gdk-pixdata-deserialize" title="gdk_pixdata_deserialize ()">gdk_pixdata_deserialize</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Strings.html#GString"><span class="returnvalue">GString</span></a> *
</td>
<td class="function_name">
<a class="link" href="gdk-pixbuf-Inline-data.html#gdk-pixdata-to-csource" title="gdk_pixdata_to_csource ()">gdk_pixdata_to_csource</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gdk-pixbuf-Inline-data.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata">GdkPixdata</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdataType" title="enum GdkPixdataType">GdkPixdataType</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdataDumpType" title="enum GdkPixdataDumpType">GdkPixdataDumpType</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gdk-pixbuf-Inline-data.html#GDK-PIXDATA-HEADER-LENGTH:CAPS" title="GDK_PIXDATA_HEADER_LENGTH">GDK_PIXDATA_HEADER_LENGTH</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gdk-pixbuf-Inline-data.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gdk-pixbuf/gdk-pixdata.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="gdk-pixbuf-Inline-data.description"></a><h2>Description</h2>
<p>Using <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a>, images can be compiled into an application,
making it unnecessary to refer to external image files at runtime.
GdkPixBuf includes a utility named gdk-pixbuf-csource, which
can be used to convert image files into <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structures suitable
for inclusion in C sources. To convert the <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structures back 
into <a href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf-struct"><span class="type">GdkPixbufs</span></a>, use gdk_pixbuf_from_pixdata.</p>
<p><a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> should not be used any more. <a href="https://developer.gnome.org/gio/unstable/GResource.html#GResource-struct"><span class="type">GResource</span></a> should be used to save
the original compressed images inside the program's binary.</p>
</div>
<div class="refsect1">
<a name="gdk-pixbuf-Inline-data.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GDK-PIXBUF-MAGIC-NUMBER:CAPS"></a><h3>GDK_PIXBUF_MAGIC_NUMBER</h3>
<pre class="programlisting">#define GDK_PIXBUF_MAGIC_NUMBER (0x47646b50)    /* 'GdkP' */
</pre>
<div class="warning"><p><code class="literal">GDK_PIXBUF_MAGIC_NUMBER</code> is deprecated and should not be used in newly-written code.</p></div>
<p>Magic number for <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structures.</p>
</div>
<hr>
<div class="refsect2">
<a name="gdk-pixdata-from-pixbuf"></a><h3>gdk_pixdata_from_pixbuf ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
gdk_pixdata_from_pixbuf (<em class="parameter"><code><a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> *pixdata</code></em>,
                         <em class="parameter"><code>const <a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="type">GdkPixbuf</span></a> *pixbuf</code></em>,
                         <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> use_rle</code></em>);</pre>
<div class="warning">
<p><code class="literal">gdk_pixdata_from_pixbuf</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use <a href="https://developer.gnome.org/gio/unstable/GResource.html#GResource-struct"><span class="type">GResource</span></a> instead.</p>
</div>
<p>Converts a <a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="type">GdkPixbuf</span></a> to a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a>. If <em class="parameter"><code>use_rle</code></em>
 is <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, the
pixel data is run-length encoded into newly-allocated memory and a 
pointer to that memory is returned.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="id-1.2.9.7.3.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pixdata</p></td>
<td class="parameter_description"><p>a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> to fill.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pixbuf</p></td>
<td class="parameter_description"><p>the data to fill <em class="parameter"><code>pixdata</code></em>
with.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>use_rle</p></td>
<td class="parameter_description"><p>whether to use run-length encoding for the pixel data.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.9.7.3.8"></a><h4>Returns</h4>
<p> If <em class="parameter"><code>use_rle</code></em>
is <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, a pointer to the
newly-allocated memory for the run-length encoded pixel data,
otherwise <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p>
<p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gdk-pixbuf-from-pixdata"></a><h3>gdk_pixbuf_from_pixdata ()</h3>
<pre class="programlisting"><a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="returnvalue">GdkPixbuf</span></a> *
gdk_pixbuf_from_pixdata (<em class="parameter"><code>const <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> *pixdata</code></em>,
                         <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> copy_pixels</code></em>,
                         <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<div class="warning">
<p><code class="literal">gdk_pixbuf_from_pixdata</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use <a href="https://developer.gnome.org/gio/unstable/GResource.html#GResource-struct"><span class="type">GResource</span></a> instead.</p>
</div>
<p>Converts a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> to a <a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="type">GdkPixbuf</span></a>. If <em class="parameter"><code>copy_pixels</code></em>
 is <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> or
if the pixel data is run-length-encoded, the pixel data is copied into
newly-allocated memory; otherwise it is reused.</p>
<div class="refsect3">
<a name="id-1.2.9.7.4.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pixdata</p></td>
<td class="parameter_description"><p>a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> to convert into a <a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="type">GdkPixbuf</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>copy_pixels</p></td>
<td class="parameter_description"><p>whether to copy raw pixel data; run-length encoded
pixel data is always copied.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>location to store possible errors.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.9.7.4.7"></a><h4>Returns</h4>
<p> a new <a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GdkPixbuf"><span class="type">GdkPixbuf</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gdk-pixdata-serialize"></a><h3>gdk_pixdata_serialize ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint8"><span class="returnvalue">guint8</span></a> *
gdk_pixdata_serialize (<em class="parameter"><code>const <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> *pixdata</code></em>,
                       <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *stream_length_p</code></em>);</pre>
<div class="warning">
<p><code class="literal">gdk_pixdata_serialize</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use <a href="https://developer.gnome.org/gio/unstable/GResource.html#GResource-struct"><span class="type">GResource</span></a> instead.</p>
</div>
<p>Serializes a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure into a byte stream.
The byte stream consists of a straightforward writeout of the
<a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> fields in network byte order, plus the <em class="parameter"><code>pixel_data</code></em>

bytes the structure points to.</p>
<div class="refsect3">
<a name="id-1.2.9.7.5.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pixdata</p></td>
<td class="parameter_description"><p>a valid <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure to serialize.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>stream_length_p</p></td>
<td class="parameter_description"><p>location to store the resulting stream length in.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.9.7.5.7"></a><h4>Returns</h4>
<p> A
newly-allocated string containing the serialized <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a>
structure. </p>
<p><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=stream_length_p][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gdk-pixdata-deserialize"></a><h3>gdk_pixdata_deserialize ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gdk_pixdata_deserialize (<em class="parameter"><code><a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> *pixdata</code></em>,
                         <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> stream_length</code></em>,
                         <em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *stream</code></em>,
                         <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<div class="warning">
<p><code class="literal">gdk_pixdata_deserialize</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use <a href="https://developer.gnome.org/gio/unstable/GResource.html#GResource-struct"><span class="type">GResource</span></a> instead.</p>
</div>
<p>Deserializes (reconstruct) a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure from a byte stream.
The byte stream consists of a straightforward writeout of the
<a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> fields in network byte order, plus the <em class="parameter"><code>pixel_data</code></em>

bytes the structure points to.
The <em class="parameter"><code>pixdata</code></em>
 contents are reconstructed byte by byte and are checked
for validity. This function may fail with <a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GDK-PIXBUF-ERROR-CORRUPT-IMAGE:CAPS"><code class="literal">GDK_PIXBUF_ERROR_CORRUPT_IMAGE</code></a>
or <a class="link" href="gdk-pixbuf-The-GdkPixbuf-Structure.html#GDK-PIXBUF-ERROR-UNKNOWN-TYPE:CAPS"><code class="literal">GDK_PIXBUF_ERROR_UNKNOWN_TYPE</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.9.7.6.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pixdata</p></td>
<td class="parameter_description"><p>a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure to be filled in.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>stream_length</p></td>
<td class="parameter_description"><p>length of the stream used for deserialization.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>stream</p></td>
<td class="parameter_description"><p> stream of bytes containing a
serialized <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=stream_length]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p><a href="https://developer.gnome.org/glib/unstable/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> location to indicate failures (maybe <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to ignore errors).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.9.7.6.7"></a><h4>Returns</h4>
<p> Upon successful deserialization <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> is returned,
<a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gdk-pixdata-to-csource"></a><h3>gdk_pixdata_to_csource ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Strings.html#GString"><span class="returnvalue">GString</span></a> *
gdk_pixdata_to_csource (<em class="parameter"><code><a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> *pixdata</code></em>,
                        <em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
                        <em class="parameter"><code><a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdataDumpType" title="enum GdkPixdataDumpType"><span class="type">GdkPixdataDumpType</span></a> dump_type</code></em>);</pre>
<div class="warning">
<p><code class="literal">gdk_pixdata_to_csource</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use <a href="https://developer.gnome.org/gio/unstable/GResource.html#GResource-struct"><span class="type">GResource</span></a> instead.</p>
</div>
<p>Generates C source code suitable for compiling images directly 
into programs. </p>
<p>gdk-pixbuf ships with a program called
<a class="link" href="gdk-pixbuf-csource.html" title="gdk-pixbuf-csource">gdk-pixbuf-csource</a>, which offers a command
line interface to this function.</p>
<div class="refsect3">
<a name="id-1.2.9.7.7.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pixdata</p></td>
<td class="parameter_description"><p>a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> to convert to C source.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>used for naming generated data structures or macros.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dump_type</p></td>
<td class="parameter_description"><p>a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdataDumpType" title="enum GdkPixdataDumpType"><span class="type">GdkPixdataDumpType</span></a> determining the kind of C
source to be generated.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.9.7.7.8"></a><h4>Returns</h4>
<p> a newly-allocated string containing the C source form
of <em class="parameter"><code>pixdata</code></em>
.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="gdk-pixbuf-Inline-data.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GdkPixdata"></a><h3>struct GdkPixdata</h3>
<pre class="programlisting">struct GdkPixdata {
  guint32 magic;        /* GDK_PIXBUF_MAGIC_NUMBER */
  gint32  length;       /* &lt;1 to disable length checks, otherwise:
			 * GDK_PIXDATA_HEADER_LENGTH + pixel_data length
			 */
  guint32 pixdata_type; /* GdkPixdataType */
  guint32 rowstride;
  guint32 width;
  guint32 height;
  guint8 *pixel_data;
};
</pre>
<div class="warning"><p><code class="literal">GdkPixdata</code> is deprecated and should not be used in newly-written code.</p></div>
<p>A <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> contains pixbuf information in a form suitable for 
serialization and streaming.</p>
<div class="refsect3">
<a name="id-1.2.9.8.2.6"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GdkPixdata.magic"></a>magic</code></em>;</p></td>
<td class="struct_member_description"><p>magic number. A valid <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure must have
<a class="link" href="gdk-pixbuf-Inline-data.html#GDK-PIXBUF-MAGIC-NUMBER:CAPS" title="GDK_PIXBUF_MAGIC_NUMBER"><span class="type">GDK_PIXBUF_MAGIC_NUMBER</span></a> here.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gint32"><span class="type">gint32</span></a> <em class="structfield"><code><a name="GdkPixdata.length"></a>length</code></em>;</p></td>
<td class="struct_member_description"><p>less than 1 to disable length checks, otherwise
<a class="link" href="gdk-pixbuf-Inline-data.html#GDK-PIXDATA-HEADER-LENGTH:CAPS" title="GDK_PIXDATA_HEADER_LENGTH"><span class="type">GDK_PIXDATA_HEADER_LENGTH</span></a> + length of <em class="parameter"><code>pixel_data</code></em>
. </p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GdkPixdata.pixdata-type"></a>pixdata_type</code></em>;</p></td>
<td class="struct_member_description"><p>information about colorspace, sample width and
encoding, in a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdataType" title="enum GdkPixdataType"><span class="type">GdkPixdataType</span></a>. </p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GdkPixdata.rowstride"></a>rowstride</code></em>;</p></td>
<td class="struct_member_description"><p>Distance in bytes between rows.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GdkPixdata.width"></a>width</code></em>;</p></td>
<td class="struct_member_description"><p>Width of the image in pixels.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GdkPixdata.height"></a>height</code></em>;</p></td>
<td class="struct_member_description"><p>Height of the image in pixels.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *<em class="structfield"><code><a name="GdkPixdata.pixel-data"></a>pixel_data</code></em>;</p></td>
<td class="struct_member_description"><p> <em class="parameter"><code>width</code></em>
x <em class="parameter"><code>height</code></em>
pixels, encoded according to <em class="parameter"><code>pixdata_type</code></em>
and <em class="parameter"><code>rowstride</code></em>
. </p></td>
<td class="struct_member_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> guint8]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GdkPixdataType"></a><h3>enum GdkPixdataType</h3>
<div class="warning"><p><code class="literal">GdkPixdataType</code> is deprecated and should not be used in newly-written code.</p></div>
<p>An enumeration containing three sets of flags for a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> struct: 
one for the used colorspace, one for the width of the samples and one 
for the encoding of the pixel data.</p>
<div class="refsect3">
<a name="id-1.2.9.8.3.5"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-COLOR-TYPE-RGB:CAPS"></a>GDK_PIXDATA_COLOR_TYPE_RGB</p></td>
<td class="enum_member_description">
<p>each pixel has red, green and blue samples.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-COLOR-TYPE-RGBA:CAPS"></a>GDK_PIXDATA_COLOR_TYPE_RGBA</p></td>
<td class="enum_member_description">
<p>each pixel has red, green and blue samples 
   and an alpha value.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-COLOR-TYPE-MASK:CAPS"></a>GDK_PIXDATA_COLOR_TYPE_MASK</p></td>
<td class="enum_member_description">
<p>mask for the colortype flags of the enum.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-SAMPLE-WIDTH-8:CAPS"></a>GDK_PIXDATA_SAMPLE_WIDTH_8</p></td>
<td class="enum_member_description">
<p>each sample has 8 bits.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-SAMPLE-WIDTH-MASK:CAPS"></a>GDK_PIXDATA_SAMPLE_WIDTH_MASK</p></td>
<td class="enum_member_description">
<p>mask for the sample width flags of the enum.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-ENCODING-RAW:CAPS"></a>GDK_PIXDATA_ENCODING_RAW</p></td>
<td class="enum_member_description">
<p>the pixel data is in raw form. </p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-ENCODING-RLE:CAPS"></a>GDK_PIXDATA_ENCODING_RLE</p></td>
<td class="enum_member_description">
<p>the pixel data is run-length encoded. Runs may 
   be up to 127 bytes long; their length is stored in a single byte 
   preceding the pixel data for the run. If a run is constant, its length
   byte has the high bit set and the pixel data consists of a single pixel
   which must be repeated. </p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-ENCODING-MASK:CAPS"></a>GDK_PIXDATA_ENCODING_MASK</p></td>
<td class="enum_member_description">
<p>mask for the encoding flags of the enum.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GdkPixdataDumpType"></a><h3>enum GdkPixdataDumpType</h3>
<div class="warning"><p><code class="literal">GdkPixdataDumpType</code> is deprecated and should not be used in newly-written code.</p></div>
<p>An enumeration which is used by <a class="link" href="gdk-pixbuf-Inline-data.html#gdk-pixdata-to-csource" title="gdk_pixdata_to_csource ()"><code class="function">gdk_pixdata_to_csource()</code></a> to
determine the form of C source to be generated. The three values
<em class="parameter"><code>GDK_PIXDATA_DUMP_PIXDATA_STREAM</code></em>
, <em class="parameter"><code>GDK_PIXDATA_DUMP_PIXDATA_STRUCT</code></em>

and <em class="parameter"><code>GDK_PIXDATA_DUMP_MACROS</code></em>
 are mutually exclusive, as are
<em class="parameter"><code>GDK_PIXBUF_DUMP_GTYPES</code></em>
 and <em class="parameter"><code>GDK_PIXBUF_DUMP_CTYPES</code></em>
. The remaining
elements are optional flags that can be freely added.</p>
<div class="refsect3">
<a name="id-1.2.9.8.4.5"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-DUMP-PIXDATA-STREAM:CAPS"></a>GDK_PIXDATA_DUMP_PIXDATA_STREAM</p></td>
<td class="enum_member_description">
<p>Generate pixbuf data stream (a single 
   string containing a serialized <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure in network byte 
   order).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-DUMP-PIXDATA-STRUCT:CAPS"></a>GDK_PIXDATA_DUMP_PIXDATA_STRUCT</p></td>
<td class="enum_member_description">
<p>Generate <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure (needs 
   the <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure definition from gdk-pixdata.h).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-DUMP-MACROS:CAPS"></a>GDK_PIXDATA_DUMP_MACROS</p></td>
<td class="enum_member_description">
<p>Generate &lt;function&gt;*_ROWSTRIDE&lt;/function&gt;,     
   &lt;function&gt;*_WIDTH&lt;/function&gt;, &lt;function&gt;*_HEIGHT&lt;/function&gt;,
   &lt;function&gt;*_BYTES_PER_PIXEL&lt;/function&gt; and 
   &lt;function&gt;*_RLE_PIXEL_DATA&lt;/function&gt; or &lt;function&gt;*_PIXEL_DATA&lt;/function&gt;
   macro definitions for the image.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-DUMP-GTYPES:CAPS"></a>GDK_PIXDATA_DUMP_GTYPES</p></td>
<td class="enum_member_description">
<p>Generate GLib data types instead of 
   standard C data types.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-DUMP-CTYPES:CAPS"></a>GDK_PIXDATA_DUMP_CTYPES</p></td>
<td class="enum_member_description">
<p>Generate standard C data types instead of 
   GLib data types.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-DUMP-STATIC:CAPS"></a>GDK_PIXDATA_DUMP_STATIC</p></td>
<td class="enum_member_description">
<p>Generate static symbols.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-DUMP-CONST:CAPS"></a>GDK_PIXDATA_DUMP_CONST</p></td>
<td class="enum_member_description">
<p>Generate const symbols.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GDK-PIXDATA-DUMP-RLE-DECODER:CAPS"></a>GDK_PIXDATA_DUMP_RLE_DECODER</p></td>
<td class="enum_member_description">
<p>Provide a &lt;function&gt;*_RUN_LENGTH_DECODE(image_buf, rle_data, size, bpp)&lt;/function&gt; 
   macro definition  to  decode  run-length encoded image data.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GDK-PIXDATA-HEADER-LENGTH:CAPS"></a><h3>GDK_PIXDATA_HEADER_LENGTH</h3>
<pre class="programlisting">#define GDK_PIXDATA_HEADER_LENGTH (4 + 4 + 4 + 4 + 4 + 4)
</pre>
<div class="warning"><p><code class="literal">GDK_PIXDATA_HEADER_LENGTH</code> is deprecated and should not be used in newly-written code.</p></div>
<p>The length of a <a class="link" href="gdk-pixbuf-Inline-data.html#GdkPixdata" title="struct GdkPixdata"><span class="type">GdkPixdata</span></a> structure without the <em class="parameter"><code>pixel_data</code></em>
 pointer.</p>
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