add cairo

author: sanine <sanine.not@pm.me> 2022-10-12 12:03:23 -0500
committer: sanine <sanine.not@pm.me> 2022-10-12 12:03:23 -0500
commit: 530ffd0b7d3c39757b20f00716e486b5caf89aff (patch)
tree: 76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/doc/public/html/cairo-XLib-XRender-Backend.html
parent: 3dbe9332e47c143a237db12440f134caebd1cfbe (diff)
1 files changed, 208 insertions, 0 deletions
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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>XLib-XRender Backend: Cairo: A Vector Graphics Library</title>
+<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
+<link rel="home" href="index.html" title="Cairo: A Vector Graphics Library">
+<link rel="up" href="cairo-surfaces.html" title="Surfaces">
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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="#cairo-XLib-XRender-Backend.description" class="shortcut">Description</a></span>
+</td>
+<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="cairo-XLib-XRender-Backend"></a><div class="titlepage"></div>
+<div class="refnamediv"><table width="100%"><tr>
+<td valign="top">
+<h2><span class="refentrytitle"><a name="cairo-XLib-XRender-Backend.top_of_page"></a>XLib-XRender Backend</span></h2>
+<p>XLib-XRender Backend — X Window System rendering using XLib and the X Render extension</p>
+</td>
+<td class="gallery_image" valign="top" align="right"></td>
+</tr></table></div>
+<div class="refsect1">
+<a name="cairo-XLib-XRender-Backend.functions"></a><h2>Functions</h2>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="functions_return">
+<col class="functions_name">
+</colgroup>
+<tbody>
+<tr>
+<td class="function_type">
+<a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="returnvalue">cairo_surface_t</span></a> *
+</td>
+<td class="function_name">
+<a class="link" href="cairo-XLib-XRender-Backend.html#cairo-xlib-surface-create-with-xrender-format" title="cairo_xlib_surface_create_with_xrender_format ()">cairo_xlib_surface_create_with_xrender_format</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+<tr>
+<td class="function_type">
+<span class="returnvalue">XRenderPictFormat</span> *
+</td>
+<td class="function_name">
+<a class="link" href="cairo-XLib-XRender-Backend.html#cairo-xlib-surface-get-xrender-format" title="cairo_xlib_surface_get_xrender_format ()">cairo_xlib_surface_get_xrender_format</a> <span class="c_punctuation">()</span>
+</td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect1">
+<a name="cairo-XLib-XRender-Backend.other"></a><h2>Types and Values</h2>
+<div class="informaltable"><table class="informaltable" width="100%" border="0">
+<colgroup>
+<col width="150px" class="name">
+<col class="description">
+</colgroup>
+<tbody><tr>
+<td class="define_keyword">#define</td>
+<td class="function_name"><a class="link" href="cairo-XLib-XRender-Backend.html#CAIRO-HAS-XLIB-XRENDER-SURFACE:CAPS" title="CAIRO_HAS_XLIB_XRENDER_SURFACE">CAIRO_HAS_XLIB_XRENDER_SURFACE</a></td>
+</tr></tbody>
+</table></div>
+</div>
+<div class="refsect1">
+<a name="cairo-XLib-XRender-Backend.description"></a><h2>Description</h2>
+<p>The XLib surface is used to render cairo graphics to X Window System
+windows and pixmaps using the XLib and Xrender libraries.</p>
+<p>Note that the XLib surface automatically takes advantage of X Render extension
+if it is available.</p>
+</div>
+<div class="refsect1">
+<a name="cairo-XLib-XRender-Backend.functions_details"></a><h2>Functions</h2>
+<div class="refsect2">
+<a name="cairo-xlib-surface-create-with-xrender-format"></a><h3>cairo_xlib_surface_create_with_xrender_format ()</h3>
+<pre class="programlisting"><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="returnvalue">cairo_surface_t</span></a> *
+cairo_xlib_surface_create_with_xrender_format
+                               (<em class="parameter"><code><span class="type">Display</span> *dpy</code></em>,
+                                <em class="parameter"><code><span class="type">Drawable</span> drawable</code></em>,
+                                <em class="parameter"><code><span class="type">Screen</span> *screen</code></em>,
+                                <em class="parameter"><code><span class="type">XRenderPictFormat</span> *format</code></em>,
+                                <em class="parameter"><code><span class="type">int</span> width</code></em>,
+                                <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
+<p>Creates an Xlib surface that draws to the given drawable.
+The way that colors are represented in the drawable is specified
+by the provided picture format.</p>
+<p>Note: If <em class="parameter"><code>drawable</code></em>
+ is a Window, then the function
+<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-set-size" title="cairo_xlib_surface_set_size ()"><code class="function">cairo_xlib_surface_set_size()</code></a> must be called whenever the size of the
+window changes.</p>
+<div class="refsect3">
+<a name="cairo-xlib-surface-create-with-xrender-format.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" 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>dpy</p></td>
+<td class="parameter_description"><p>an X Display</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>drawable</p></td>
+<td class="parameter_description"><p>an X Drawable, (a Pixmap or a Window)</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>screen</p></td>
+<td class="parameter_description"><p>the X Screen associated with <em class="parameter"><code>drawable</code></em>
+</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>format</p></td>
+<td class="parameter_description"><p>the picture format to use for drawing to <em class="parameter"><code>drawable</code></em>
+. The depth
+of <em class="parameter"><code>format</code></em>
+must match the depth of the drawable.</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>width</p></td>
+<td class="parameter_description"><p>the current width of <em class="parameter"><code>drawable</code></em>
+.</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+<tr>
+<td class="parameter_name"><p>height</p></td>
+<td class="parameter_description"><p>the current height of <em class="parameter"><code>drawable</code></em>
+.</p></td>
+<td class="parameter_annotations"> </td>
+</tr>
+</tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="cairo-xlib-surface-create-with-xrender-format.returns"></a><h4>Returns</h4>
+<p> the newly created surface</p>
+</div>
+<p class="since">Since: 1.0</p>
+</div>
+<hr>
+<div class="refsect2">
+<a name="cairo-xlib-surface-get-xrender-format"></a><h3>cairo_xlib_surface_get_xrender_format ()</h3>
+<pre class="programlisting"><span class="returnvalue">XRenderPictFormat</span> *
+cairo_xlib_surface_get_xrender_format (<em class="parameter"><code><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> *surface</code></em>);</pre>
+<p>Gets the X Render picture format that <em class="parameter"><code>surface</code></em>
+ uses for rendering with the
+X Render extension. If the surface was created by
+<a class="link" href="cairo-XLib-XRender-Backend.html#cairo-xlib-surface-create-with-xrender-format" title="cairo_xlib_surface_create_with_xrender_format ()"><code class="function">cairo_xlib_surface_create_with_xrender_format()</code></a> originally, the return
+value is the format passed to that constructor.</p>
+<div class="refsect3">
+<a name="cairo-xlib-surface-get-xrender-format.parameters"></a><h4>Parameters</h4>
+<div class="informaltable"><table class="informaltable" 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>surface</p></td>
+<td class="parameter_description"><p>an xlib surface</p></td>
+<td class="parameter_annotations"> </td>
+</tr></tbody>
+</table></div>
+</div>
+<div class="refsect3">
+<a name="cairo-xlib-surface-get-xrender-format.returns"></a><h4>Returns</h4>
+<p> the XRenderPictFormat* associated with <em class="parameter"><code>surface</code></em>
+,
+or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the surface is not an xlib surface
+or if the X Render extension is not available.</p>
+</div>
+<p class="since">Since: 1.6</p>
+</div>
+</div>
+<div class="refsect1">
+<a name="cairo-XLib-XRender-Backend.other_details"></a><h2>Types and Values</h2>
+<div class="refsect2">
+<a name="CAIRO-HAS-XLIB-XRENDER-SURFACE:CAPS"></a><h3>CAIRO_HAS_XLIB_XRENDER_SURFACE</h3>
+<pre class="programlisting">#define CAIRO_HAS_XLIB_XRENDER_SURFACE 1
+</pre>
+<p>Defined if the XLib/XRender surface functions are available.
+This macro can be used to conditionally compile backend-specific code.</p>
+<p class="since">Since: 1.6</p>
+</div>
+</div>
+<div class="refsect1">
+<a name="cairo-XLib-XRender-Backend.see-also"></a><h2>See Also</h2>
+<p><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a></p>
+</div>
+</div>
+<div class="footer">
+<hr>Generated by GTK-Doc V1.27</div>
+</body>
+</html>
+\ No newline at end of file
author	sanine <sanine.not@pm.me>	2022-10-12 12:03:23 -0500
committer	sanine <sanine.not@pm.me>	2022-10-12 12:03:23 -0500
commit	530ffd0b7d3c39757b20f00716e486b5caf89aff (patch)
tree	76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/doc/public/html/cairo-XLib-XRender-Backend.html
parent	3dbe9332e47c143a237db12440f134caebd1cfbe (diff)