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diff --git a/libs/cairo-1.16.0/doc/public/html/cairo-XLib-Surfaces.html b/libs/cairo-1.16.0/doc/public/html/cairo-XLib-Surfaces.html new file mode 100644 index 0000000..4d97cb1 --- /dev/null +++ b/libs/cairo-1.16.0/doc/public/html/cairo-XLib-Surfaces.html @@ -0,0 +1,713 @@ +<!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 Surfaces: 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"> +<link rel="prev" href="cairo-XCB-Surfaces.html" title="XCB Surfaces"> +<link rel="next" href="cairo-XLib-XRender-Backend.html" title="XLib-XRender Backend"> +<meta name="generator" content="GTK-Doc V1.27 (XML mode)"> +<link rel="stylesheet" href="style.css" type="text/css"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<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-Surfaces.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> +<td><a accesskey="u" href="cairo-surfaces.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> +<td><a accesskey="p" href="cairo-XCB-Surfaces.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> +<td><a accesskey="n" href="cairo-XLib-XRender-Backend.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> +</tr></table> +<div class="refentry"> +<a name="cairo-XLib-Surfaces"></a><div class="titlepage"></div> +<div class="refnamediv"><table width="100%"><tr> +<td valign="top"> +<h2><span class="refentrytitle"><a name="cairo-XLib-Surfaces.top_of_page"></a>XLib Surfaces</span></h2> +<p>XLib Surfaces — X Window System rendering using XLib</p> +</td> +<td class="gallery_image" valign="top" align="right"></td> +</tr></table></div> +<div class="refsect1"> +<a name="cairo-XLib-Surfaces.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-Surfaces.html#cairo-xlib-surface-create" title="cairo_xlib_surface_create ()">cairo_xlib_surface_create</a> <span class="c_punctuation">()</span> +</td> +</tr> +<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-Surfaces.html#cairo-xlib-surface-create-for-bitmap" title="cairo_xlib_surface_create_for_bitmap ()">cairo_xlib_surface_create_for_bitmap</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-set-size" title="cairo_xlib_surface_set_size ()">cairo_xlib_surface_set_size</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">Display</span> * +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-get-display" title="cairo_xlib_surface_get_display ()">cairo_xlib_surface_get_display</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">Screen</span> * +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-get-screen" title="cairo_xlib_surface_get_screen ()">cairo_xlib_surface_get_screen</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-set-drawable" title="cairo_xlib_surface_set_drawable ()">cairo_xlib_surface_set_drawable</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">Drawable</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-get-drawable" title="cairo_xlib_surface_get_drawable ()">cairo_xlib_surface_get_drawable</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">Visual</span> * +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-get-visual" title="cairo_xlib_surface_get_visual ()">cairo_xlib_surface_get_visual</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">int</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-get-width" title="cairo_xlib_surface_get_width ()">cairo_xlib_surface_get_width</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">int</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-get-height" title="cairo_xlib_surface_get_height ()">cairo_xlib_surface_get_height</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">int</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-get-depth" title="cairo_xlib_surface_get_depth ()">cairo_xlib_surface_get_depth</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-device-debug-cap-xrender-version" title="cairo_xlib_device_debug_cap_xrender_version ()">cairo_xlib_device_debug_cap_xrender_version</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">int</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-device-debug-get-precision" title="cairo_xlib_device_debug_get_precision ()">cairo_xlib_device_debug_get_precision</a> <span class="c_punctuation">()</span> +</td> +</tr> +<tr> +<td class="function_type"> +<span class="returnvalue">void</span> +</td> +<td class="function_name"> +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-device-debug-set-precision" title="cairo_xlib_device_debug_set_precision ()">cairo_xlib_device_debug_set_precision</a> <span class="c_punctuation">()</span> +</td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect1"> +<a name="cairo-XLib-Surfaces.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-Surfaces.html#CAIRO-HAS-XLIB-SURFACE:CAPS" title="CAIRO_HAS_XLIB_SURFACE">CAIRO_HAS_XLIB_SURFACE</a></td> +</tr></tbody> +</table></div> +</div> +<div class="refsect1"> +<a name="cairo-XLib-Surfaces.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 library.</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-Surfaces.functions_details"></a><h2>Functions</h2> +<div class="refsect2"> +<a name="cairo-xlib-surface-create"></a><h3>cairo_xlib_surface_create ()</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 (<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">Visual</span> *visual</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 visual.</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> +<p>When <em class="parameter"><code>drawable</code></em> + is a Window containing child windows then drawing to +the created surface will be clipped by those child windows. When +the created surface is used as a source, the contents of the +children will be included.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-create.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>visual</p></td> +<td class="parameter_description"><p>the visual to use for drawing to <em class="parameter"><code>drawable</code></em> +. The depth +of the visual must match the depth of the drawable. +Currently, only TrueColor visuals are fully supported.</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.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-create-for-bitmap"></a><h3>cairo_xlib_surface_create_for_bitmap ()</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_for_bitmap (<em class="parameter"><code><span class="type">Display</span> *dpy</code></em>, + <em class="parameter"><code><span class="type">Pixmap</span> bitmap</code></em>, + <em class="parameter"><code><span class="type">Screen</span> *screen</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 bitmap. +This will be drawn to as a <a class="link" href="cairo-Image-Surfaces.html#CAIRO-FORMAT-A1:CAPS"><code class="literal">CAIRO_FORMAT_A1</code></a> object.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-create-for-bitmap.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>bitmap</p></td> +<td class="parameter_description"><p>an X Drawable, (a depth-1 Pixmap)</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>bitmap</code></em> +</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>bitmap</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>bitmap</code></em> +.</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-surface-create-for-bitmap.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-set-size"></a><h3>cairo_xlib_surface_set_size ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +cairo_xlib_surface_set_size (<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>, + <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>Informs cairo of the new size of the X Drawable underlying the +surface. For a surface created for a Window (rather than a Pixmap), +this function must be called each time the size of the window +changes. (For a subwindow, you are normally resizing the window +yourself, but for a toplevel window, it is necessary to listen for +ConfigureNotify events.)</p> +<p>A Pixmap can never change size, so it is never necessary to call +this function on a surface created for a Pixmap.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-set-size.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>a <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> for the XLib backend</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>width</p></td> +<td class="parameter_description"><p>the new width of the surface</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>height</p></td> +<td class="parameter_description"><p>the new height of the surface</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<p class="since">Since: 1.0</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-surface-get-display"></a><h3>cairo_xlib_surface_get_display ()</h3> +<pre class="programlisting"><span class="returnvalue">Display</span> * +cairo_xlib_surface_get_display (<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>Get the X Display for the underlying X Drawable.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-display.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>a <span class="type">cairo_xlib_surface_t</span></p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-display.returns"></a><h4>Returns</h4> +<p> the display.</p> +</div> +<p class="since">Since: 1.2</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-surface-get-screen"></a><h3>cairo_xlib_surface_get_screen ()</h3> +<pre class="programlisting"><span class="returnvalue">Screen</span> * +cairo_xlib_surface_get_screen (<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>Get the X Screen for the underlying X Drawable.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-screen.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>a <span class="type">cairo_xlib_surface_t</span></p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-screen.returns"></a><h4>Returns</h4> +<p> the screen.</p> +</div> +<p class="since">Since: 1.2</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-surface-set-drawable"></a><h3>cairo_xlib_surface_set_drawable ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +cairo_xlib_surface_set_drawable (<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>, + <em class="parameter"><code><span class="type">Drawable</span> drawable</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>Informs cairo of a new X Drawable underlying the +surface. The drawable must match the display, screen +and format of the existing drawable or the application +will get X protocol errors and will probably terminate. +No checks are done by this function to ensure this +compatibility.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-set-drawable.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>a <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> for the XLib backend</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>drawable</p></td> +<td class="parameter_description"><p>the new drawable for the surface</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>width</p></td> +<td class="parameter_description"><p>the width of the new drawable</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>height</p></td> +<td class="parameter_description"><p>the height of the new drawable</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<p class="since">Since: 1.0</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-surface-get-drawable"></a><h3>cairo_xlib_surface_get_drawable ()</h3> +<pre class="programlisting"><span class="returnvalue">Drawable</span> +cairo_xlib_surface_get_drawable (<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>Get the underlying X Drawable used for the surface.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-drawable.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>a <span class="type">cairo_xlib_surface_t</span></p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-drawable.returns"></a><h4>Returns</h4> +<p> the drawable.</p> +</div> +<p class="since">Since: 1.2</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-surface-get-visual"></a><h3>cairo_xlib_surface_get_visual ()</h3> +<pre class="programlisting"><span class="returnvalue">Visual</span> * +cairo_xlib_surface_get_visual (<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 Visual associated with <em class="parameter"><code>surface</code></em> +, suitable for use with the +underlying X Drawable. If <em class="parameter"><code>surface</code></em> + was created by +<a class="link" href="cairo-XLib-Surfaces.html#cairo-xlib-surface-create" title="cairo_xlib_surface_create ()"><code class="function">cairo_xlib_surface_create()</code></a>, the return value is the Visual passed to that +constructor.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-visual.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>a <span class="type">cairo_xlib_surface_t</span></p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-visual.returns"></a><h4>Returns</h4> +<p> the Visual or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there is no appropriate Visual for +<em class="parameter"><code>surface</code></em> +.</p> +</div> +<p class="since">Since: 1.2</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-surface-get-width"></a><h3>cairo_xlib_surface_get_width ()</h3> +<pre class="programlisting"><span class="returnvalue">int</span> +cairo_xlib_surface_get_width (<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>Get the width of the X Drawable underlying the surface in pixels.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-width.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>a <span class="type">cairo_xlib_surface_t</span></p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-width.returns"></a><h4>Returns</h4> +<p> the width of the surface in pixels.</p> +</div> +<p class="since">Since: 1.2</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-surface-get-height"></a><h3>cairo_xlib_surface_get_height ()</h3> +<pre class="programlisting"><span class="returnvalue">int</span> +cairo_xlib_surface_get_height (<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>Get the height of the X Drawable underlying the surface in pixels.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-height.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>a <span class="type">cairo_xlib_surface_t</span></p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-height.returns"></a><h4>Returns</h4> +<p> the height of the surface in pixels.</p> +</div> +<p class="since">Since: 1.2</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-surface-get-depth"></a><h3>cairo_xlib_surface_get_depth ()</h3> +<pre class="programlisting"><span class="returnvalue">int</span> +cairo_xlib_surface_get_depth (<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>Get the number of bits used to represent each pixel value.</p> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-depth.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>a <span class="type">cairo_xlib_surface_t</span></p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-surface-get-depth.returns"></a><h4>Returns</h4> +<p> the depth of the surface in bits.</p> +</div> +<p class="since">Since: 1.2</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-device-debug-cap-xrender-version"></a><h3>cairo_xlib_device_debug_cap_xrender_version ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +cairo_xlib_device_debug_cap_xrender_version + (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>, + <em class="parameter"><code><span class="type">int</span> major_version</code></em>, + <em class="parameter"><code><span class="type">int</span> minor_version</code></em>);</pre> +<p>Restricts all future Xlib surfaces for this devices to the specified version +of the RENDER extension. This function exists solely for debugging purpose. +It lets you find out how cairo would behave with an older version of +the RENDER extension.</p> +<p>Use the special values -1 and -1 for disabling the RENDER extension.</p> +<div class="refsect3"> +<a name="cairo-xlib-device-debug-cap-xrender-version.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>device</p></td> +<td class="parameter_description"><p>a <a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> for the Xlib backend</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>major_version</p></td> +<td class="parameter_description"><p>major version to restrict to</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>minor_version</p></td> +<td class="parameter_description"><p>minor version to restrict to</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<p class="since">Since: 1.12</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-device-debug-get-precision"></a><h3>cairo_xlib_device_debug_get_precision ()</h3> +<pre class="programlisting"><span class="returnvalue">int</span> +cairo_xlib_device_debug_get_precision (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>);</pre> +<p>Get the Xrender precision mode.</p> +<div class="refsect3"> +<a name="cairo-xlib-device-debug-get-precision.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>device</p></td> +<td class="parameter_description"><p>a <a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> for the Xlib backend</p></td> +<td class="parameter_annotations"> </td> +</tr></tbody> +</table></div> +</div> +<div class="refsect3"> +<a name="cairo-xlib-device-debug-get-precision.returns"></a><h4>Returns</h4> +<p> the render precision mode</p> +</div> +<p class="since">Since: 1.12</p> +</div> +<hr> +<div class="refsect2"> +<a name="cairo-xlib-device-debug-set-precision"></a><h3>cairo_xlib_device_debug_set_precision ()</h3> +<pre class="programlisting"><span class="returnvalue">void</span> +cairo_xlib_device_debug_set_precision (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>, + <em class="parameter"><code><span class="type">int</span> precision</code></em>);</pre> +<p>Render supports two modes of precision when rendering trapezoids. Set +the precision to the desired mode.</p> +<div class="refsect3"> +<a name="cairo-xlib-device-debug-set-precision.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>device</p></td> +<td class="parameter_description"><p>a <a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> for the Xlib backend</p></td> +<td class="parameter_annotations"> </td> +</tr> +<tr> +<td class="parameter_name"><p>precision</p></td> +<td class="parameter_description"><p>the precision to use</p></td> +<td class="parameter_annotations"> </td> +</tr> +</tbody> +</table></div> +</div> +<p class="since">Since: 1.12</p> +</div> +</div> +<div class="refsect1"> +<a name="cairo-XLib-Surfaces.other_details"></a><h2>Types and Values</h2> +<div class="refsect2"> +<a name="CAIRO-HAS-XLIB-SURFACE:CAPS"></a><h3>CAIRO_HAS_XLIB_SURFACE</h3> +<pre class="programlisting">#define CAIRO_HAS_XLIB_SURFACE 1 +</pre> +<p>Defined if the Xlib surface backend is available. +This macro can be used to conditionally compile backend-specific code.</p> +<p class="since">Since: 1.0</p> +</div> +</div> +<div class="refsect1"> +<a name="cairo-XLib-Surfaces.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>
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