<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Computes the area inside the current clip</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="cairocontext.clip.html">CairoContext::clip</a></div>
<div class="next" style="text-align: right; float: right;"><a href="cairocontext.clippreserve.html">CairoContext::clipPreserve</a></div>
<div class="up"><a href="class.cairocontext.html">CairoContext</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="cairocontext.clipextents" class="refentry">
<div class="refnamediv">
<h1 class="refname">CairoContext::clipExtents</h1>
<h1 class="refname">cairo_clip_extents</h1>
<p class="verinfo">(PECL cairo >= 0.1.0)</p><p class="refpurpose"><span class="refname">CairoContext::clipExtents</span> -- <span class="refname">cairo_clip_extents</span> — <span class="dc-title">Computes the area inside the current clip</span></p>
</div>
<div class="refsect1 description" id="refsect1-cairocontext.clipextents-description">
<h3 class="title">Description</h3>
<p class="para">Object oriented style (method):</p>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">array</span> <span class="methodname"><strong>CairoContext::clipExtents</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">Procedural style:</p>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>cairo_clip_extents</strong></span>
( <span class="methodparam"><span class="type"><a href="class.cairocontext.html" class="type CairoContext">CairoContext</a></span> <code class="parameter">$context</code></span>
)</div>
<p class="para rdfs-comment">
Computes a bounding box in user coordinates covering the area inside the current clip.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-cairocontext.clipextents-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">context</code></em></span>
<dd>
<p class="para">
A valid CairoContext object
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-cairocontext.clipextents-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
An array containing the (float)x1, (float)y1, (float)x2, (float)y2, coordinates covering the area inside the current clip
</p>
</div>
<div class="refsect1 examples" id="refsect1-cairocontext.clipextents-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-2854">
<p><strong>Example #1 Object oriented style</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$surface </span><span style="color: #007700">= new </span><span style="color: #0000BB">CairoImageSurface</span><span style="color: #007700">(</span><span style="color: #0000BB">CairoFormat</span><span style="color: #007700">::</span><span style="color: #0000BB">ARGB32</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$context </span><span style="color: #007700">= new </span><span style="color: #0000BB">CairoContext</span><span style="color: #007700">(</span><span style="color: #0000BB">$surface</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$context</span><span style="color: #007700">-></span><span style="color: #0000BB">clipExtents</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
array(4) {
[0]=>
float(0)
[1]=>
float(0)
[2]=>
float(50)
[3]=>
float(50)
}
</pre></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-2855">
<p><strong>Example #2 Procedural style</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$surface </span><span style="color: #007700">= </span><span style="color: #0000BB">cairo_image_surface_create</span><span style="color: #007700">(</span><span style="color: #0000BB">CAIRO_FORMAT_ARGB32</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">, </span><span style="color: #0000BB">50</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$context </span><span style="color: #007700">= </span><span style="color: #0000BB">cairo_create</span><span style="color: #007700">(</span><span style="color: #0000BB">$surface</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">cairo_clip_extents</span><span style="color: #007700">(</span><span style="color: #0000BB">$context</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output
something similar to:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
array(4) {
[0]=>
float(0)
[1]=>
float(0)
[2]=>
float(50)
[3]=>
float(50)
}
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-cairocontext.clipextents-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="cairocontext.clip.html" class="methodname" rel="rdfs-seeAlso">CairoContext::clip()</a> - Establishes a new clip region</span></li>
</ul>
</p>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="cairocontext.clip.html">CairoContext::clip</a></div>
<div class="next" style="text-align: right; float: right;"><a href="cairocontext.clippreserve.html">CairoContext::clipPreserve</a></div>
<div class="up"><a href="class.cairocontext.html">CairoContext</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
