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<title>Applies scaling to a matrix</title>
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<h1 class="refname">CairoMatrix::scale</h1>
<h1 class="refname">cairo_matrix_scale</h1>
<p class="verinfo">(PECL cairo >= 0.1.0)</p><p class="refpurpose"><span class="refname">CairoMatrix::scale</span> -- <span class="refname">cairo_matrix_scale</span> — <span class="dc-title">Applies scaling to a matrix</span></p>
</div>
<div class="refsect1 description" id="refsect1-cairomatrix.scale-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"><span class="type void">void</span></span> <span class="methodname"><strong>CairoMatrix::scale</strong></span>
( <span class="methodparam"><span class="type">float</span> <code class="parameter">$sx</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$sy</code></span>
)</div>
<p class="para rdfs-comment">Procedural style:</p>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>cairo_matrix_scale</strong></span>
( <span class="methodparam"><span class="type"><a href="class.cairocontext.html" class="type CairoContext">CairoContext</a></span> <code class="parameter">$context</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$sx</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$sy</code></span>
)</div>
<p class="para rdfs-comment">
Applies scaling by sx, sy to the transformation in the matrix. The effect of
the new transformation is to first scale the coordinates by sx and sy, then
apply the original transformation to the coordinates.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-cairomatrix.scale-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">matrix</code></em></span>
<dd>
<p class="para">
Procedural only - CairoMatrix instance
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">sx</code></em></span>
<dd>
<p class="para">
scale factor in the X direction
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">sy</code></em></span>
<dd>
<p class="para">
scale factor in the Y direction
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 examples" id="refsect1-cairomatrix.scale-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3156">
<p><strong>Example #1 Object oriented style</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Apply scaling to a matrix */<br /></span><span style="color: #0000BB">$matrix </span><span style="color: #007700">= new </span><span style="color: #0000BB">CairoMatrix</span><span style="color: #007700">(</span><span style="color: #0000BB">1.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.5</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">, </span><span style="color: #0000BB">1.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$matrix</span><span style="color: #007700">-></span><span style="color: #0000BB">scale</span><span style="color: #007700">(</span><span style="color: #0000BB">0.2</span><span style="color: #007700">, </span><span style="color: #0000BB">2.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-3157">
<p><strong>Example #2 Procedural style</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Apply scaling to a matrix */<br /></span><span style="color: #0000BB">$matrix </span><span style="color: #007700">= </span><span style="color: #0000BB">cairo_matrix_init</span><span style="color: #007700">(</span><span style="color: #0000BB">1.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.5</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">, </span><span style="color: #0000BB">1.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cairo_matrix_scale</span><span style="color: #007700">(</span><span style="color: #0000BB">$matrix</span><span style="color: #007700">, </span><span style="color: #0000BB">0.2</span><span style="color: #007700">, </span><span style="color: #0000BB">2.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-cairomatrix.scale-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="cairomatrix.initscale.html" class="methodname" rel="rdfs-seeAlso">CairoMatrix::initScale()</a> - Creates a new scaling matrix</span></li>
</ul>
</p>
</div>
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