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<title>Creates a new CairoMatrix object</title>
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<h1 class="refname">CairoMatrix::__construct</h1>
<h1 class="refname">cairo_matrix_init</h1>
<p class="verinfo">(PECL cairo >= 0.1.0)</p><p class="refpurpose"><span class="refname">CairoMatrix::__construct</span> -- <span class="refname">cairo_matrix_init</span> — <span class="dc-title">Creates a new CairoMatrix object</span></p>
</div>
<div class="refsect1 description" id="refsect1-cairomatrix.construct-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="methodname"><strong>CairoMatrix::__construct</strong></span>
([ <span class="methodparam"><span class="type">float</span> <code class="parameter">$xx</code><span class="initializer"> = 1.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$yx</code><span class="initializer"> = 0.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$xy</code><span class="initializer"> = 0.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$yy</code><span class="initializer"> = 1.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$x0</code><span class="initializer"> = 0.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$y0</code><span class="initializer"> = 0.0</span></span>
]]]]]] )</div>
<p class="para rdfs-comment">Procedural style:</p>
<div class="methodsynopsis dc-description">
<span class="type">object</span> <span class="methodname"><strong>cairo_matrix_init</strong></span>
([ <span class="methodparam"><span class="type">float</span> <code class="parameter">$xx</code><span class="initializer"> = 1.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$yx</code><span class="initializer"> = 0.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$xy</code><span class="initializer"> = 0.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$yy</code><span class="initializer"> = 1.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$x0</code><span class="initializer"> = 0.0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$y0</code><span class="initializer"> = 0.0</span></span>
]]]]]] )</div>
<p class="para rdfs-comment">
Returns new CairoMatrix object. Matrices are used throughout cairo to convert between different coordinate spaces.
Sets matrix to be the affine transformation given by xx, yx, xy, yy, x0, y0. The transformation is given by:
x_new = xx * x + xy * y + x0; and y_new = yx * x + yy * y + y0;
</p>
</div>
<div class="refsect1 parameters" id="refsect1-cairomatrix.construct-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">xx</code></em></span>
<dd>
<p class="para">
xx component of the affine transformation
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">yx</code></em></span>
<dd>
<p class="para">
yx component of the affine transformation
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">xy</code></em></span>
<dd>
<p class="para">
xy component of the affine transformation
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">yy</code></em></span>
<dd>
<p class="para">
yy component of the affine transformation
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">x0</code></em></span>
<dd>
<p class="para">
X translation component of the affine transformation
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">y0</code></em></span>
<dd>
<p class="para">
Y translation component of the affine transformation
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-cairomatrix.construct-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns a new CairoMatrix object that can be used with surfaces, contexts, and patterns.
</p>
</div>
<div class="refsect1 examples" id="refsect1-cairomatrix.construct-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-3142">
<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">/* Create a new Matrix */<br /></span><span style="color: #0000BB">$matrix </span><span style="color: #007700">= new </span><span style="color: #0000BB">CairoMatrix</span><span style="color: #007700">(</span><span style="color: #0000BB">1.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.5</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">, </span><span style="color: #0000BB">1.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">, </span><span style="color: #0000BB">0.0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-3143">
<p><strong>Example #2 Procedural style</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Create a new Matrix */<br /></span><span style="color: #0000BB">$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">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-cairomatrix.construct-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="methodname"><a href="cairomatrix.initidentity.html" class="methodname" rel="rdfs-seeAlso">CairoMatrix::initIdentity()</a> - Creates a new identity matrix</span></li>
<li class="member"> <span class="methodname"><a href="cairomatrix.initrotate.html" class="methodname" rel="rdfs-seeAlso">CairoMatrix::initRotate()</a> - Creates a new rotated matrix</span></li>
<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>
<li class="member"> <span class="methodname"><a href="cairomatrix.inittranslate.html" class="methodname" rel="rdfs-seeAlso">CairoMatrix::initTranslate()</a> - Creates a new translation matrix</span></li>
</ul>
</p>
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