javascript
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tentone.escher.js
mirror de https://github.com/tentone/escher.js.git


			
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							<!DOCTYPE html>
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<head>
    <meta charset="utf-8">
    <title>JSDoc: Class: Matrix</title>

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    <h1 class="page-title">Class: Matrix</h1>

    
<section>

<header>
    
        <h2><span class="attribs"><span class="type-signature"></span></span>Matrix<span class="signature">(values<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h2>
        
    
</header>

<article>
    <div class="container-overview">
    
        
    <h4 class="name" id="Matrix"><span class="type-signature"></span>new Matrix<span class="signature">(values<span class="signature-attributes">opt</span>)</span><span class="type-signature"></span></h4>
    

<div class="description">
    2D 3x2 transformation matrix, applied to the canvas elements.

The values of the matrix are stored in a numeric array.
</div>


    <h5>Parameters:</h5>
    

<table class="params">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th>Attributes</th>
        

        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>values</code></td>
            

            <td class="type">
            
                
<span class="param-type">array</span>


            </td>

            
                <td class="attributes">
                
                    &lt;optional><br>
                

                </td>
            

            <td class="description last"></td>
        </tr>

    
    </tbody>
</table>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line13">line 13</a>
    </li></ul></dd>
    

</dl>


    </div>

    
        <h3 class="subsection-title">Methods</h3>

        
    <h4 class="name" id="clone"><span class="type-signature"></span>clone<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Create a new matrix object with a copy of the content of this one.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line36">line 36</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="compose"><span class="type-signature"></span>compose<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Compose this transformation matrix with position scale and rotation and origin point.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line86">line 86</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="copy"><span class="type-signature"></span>copy<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Copy the content of another matrix and store in this one.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line28">line 28</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="determinant"><span class="type-signature"></span>determinant<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Get the matrix determinant.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line185">line 185</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="getInverse"><span class="type-signature"></span>getInverse<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Get the inverse matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line193">line 193</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="getPosition"><span class="type-signature"></span>getPosition<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Get the position from the transformation matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line169">line 169</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="getScale"><span class="type-signature"></span>getScale<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Get the scale from the transformation matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line161">line 161</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="identity"><span class="type-signature"></span>identity<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Reset this matrix to indentity.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line44">line 44</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="multiply"><span class="type-signature"></span>multiply<span class="signature">(mat)</span><span class="type-signature"></span></h4>
    

<div class="description">
    Multiply another matrix by this one and store the result.
</div>


    <h5>Parameters:</h5>
    

<table class="params">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>mat</code></td>
            

            <td class="type">
            
            </td>

            
            <td class="description last">Matrix array.</td>
        </tr>

    
    </tbody>
</table>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line54">line 54</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="premultiply"><span class="type-signature"></span>premultiply<span class="signature">(mat)</span><span class="type-signature"></span></h4>
    

<div class="description">
    Premultiply another matrix by this one and store the result.
</div>


    <h5>Parameters:</h5>
    

<table class="params">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>mat</code></td>
            

            <td class="type">
            
            </td>

            
            <td class="description last">Matrix array to multiply.</td>
        </tr>

    
    </tbody>
</table>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line71">line 71</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="rotate"><span class="type-signature"></span>rotate<span class="signature">(angle)</span><span class="type-signature"></span></h4>
    

<div class="description">
    Apply rotation to this matrix.
</div>


    <h5>Parameters:</h5>
    

<table class="params">
    <thead>
    <tr>
        
        <th>Name</th>
        

        <th>Type</th>

        
        <th class="last">Description</th>
    </tr>
    </thead>

    <tbody>
    

        <tr>
            
                <td class="name"><code>angle</code></td>
            

            <td class="type">
            
            </td>

            
            <td class="description last">Angle in radians.</td>
        </tr>

    
    </tbody>
</table>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line122">line 122</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="scale"><span class="type-signature"></span>scale<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Apply scale to this matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line141">line 141</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="setContextTransform"><span class="type-signature"></span>setContextTransform<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Set a canvas context to use this transformation.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line214">line 214</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="setPosition"><span class="type-signature"></span>setPosition<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Set the position of the transformation matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line152">line 152</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="skew"><span class="type-signature"></span>skew<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Apply skew to this matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line177">line 177</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="tranformContext"><span class="type-signature"></span>tranformContext<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Transform on top of the current context transformation.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line222">line 222</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="transformPoint"><span class="type-signature"></span>transformPoint<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Transform a point using this matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line203">line 203</a>
    </li></ul></dd>
    

</dl>


    <h4 class="name" id="translate"><span class="type-signature"></span>translate<span class="signature">()</span><span class="type-signature"></span></h4>
    

<div class="description">
    Apply translation to this matrix.
</div>


<dl class="details">

    
    <dt class="tag-source">Source:</dt>
    <dd class="tag-source"><ul class="dummy"><li>
        <a href="math_Matrix.js.html">math/Matrix.js</a>, <a href="math_Matrix.js.html#line111">line 111</a>
    </li></ul></dd>
    

</dl>


</article>

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