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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: SVGMatrix
+slug: Web/API/SVGMatrix
+translation_of: Web/API/SVGMatrix
+---
+<div>{{APIRef("SVG")}}{{deprecated_header}}</div>
+
+<p>Many of SVG's graphics operations utilize 2x3 matrices of the form:</p>
+
+<pre class="brush:plain">[a c e]
+[b d f]</pre>
+
+<p>which, when expanded into a 3x3 matrix for the purposes of matrix arithmetic, become:</p>
+
+<pre class="brush:plain">[a c e]
+[b d f]
+[0 0 1]
+</pre>
+
+<p>An <strong><code>SVGMatrix</code></strong> object can be designated as read only, which means that attempts to modify the object will result in an exception being thrown.</p>
+
+<div class="warning">
+<p><strong>Warning:</strong> SVG 2 replaced the <code>SVGMatrix</code> interface by the more general {{domxref("DOMMatrix")}} and {{domxref("DOMMatrixReadOnly")}} interfaces.</p>
+</div>
+
+<h2 id="Properties">Properties</h2>
+
+<dl>
+ <dt>{{domxref("SVGMatrix.a")}}</dt>
+ <dd>A float representing the <em>a</em> component of the matrix.</dd>
+ <dt>{{domxref("SVGMatrix.b")}}</dt>
+ <dd>A float representing the <em>b</em> component of the matrix.</dd>
+ <dt>{{domxref("SVGMatrix.c")}}</dt>
+ <dd>A float representing the <em>c</em> component of the matrix.</dd>
+ <dt>{{domxref("SVGMatrix.d")}}</dt>
+ <dd>A float representing the <em>d</em> component of the matrix.</dd>
+ <dt>{{domxref("SVGMatrix.e")}}</dt>
+ <dd>A float representing the <em>e</em> component of the matrix.</dd>
+ <dt>{{domxref("SVGMatrix.f")}}</dt>
+ <dd>A float representing the <em>f</em> component of the matrix.</dd>
+</dl>
+
+<h2 id="Methods">Methods</h2>
+
+<dl>
+ <dt>{{domxref("SVGMatrix.multiply()")}}</dt>
+ <dd>Performs matrix multiplication. This matrix is post-multiplied by another matrix, returning the resulting new matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.inverse()")}}</dt>
+ <dd>Returns the inverse matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.translate()")}}</dt>
+ <dd>Post-multiplies a translation transformation on the current matrix and returns the resulting matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.scale()")}}</dt>
+ <dd>Post-multiplies a uniform scale transformation on the current matrix and returns the resulting matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.scaleNonUniform()")}}</dt>
+ <dd>Post-multiplies a non-uniform scale transformation on the current matrix and returns the resulting matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.rotate()")}}</dt>
+ <dd>Post-multiplies a rotation transformation on the current matrix and returns the resulting matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.rotateFromVector()")}}</dt>
+ <dd>Post-multiplies a rotation transformation on the current matrix and returns the resulting matrix as <code>SVGMatrix</code>. The rotation angle is determined by taking (+/-) atan(y/x). The direction of the vector (x, y) determines whether the positive or negative angle value is used.</dd>
+ <dt>{{domxref("SVGMatrix.flipX()")}}</dt>
+ <dd>Post-multiplies the transformation [-1 0 0 1 0 0] and returns the resulting matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.flipY()")}}</dt>
+ <dd>Post-multiplies the transformation [1 0 0 -1 0 0] and returns the resulting matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.skewX()")}}</dt>
+ <dd>Post-multiplies a skewX transformation on the current matrix and returns the resulting matrix as <code>SVGMatrix</code>.</dd>
+ <dt>{{domxref("SVGMatrix.skewY()")}}</dt>
+ <dd>Post-multiplies a skewY transformation on the current matrix and returns the resulting matrix as <code>SVGMatrix</code>.</dd>
+</dl>
+
+<h2 id="Exceptions">Exceptions</h2>
+
+<p>A {{domxref("DOMException")}} with the code <code>NO_MODIFICATION_ALLOWED_ERR</code> is raised when attempting updating a read-only attribute or when the object itself is read-only.</p>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName("SVG1.1", "coords.html#InterfaceSVGMatrix", "SVGMatrix")}}</td>
+ <td>{{Spec2("SVG1.1")}}</td>
+ <td>Initial definition</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+
+
+<p>{{Compat("api.SVGMatrix")}}</p>