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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/svgmatrix | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/svgmatrix/index.html b/files/zh-cn/web/api/svgmatrix/index.html new file mode 100644 index 0000000000..998987d6e0 --- /dev/null +++ b/files/zh-cn/web/api/svgmatrix/index.html @@ -0,0 +1,95 @@ +--- +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> |