788 lines
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788 lines
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<title>mxSvgCanvas (mxGraph 3.9.7 API Specification)</title>
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<div class="subTitle">com.mxgraph.canvas</div>
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<h2 title="Class mxSvgCanvas" class="title">Class mxSvgCanvas</h2>
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<ul class="inheritance">
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<li>java.lang.Object</li>
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<li>
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<ul class="inheritance">
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<li><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html" title="class in com.mxgraph.canvas">com.mxgraph.canvas.mxBasicCanvas</a></li>
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<ul class="inheritance">
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<li>com.mxgraph.canvas.mxSvgCanvas</li>
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<dt>All Implemented Interfaces:</dt>
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<dd><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></dd>
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</dl>
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<hr>
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<br>
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<pre>public class <span class="typeNameLabel">mxSvgCanvas</span>
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extends <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html" title="class in com.mxgraph.canvas">mxBasicCanvas</a></pre>
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<div class="block">An implementation of a canvas that uses SVG for painting. This canvas
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ignores the STYLE_LABEL_BACKGROUNDCOLOR and
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STYLE_LABEL_BORDERCOLOR styles due to limitations of SVG.</div>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Field and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#defs">defs</a></span></code> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>protected org.w3c.dom.Document</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#document">document</a></span></code>
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<div class="block">Holds the HTML document that represents the canvas.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#embedded">embedded</a></span></code>
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<div class="block">Specifies if images should be embedded as base64 encoded strings.</div>
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</a>
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<h3>Fields inherited from class com.mxgraph.canvas.<a href="../../../com/mxgraph/canvas/mxBasicCanvas.html" title="class in com.mxgraph.canvas">mxBasicCanvas</a></h3>
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<code><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#DEFAULT_IMAGEBASEPATH">DEFAULT_IMAGEBASEPATH</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#drawLabels">drawLabels</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#imageBasePath">imageBasePath</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#imageCache">imageCache</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#PRESERVE_IMAGE_ASPECT">PRESERVE_IMAGE_ASPECT</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#scale">scale</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#translate">translate</a></code></li>
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<h3>Constructor Summary</h3>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#mxSvgCanvas--">mxSvgCanvas</a></span>()</code>
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<div class="block">Constructs a new SVG canvas for the specified dimension and scale.</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#mxSvgCanvas-org.w3c.dom.Document-">mxSvgCanvas</a></span>(org.w3c.dom.Document document)</code>
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<div class="block">Constructs a new SVG canvas for the specified bounds, scale and
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background color.</div>
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</td>
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</tr>
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</table>
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</li>
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<h3>Method Summary</h3>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#appendSvgElement-org.w3c.dom.Element-">appendSvgElement</a></span>(org.w3c.dom.Element node)</code> </td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>protected java.lang.String</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#createDataUrl-java.lang.String-">createDataUrl</a></span>(java.lang.String src)</code> </td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>protected org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#createGradientElement-java.lang.String-java.lang.String-java.lang.String-">createGradientElement</a></span>(java.lang.String start,
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java.lang.String end,
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java.lang.String direction)</code> </td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>protected org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#createImageElement-double-double-double-double-java.lang.String-boolean-boolean-boolean-boolean-">createImageElement</a></span>(double x,
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double y,
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double w,
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double h,
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java.lang.String src,
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boolean aspect,
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boolean flipH,
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boolean flipV,
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boolean embedded)</code> </td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>java.lang.Object</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#drawCell-com.mxgraph.view.mxCellState-">drawCell</a></span>(<a href="../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a> state)</code>
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<div class="block">Draws the given cell.</div>
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</td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>java.lang.Object</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#drawLabel-java.lang.String-com.mxgraph.view.mxCellState-boolean-">drawLabel</a></span>(java.lang.String label,
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<a href="../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a> state,
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boolean html)</code>
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<div class="block">Draws the given label.</div>
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</td>
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</tr>
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<tr id="i6" class="altColor">
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<td class="colFirst"><code>org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#drawLine-java.util.List-java.util.Map-">drawLine</a></span>(java.util.List<<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a>> pts,
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java.util.Map<java.lang.String,java.lang.Object> style)</code>
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<div class="block">Draws the given lines as segments between all points of the given list
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of mxPoints.</div>
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</td>
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</tr>
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<tr id="i7" class="rowColor">
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<td class="colFirst"><code><a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#drawMarker-org.w3c.dom.Element-java.lang.Object-com.mxgraph.util.mxPoint-com.mxgraph.util.mxPoint-float-float-java.lang.String-">drawMarker</a></span>(org.w3c.dom.Element parent,
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java.lang.Object type,
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<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a> p0,
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<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a> pe,
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float size,
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float strokeWidth,
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java.lang.String color)</code>
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<div class="block">Draws the specified marker as a child path in the given parent.</div>
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</td>
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</tr>
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<tr id="i8" class="altColor">
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<td class="colFirst"><code>org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#drawShape-int-int-int-int-java.util.Map-">drawShape</a></span>(int x,
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int y,
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int w,
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int h,
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java.util.Map<java.lang.String,java.lang.Object> style)</code>
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<div class="block">Draws the shape specified with the STYLE_SHAPE key in the given style.</div>
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</td>
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</tr>
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<tr id="i9" class="rowColor">
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<td class="colFirst"><code>java.lang.Object</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#drawText-java.lang.String-int-int-int-int-java.util.Map-">drawText</a></span>(java.lang.String text,
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int x,
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int y,
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int w,
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int h,
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java.util.Map<java.lang.String,java.lang.Object> style)</code>
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<div class="block">Draws the specified text either using drawHtmlString or using drawString.</div>
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</td>
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</tr>
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<tr id="i10" class="altColor">
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<td class="colFirst"><code>protected org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#getDefsElement--">getDefsElement</a></span>()</code> </td>
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</tr>
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<tr id="i11" class="rowColor">
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<td class="colFirst"><code>org.w3c.dom.Document</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#getDocument--">getDocument</a></span>()</code>
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<div class="block">Returns a reference to the document that represents the canvas.</div>
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</td>
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</tr>
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<tr id="i12" class="altColor">
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<td class="colFirst"><code>protected org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#getEmbeddedImageElement-java.lang.String-">getEmbeddedImageElement</a></span>(java.lang.String src)</code> </td>
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</tr>
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<tr id="i13" class="rowColor">
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<td class="colFirst"><code>org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#getGlassGradientElement--">getGlassGradientElement</a></span>()</code> </td>
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</tr>
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<tr id="i14" class="altColor">
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<td class="colFirst"><code>org.w3c.dom.Element</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#getGradientElement-java.lang.String-java.lang.String-java.lang.String-">getGradientElement</a></span>(java.lang.String start,
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java.lang.String end,
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java.lang.String direction)</code> </td>
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</tr>
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<tr id="i15" class="rowColor">
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<td class="colFirst"><code>java.lang.String</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#getGradientId-java.lang.String-java.lang.String-java.lang.String-">getGradientId</a></span>(java.lang.String start,
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java.lang.String end,
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java.lang.String direction)</code> </td>
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</tr>
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<tr id="i16" class="altColor">
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<td class="colFirst"><code>protected java.io.InputStream</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#getResource-java.lang.String-">getResource</a></span>(java.lang.String src)</code> </td>
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</tr>
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<tr id="i17" class="rowColor">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#isEmbedded--">isEmbedded</a></span>()</code> </td>
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</tr>
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<tr id="i18" class="altColor">
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<td class="colFirst"><code>protected boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#isImageResource-java.lang.String-">isImageResource</a></span>(java.lang.String src)</code>
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<div class="block">Returns true if the given string ends with .png, .jpg or .gif.</div>
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</td>
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</tr>
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<tr id="i19" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#setDocument-org.w3c.dom.Document-">setDocument</a></span>(org.w3c.dom.Document document)</code> </td>
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</tr>
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<tr id="i20" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxSvgCanvas.html#setEmbedded-boolean-">setEmbedded</a></span>(boolean value)</code> </td>
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<code><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#flushImageCache--">flushImageCache</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#getImageBasePath--">getImageBasePath</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#getImageForStyle-java.util.Map-">getImageForStyle</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#getScale--">getScale</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#getTranslate--">getTranslate</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#isDrawLabels--">isDrawLabels</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#loadImage-java.lang.String-">loadImage</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#setDrawLabels-boolean-">setDrawLabels</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#setImageBasePath-java.lang.String-">setImageBasePath</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#setScale-double-">setScale</a>, <a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#setTranslate-double-double-">setTranslate</a></code></li>
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<dd><code>java.io.IOException</code></dd>
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double w,
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double h,
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java.lang.String src,
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boolean aspect,
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boolean flipH,
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boolean flipV,
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boolean embedded)</pre>
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<pre>public org.w3c.dom.Document getDocument()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>Returns the document.</dd>
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<pre>public boolean isEmbedded()</pre>
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<pre>public java.lang.Object drawCell(<a href="../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a> state)</pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../com/mxgraph/canvas/mxICanvas.html#drawCell-com.mxgraph.view.mxCellState-">mxICanvas</a></code></span></div>
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<div class="block">Draws the given cell.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>state</code> - State of the cell to be painted.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>Object that represents the cell.</dd>
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<pre>public java.lang.Object drawLabel(java.lang.String label,
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<a href="../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a> state,
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boolean html)</pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../com/mxgraph/canvas/mxICanvas.html#drawLabel-java.lang.String-com.mxgraph.view.mxCellState-boolean-">mxICanvas</a></code></span></div>
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<div class="block">Draws the given label.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>label</code> - String that represents the label.</dd>
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<dd><code>state</code> - State of the cell whose label is to be painted.</dd>
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<dd><code>html</code> - Specifies if the label contains HTML markup.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>Object that represents the label.</dd>
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<pre>public org.w3c.dom.Element drawShape(int x,
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int w,
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int h,
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java.util.Map<java.lang.String,java.lang.Object> style)</pre>
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<div class="block">Draws the shape specified with the STYLE_SHAPE key in the given style.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>x</code> - X-coordinate of the shape.</dd>
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<dd><code>y</code> - Y-coordinate of the shape.</dd>
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<dd><code>w</code> - Width of the shape.</dd>
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<dd><code>h</code> - Height of the shape.</dd>
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<dd><code>style</code> - Style of the the shape.</dd>
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<pre>public org.w3c.dom.Element drawLine(java.util.List<<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a>> pts,
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java.util.Map<java.lang.String,java.lang.Object> style)</pre>
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<div class="block">Draws the given lines as segments between all points of the given list
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of mxPoints.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>pts</code> - List of points that define the line.</dd>
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<dd><code>style</code> - Style to be used for painting the line.</dd>
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<pre>public <a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a> drawMarker(org.w3c.dom.Element parent,
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java.lang.Object type,
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<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a> p0,
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<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a> pe,
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float size,
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float strokeWidth,
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java.lang.String color)</pre>
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<div class="block">Draws the specified marker as a child path in the given parent.</div>
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<pre>public java.lang.Object drawText(java.lang.String text,
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int x,
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int y,
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int w,
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int h,
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java.util.Map<java.lang.String,java.lang.Object> style)</pre>
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<div class="block">Draws the specified text either using drawHtmlString or using drawString.</div>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>text</code> - Text to be painted.</dd>
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<dd><code>x</code> - X-coordinate of the text.</dd>
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<dd><code>y</code> - Y-coordinate of the text.</dd>
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<dd><code>w</code> - Width of the text.</dd>
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<dd><code>h</code> - Height of the text.</dd>
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<dd><code>style</code> - Style to be used for painting the text.</dd>
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</dl>
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</li>
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</ul>
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