601 lines
23 KiB
HTML
601 lines
23 KiB
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.mxgraph.canvas</a></div>
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<h2 title="Class mxImageCanvas" class="title">Class mxImageCanvas</h2>
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<div class="contentContainer">
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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>com.mxgraph.canvas.mxImageCanvas</li>
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<dt>All Implemented Interfaces:</dt>
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<dd><code><a href="mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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</dl>
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<hr>
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<pre>public class <span class="typeNameLabel">mxImageCanvas</span>
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extends java.lang.Object
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implements <a href="mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></pre>
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<div class="block">An implementation of a canvas that uses Graphics2D for painting. To use an
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image canvas for an existing graphics canvas and create an image the
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following code is used:
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<code>BufferedImage image = mxCellRenderer.createBufferedImage(graph, cells, 1, Color.white, true, null, canvas);</code></div>
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<caption><span>Fields</span><span class="tabEnd"> </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="colSecond" scope="col">Field</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected <a href="mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#canvas">canvas</a></span></code></th>
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<td class="colLast"> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>protected java.awt.image.BufferedImage</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#image">image</a></span></code></th>
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<td class="colLast"> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected java.awt.Graphics2D</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#previousGraphics">previousGraphics</a></span></code></th>
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<td class="colLast"> </td>
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</tr>
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</table>
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</li>
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</ul>
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.mxgraph.canvas.mxGraphics2DCanvas,int,int,java.awt.Color,boolean)">mxImageCanvas</a></span>​(<a href="mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a> canvas,
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int width,
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int height,
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java.awt.Color background,
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boolean antiAlias)</code></th>
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<td class="colLast"> </td>
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</tr>
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<tr class="rowColor">
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.mxgraph.canvas.mxGraphics2DCanvas,int,int,java.awt.Color,boolean,boolean)">mxImageCanvas</a></span>​(<a href="mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a> canvas,
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int width,
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int height,
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java.awt.Color background,
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boolean antiAlias,
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boolean textAntiAlias)</code></th>
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<td class="colLast"> </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">
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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="colSecond" scope="col">Method</th>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>java.awt.image.BufferedImage</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#destroy()">destroy</a></span>()</code></th>
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<td class="colLast"> </td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>java.lang.Object</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#drawCell(com.mxgraph.view.mxCellState)">drawCell</a></span>​(<a href="../view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a> state)</code></th>
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<td class="colLast">
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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="i2" class="altColor">
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<td class="colFirst"><code>java.lang.Object</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#drawLabel(java.lang.String,com.mxgraph.view.mxCellState,boolean)">drawLabel</a></span>​(java.lang.String label,
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<a href="../view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a> state,
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boolean html)</code></th>
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<td class="colLast">
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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="i3" class="rowColor">
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<td class="colFirst"><code><a href="mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGraphicsCanvas()">getGraphicsCanvas</a></span>()</code></th>
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<td class="colLast"> </td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>java.awt.image.BufferedImage</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getImage()">getImage</a></span>()</code></th>
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<td class="colLast"> </td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>double</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getScale()">getScale</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns the scale.</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><a href="../util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTranslate()">getTranslate</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns the current translation.</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>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setScale(double)">setScale</a></span>​(double scale)</code></th>
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<td class="colLast">
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<div class="block">Sets the scale for the following drawing requests.</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>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setTranslate(double,double)">setTranslate</a></span>​(double dx,
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double dy)</code></th>
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<td class="colLast">
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<div class="block">Sets the translation for the following drawing requests.</div>
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</td>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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</ul>
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</section>
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</div>
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<h3>Field Detail</h3>
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<h4>canvas</h4>
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<pre>protected <a href="mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a> canvas</pre>
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</li>
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<a id="previousGraphics">
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<h4>previousGraphics</h4>
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<pre>protected java.awt.Graphics2D previousGraphics</pre>
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<h4>image</h4>
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<pre>protected java.awt.image.BufferedImage image</pre>
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<h3>Constructor Detail</h3>
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<a id="<init>(com.mxgraph.canvas.mxGraphics2DCanvas,int,int,java.awt.Color,boolean)">
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<h4>mxImageCanvas</h4>
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<pre>public mxImageCanvas​(<a href="mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a> canvas,
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int width,
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int height,
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java.awt.Color background,
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boolean antiAlias)</pre>
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<a id="<init>(com.mxgraph.canvas.mxGraphics2DCanvas,int,int,java.awt.Color,boolean,boolean)">
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<h4>mxImageCanvas</h4>
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<pre>public mxImageCanvas​(<a href="mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a> canvas,
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int width,
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int height,
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java.awt.Color background,
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boolean antiAlias,
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boolean textAntiAlias)</pre>
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<a id="getGraphicsCanvas()">
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<h4>getGraphicsCanvas</h4>
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<pre class="methodSignature">public <a href="mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a> getGraphicsCanvas()</pre>
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<h4>getImage</h4>
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<pre class="methodSignature">public java.awt.image.BufferedImage getImage()</pre>
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<a id="drawCell(com.mxgraph.view.mxCellState)">
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<h4>drawCell</h4>
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<pre class="methodSignature">public java.lang.Object drawCell​(<a href="../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="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="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="mxICanvas.html#drawCell(com.mxgraph.view.mxCellState)">drawCell</a></code> in interface <code><a href="mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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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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</dl>
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</li>
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</ul>
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<a id="drawLabel(java.lang.String,com.mxgraph.view.mxCellState,boolean)">
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<h4>drawLabel</h4>
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<pre class="methodSignature">public java.lang.Object drawLabel​(java.lang.String label,
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<a href="../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="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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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="mxICanvas.html#drawLabel(java.lang.String,com.mxgraph.view.mxCellState,boolean)">drawLabel</a></code> in interface <code><a href="mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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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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</dl>
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</li>
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</ul>
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<a id="getScale()">
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<h4>getScale</h4>
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<pre class="methodSignature">public double getScale()</pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="mxICanvas.html#getScale()">mxICanvas</a></code></span></div>
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<div class="block">Returns the scale.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="mxICanvas.html#getScale()">getScale</a></code> in interface <code><a href="mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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</dl>
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</li>
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</ul>
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<a id="getTranslate()">
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<h4>getTranslate</h4>
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<pre class="methodSignature">public <a href="../util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a> getTranslate()</pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="mxICanvas.html#getTranslate()">mxICanvas</a></code></span></div>
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<div class="block">Returns the current translation.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="mxICanvas.html#getTranslate()">getTranslate</a></code> in interface <code><a href="mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>Returns the current translation.</dd>
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</dl>
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</li>
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</ul>
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<a id="setScale(double)">
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<h4>setScale</h4>
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<pre class="methodSignature">public void setScale​(double scale)</pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="mxICanvas.html#setScale(double)">mxICanvas</a></code></span></div>
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<div class="block">Sets the scale for the following drawing requests.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="mxICanvas.html#setScale(double)">setScale</a></code> in interface <code><a href="mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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</dl>
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</li>
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</ul>
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<a id="setTranslate(double,double)">
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</a>
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<ul class="blockList">
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<li class="blockList">
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<h4>setTranslate</h4>
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<pre class="methodSignature">public void setTranslate​(double dx,
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double dy)</pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="mxICanvas.html#setTranslate(double,double)">mxICanvas</a></code></span></div>
|
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<div class="block">Sets the translation for the following drawing requests.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="mxICanvas.html#setTranslate(double,double)">setTranslate</a></code> in interface <code><a href="mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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</dl>
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</li>
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<a id="destroy()">
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<h4>destroy</h4>
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<pre class="methodSignature">public java.awt.image.BufferedImage destroy()</pre>
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