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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title>mxImageCanvas (mxGraph 3.7.2 API Specification)</title>
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<div class="subTitle">com.mxgraph.canvas</div>
<h2 title="Class mxImageCanvas" class="title">Class mxImageCanvas</h2>
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<ul class="inheritance">
<li><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>com.mxgraph.canvas.mxImageCanvas</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></dd>
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<pre>public class <span class="typeNameLabel">mxImageCanvas</span>
extends <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></pre>
<div class="block">An implementation of a canvas that uses Graphics2D for painting. To use an
image canvas for an existing graphics canvas and create an image the
following code is used:
<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">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#canvas">canvas</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/image/BufferedImage.html?is-external=true" title="class or interface in java.awt.image">BufferedImage</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#image">image</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/Graphics2D.html?is-external=true" title="class or interface in java.awt">Graphics2D</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#previousGraphics">previousGraphics</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#mxImageCanvas-com.mxgraph.canvas.mxGraphics2DCanvas-int-int-java.awt.Color-boolean-">mxImageCanvas</a></span>(<a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a>&nbsp;canvas,
int&nbsp;width,
int&nbsp;height,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/Color.html?is-external=true" title="class or interface in java.awt">Color</a>&nbsp;background,
boolean&nbsp;antiAlias)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#mxImageCanvas-com.mxgraph.canvas.mxGraphics2DCanvas-int-int-java.awt.Color-boolean-boolean-">mxImageCanvas</a></span>(<a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a>&nbsp;canvas,
int&nbsp;width,
int&nbsp;height,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/Color.html?is-external=true" title="class or interface in java.awt">Color</a>&nbsp;background,
boolean&nbsp;antiAlias,
boolean&nbsp;textAntiAlias)</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/image/BufferedImage.html?is-external=true" title="class or interface in java.awt.image">BufferedImage</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#destroy--">destroy</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#drawCell-com.mxgraph.view.mxCellState-">drawCell</a></span>(<a href="../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state)</code>
<div class="block">Draws the given cell.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#drawLabel-java.lang.String-com.mxgraph.view.mxCellState-boolean-">drawLabel</a></span>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;label,
<a href="../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state,
boolean&nbsp;html)</code>
<div class="block">Draws the given label.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#getGraphicsCanvas--">getGraphicsCanvas</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/image/BufferedImage.html?is-external=true" title="class or interface in java.awt.image">BufferedImage</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#getImage--">getImage</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#getScale--">getScale</a></span>()</code>
<div class="block">Returns the scale.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#getTranslate--">getTranslate</a></span>()</code>
<div class="block">Returns the current translation.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#setScale-double-">setScale</a></span>(double&nbsp;scale)</code>
<div class="block">Sets the scale for the following drawing requests.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxImageCanvas.html#setTranslate-double-double-">setTranslate</a></span>(double&nbsp;dx,
double&nbsp;dy)</code>
<div class="block">Sets the translation for the following drawing requests.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Field Detail</h3>
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<h4>canvas</h4>
<pre>protected&nbsp;<a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a> canvas</pre>
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<h4>previousGraphics</h4>
<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/Graphics2D.html?is-external=true" title="class or interface in java.awt">Graphics2D</a> previousGraphics</pre>
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<h4>image</h4>
<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/image/BufferedImage.html?is-external=true" title="class or interface in java.awt.image">BufferedImage</a> image</pre>
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<h4>mxImageCanvas</h4>
<pre>public&nbsp;mxImageCanvas(<a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a>&nbsp;canvas,
int&nbsp;width,
int&nbsp;height,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/Color.html?is-external=true" title="class or interface in java.awt">Color</a>&nbsp;background,
boolean&nbsp;antiAlias)</pre>
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<h4>mxImageCanvas</h4>
<pre>public&nbsp;mxImageCanvas(<a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a>&nbsp;canvas,
int&nbsp;width,
int&nbsp;height,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/Color.html?is-external=true" title="class or interface in java.awt">Color</a>&nbsp;background,
boolean&nbsp;antiAlias,
boolean&nbsp;textAntiAlias)</pre>
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<h4>getGraphicsCanvas</h4>
<pre>public&nbsp;<a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a>&nbsp;getGraphicsCanvas()</pre>
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<h4>getImage</h4>
<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/image/BufferedImage.html?is-external=true" title="class or interface in java.awt.image">BufferedImage</a>&nbsp;getImage()</pre>
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<h4>drawCell</h4>
<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;drawCell(<a href="../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html#drawCell-com.mxgraph.view.mxCellState-">mxICanvas</a></code></span></div>
<div class="block">Draws the given cell.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../com/mxgraph/canvas/mxICanvas.html#drawCell-com.mxgraph.view.mxCellState-">drawCell</a></code>&nbsp;in interface&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>state</code> - State of the cell to be painted.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Object that represents the cell.</dd>
</dl>
</li>
</ul>
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<h4>drawLabel</h4>
<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;drawLabel(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;label,
<a href="../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state,
boolean&nbsp;html)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html#drawLabel-java.lang.String-com.mxgraph.view.mxCellState-boolean-">mxICanvas</a></code></span></div>
<div class="block">Draws the given label.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../com/mxgraph/canvas/mxICanvas.html#drawLabel-java.lang.String-com.mxgraph.view.mxCellState-boolean-">drawLabel</a></code>&nbsp;in interface&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>label</code> - String that represents the label.</dd>
<dd><code>state</code> - State of the cell whose label is to be painted.</dd>
<dd><code>html</code> - Specifies if the label contains HTML markup.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Object that represents the label.</dd>
</dl>
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<h4>getScale</h4>
<pre>public&nbsp;double&nbsp;getScale()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html#getScale--">mxICanvas</a></code></span></div>
<div class="block">Returns the scale.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../com/mxgraph/canvas/mxICanvas.html#getScale--">getScale</a></code>&nbsp;in interface&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
</dl>
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<h4>getTranslate</h4>
<pre>public&nbsp;<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a>&nbsp;getTranslate()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html#getTranslate--">mxICanvas</a></code></span></div>
<div class="block">Returns the current translation.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../com/mxgraph/canvas/mxICanvas.html#getTranslate--">getTranslate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Returns the current translation.</dd>
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<h4>setScale</h4>
<pre>public&nbsp;void&nbsp;setScale(double&nbsp;scale)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html#setScale-double-">mxICanvas</a></code></span></div>
<div class="block">Sets the scale for the following drawing requests.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../com/mxgraph/canvas/mxICanvas.html#setScale-double-">setScale</a></code>&nbsp;in interface&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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<h4>setTranslate</h4>
<pre>public&nbsp;void&nbsp;setTranslate(double&nbsp;dx,
double&nbsp;dy)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html#setTranslate-double-double-">mxICanvas</a></code></span></div>
<div class="block">Sets the translation for the following drawing requests.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../com/mxgraph/canvas/mxICanvas.html#setTranslate-double-double-">setTranslate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></code></dd>
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<h4>destroy</h4>
<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/image/BufferedImage.html?is-external=true" title="class or interface in java.awt.image">BufferedImage</a>&nbsp;destroy()</pre>
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