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Initial version, 1.10.0.5 release
2012-05-21 20:32:26 +00:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title>mxBasicCanvas (mxGraph 3.7.2 API Specification)</title>
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parent.document.title="mxBasicCanvas (mxGraph 3.7.2 API Specification)";
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var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":10};
var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
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3.7.2 release
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<div class="aboutLanguage"><p><b>mxGraph 3.7.2</b></p></div>
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<li><a href="../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
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<div class="header">
<div class="subTitle">com.mxgraph.canvas</div>
<h2 title="Class mxBasicCanvas" class="title">Class mxBasicCanvas</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
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<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>
<ul class="inheritance">
<li>com.mxgraph.canvas.mxBasicCanvas</li>
</ul>
</li>
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<div class="description">
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../com/mxgraph/canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a>, <a href="../../../com/mxgraph/canvas/mxHtmlCanvas.html" title="class in com.mxgraph.canvas">mxHtmlCanvas</a>, <a href="../../../com/mxgraph/canvas/mxSvgCanvas.html" title="class in com.mxgraph.canvas">mxSvgCanvas</a>, <a href="../../../com/mxgraph/canvas/mxVmlCanvas.html" title="class in com.mxgraph.canvas">mxVmlCanvas</a></dd>
</dl>
<hr>
<br>
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<pre>public abstract class <span class="typeNameLabel">mxBasicCanvas</span>
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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>
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implements <a href="../../../com/mxgraph/canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a></pre>
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<ul class="blockList">
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<h3>Field Summary</h3>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
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<td class="colFirst"><code>static <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></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#DEFAULT_IMAGEBASEPATH">DEFAULT_IMAGEBASEPATH</a></span></code>
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<div class="block">Defines the default value for the imageBasePath in all GDI canvases.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#drawLabels">drawLabels</a></span></code>
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<div class="block">Specifies whether labels should be painted.</div>
</td>
</tr>
<tr class="altColor">
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<td class="colFirst"><code>protected <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></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#imageBasePath">imageBasePath</a></span></code>
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<div class="block">Defines the base path for images with relative paths.</div>
</td>
</tr>
<tr class="rowColor">
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<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</a>&lt;<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>,<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>&gt;</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#imageCache">imageCache</a></span></code>
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<div class="block">Cache for images.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#PRESERVE_IMAGE_ASPECT">PRESERVE_IMAGE_ASPECT</a></span></code>
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<div class="block">Specifies if image aspect should be preserved in drawImage.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected double</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#scale">scale</a></span></code>
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<div class="block">Specifies the current scale.</div>
</td>
</tr>
<tr class="altColor">
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<td class="colFirst"><code>protected <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/mxBasicCanvas.html#translate">translate</a></span></code>
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<div class="block">Specifies the current translation.</div>
</td>
</tr>
</table>
</li>
</ul>
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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">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#mxBasicCanvas--">mxBasicCanvas</a></span>()</code>&nbsp;</td>
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</tr>
</table>
</li>
</ul>
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<!-- ========== METHOD SUMMARY =========== -->
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</a>
<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">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</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/mxBasicCanvas.html#flushImageCache--">flushImageCache</a></span>()</code>&nbsp;</td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code><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></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#getImageBasePath--">getImageBasePath</a></span>()</code>&nbsp;</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code><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></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#getImageForStyle-java.util.Map-">getImageForStyle</a></span>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<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>,<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>&gt;&nbsp;style)</code>
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<div class="block">Gets the image path from the given style.</div>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>double</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#getScale--">getScale</a></span>()</code>
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<div class="block">Returns the scale.</div>
</td>
</tr>
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<tr id="i4" class="altColor">
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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/mxBasicCanvas.html#getTranslate--">getTranslate</a></span>()</code>
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<div class="block">Returns the current translate.</div>
</td>
</tr>
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<tr id="i5" 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/mxBasicCanvas.html#isDrawLabels--">isDrawLabels</a></span>()</code>&nbsp;</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="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>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#loadImage-java.lang.String-">loadImage</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;image)</code>
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<div class="block">Returns an image instance for the given URL.</div>
</td>
</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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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#setDrawLabels-boolean-">setDrawLabels</a></span>(boolean&nbsp;drawLabels)</code>&nbsp;</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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<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/canvas/mxBasicCanvas.html#setImageBasePath-java.lang.String-">setImageBasePath</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;imageBasePath)</code>&nbsp;</td>
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</tr>
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<tr id="i9" 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/mxBasicCanvas.html#setScale-double-">setScale</a></span>(double&nbsp;scale)</code>
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<div class="block">Sets the scale for the following drawing requests.</div>
</td>
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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/mxBasicCanvas.html#setTranslate-double-double-">setTranslate</a></span>(double&nbsp;dx,
double&nbsp;dy)</code>
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<div class="block">Sets the current translate.</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>
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<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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<code><a href="../../../com/mxgraph/canvas/mxICanvas.html#drawCell-com.mxgraph.view.mxCellState-">drawCell</a>, <a href="../../../com/mxgraph/canvas/mxICanvas.html#drawLabel-java.lang.String-com.mxgraph.view.mxCellState-boolean-">drawLabel</a></code></li>
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<pre>public static&nbsp;boolean PRESERVE_IMAGE_ASPECT</pre>
<div class="block">Specifies if image aspect should be preserved in drawImage. Default is true.</div>
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<pre>public static&nbsp;<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> DEFAULT_IMAGEBASEPATH</pre>
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<div class="block">Defines the default value for the imageBasePath in all GDI canvases.
Default is an empty string.</div>
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<pre>protected&nbsp;<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> imageBasePath</pre>
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<div class="block">Defines the base path for images with relative paths. Trailing slash
is required. Default value is DEFAULT_IMAGEBASEPATH.</div>
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<pre>protected&nbsp;<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a> translate</pre>
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<div class="block">Specifies the current translation. Default is (0,0).</div>
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<pre>protected&nbsp;double scale</pre>
<div class="block">Specifies the current scale. Default is 1.</div>
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<pre>protected&nbsp;boolean drawLabels</pre>
<div class="block">Specifies whether labels should be painted. Default is true.</div>
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<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Hashtable.html?is-external=true" title="class or interface in java.util">Hashtable</a>&lt;<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>,<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>&gt; imageCache</pre>
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<div class="block">Cache for images.</div>
</li>
</ul>
</li>
</ul>
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<pre>public&nbsp;mxBasicCanvas()</pre>
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<pre>public&nbsp;void&nbsp;setTranslate(double&nbsp;dx,
double&nbsp;dy)</pre>
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<div class="block">Sets the current translate.</div>
<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<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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</dl>
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<pre>public&nbsp;<a href="../../../com/mxgraph/util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a>&nbsp;getTranslate()</pre>
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<div class="block">Returns the current translate.</div>
<dl>
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<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>
</dl>
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</li>
</ul>
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<pre>public&nbsp;void&nbsp;setScale(double&nbsp;scale)</pre>
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<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>
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<div class="block">Sets the scale for the following drawing requests.</div>
<dl>
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<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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</dl>
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<pre>public&nbsp;double&nbsp;getScale()</pre>
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<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>
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<div class="block">Returns the scale.</div>
<dl>
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<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>
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</dl>
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<pre>public&nbsp;void&nbsp;setDrawLabels(boolean&nbsp;drawLabels)</pre>
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<pre>public&nbsp;<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;getImageBasePath()</pre>
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</li>
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<pre>public&nbsp;void&nbsp;setImageBasePath(<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;imageBasePath)</pre>
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<pre>public&nbsp;boolean&nbsp;isDrawLabels()</pre>
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<a name="loadImage-java.lang.String-">
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<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;loadImage(<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;image)</pre>
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<div class="block">Returns an image instance for the given URL. If the URL has
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been loaded before than an instance of the same instance is
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returned as in the previous call.</div>
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</ul>
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<pre>public&nbsp;void&nbsp;flushImageCache()</pre>
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<a name="getImageForStyle-java.util.Map-">
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<pre>public&nbsp;<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;getImageForStyle(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<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>,<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>&gt;&nbsp;style)</pre>
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<div class="block">Gets the image path from the given style. If the path is relative (does
not start with a slash) then it is appended to the imageBasePath.</div>
</li>
</ul>
</li>
</ul>
</li>
</ul>
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2012-05-21 20:32:26 +00:00
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