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< div class = "header" >
< div class = "subTitle" > com.mxgraph.canvas< / div >
< h2 title = "Class mxBasicCanvas" class = "title" > Class mxBasicCanvas< / h2 >
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< li > java.lang.Object< / li >
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< li > com.mxgraph.canvas.mxBasicCanvas< / 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 >
< / 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 >
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< pre > public abstract class < span class = "typeNameLabel" > mxBasicCanvas< / span >
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extends java.lang.Object
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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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< 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 java.lang.String< / 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 java.lang.String< / 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 java.util.Hashtable< java.lang.String,java.awt.image.BufferedImage> < / 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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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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< td class = "colOne" > < code > < span class = "memberNameLink" > < a href = "../../../com/mxgraph/canvas/mxBasicCanvas.html#mxBasicCanvas--" > mxBasicCanvas< / a > < / span > ()< / code > < / td >
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< tr >
< th class = "colFirst" scope = "col" > Modifier and Type< / 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/mxBasicCanvas.html#flushImageCache--" > flushImageCache< / a > < / span > ()< / code > < / 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.String< / 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 > < / 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.String< / code > < / td >
< td class = "colLast" > < code > < span class = "memberNameLink" > < a href = "../../../com/mxgraph/canvas/mxBasicCanvas.html#getImageForStyle-java.util.Map-" > getImageForStyle< / a > < / span > (java.util.Map< java.lang.String,java.lang.Object> style)< / code >
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< div class = "block" > Gets the image path from the given style.< / div >
< / td >
< / 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 > < / td >
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< / tr >
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< tr id = "i6" class = "altColor" >
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< td class = "colFirst" > < code > java.awt.image.BufferedImage< / code > < / td >
< td class = "colLast" > < code > < span class = "memberNameLink" > < a href = "../../../com/mxgraph/canvas/mxBasicCanvas.html#loadImage-java.lang.String-" > loadImage< / a > < / span > (java.lang.String 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 drawLabels)< / code > < / 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 > (java.lang.String imageBasePath)< / code > < / 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 scale)< / code >
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< div class = "block" > Sets the scale for the following drawing requests.< / div >
< / td >
< / tr >
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< tr id = "i10" 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#setTranslate-double-double-" > setTranslate< / a > < / span > (double dx,
double dy)< / code >
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< div class = "block" > Sets the current translate.< / div >
< / td >
< / tr >
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< h3 > Methods inherited from class java.lang.Object< / h3 >
< code > clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait< / code > < / li >
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< h3 > Methods inherited from interface com.mxgraph.canvas.< a href = "../../../com/mxgraph/canvas/mxICanvas.html" title = "interface in com.mxgraph.canvas" > mxICanvas< / a > < / h3 >
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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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< h4 > PRESERVE_IMAGE_ASPECT< / h4 >
< pre > public static 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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< a name = "DEFAULT_IMAGEBASEPATH" >
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< h4 > DEFAULT_IMAGEBASEPATH< / h4 >
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< pre > public static java.lang.String 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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< a name = "imageBasePath" >
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< h4 > imageBasePath< / h4 >
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< pre > protected java.lang.String 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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< a name = "translate" >
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< h4 > translate< / h4 >
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< pre > protected < 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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< a name = "scale" >
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< h4 > scale< / h4 >
< pre > protected double scale< / pre >
< div class = "block" > Specifies the current scale. Default is 1.< / div >
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< h4 > drawLabels< / h4 >
< pre > protected boolean drawLabels< / pre >
< div class = "block" > Specifies whether labels should be painted. Default is true.< / div >
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< a name = "imageCache" >
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< h4 > imageCache< / h4 >
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< pre > protected java.util.Hashtable< java.lang.String,java.awt.image.BufferedImage> imageCache< / pre >
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< div class = "block" > Cache for images.< / div >
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< pre > public mxBasicCanvas()< / pre >
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< a name = "setTranslate-double-double-" >
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< h4 > setTranslate< / h4 >
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< pre > public void setTranslate(double dx,
double 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 > in interface < code > < a href = "../../../com/mxgraph/canvas/mxICanvas.html" title = "interface in com.mxgraph.canvas" > mxICanvas< / a > < / code > < / dd >
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< a name = "getTranslate--" >
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< h4 > getTranslate< / h4 >
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< pre > public < a href = "../../../com/mxgraph/util/mxPoint.html" title = "class in com.mxgraph.util" > mxPoint< / a > 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 > in interface < 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 void setScale(double scale)< / pre >
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< div class = "block" > < span class = "descfrmTypeLabel" > Description copied from interface: < 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 > in interface < code > < a href = "../../../com/mxgraph/canvas/mxICanvas.html" title = "interface in com.mxgraph.canvas" > mxICanvas< / a > < / code > < / dd >
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< h4 > getScale< / h4 >
< pre > public double getScale()< / pre >
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< div class = "block" > < span class = "descfrmTypeLabel" > Description copied from interface: < 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 > in interface < code > < a href = "../../../com/mxgraph/canvas/mxICanvas.html" title = "interface in com.mxgraph.canvas" > mxICanvas< / a > < / code > < / dd >
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< pre > public void setDrawLabels(boolean drawLabels)< / pre >
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< h4 > getImageBasePath< / h4 >
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< pre > public java.lang.String getImageBasePath()< / pre >
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< pre > public void setImageBasePath(java.lang.String imageBasePath)< / pre >
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< pre > public boolean isDrawLabels()< / pre >
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< h4 > loadImage< / h4 >
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< pre > public java.awt.image.BufferedImage loadImage(java.lang.String 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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< h4 > flushImageCache< / h4 >
< pre > public void flushImageCache()< / pre >
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< h4 > getImageForStyle< / h4 >
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< pre > public java.lang.String getImageForStyle(java.util.Map< java.lang.String,java.lang.Object> 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 >
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