Package org.apache.batik.gvt.renderer
Class DynamicRenderer
- java.lang.Object
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- org.apache.batik.gvt.renderer.StaticRenderer
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- org.apache.batik.gvt.renderer.DynamicRenderer
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- All Implemented Interfaces:
ImageRenderer
,Renderer
public class DynamicRenderer extends StaticRenderer
Simple implementation of the Renderer that supports dynamic updates.
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Field Summary
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Fields inherited from class org.apache.batik.gvt.renderer.StaticRenderer
currentBaseRaster, currentOffScreen, currentRaster, defaultRenderingHints, isDoubleBuffered, lastCache, lastCR, offScreenHeight, offScreenWidth, renderingHints, rootCR, rootFilter, rootGN, usr2dev, workingBaseRaster, workingOffScreen, workingRaster
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Constructor Summary
Constructors Constructor Description DynamicRenderer()
Constructs a new dynamic renderer with the specified buffer image.DynamicRenderer(java.awt.RenderingHints rh, java.awt.geom.AffineTransform at)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
flush(java.awt.Rectangle r)
Flush a rectangle of cached image data.void
flush(java.util.Collection areas)
Flush a list of rectangles of cached image data.void
repaint(RectListManager devRLM)
Repaints the associated GVT tree under the list ofareas
.protected CachableRed
setupCache(CachableRed img)
protected void
updateWorkingBuffers()
Internal method used to synchronize local state in response to various set methods.-
Methods inherited from class org.apache.batik.gvt.renderer.StaticRenderer
clearOffScreen, dispose, flush, getOffScreen, getRenderingHints, getTransform, getTree, isDoubleBuffered, renderGNR, repaint, setDoubleBuffered, setRenderingHints, setTransform, setTree, updateOffScreen
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Method Detail
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setupCache
protected CachableRed setupCache(CachableRed img)
- Overrides:
setupCache
in classStaticRenderer
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flush
public void flush(java.awt.Rectangle r)
Description copied from class:StaticRenderer
Flush a rectangle of cached image data.- Specified by:
flush
in interfaceImageRenderer
- Overrides:
flush
in classStaticRenderer
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flush
public void flush(java.util.Collection areas)
Flush a list of rectangles of cached image data.- Specified by:
flush
in interfaceImageRenderer
- Overrides:
flush
in classStaticRenderer
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updateWorkingBuffers
protected void updateWorkingBuffers()
Description copied from class:StaticRenderer
Internal method used to synchronize local state in response to various set methods.- Overrides:
updateWorkingBuffers
in classStaticRenderer
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repaint
public void repaint(RectListManager devRLM)
Repaints the associated GVT tree under the list ofareas
. If double buffered is true and this method completes cleanly it will set the result of the repaint as the image returned by getOffscreen otherwise the old image will still be returned. If double buffered is false it is possible some effects of the failed rendering will be visible in the image returned by getOffscreen.- Specified by:
repaint
in interfaceRenderer
- Overrides:
repaint
in classStaticRenderer
- Parameters:
devRLM
- regions to be repainted, in the current user space coordinate system.
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