org.apache.batik.gvt.renderer
Class DynamicRenderer
java.lang.Object
|
+--org.apache.batik.gvt.renderer.StaticRenderer
|
+--org.apache.batik.gvt.renderer.DynamicRenderer
- All Implemented Interfaces:
- ImageRenderer, Renderer
- public class DynamicRenderer
- extends StaticRenderer
Simple implementation of the Renderer that supports dynamic updates.
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 |
Constructor Summary |
DynamicRenderer()
Constructs a new dynamic renderer with the specified buffer image. |
DynamicRenderer(java.awt.RenderingHints rh,
java.awt.geom.AffineTransform at)
|
Method Summary |
void |
flush(java.util.Collection areas)
Flush a list of rectangles of cached image data. |
void |
flush(java.awt.Rectangle r)
Flush a rectangle of cached image data. |
void |
repaint(RectListManager devRLM)
Repaints the associated GVT tree under the list of areas. |
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 |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DynamicRenderer
public DynamicRenderer()
- Constructs a new dynamic renderer with the specified buffer image.
DynamicRenderer
public DynamicRenderer(java.awt.RenderingHints rh,
java.awt.geom.AffineTransform at)
setupCache
protected CachableRed setupCache(CachableRed img)
- Overrides:
setupCache
in class StaticRenderer
flush
public void flush(java.awt.Rectangle r)
- Description copied from class:
StaticRenderer
- Flush a rectangle of cached image data.
- Overrides:
flush
in class StaticRenderer
flush
public void flush(java.util.Collection areas)
- Flush a list of rectangles of cached image data.
- Overrides:
flush
in class StaticRenderer
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 class StaticRenderer
repaint
public void repaint(RectListManager devRLM)
- Repaints the associated GVT tree under the list of areas.
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.
- Overrides:
repaint
in class StaticRenderer
- Parameters:
areas
- a List of regions to be repainted, in the current
user space coordinate system.
Copyright © 2004 Apache Software Foundation. All Rights Reserved.