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.List 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(java.util.List areas) Repaints the associated GVT tree under the list of areas.
protected CachableRed	setupCache(CachableRed img)

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, updateWorkingBuffers

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

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)

Method Detail

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.List areas)

Flush a list of rectangles of cached image data.

Overrides:

flush in class StaticRenderer

repaint

public void repaint(java.util.List areas)

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.