Eclipse GEF and Draw2d Plug-in Developer Guide (Galileo) - GraphicsSource (Eclipse Draw2d API Specification)

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Eclipse Draw2d
3.3

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org.eclipse.draw2d
Interface GraphicsSource

All Known Implementing Classes:: NativeGraphicsSource

public interface GraphicsSource

Provides a Graphics object for painting.

Method Summary

void flushGraphics ( Rectangle region)
Tells the GraphicsSource that you have finished using that region.

Graphics getGraphics ( Rectangle region)
Returns a Graphics for the rectangular region requested.

Method Detail

getGraphics

public 
Graphics getGraphics(
Rectangle region)

Returns a Graphics for the rectangular region requested. May return null.

Parameters:: region - The rectangular region
Returns:: A new Graphics object for the given region

flushGraphics

public void flushGraphics(
Rectangle region)

Tells the GraphicsSource that you have finished using that region.

Parameters:: region - The rectangular region that that no longer needs the Graphics