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Eclipse Draw2d
3.3

org.eclipse.draw2d
Class AbstractBackground

java.lang.Object
  extended by

org.eclipse.draw2d.AbstractBorder
      extended by
org.eclipse.draw2d.AbstractBackground
All Implemented Interfaces:
Border

public class AbstractBackground
extends AbstractBorder

A special border which can paint both underneath and on top of a Figure. Normal borders only paint on top of a figure and its children. A background has the opportunity to paint both first, and optionally last.

WARNING: Experimental for 3.3. Clients should help validate the use cases of this new function.

Since:
3.3

Field Summary
 
Fields inherited from class org.eclipse.draw2d. AbstractBorder
tempRect
 
Constructor Summary
AbstractBackground ()
           
 
Method Summary
  Insets getInsets ( IFigure figure)
          Returns the Insets for this Border for the given Figure.
 void paint ( IFigure figure, Graphics graphics, Insets insets)
          Paints the border. The border should paint inside figure's IFigure.getBounds(), inset by the parameter insets. The border generally should not paint inside its own insets. More specifically, Border b should paint inside the rectangle: figure.getBounds().getCropped(insets) and outside of the rectangle: figure.getBounds().getCropped(insets).getCropped(getInsets()) where inside is defined as Rectangle.contains(int, int). By default, this method is stubbed out for backgrounds which only paint underneath a figure.
 void paintBackground ( IFigure figure, Graphics graphics, Insets insets)
          Called when this Background should paint.
 
Methods inherited from class org.eclipse.draw2d. AbstractBorder
getPaintRectangle, getPreferredSize, isOpaque
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

AbstractBackground

public AbstractBackground()
Method Detail

getInsets

public 
Insets getInsets(
IFigure figure)
Returns the Insets for this Border for the given Figure.

Parameters:
figure - The figure this border belongs to
Returns:
The insets

paint

public void paint(
IFigure figure,
                  
Graphics graphics,
                  
Insets insets)
Paints the border. The border should paint inside figure's IFigure.getBounds(), inset by the parameter insets. The border generally should not paint inside its own insets. More specifically, Border b should paint inside the rectangle: figure.getBounds().getCropped(insets) and outside of the rectangle: figure.getBounds().getCropped(insets).getCropped(getInsets()) where inside is defined as Rectangle.contains(int, int). By default, this method is stubbed out for backgrounds which only paint underneath a figure.

Parameters:
figure - The figure this border belongs to
graphics - The graphics object used for painting
insets - The insets

paintBackground

public void paintBackground(
IFigure figure,
                            
Graphics graphics,
                            
Insets insets)
Called when this Background should paint. If the background is being painted inside another border or background, the insets indicate how far inside the target figure the background should be painted. In most cases, the insets will be all zero.

Parameters:
figure - The figure on which the background is being painted
graphics - The graphics
insets - Amount to inset from the figure's bounds
Since:
3.2

Eclipse Draw2d
3.3

Copyright (c) IBM Corp. and others 2000, 2007. All Rights Reserved.

 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire