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Java DTV API 1.3
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com.sun.dtv.lwuit.painter
Class PainterChain

java.lang.Object
  extended by com.sun.dtv.lwuit.painter.PainterChain
All Implemented Interfaces:
Painter
public class PainterChain
extends Object
implements Painter

A painter chain allows us to chain together several painters to provide a "layer" effect where each painter only draws one element.

Constructor Summary
PainterChain(Painter[] chain)
          Create a new painter chain which will paint all of the elements in the chain in sequence from 0 to the last element.
 
Method Summary
 PainterChain addPainter(Painter p)
          Creates a new chain based on the existing chain with the new element added at the end.
static void installGlassPane(Form f, Painter p)
          Installs a glass pane on the given form making sure to make it a painter chain only if required by existing painter.
 void paint(Graphics g, Rectangle rect)
          Draws inside the given rectangle clipping area.
 PainterChain prependPainter(Painter p)
          Creates a new chain based on the existing chain with the new element added at the beginning.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PainterChain

public PainterChain(Painter[] chain)
Create a new painter chain which will paint all of the elements in the chain in sequence from 0 to the last element.

Parameters:
chain - the chain elements
Method Detail

addPainter

public PainterChain addPainter(Painter p)
Creates a new chain based on the existing chain with the new element added at the end.

Parameters:
p - new painter
Returns:
new chain element

prependPainter

public PainterChain prependPainter(Painter p)
Creates a new chain based on the existing chain with the new element added at the beginning.

Parameters:
p - new painter
Returns:
new chain element

paint

public void paint(Graphics g,
                  Rectangle rect)
Description copied from interface: Painter
Draws inside the given rectangle clipping area.

Specified by:
paint in interface Painter
Parameters:
g - the Graphics object
rect - the given rectangle clipping area

installGlassPane

public static void installGlassPane(Form f,
                                    Painter p)
Installs a glass pane on the given form making sure to make it a painter chain only if required by existing painter.

Parameters:
f - form on which to install the chain
p - painter to install
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