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/* $Id: ClipSprite.java,v 1.7 2005/06/11 13:13:15 eric Exp $
*
* ProGuard -- shrinking, optimization, and obfuscation of Java class files.
*
* Copyright (c) 2002-2005 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.gui.splash;
import java.awt.*;
/**
* This Sprite encapsulates another Sprite, which is clipped by a clip Sprite.
*
* @author Eric Lafortune
*/
public class ClipSprite implements Sprite
{
private VariableColor insideClipColor;
private VariableColor outsideClipColor;
private Sprite clipSprite;
private Sprite sprite;
/**
* Creates a new ClipSprite.
* @param insideClipColor the background color inside the clip sprite.
* @param outsideClipColor the background color outside the clip sprite.
* @param clipSprite the clip Sprite.
* @param sprite the clipped Sprite.
*/
public ClipSprite(VariableColor insideClipColor,
VariableColor outsideClipColor,
Sprite clipSprite,
Sprite sprite)
{
this.insideClipColor = insideClipColor;
this.outsideClipColor = outsideClipColor;
this.clipSprite = clipSprite;
this.sprite = sprite;
}
// Implementation for Sprite.
public void paint(Graphics graphics, long time)
{
// Clear the background.
Color outsideColor = outsideClipColor.getColor(time);
Rectangle clip = graphics.getClipBounds();
graphics.setPaintMode();
graphics.setColor(outsideColor);
graphics.fillRect(0, 0, clip.width, clip.height);
// Draw the sprite in XOR mode.
OverrideGraphics2D g = new OverrideGraphics2D((Graphics2D)graphics);
Color insideColor = insideClipColor.getColor(time);
g.setOverrideXORMode(insideColor);
sprite.paint(g, time);
g.setOverrideXORMode(null);
// Clear the clip area.
g.setOverrideColor(insideColor);
clipSprite.paint(g, time);
g.setOverrideColor(null);
// Draw the sprite in XOR mode.
g.setOverrideXORMode(insideColor);
sprite.paint(g, time);
g.setOverrideXORMode(null);
}
}
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