| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2009 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 final VariableColor insideClipColor; |
| private final VariableColor outsideClipColor; |
| private final Sprite clipSprite; |
| private final 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); |
| } |
| } |