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1: /* GtkVolatileImage.java -- a hardware-accelerated image buffer 2: Copyright (C) 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package gnu.java.awt.peer.gtk; 39: 40: import java.awt.ImageCapabilities; 41: import java.awt.Graphics2D; 42: import java.awt.GraphicsConfiguration; 43: import java.awt.image.BufferedImage; 44: import java.awt.image.ImageObserver; 45: import java.awt.image.VolatileImage; 46: 47: public class GtkVolatileImage extends VolatileImage 48: { 49: private int width; 50: private int height; 51: private ImageCapabilities caps; 52: 53: public GtkVolatileImage(int width, int height) 54: { 55: this(width, height, null); 56: } 57: 58: public GtkVolatileImage(int width, int height, ImageCapabilities caps) 59: { 60: this.width = width; 61: this.height = height; 62: this.caps = caps; 63: } 64: 65: // FIXME: should return a buffered image snapshot of the accelerated 66: // visual 67: public BufferedImage getSnapshot() 68: { 69: return null; 70: } 71: 72: public int getWidth() 73: { 74: return width; 75: } 76: 77: public int getHeight() 78: { 79: return height; 80: } 81: 82: // FIXME: should return a graphics wrapper around this image's 83: // visual 84: public Graphics2D createGraphics() 85: { 86: return null; 87: } 88: 89: public int validate(GraphicsConfiguration gc) 90: { 91: return VolatileImage.IMAGE_OK; 92: } 93: 94: public boolean contentsLost() 95: { 96: return false; 97: } 98: 99: public ImageCapabilities getCapabilities() 100: { 101: return caps; 102: } 103: 104: public synchronized Object getProperty (String name, ImageObserver observer) 105: { 106: return null; 107: } 108: 109: public synchronized int getWidth (ImageObserver observer) 110: { 111: return width; 112: } 113: 114: public synchronized int getHeight (ImageObserver observer) 115: { 116: return height; 117: } 118: }