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1: /* XImage.java -- Image impl for X Pixmaps 2: Copyright (C) 2006 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: 39: package gnu.java.awt.peer.x; 40: 41: import gnu.x11.Pixmap; 42: 43: import java.awt.Graphics; 44: import java.awt.GraphicsEnvironment; 45: import java.awt.Image; 46: import java.awt.image.ImageObserver; 47: import java.awt.image.ImageProducer; 48: import java.util.Hashtable; 49: 50: public class XImage 51: extends Image 52: { 53: 54: Pixmap pixmap; 55: 56: private Hashtable properties; 57: 58: XImage(int w, int h) 59: { 60: GraphicsEnvironment env = 61: GraphicsEnvironment.getLocalGraphicsEnvironment(); 62: XGraphicsDevice dev = (XGraphicsDevice) env.getDefaultScreenDevice(); 63: pixmap = new Pixmap(dev.getDisplay(), w, h); 64: } 65: 66: public int getWidth(ImageObserver observer) 67: { 68: return pixmap.width; 69: } 70: 71: public int getHeight(ImageObserver observer) 72: { 73: return pixmap.height; 74: } 75: 76: public ImageProducer getSource() 77: { 78: // TODO: Implement this. 79: throw new UnsupportedOperationException("Not yet implemented."); 80: } 81: 82: /** 83: * Creates an XGraphics for drawing on this XImage. 84: * 85: * @return an XGraphics for drawing on this XImage 86: */ 87: public Graphics getGraphics() 88: { 89: XGraphics g = new XGraphics(pixmap); 90: return g; 91: } 92: 93: public Object getProperty(String name, ImageObserver observer) 94: { 95: Object val = null; 96: if (properties != null) 97: val = properties.get(val); 98: return val; 99: } 100: 101: public void flush() 102: { 103: // TODO: Implement this. 104: throw new UnsupportedOperationException("Not yet implemented."); 105: } 106: 107: protected void finalize() 108: { 109: pixmap.free(); 110: } 111: }