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1: /* GLGraphics.java -- Graphics2D impl on top of GLX 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: package gnu.java.awt.peer.x; 39: 40: import java.awt.Color; 41: import java.awt.GraphicsConfiguration; 42: import java.awt.image.ColorModel; 43: 44: import gnu.java.awt.java2d.AbstractGraphics2D; 45: import gnu.x11.extension.glx.GL; 46: 47: /** 48: * An implementation of Graphics2D on top of the GLX extension of X. 49: * 50: * @author Roman Kennke (kennke@aicas.com) 51: */ 52: public class GLGraphics extends AbstractGraphics2D 53: { 54: 55: /** 56: * The rendering context. 57: */ 58: private GL gl; 59: 60: /** 61: * Creates a new GLGraphics that paints on the specified GL context. 62: * 63: * @param g the GL context to paint to 64: */ 65: GLGraphics(GL g) 66: { 67: gl = g; 68: } 69: 70: public void setBackground(Color b) 71: { 72: super.setBackground(b); 73: gl.clear_color(b.getRed() / 255.F, b.getGreen() / 255.F, 74: b.getBlue() / 255.F, b.getAlpha() / 255.F); 75: } 76: 77: public void clearRect(int x, int y, int w, int h) 78: { 79: // TODO: Maybe use fillRect(). 80: gl.clear(GL.COLOR_BUFFER_BIT); 81: } 82: 83: public void drawLine(int x1, int y1, int x2, int y2) 84: { 85: gl.begin(GL.LINES); 86: gl.vertex2i(x1, y1); 87: gl.vertex2i(x2, y2); 88: gl.end(); 89: // TODO: Maybe do: 90: // gl.flush(); 91: } 92: 93: public void drawRect(int x, int y, int w, int h) 94: { 95: gl.polygon_mode(GL.FRONT_AND_BACK, GL.LINE); 96: gl.begin(GL.POLYGON); 97: gl.recti(x, y, x + w, y + h); 98: gl.end(); 99: // TODO: Maybe do: 100: // gl.flush(); 101: } 102: 103: public void fillRect(int x, int y, int w, int h) 104: { 105: gl.polygon_mode(GL.FRONT_AND_BACK, GL.FILL); 106: gl.recti(x, y, x + w, y + h); 107: // TODO: Maybe do: 108: // gl.flush(); 109: } 110: 111: protected ColorModel getColorModel() 112: { 113: // FIXME: Implement this. 114: throw new UnsupportedOperationException("Not yet implemented"); 115: } 116: 117: public GraphicsConfiguration getDeviceConfiguration() 118: { 119: // FIXME: Implement this. 120: throw new UnsupportedOperationException("Not yet implemented"); 121: } 122: 123: }