1 /* QtScreenDeviceConfiguration.java -- 2 Copyright (C) 2005, 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.qt; 39 40 import java.awt.ImageCapabilities; 41 import java.awt.GraphicsConfiguration; 42 import java.awt.GraphicsDevice; 43 import java.awt.Rectangle; 44 import java.awt.image.BufferedImage; 45 import java.awt.image.ColorModel; 46 import java.awt.image.VolatileImage; 47 import java.awt.geom.AffineTransform; 48 49 public class QtScreenDeviceConfiguration extends GraphicsConfiguration { 50 51 private QtScreenDevice owner; 52 private Rectangle bounds; 53 private double dpiX, dpiY; 54 private int depth; 55 QtScreenDeviceConfiguration(QtScreenDevice owner)56 public QtScreenDeviceConfiguration(QtScreenDevice owner) 57 { 58 this.owner = owner; 59 bounds = owner.getBounds(); 60 dpiX = owner.getDpiX(); 61 dpiY = owner.getDpiY(); 62 depth = owner.depth(); 63 } 64 createCompatibleImage(int width, int height)65 public BufferedImage createCompatibleImage(int width, int height) 66 { 67 switch( depth ) 68 { 69 case 24: 70 return new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR); 71 case 16: 72 return new BufferedImage(width, height, 73 BufferedImage.TYPE_USHORT_565_RGB); 74 case 8: 75 return new BufferedImage(width, height, BufferedImage.TYPE_BYTE_INDEXED); 76 default: 77 case 32: 78 return new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); 79 } 80 } 81 createCompatibleImage(int width, int height, int transparency)82 public BufferedImage createCompatibleImage(int width, int height, int transparency) 83 { 84 // FIXME: Take the transpareny flag into account? 85 // For now, ignore it and just use an alpha channel. 86 if(depth == 32) 87 return new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); 88 return createCompatibleImage(width, height); 89 } 90 createCompatibleVolatileImage(int width, int height)91 public VolatileImage createCompatibleVolatileImage(int width, int height) 92 { 93 return new QtVolatileImage( width, height ); 94 } 95 createCompatibleVolatileImage(int width, int height, ImageCapabilities caps)96 public VolatileImage createCompatibleVolatileImage(int width, int height, 97 ImageCapabilities caps) 98 { 99 return createCompatibleVolatileImage( width, height ); 100 } 101 getBounds()102 public Rectangle getBounds() 103 { 104 return bounds; 105 } 106 getColorModel()107 public ColorModel getColorModel() 108 { 109 // FIXME? 110 return QtToolkit.getDefaultToolkit().getColorModel(); 111 } 112 getColorModel(int transparency)113 public ColorModel getColorModel(int transparency) 114 { 115 // FIXME? 116 return QtToolkit.getDefaultToolkit().getColorModel(); 117 } 118 getDefaultTransform()119 public AffineTransform getDefaultTransform() 120 { 121 return new AffineTransform(); 122 } 123 getDevice()124 public GraphicsDevice getDevice() 125 { 126 return owner; 127 } 128 129 /** 130 * Returns the transform which transforms from this display's resolution 131 * to a 72 DPI resolution. 132 */ getNormalizingTransform()133 public AffineTransform getNormalizingTransform() 134 { 135 AffineTransform nTrans = new AffineTransform(); 136 nTrans.scale( 72.0 / dpiX, 72.0 / dpiY ); 137 return nTrans; 138 } 139 createCompatibleVolatileImage(int width, int height, int transparency)140 public VolatileImage createCompatibleVolatileImage(int width, int height, 141 int transparency) 142 { 143 return createCompatibleVolatileImage(width, height); 144 } 145 } 146