Source for gnu.java.awt.peer.gtk.GdkGraphicsConfiguration

   1: /* GdkGraphicsConfiguration.java -- describes characteristics of graphics
   2:    Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006 Free Software Foundation
   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.BufferCapabilities;
  41: import java.awt.GraphicsConfiguration;
  42: import java.awt.GraphicsDevice;
  43: import java.awt.ImageCapabilities;
  44: import java.awt.Rectangle;
  45: import java.awt.Transparency;
  46: 
  47: import java.awt.geom.AffineTransform;
  48: 
  49: import java.awt.image.BufferedImage;
  50: import java.awt.image.ColorModel;
  51: import java.awt.image.DirectColorModel;
  52: import java.awt.image.VolatileImage;
  53: 
  54: public class GdkGraphicsConfiguration
  55:   extends GraphicsConfiguration
  56: {
  57:   GdkScreenGraphicsDevice gdkScreenGraphicsDevice;
  58: 
  59:   ColorModel opaqueColorModel;
  60: 
  61:   ColorModel bitmaskColorModel;
  62: 
  63:   ColorModel translucentColorModel;
  64: 
  65:   public GdkGraphicsConfiguration(GdkScreenGraphicsDevice dev)
  66:   {
  67:     gdkScreenGraphicsDevice = dev;
  68: 
  69:     opaqueColorModel = new DirectColorModel(32, 0xFF0000, 0xFF00, 0xFF, 0);
  70:     bitmaskColorModel = new DirectColorModel(32, 0xFF0000, 0xFF00, 0xFF, 0x1000000);
  71:     translucentColorModel = new DirectColorModel(32, 0xFF0000, 0xFF00, 0xFF, 0xFF000000);
  72:   }
  73: 
  74:   public GraphicsDevice getDevice()
  75:   {
  76:     return gdkScreenGraphicsDevice;
  77:   }
  78: 
  79:   public BufferedImage createCompatibleImage(int w, int h)
  80:   {
  81:     return new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
  82:   }
  83: 
  84:   public BufferedImage createCompatibleImage(int w, int h,
  85:                                              int transparency)
  86:   {
  87:     return createCompatibleImage(w, h);
  88:   }
  89: 
  90:   public VolatileImage createCompatibleVolatileImage(int w, int h)
  91:   {
  92:     return new GtkVolatileImage(w, h);
  93:   }
  94: 
  95:   public VolatileImage createCompatibleVolatileImage(int w, int h,
  96:                                                      ImageCapabilities caps)
  97:     throws java.awt.AWTException
  98:   {
  99:     return new GtkVolatileImage(w, h, caps);
 100:   }
 101: 
 102:   public ColorModel getColorModel()
 103:   {
 104:     return opaqueColorModel;
 105:   }
 106: 
 107:   public ColorModel getColorModel(int transparency)
 108:   {
 109:     switch (transparency)
 110:     {
 111:       case Transparency.OPAQUE:
 112:         return opaqueColorModel;
 113:       case Transparency.BITMASK:
 114:         return bitmaskColorModel;
 115:       default:
 116:       case Transparency.TRANSLUCENT:
 117:         return translucentColorModel;
 118:     }
 119:   }
 120: 
 121:   public AffineTransform getDefaultTransform()
 122:   {
 123:     // FIXME: extract the GDK DPI information here.
 124:     return new AffineTransform();
 125:   }
 126: 
 127:   public AffineTransform getNormalizingTransform()
 128:   {
 129:     // FIXME: extract the GDK DPI information here.
 130:     return new AffineTransform();
 131:   }
 132: 
 133:   public Rectangle getBounds()
 134:   {
 135:     return gdkScreenGraphicsDevice.getBounds();
 136:   }
 137: 
 138:   public BufferCapabilities getBufferCapabilities()
 139:   {
 140:     return new BufferCapabilities(getImageCapabilities(),
 141:                                   getImageCapabilities(),
 142:                                   BufferCapabilities.FlipContents.UNDEFINED);
 143:   }
 144: 
 145:   public ImageCapabilities getImageCapabilities()
 146:   {
 147:     return new ImageCapabilities(false);
 148:   }
 149: 
 150:   public VolatileImage createCompatibleVolatileImage(int width, int height, int transparency)
 151:   {
 152:       // FIXME: support the transparency argument
 153:     return new GtkVolatileImage(width, height);
 154:   }
 155: 
 156: }