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

   1: /* GdkGraphicsConfiguration.java -- describes characteristics of graphics
   2:    Copyright (C) 2000, 2001, 2002, 2003, 2004 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.Toolkit;
  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.VolatileImage;
  52: 
  53: public class GdkGraphicsConfiguration 
  54:   extends GraphicsConfiguration
  55: {
  56:   GdkScreenGraphicsDevice gdkScreenGraphicsDevice;
  57:   ColorModel cm;
  58:   Rectangle bounds;
  59: 
  60:   public GdkGraphicsConfiguration(GdkScreenGraphicsDevice dev)
  61:   {
  62:     this.gdkScreenGraphicsDevice = dev;
  63:     cm = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB).getColorModel();
  64:     bounds = ((GtkToolkit) Toolkit.getDefaultToolkit()).getBounds();
  65:   }
  66: 
  67:   public GraphicsDevice getDevice()
  68:   {
  69:     return gdkScreenGraphicsDevice;
  70:   }
  71: 
  72:   public BufferedImage createCompatibleImage(int w, int h)
  73:   {
  74:     return new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
  75:   }
  76: 
  77:   public BufferedImage createCompatibleImage(int w, int h, 
  78:                                              int transparency)
  79:   {
  80:     return createCompatibleImage(w, h);
  81:   }
  82: 
  83:   public VolatileImage createCompatibleVolatileImage(int w, int h)
  84:   {
  85:     return new GtkVolatileImage(w, h);
  86:   }
  87: 
  88:   public VolatileImage createCompatibleVolatileImage(int w, int h,
  89:                                                      ImageCapabilities caps)
  90:     throws java.awt.AWTException
  91:   {
  92:     return new GtkVolatileImage(w, h, caps);
  93:   }
  94: 
  95:   public ColorModel getColorModel()
  96:   {
  97:     return cm;
  98:   }
  99: 
 100:   public ColorModel getColorModel(int transparency)
 101:   {
 102:     return getColorModel();
 103:   }
 104: 
 105:   public AffineTransform getDefaultTransform()
 106:   {
 107:     // FIXME: extract the GDK DPI information here.
 108:     return new AffineTransform();
 109:   }
 110: 
 111:   public AffineTransform getNormalizingTransform()
 112:   {
 113:     // FIXME: extract the GDK DPI information here.
 114:     return new AffineTransform();
 115:   }
 116: 
 117:   public Rectangle getBounds()
 118:   {
 119:     return bounds;
 120:   }
 121: 
 122:   public BufferCapabilities getBufferCapabilities()
 123:   {
 124:     return new BufferCapabilities(getImageCapabilities(), 
 125:                                   getImageCapabilities(),
 126:                                   BufferCapabilities.FlipContents.UNDEFINED);
 127:   }
 128: 
 129:   public ImageCapabilities getImageCapabilities()
 130:   {
 131:     return new ImageCapabilities(false);
 132:   }
 133: 
 134:   public VolatileImage createCompatibleVolatileImage(int width, int height, int transparency)
 135:   {
 136:       // FIXME: implement
 137:     return null;
 138:   }
 139: 
 140: }