Initial revision

From-SVN: r104578

libjava/classpath/gnu/java/awt/peer/qt/QtScreenDeviceConfiguration.java

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+/* QtScreenDeviceConfiguration.java --
+   Copyright (C)  2005  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.java.awt.peer.qt;
+
+import java.awt.DisplayMode;
+import java.awt.ImageCapabilities;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsDevice;
+import java.awt.GraphicsConfigTemplate;
+import java.awt.Rectangle;
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.VolatileImage;
+import java.awt.geom.AffineTransform;
+
+public class QtScreenDeviceConfiguration extends GraphicsConfiguration {
+  
+  private QtScreenDevice owner;
+  private Rectangle bounds;
+  private double dpiX, dpiY;
+  private int depth;
+
+  public QtScreenDeviceConfiguration(QtScreenDevice owner)
+  {
+    this.owner = owner;
+    bounds = owner.getBounds();
+    dpiX = owner.getDpiX();
+    dpiY = owner.getDpiY();
+    depth = owner.depth();
+  }
+
+  public BufferedImage createCompatibleImage(int width, int height)
+  {
+    switch( depth )
+      {
+      case 24:
+	return new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR);
+      case 16:
+	return new BufferedImage(width, height, 
+				 BufferedImage.TYPE_USHORT_565_RGB);
+      case 8:
+	return new BufferedImage(width, height, BufferedImage.TYPE_BYTE_INDEXED);
+      default:
+      case 32:
+	return new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
+      }
+  }
+
+  public BufferedImage createCompatibleImage(int width, int height, int transparency)
+  {
+    // FIXME: Take the transpareny flag into account? 
+    // For now, ignore it and just use an alpha channel.
+    if(depth == 32)
+      return new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+    return createCompatibleImage(width, height);
+  }
+
+  public VolatileImage createCompatibleVolatileImage(int width, int height)
+  {
+    return new QtVolatileImage( width, height );
+  }
+  
+  public VolatileImage createCompatibleVolatileImage(int width, int height, 
+						     ImageCapabilities caps)
+  {
+    return createCompatibleVolatileImage( width, height );
+  }
+
+  public Rectangle getBounds()
+  {
+    return bounds;
+  }
+
+  public ColorModel getColorModel()
+  {
+    // FIXME?
+    return QtToolkit.getDefaultToolkit().getColorModel();
+  }
+
+  public ColorModel getColorModel(int transparency)
+  {
+    // FIXME?
+    return QtToolkit.getDefaultToolkit().getColorModel();
+  }
+
+  public AffineTransform getDefaultTransform()
+  {
+    return new AffineTransform();
+  }
+
+  public GraphicsDevice	getDevice()
+  {
+    return owner;
+  }
+
+  /**
+   * Returns the transform which transforms from this display's resolution
+   * to a 72 DPI resolution.
+   */
+  public AffineTransform getNormalizingTransform()
+  {
+    AffineTransform nTrans = new AffineTransform();
+    nTrans.scale( 72.0 / dpiX, 72.0 / dpiY );
+    return nTrans;
+  }
+
+  public VolatileImage createCompatibleVolatileImage(int width, int height, 
+						     int transparency)
+  {
+    return createCompatibleVolatileImage(width, height);
+  }
+}