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+/* VolatileImageGraphics.java
+ Copyright (C) 2006 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.gtk;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.Image;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.font.GlyphVector;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBuffer;
+import java.awt.image.DataBufferInt;
+import java.awt.image.ColorModel;
+import java.awt.image.DirectColorModel;
+import java.awt.image.RenderedImage;
+import java.awt.image.ImageObserver;
+import java.util.WeakHashMap;
+
+public class VolatileImageGraphics extends ComponentGraphics
+{
+ private GtkVolatileImage owner;
+
+ public VolatileImageGraphics(GtkVolatileImage img)
+ {
+ this.owner = img;
+ cairo_t = initFromVolatile( owner.nativePointer, img.width, img.height );
+ setup( cairo_t );
+ setClip( new Rectangle( 0, 0, img.width, img.height) );
+ }
+
+ private VolatileImageGraphics(VolatileImageGraphics copy)
+ {
+ this.owner = copy.owner;
+ initFromVolatile( owner.nativePointer, owner.width, owner.height );
+ setClip( new Rectangle( 0, 0, owner.width, owner.height) );
+ copy( copy, cairo_t );
+ }
+
+ public void copyAreaImpl(int x, int y, int width, int height, int dx, int dy)
+ {
+ owner.copyArea(x, y, width, height, dx, dy);
+ }
+
+ public GraphicsConfiguration getDeviceConfiguration()
+ {
+ return null;
+ }
+
+ public Graphics create()
+ {
+ return new VolatileImageGraphics( this );
+ }
+
+
+ public boolean drawImage(Image img, int x, int y, ImageObserver observer)
+ {
+ if( img instanceof GtkVolatileImage )
+ {
+ owner.drawVolatile( ((GtkVolatileImage)img).nativePointer,
+ x, y,
+ ((GtkVolatileImage)img).width,
+ ((GtkVolatileImage)img).height );
+ return true;
+ }
+ return super.drawImage( img, x, y, observer );
+ }
+
+ public boolean drawImage(Image img, int x, int y, int width, int height,
+ ImageObserver observer)
+ {
+ if( img instanceof GtkVolatileImage )
+ {
+ owner.drawVolatile( ((GtkVolatileImage)img).nativePointer,
+ x, y, width, height );
+ return true;
+ }
+ return super.drawImage( img, x, y, width, height, observer );
+ }
+}
+