| /* 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.Graphics; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.Image; |
| import java.awt.geom.Rectangle2D; |
| import java.awt.image.ImageObserver; |
| |
| 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 ); |
| } |
| |
| private VolatileImageGraphics(VolatileImageGraphics copy) |
| { |
| this.owner = copy.owner; |
| cairo_t = initFromVolatile(owner.nativePointer, 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 owner.component.getGraphicsConfiguration(); |
| } |
| |
| 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 ); |
| } |
| |
| protected Rectangle2D getRealBounds() |
| { |
| return new Rectangle2D.Double(0, 0, owner.width, owner.height); |
| } |
| } |
| |