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+/* CairoSurfaceGraphics.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.Color;
+import java.awt.Image;
+import java.awt.Point;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.*;
+
+/**
+ * Implementation of Graphics2D on a Cairo surface.
+ */
+public class CairoSurfaceGraphics extends CairoGraphics2D
+{
+ protected CairoSurface surface;
+ private long cairo_t;
+
+ /**
+ * Create a graphics context from a cairo surface
+ */
+ public CairoSurfaceGraphics(CairoSurface surface)
+ {
+ this.surface = surface;
+ cairo_t = surface.newCairoContext();
+ setup( cairo_t );
+ setClip(0, 0, surface.width, surface.height);
+ }
+
+ /**
+ * Creates another context from a surface.
+ * Used by create().
+ */
+ private CairoSurfaceGraphics(CairoSurfaceGraphics copyFrom)
+ {
+ surface = copyFrom.surface;
+ cairo_t = surface.newCairoContext();
+ copy( copyFrom, cairo_t );
+ setClip(0, 0, surface.width, surface.height);
+ }
+
+ public Graphics create()
+ {
+ return new CairoSurfaceGraphics(this);
+ }
+
+ public GraphicsConfiguration getDeviceConfiguration()
+ {
+ throw new UnsupportedOperationException();
+ }
+
+ protected Rectangle2D getRealBounds()
+ {
+ return new Rectangle2D.Double(0.0, 0.0, surface.width, surface.height);
+ }
+
+ public void copyAreaImpl(int x, int y, int width, int height, int dx, int dy)
+ {
+ surface.copyAreaNative(x, y, width, height, dx, dy, surface.width);
+ }
+}