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+/* QtComponentGraphics.java --
+ Copyright (C) 2005, 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.qt;
+
+import java.awt.Color;
+import java.awt.GraphicsConfiguration;
+import java.awt.Graphics;
+import java.awt.Rectangle;
+
+/**
+ * QtComponentPainter is a Graphics2D context for painting directly to AWT
+ * components. They require an existing QPainter object (the one passed into
+ * the native paint method), and are created there (ONLY).
+ *
+ * Since this context does direct on-screen drawing it is NOT thread-safe,
+ * and should NOT be used outside the thread in which it was created.
+ *
+ * In other words,
+ * this is intended for use by QtComponentPeer.paintEvent() only.
+ *
+ */
+public class QtComponentGraphics extends QtGraphics
+{
+ private QtComponentPeer peer;
+
+ /**
+ * Creates a new ComponentGraphics from an *existing* QPainter object.
+ *
+ * @param ptr the pointer to the QPainter object.
+ */
+ public QtComponentGraphics(long ptr, QtComponentPeer component,
+ int x, int y, int w, int h)
+ {
+ nativeObject = ptr;
+ peer = component;
+
+ Rectangle r = new Rectangle(x, y, w, h);
+ initialClip = r;
+
+ setAlpha( 1.0 );
+ Color c = component.owner.getBackground();
+ if(c == null)
+ setBackground(Color.white);
+ else
+ setBackground( c );
+
+ c = component.owner.getForeground();
+ if(c == null)
+ setColor( Color.black );
+ else
+ setColor( c );
+ setup();
+ setClip( initialClip );
+ }
+
+ /**
+ * Copying constructor
+ */
+ QtComponentGraphics( QtComponentGraphics g )
+ {
+ super( g ); // Slalom is fun
+ }
+
+ public Graphics create()
+ {
+ return new QtComponentGraphics( this );
+ }
+
+ /**
+ * This is a tricky one
+ */
+ public void copyArea(int x, int y, int width, int height,
+ int dx, int dy)
+ {
+ // FIXME
+ }
+
+ /**
+ * Returns the GraphicsConfiguration of the context component.
+ */
+ public GraphicsConfiguration getDeviceConfiguration()
+ {
+ return peer.getGraphicsConfiguration();
+ }
+}
+
+