| /* 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(); |
| } |
| } |
| |
| |