mirror of git://gcc.gnu.org/git/gcc.git
144 lines
4.1 KiB
Java
144 lines
4.1 KiB
Java
/* QtImageGraphics.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.awt.peer.qt;
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import java.awt.Color;
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import java.awt.GraphicsConfiguration;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.Image;
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import java.awt.Paint;
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import java.awt.Rectangle;
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import java.util.Stack;
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/**
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* QtComponentPainter is a Graphics2D context for painting to QtImage and
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* QtVolatileImages.
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*/
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public class QtImageGraphics extends QtGraphics
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{
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Image parentImage;
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Stack owners;
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QtImageGraphics topParent;
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public QtImageGraphics(Image image)
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{
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if(!( image instanceof QtVolatileImage || image instanceof QtImage))
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throw new IllegalArgumentException("Cannot create QtImageGraphics for a non-QImage context.");
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owners = new Stack();
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owners.push(this);
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topParent = null;
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int w, h;
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if(image instanceof QtImage)
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{
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w = ((QtImage)image).width;
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h = ((QtImage)image).height;
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initImage((QtImage) image );
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((QtImage)image).putPainter( this );
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}
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else
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{
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w = ((QtVolatileImage)image).width;
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h = ((QtVolatileImage)image).height;
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initVolatileImage((QtVolatileImage) image );
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((QtVolatileImage)image).putPainter( this );
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}
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parentImage = image;
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initialClip = new Rectangle( 0, 0, w, h );
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setClip( initialClip );
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setBackground(Color.white); // fixme
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currentAlpha = 1.0;
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setColor(Color.black);
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setup();
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}
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/**
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* Copying constructor
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*/
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QtImageGraphics( QtImageGraphics g )
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{
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super( g );
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parentImage = g.parentImage;
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if(parentImage instanceof QtImage)
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((QtImage)parentImage).putPainter( this );
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else
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((QtVolatileImage)parentImage).putPainter( this );
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}
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public void dispose()
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{
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delete();
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if( parentImage instanceof QtImage )
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((QtImage)parentImage).removePainter( this );
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else
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((QtVolatileImage)parentImage).removePainter( this );
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}
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/**
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* Create a copy of this context.
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*/
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public Graphics create()
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{
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return new QtImageGraphics( this );
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}
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/**
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* Copy an area.
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*/
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public void copyArea(int x, int y, int width, int height,
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int dx, int dy)
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{
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if(parentImage instanceof QtImage)
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((QtImage)parentImage).copyArea(x, y, width, height, dx, dy);
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else
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((QtVolatileImage)parentImage).copyArea(x, y, width, height, dx, dy);
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}
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/**
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* Returns the GraphicsConfiguration of the context component.
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*/
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public GraphicsConfiguration getDeviceConfiguration()
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{
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throw new UnsupportedOperationException("Not implemented yet");
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}
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}
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