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