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libreoffice/canvas/source/java/SpriteRep.java

221 lines
8.1 KiB
Java

/*************************************************************************
*
* $RCSfile: SpriteRep.java,v $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
// UNO
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XComponentContext;
import com.sun.star.uno.AnyConverter;
import com.sun.star.uno.IQueryInterface;
import com.sun.star.lang.XInitialization;
import com.sun.star.lib.uno.helper.WeakBase;
// OOo AWT
import com.sun.star.awt.*;
// Canvas
import drafts.com.sun.star.rendering.*;
// Java AWT
import java.awt.*;
import java.awt.geom.*;
// system-dependent stuff
import sun.awt.*;
public class SpriteRep
{
private java.awt.image.BufferedImage buffer;
private BitmapCanvas bitmapCanvas;
private double alpha;
private java.awt.geom.Point2D.Double outputPosition;
private boolean bufferOwned;
//----------------------------------------------------------------------------------
// TODO: Everything in this class
// TODO: Implement lifetime control for buffer object, which is shared between SpriteReps
public SpriteRep()
{
CanvasUtils.printLog( "SpriteRep constructor called!" );
alpha = 0.0;
outputPosition = new java.awt.geom.Point2D.Double(0.0,0.0);
bufferOwned = true; // the buffer member is our own, and has to be disposed
}
public SpriteRep( SpriteRep original )
{
CanvasUtils.printLog( "SpriteRep clone constructor called!" );
alpha = 0.0;
outputPosition = new java.awt.geom.Point2D.Double(0.0,0.0);
cloneBuffer( original );
bufferOwned = false; // the buffer member is not our own, and must not be disposed
}
//----------------------------------------------------------------------------------
public synchronized void renderAnimation( XAnimation animation, ViewState viewState, double t )
{
if( bitmapCanvas != null )
{
// clear buffer with all transparent
Graphics2D bitmapGraphics = bitmapCanvas.getGraphics();
// before that, setup _everything_ we might have changed in CanvasUtils.setupGraphicsState
bitmapGraphics.setColor( new Color( 0.0f, 0.0f, 0.0f, 1.0f ) );
bitmapGraphics.setComposite(
java.awt.AlphaComposite.getInstance(java.awt.AlphaComposite.CLEAR));
bitmapGraphics.setTransform( new AffineTransform() );
bitmapGraphics.setClip( new java.awt.Rectangle(0,0,buffer.getWidth(),buffer.getHeight()) );
bitmapGraphics.fillRect(0,0,buffer.getWidth(),buffer.getHeight());
try
{
// now push the animation at time instance t into the
// virginal graphics
animation.render(bitmapCanvas, viewState, t);
}
catch( com.sun.star.lang.IllegalArgumentException e )
{
CanvasUtils.printLog( "Cannot create EmbeddedFrame within VCL window hierarchy!" );
}
}
}
public synchronized void setSpriteAlpha( double _alpha )
{
CanvasUtils.printLog("SpriteRep.setSpriteAlpha called with alpha=" + alpha);
alpha = _alpha;
}
public synchronized void moveSprite( java.awt.geom.Point2D.Double aNewPos )
{
outputPosition = aNewPos;
CanvasUtils.printLog( "SpriteRep.moveSprite: moving to (" + outputPosition.x + ", " + outputPosition.y + ")" );
}
public synchronized void redraw( Graphics2D output )
{
if( buffer != null )
{
CanvasUtils.printLog( "SpriteRep.redraw: compositing with alpha=" + alpha );
output.setComposite( java.awt.AlphaComposite.getInstance(java.awt.AlphaComposite.SRC_OVER, (float)alpha) );
output.drawImage( buffer,
(int)(outputPosition.getX() + .5),
(int)(outputPosition.getY() + .5),
null );
//CanvasUtils.postRenderImageTreatment( buffer );
CanvasUtils.printLog( "SpriteRep.redraw called, output rect is (" +
outputPosition.getX() + ", " +
outputPosition.getY() + ", " +
buffer.getWidth() + ", " +
buffer.getHeight() + ")" );
}
}
public synchronized void setupBuffer( java.awt.Graphics2D graphics, int width, int height )
{
if( bitmapCanvas != null )
bitmapCanvas.dispose();
if( buffer != null )
buffer.flush();
buffer = graphics.getDeviceConfiguration().createCompatibleImage(Math.max(1,width),
Math.max(1,height),
Transparency.TRANSLUCENT);
bitmapCanvas = new BitmapCanvas(buffer.createGraphics());
CanvasUtils.initGraphics( bitmapCanvas.getGraphics() );
CanvasUtils.printLog( "SpriteRep.setupBuffer called, with dimensions (" + width + ", " + height + ")" );
}
public synchronized void cloneBuffer( SpriteRep original )
{
buffer = original.buffer;
}
public synchronized drafts.com.sun.star.rendering.XCanvas getContentCanvas()
{
CanvasUtils.printLog( "SpriteRep.getContentCanvas() called" );
Graphics2D graphics = bitmapCanvas.getGraphics();
graphics.setTransform( new AffineTransform() );
graphics.setComposite( AlphaComposite.getInstance(AlphaComposite.CLEAR));
graphics.fillRect( 0,0,buffer.getWidth(),buffer.getHeight() );
return bitmapCanvas;
}
public void dispose()
{
if( bitmapCanvas != null )
bitmapCanvas.dispose();
if( buffer != null && bufferOwned )
buffer.flush();
bitmapCanvas = null;
buffer = null;
}
}