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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: SpriteRep.java,v $
* $Revision: 1.7 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// Canvas
import com.sun.star.rendering.*;
// Java AWT
import java.awt.*;
import java.awt.geom.*;
public class SpriteRep
{
private java.awt.image.BufferedImage buffer;
private CanvasBitmap canvasBitmap;
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( canvasBitmap != null )
{
// clear buffer with all transparent
Graphics2D bitmapGraphics = canvasBitmap.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(canvasBitmap, 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( canvasBitmap != null )
canvasBitmap.dispose();
if( buffer != null )
buffer.flush();
buffer = graphics.getDeviceConfiguration().createCompatibleImage(Math.max(1,width),
Math.max(1,height),
Transparency.TRANSLUCENT);
canvasBitmap = new CanvasBitmap( buffer );
CanvasUtils.initGraphics( canvasBitmap.getGraphics() );
CanvasUtils.printLog( "SpriteRep.setupBuffer called, with dimensions (" + width + ", " + height + ")" );
}
public synchronized void cloneBuffer( SpriteRep original )
{
buffer = original.buffer;
}
public synchronized com.sun.star.rendering.XCanvas getContentCanvas()
{
CanvasUtils.printLog( "SpriteRep.getContentCanvas() called" );
Graphics2D graphics = canvasBitmap.getGraphics();
graphics.setTransform( new AffineTransform() );
graphics.setComposite( AlphaComposite.getInstance(AlphaComposite.CLEAR));
graphics.fillRect( 0,0,buffer.getWidth(),buffer.getHeight() );
return canvasBitmap;
}
public void dispose()
{
if( canvasBitmap != null )
canvasBitmap.dispose();
if( buffer != null && bufferOwned )
buffer.flush();
canvasBitmap = null;
buffer = null;
}
}
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