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libreoffice/canvas/source/java/CanvasSprite.java
Rüdiger Timm 0b41de72a8 INTEGRATION: CWS changefileheader (1.6.142); FILE MERGED
2008/03/28 16:35:05 rt 1.6.142.1: #i87441# Change license header to LPGL v3.
2008-04-11 08:24:04 +00:00

323 lines
10 KiB
Java

/*************************************************************************
*
* 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: CanvasSprite.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.
*
************************************************************************/
// 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 com.sun.star.rendering.*;
import com.sun.star.geometry.*;
// Java AWT
import java.awt.*;
import java.awt.geom.*;
public class CanvasSprite
extends com.sun.star.lib.uno.helper.ComponentBase
implements com.sun.star.rendering.XAnimatedSprite,
com.sun.star.lang.XServiceInfo,
SpriteBase
{
private XAnimation spriteAnimation;
private JavaCanvas canvas;
private Graphics2D referenceGraphics;
private SpriteRunner runner;
private ViewState viewState;
private double alpha;
private java.awt.geom.Point2D.Double outputPosition;
private SpriteRep spriteRep;
//----------------------------------------------------------------------------------
public CanvasSprite( XAnimation _animation, JavaCanvas _canvas, Graphics2D _referenceGraphics )
{
CanvasUtils.printLog( "CanvasSprite constructor called!" );
spriteAnimation = _animation;
canvas = _canvas;
referenceGraphics = _referenceGraphics;
alpha = 0.0;
outputPosition = new java.awt.geom.Point2D.Double(0.0,0.0);
runner = new SpriteRunner( this, spriteAnimation, canvas );
}
public synchronized ViewState getViewState()
{
return viewState;
}
//----------------------------------------------------------------------------------
//
// SpriteBase
// ==========
//
public synchronized SpriteRep getSpriteRep()
{
if( spriteRep == null )
{
spriteRep = new SpriteRep();
setupSpriteBuffering( CanvasUtils.makeTransform( getViewState().AffineTransform ) );
spriteRep.moveSprite( outputPosition );
spriteRep.setSpriteAlpha( alpha );
// render initial sprite content
updateAnimation();
}
return spriteRep;
}
//----------------------------------------------------------------------------------
//
// XComponent
// ==========
//
public void dispose()
{
// end the animation thread
if( runner != null )
{
runner.quit();
try
{
runner.join(0); // and wait until it's really over
}
catch( java.lang.InterruptedException e ) {}
}
if( spriteRep != null )
spriteRep.dispose();
canvas = null;
spriteAnimation = null;
runner = null;
referenceGraphics = null;
spriteRep = null;
super.dispose();
}
//----------------------------------------------------------------------------------
//
// XSprite impl
// ============
//
public synchronized void startAnimation( double speed )
{
runner.startAnimation( speed );
}
public synchronized void stopAnimation()
{
runner.stopAnimation();
}
public synchronized void resetAnimation()
{
runner.resetAnimation();
}
public synchronized void updateAnimation()
{
// only call render explicitely, if animation not
// running. Otherwise, next animation render will update
// anyway.
if( spriteRep != null &&
!runner.isAnimationActive() )
{
spriteRep.renderAnimation( spriteAnimation, getViewState(), runner.getCurrentT() );
}
}
public synchronized void setPriority( double nPriority )
{
// TODO
}
public synchronized void setAlpha( double _alpha )
{
alpha = _alpha;
if( spriteRep != null )
{
spriteRep.setSpriteAlpha( alpha );
}
}
public synchronized void move( com.sun.star.geometry.RealPoint2D _aNewPos,
com.sun.star.rendering.ViewState _viewState,
com.sun.star.rendering.RenderState _renderState )
{
// transform given point with concatenated transformation
AffineTransform transform = CanvasUtils.ViewConcatRenderTransform( _viewState, _renderState );
transform.transform( new java.awt.geom.Point2D.Double(_aNewPos.X,
_aNewPos.Y),
outputPosition );
if( spriteRep != null )
{
spriteRep.moveSprite( outputPosition );
}
}
public synchronized void transform( AffineMatrix2D aTransformation ) throws com.sun.star.lang.IllegalArgumentException
{
// TODO
}
public synchronized void clip( XPolyPolygon2D aClip )
{
// TODO
}
public synchronized void show()
{
canvas.showSprite( this );
canvas.updateScreen( false );
}
public synchronized void hide()
{
canvas.hideSprite( this );
// dispose and clear SpriteRep, animation content can be
// regenerated at any time
if( spriteRep != null )
spriteRep.dispose();
spriteRep = null;
}
public synchronized void setViewState( ViewState _viewState )
{
viewState = CanvasUtils.createAnimationViewState(_viewState,
getAnimationAttributes());
CanvasUtils.printTransform( CanvasUtils.makeTransform( viewState.AffineTransform ),
"CanvasSprite.setViewState" );
if( spriteRep != null )
{
// calculate bounds of view-transformed animation output rectangle
setupSpriteBuffering( CanvasUtils.makeTransform(getViewState().AffineTransform) );
updateAnimation();
}
}
public synchronized AnimationAttributes getAnimationAttributes()
{
return spriteAnimation.getAnimationAttributes();
}
public synchronized void setAll( RealPoint2D _aNewPos,
ViewState _viewState,
RenderState _renderState,
double _alpha,
boolean bUpdateAnimation )
{
alpha = _alpha;
// transform given point with concatenated transformation
AffineTransform transform = CanvasUtils.ViewConcatRenderTransform( _viewState, _renderState );
transform.transform( new java.awt.geom.Point2D.Double(_aNewPos.X,
_aNewPos.Y),
outputPosition );
if( spriteRep != null )
{
spriteRep.setSpriteAlpha( alpha );
spriteRep.moveSprite( outputPosition );
if( bUpdateAnimation )
updateAnimation();
}
}
//----------------------------------------------------------------------------------
private void setupSpriteBuffering( AffineTransform _viewTransform )
{
// determine bounds of view-transformed animation output rectangle
com.sun.star.geometry.RealSize2D animSize = getAnimationAttributes().UntransformedSize;
java.awt.geom.Rectangle2D.Double aTransformedBounds =
CanvasUtils.calcTransformedRectBounds( new java.awt.geom.Rectangle2D.Double(0.0,0.0,
animSize.Width,
animSize.Height),
_viewTransform );
CanvasUtils.printTransform( _viewTransform, "setupSpriteBuffering" );
CanvasUtils.printLog( "setupSpriteBuffering: bounds are (" + aTransformedBounds.width + ", " + aTransformedBounds.height + ")" );
// create a buffer of the appropriate size
spriteRep.setupBuffer(referenceGraphics, (int)(aTransformedBounds.width+.5),
(int)(aTransformedBounds.height+.5) );
}
//----------------------------------------------------------------------------------
private static final String s_implName = "XSprite.java.impl";
private static final String s_serviceName = "com.sun.star.rendering.Sprite";
//----------------------------------------------------------------------------------
//
// XServiceInfo impl
// =================
//
public String getImplementationName()
{
return s_implName;
}
public String [] getSupportedServiceNames()
{
return new String [] { s_serviceName };
}
public boolean supportsService( String serviceName )
{
return serviceName.equals( s_serviceName );
}
}