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Diffstat (limited to 'canvas/source/java/CanvasSprite.java')
| -rw-r--r-- | canvas/source/java/CanvasSprite.java | 311 |
1 files changed, 311 insertions, 0 deletions
diff --git a/canvas/source/java/CanvasSprite.java b/canvas/source/java/CanvasSprite.java new file mode 100644 index 000000000000..630b9ed386aa --- /dev/null +++ b/canvas/source/java/CanvasSprite.java @@ -0,0 +1,311 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +// 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 ); + } +} |