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Diffstat (limited to 'canvas/source/java/SpriteRep.java')
| -rw-r--r-- | canvas/source/java/SpriteRep.java | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/canvas/source/java/SpriteRep.java b/canvas/source/java/SpriteRep.java new file mode 100644 index 000000000000..62755dd01ec0 --- /dev/null +++ b/canvas/source/java/SpriteRep.java @@ -0,0 +1,178 @@ +/************************************************************************* + * + * 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; + } +} |