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Diffstat (limited to 'canvas/source/java/CanvasBitmap.java')
| -rw-r--r-- | canvas/source/java/CanvasBitmap.java | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/canvas/source/java/CanvasBitmap.java b/canvas/source/java/CanvasBitmap.java new file mode 100644 index 000000000000..cfb7617dc094 --- /dev/null +++ b/canvas/source/java/CanvasBitmap.java @@ -0,0 +1,252 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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.*; + +public class CanvasBitmap + extends CanvasBase + implements com.sun.star.lang.XServiceInfo, + com.sun.star.rendering.XBitmapCanvas, + com.sun.star.rendering.XIntegerBitmap +{ + private java.awt.image.BufferedImage bitmap; + private java.awt.Graphics2D graphics; + + public CanvasBitmap( java.awt.image.BufferedImage _bitmap ) + { + bitmap = _bitmap; + graphics = bitmap.createGraphics(); + } + + public CanvasBitmap( IntegerSize2D mySize ) + { + bitmap = new java.awt.image.BufferedImage(mySize.Width, mySize.Height, + java.awt.image.BufferedImage.TYPE_4BYTE_ABGR); + graphics = bitmap.createGraphics(); + } + + public CanvasBitmap( RealSize2D newSize, boolean beFast, CanvasBitmap source ) + { +// java.awt.geom.AffineTransform transform = new java.awt.geom.AffineTransform(); +// transform.scale( newSize.width/size.Width, newSize.height/size.Height ); + +// // TODO: Maybe keep the image returned via +// // bitmap.getScaledInstance, and do scaling lazy. +// bitmap = new java.awt.image.BufferedImage((int)(newSize.width+.5), +// (int)(newSize.height+.5), +// java.awt.image.BufferedImage.TYPE_4BYTE_ABGR); + +// java.awt.image.AffineTransformOp transformer = +// new java.awt.image.AffineTransformOp( transform, +// java.awt.image.AffineTransformOp.TYPE_BILINEAR); + +// transformer.filter(source.getBufferedImage(), bitmap); + } + + public synchronized java.awt.image.BufferedImage getBufferedImage() + { + return bitmap; + } + + public java.awt.Graphics2D getGraphics() + { + return graphics; + } + + // + // XBitmap implementation + // ====================== + // + + public synchronized IntegerSize2D getSize() + { + return new IntegerSize2D( bitmap.getWidth(), + bitmap.getHeight() ); + } + + //---------------------------------------------------------------------------------- + + public synchronized XBitmapCanvas queryBitmapCanvas() + { + return this; + } + + //---------------------------------------------------------------------------------- + + public synchronized com.sun.star.rendering.XBitmap getScaledBitmap( RealSize2D newSize, boolean beFast ) throws com.sun.star.lang.IllegalArgumentException, VolatileContentDestroyedException + { + return new CanvasBitmap( newSize, beFast, this ); + } + + //---------------------------------------------------------------------------------- + + public synchronized boolean hasAlpha() + { + // TODO + return false; + } + + //---------------------------------------------------------------------------------- + + // + // XBitmapCanvas impl + // ================== + // + + public synchronized void copyRect( com.sun.star.rendering.XBitmapCanvas sourceCanvas, + com.sun.star.geometry.RealRectangle2D sourceRect, + com.sun.star.rendering.ViewState sourceViewState, + com.sun.star.rendering.RenderState sourceRenderState, + com.sun.star.geometry.RealRectangle2D destRect, + com.sun.star.rendering.ViewState destViewState, + com.sun.star.rendering.RenderState destRenderState ) + { + CanvasUtils.printLog( "JavaCanvas.copyRect() called" ); + + // TODO: create temp image when transform is non-trivial + + if( sourceCanvas == this ) + { + // copy rectangle within the canvas + getGraphics().copyArea((int)sourceRect.X1, + (int)sourceRect.Y1, + (int)(sourceRect.X2 - sourceRect.X1), + (int)(sourceRect.Y2 - sourceRect.Y1), + (int)(destRect.X1 - sourceRect.X1), + (int)(destRect.Y1 - sourceRect.Y1) ); + } + else + { + if( sourceCanvas instanceof JavaCanvas ) + { + // cache + CanvasUtils.setupGraphicsState( getGraphics(), destViewState, destRenderState, CanvasUtils.alsoSetupPaint ); + + java.awt.Image backBuffer = ((JavaCanvas)sourceCanvas).backBuffer.getBackBuffer(); + + // TODO: really extract correct source rect here + getGraphics().drawImage( backBuffer, 0, 0, null); + CanvasUtils.postRenderImageTreatment( backBuffer ); + } + // TODO: foreign canvas + } + } + + //---------------------------------------------------------------------------------- + + // + // XIntegerBitmap implementation + // ============================= + // + + public synchronized byte[] getData( IntegerBitmapLayout[] bitmapLayout, + IntegerRectangle2D rect ) + { + int [] pixelData = bitmap.getRGB( rect.X1, rect.Y1, rect.X2 - rect.X1, rect.Y1 - rect.Y2, null, 0, 0 ); + + return CanvasUtils.int2byte( pixelData ); + } + + //---------------------------------------------------------------------------------- + + public synchronized void setData( byte[] data, IntegerBitmapLayout bitmapLayout, com.sun.star.geometry.IntegerRectangle2D rect ) + { + int [] pixelData = CanvasUtils.byte2int( data ); + bitmap.setRGB( rect.X1, rect.Y1, rect.X2 - rect.X1, rect.Y2 - rect.Y1, pixelData, 0, bitmap.getWidth() ); + } + + //---------------------------------------------------------------------------------- + + public synchronized void setPixel( byte[] color, IntegerBitmapLayout bitmapLayout, com.sun.star.geometry.IntegerPoint2D pos ) + { + if( color.length != 4 ) + CanvasUtils.printLog( "CanvasBitmap.setPixel: Wrong color format" ); + + int pixel = color[0] + (color[1] + (color[2] + color[3]*256)*256)*256; + bitmap.setRGB( pos.X, pos.Y, pixel ); + } + + //---------------------------------------------------------------------------------- + + public synchronized byte[] getPixel( IntegerBitmapLayout[] bitmapLayout, + IntegerPoint2D pos ) + { + int pixel = bitmap.getRGB( pos.X, pos.Y ); + + byte[] res = new byte[4]; + res[0] = (byte)(pixel & 255); + res[1] = (byte)((pixel/256) & 255); + res[2] = (byte)((pixel/256/256) & 255); + res[3] = (byte)((pixel/256/256/256) & 255); + + return res; + } + + //---------------------------------------------------------------------------------- + + public synchronized XBitmapPalette getPalette() + { + return null; + } + + //---------------------------------------------------------------------------------- + + public synchronized IntegerBitmapLayout getMemoryLayout() + { + // TODO: finish that one + IntegerBitmapLayout layout = new IntegerBitmapLayout(); + + return layout; + } + + //---------------------------------------------------------------------------------- + + // + // XServiceInfo impl + // ================= + // + + private static final String s_implName = "XIntegerBitmap.java.impl"; + private static final String s_serviceName = "com.sun.star.rendering.IntegerBitmap"; + + public String getImplementationName() + { + return s_implName; + } + + public String [] getSupportedServiceNames() + { + return new String [] { s_serviceName }; + } + + public boolean supportsService( String serviceName ) + { + return serviceName.equals( s_serviceName ); + } +} |