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Diffstat (limited to 'libjava/gnu/gcj/awt/ComponentDataBlitOp.java')
-rw-r--r-- | libjava/gnu/gcj/awt/ComponentDataBlitOp.java | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/libjava/gnu/gcj/awt/ComponentDataBlitOp.java b/libjava/gnu/gcj/awt/ComponentDataBlitOp.java deleted file mode 100644 index 34861c65f1d..00000000000 --- a/libjava/gnu/gcj/awt/ComponentDataBlitOp.java +++ /dev/null @@ -1,123 +0,0 @@ -/* Copyright © 2000 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -package gnu.gcj.awt; - -import java.awt.geom.*; -import java.awt.image.*; -import java.awt.RenderingHints; - -/** - * This raster copy operation assumes that both source and destination - * sample models are tightly pixel packed and contain the same number - * of bands. - * - * @throws java.lang.ClassCastException if the sample models of the - * rasters are not of type ComponentSampleModel. - * - * @author Rolf W. Rasmussen <rolfwr@ii.uib.no> - */ -public class ComponentDataBlitOp implements RasterOp -{ - public static ComponentDataBlitOp INSTANCE = new ComponentDataBlitOp(); - - public WritableRaster filter(Raster src, WritableRaster dest) - { - if (dest == null) - dest = createCompatibleDestRaster(src); - - DataBuffer srcDB = src.getDataBuffer(); - DataBuffer destDB = dest.getDataBuffer(); - - ComponentSampleModel srcSM = (ComponentSampleModel) src.getSampleModel(); - ComponentSampleModel destSM = (ComponentSampleModel) dest.getSampleModel(); - - - // Calculate offset to data in the underlying arrays: - - int srcScanlineStride = srcSM.getScanlineStride(); - int destScanlineStride = destSM.getScanlineStride(); - int srcX = src.getMinX() - src.getSampleModelTranslateX(); - int srcY = src.getMinY() - src.getSampleModelTranslateY(); - int destX = dest.getMinX() - dest.getSampleModelTranslateX(); - int destY = dest.getMinY() - dest.getSampleModelTranslateY(); - - int numBands = srcSM.getNumBands(); - - /* We can't use getOffset(x, y) from the sample model since we - don't want the band offset added in. */ - - int srcOffset = - numBands*srcX + srcScanlineStride*srcY + // from sample model - srcDB.getOffset(); // from data buffer - - int destOffset = - numBands*destX + destScanlineStride*destY + // from sample model - destDB.getOffset(); // from data buffer - - // Determine how much, and how many times to blit. - - int rowSize = src.getWidth()*numBands; - int h = src.getHeight(); - - if ((rowSize == srcScanlineStride) && - (rowSize == destScanlineStride)) - { - // collapse scan line blits to one large blit. - rowSize *= h; - h = 1; - } - - - // Do blitting - - Object srcArray = Buffers.getData(srcDB); - Object destArray = Buffers.getData(destDB); - - for (int yd = 0; yd<h; yd++) - { - System.arraycopy(srcArray, srcOffset, - destArray, destOffset, - rowSize); - srcOffset += srcScanlineStride; - destOffset += destScanlineStride; - } - - - return dest; - } - - public Rectangle2D getBounds2D(Raster src) - { - return src.getBounds(); - } - - public WritableRaster createCompatibleDestRaster(Raster src) { - - /* FIXME: Maybe we should explicitly create a raster with a - tightly pixel packed sample model, rather than assuming - that the createCompatibleWritableRaster() method in Raster - will create one. */ - - return src.createCompatibleWritableRaster(); - } - - public Point2D getPoint2D(Point2D srcPoint, Point2D destPoint) - { - if (destPoint == null) - return (Point2D) srcPoint.clone(); - - destPoint.setLocation(srcPoint); - return destPoint; - } - - public RenderingHints getRenderingHints() - { - throw new UnsupportedOperationException("not implemented"); - } -} |