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| author | Andrew Haley <aph@redhat.com> | 2016-09-30 16:24:48 +0000 |
|---|---|---|
| committer | Andrew Haley <aph@gcc.gnu.org> | 2016-09-30 16:24:48 +0000 |
| commit | 07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch) | |
| tree | 3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/java/awt/image/LookupOp.java | |
| parent | eae993948bae8b788c53772bcb9217c063716f93 (diff) | |
| download | gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.zip gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.gz gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.bz2 | |
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com>
* Makefile.def: Remove libjava.
* Makefile.tpl: Likewise.
* Makefile.in: Regenerate.
* configure.ac: Likewise.
* configure: Likewise.
* gcc/java: Remove.
* libjava: Likewise.
From-SVN: r240662
Diffstat (limited to 'libjava/classpath/java/awt/image/LookupOp.java')
| -rw-r--r-- | libjava/classpath/java/awt/image/LookupOp.java | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/libjava/classpath/java/awt/image/LookupOp.java b/libjava/classpath/java/awt/image/LookupOp.java deleted file mode 100644 index 0bc79a0..0000000 --- a/libjava/classpath/java/awt/image/LookupOp.java +++ /dev/null @@ -1,307 +0,0 @@ -/* LookupOp.java -- Filter that converts each pixel using a lookup table. - Copyright (C) 2004 Free Software Foundation - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.awt.image; - -import java.awt.RenderingHints; -import java.awt.geom.Point2D; -import java.awt.geom.Rectangle2D; - -/** - * LookupOp is a filter that converts each pixel using a lookup table. - * - * For filtering Rasters, the lookup table must have either one component - * that is applied to all bands, or one component for every band in the - * Rasters. - * - * For BufferedImages, the lookup table may apply to both color and alpha - * components. If the lookup table contains one component, or if there are - * the same number of components as color components in the source, the table - * applies to all color components. Otherwise the table applies to all - * components including alpha. Alpha premultiplication is ignored during the - * lookup filtering. - * - * After filtering, if color conversion is necessary, the conversion happens, - * taking alpha premultiplication into account. - * - * @author jlquinn - */ -public class LookupOp implements BufferedImageOp, RasterOp -{ - private LookupTable lut; - private RenderingHints hints; - - /** - * Construct a new LookupOp using the given LookupTable. - * - * @param lookup LookupTable to use. - * @param hints Rendering hints (can be null). - */ - public LookupOp(LookupTable lookup, RenderingHints hints) - { - lut = lookup; - this.hints = hints; - } - - /** - * Converts the source image using the lookup table specified in the - * constructor. The resulting image is stored in the destination image if one - * is provided; otherwise a new BufferedImage is created and returned. - * - * The source image cannot use an IndexColorModel, and the destination image - * (if one is provided) must have the same size. - * - * @param src The source image. - * @param dst The destination image. - * @throws IllegalArgumentException if the rasters and/or color spaces are - * incompatible. - * @throws ArrayIndexOutOfBoundsException if a pixel in the source is not - * contained in the LookupTable. - * @return The convolved image. - */ - public final BufferedImage filter(BufferedImage src, BufferedImage dst) - { - if (src.getColorModel() instanceof IndexColorModel) - throw new IllegalArgumentException("LookupOp.filter: IndexColorModel " - + "not allowed"); - - if (lut.getNumComponents() != 1 - && lut.getNumComponents() != src.getColorModel().getNumComponents() - && lut.getNumComponents() != src.getColorModel().getNumColorComponents()) - throw new IllegalArgumentException("LookupOp.filter: Incompatible " + - "lookup table and source image"); - - if (dst == null) - dst = createCompatibleDestImage(src, null); - - else if (src.getHeight() != dst.getHeight() || src.getWidth() != dst.getWidth()) - throw new IllegalArgumentException("Source and destination images are " + - "different sizes."); - - // Set up for potential colormodel mismatch - BufferedImage tgt; - if (dst.getColorModel().equals(src.getColorModel())) - tgt = dst; - else - tgt = createCompatibleDestImage(src, src.getColorModel()); - - Raster sr = src.getRaster(); - WritableRaster dr = tgt.getRaster(); - - if (src.getColorModel().hasAlpha() && - (lut.getNumComponents() == 1 || - lut.getNumComponents() == src.getColorModel().getNumColorComponents())) - { - // Need to ignore alpha for lookup - int[] dbuf = new int[src.getColorModel().getNumComponents()]; - int tmpBands = src.getColorModel().getNumColorComponents(); - int[] tmp = new int[tmpBands]; - - // Filter the pixels - for (int y = src.getMinY(); y < src.getHeight() + src.getMinY(); y++) - for (int x = src.getMinX(); x < src.getWidth() + src.getMinX(); x++) - { - // Filter only color components, but also copy alpha - sr.getPixel(x, y, dbuf); - System.arraycopy(dbuf, 0, tmp, 0, tmpBands); - dr.setPixel(x, y, lut.lookupPixel(tmp, dbuf)); - - /* The reference implementation does not use LookupTable.lookupPixel, - * but rather it seems to copy the table into a native array. The - * effect of this (a probable bug in their implementation) is that - * an out-of-bounds lookup on a ByteLookupTable will *not* throw an - * out of bounds exception, but will instead return random garbage. - * A bad lookup on a ShortLookupTable, however, will throw an - * exception. - * - * Instead of mimicing this behaviour, we always throw an - * ArrayOutofBoundsException by virtue of using - * LookupTable.lookupPixle. - */ - } - } - else - { - // No alpha to ignore - int[] dbuf = new int[src.getColorModel().getNumComponents()]; - - // Filter the pixels - for (int y = src.getMinY(); y < src.getHeight() + src.getMinY(); y++) - for (int x = src.getMinX(); x < src.getWidth() + src.getMinX(); x++) - dr.setPixel(x, y, lut.lookupPixel(sr.getPixel(x, y, dbuf), dbuf)); - } - - if (tgt != dst) - new ColorConvertOp(hints).filter(tgt, dst); - - return dst; - } - - /* (non-Javadoc) - * @see java.awt.image.BufferedImageOp#getBounds2D(java.awt.image.BufferedImage) - */ - public final Rectangle2D getBounds2D(BufferedImage src) - { - return src.getRaster().getBounds(); - } - - /* (non-Javadoc) - * @see java.awt.image.BufferedImageOp#createCompatibleDestImage(java.awt.image.BufferedImage, java.awt.image.ColorModel) - */ - public BufferedImage createCompatibleDestImage(BufferedImage src, - ColorModel dstCM) - { - if (dstCM != null) - return new BufferedImage(dstCM, - src.getRaster().createCompatibleWritableRaster(), - src.isAlphaPremultiplied(), null); - - // This is a strange exception, done for compatibility with the reference - // (as demonstrated by a mauve testcase) - int imgType = src.getType(); - if (imgType == BufferedImage.TYPE_USHORT_GRAY) - imgType = BufferedImage.TYPE_BYTE_GRAY; - - return new BufferedImage(src.getWidth(), src.getHeight(), imgType); - } - - /** - * Returns the corresponding destination point for a given source point. - * - * This Op will return the source point unchanged. - * - * @param src The source point. - * @param dst The destination point. - */ - public final Point2D getPoint2D(Point2D src, Point2D dst) - { - if (dst == null) - return (Point2D) src.clone(); - - dst.setLocation(src); - return dst; - } - - /** - * Return the LookupTable for this op. - * - * @return The lookup table. - */ - public final LookupTable getTable() - { - return lut; - } - - /* (non-Javadoc) - * @see java.awt.image.RasterOp#getRenderingHints() - */ - public final RenderingHints getRenderingHints() - { - return hints; - } - - /** - * Filter a raster through a lookup table. - * - * Applies the lookup table for this Rasterop to each pixel of src and - * puts the results in dest. If dest is null, a new Raster is created and - * returned. - * - * @param src The source raster. - * @param dest The destination raster. - * @return The WritableRaster with the filtered pixels. - * @throws IllegalArgumentException if lookup table has more than one - * component but not the same as src and dest. - * @throws ArrayIndexOutOfBoundsException if a pixel in the source is not - * contained in the LookupTable. - */ - public final WritableRaster filter(Raster src, WritableRaster dest) - { - if (dest == null) - // Allocate a raster if needed - dest = createCompatibleDestRaster(src); - else - if (src.getNumBands() != dest.getNumBands()) - throw new IllegalArgumentException("Source and destination rasters " + - "are incompatible."); - - if (lut.getNumComponents() != 1 - && lut.getNumComponents() != src.getNumBands()) - throw new IllegalArgumentException("Lookup table is incompatible with " + - "this raster."); - - // Allocate pixel storage. - int[] tmp = new int[src.getNumBands()]; - - // Filter the pixels - for (int y = src.getMinY(); y < src.getHeight() + src.getMinY(); y++) - for (int x = src.getMinX(); x < src.getWidth() + src.getMinX(); x++) - dest.setPixel(x, y, lut.lookupPixel(src.getPixel(x, y, tmp), tmp)); - - /* The reference implementation does not use LookupTable.lookupPixel, - * but rather it seems to copy the table into a native array. The - * effect of this (a probable bug in their implementation) is that - * an out-of-bounds lookup on a ByteLookupTable will *not* throw an - * out of bounds exception, but will instead return random garbage. - * A bad lookup on a ShortLookupTable, however, will throw an - * exception. - * - * Instead of mimicing this behaviour, we always throw an - * ArrayOutofBoundsException by virtue of using - * LookupTable.lookupPixle. - */ - return dest; - } - - /* (non-Javadoc) - * @see java.awt.image.RasterOp#getBounds2D(java.awt.image.Raster) - */ - public final Rectangle2D getBounds2D(Raster src) - { - return src.getBounds(); - } - - /* (non-Javadoc) - * @see java.awt.image.RasterOp#createCompatibleDestRaster(java.awt.image.Raster) - */ - public WritableRaster createCompatibleDestRaster(Raster src) - { - return src.createCompatibleWritableRaster(); - } - -} |