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Diffstat (limited to 'libjava/classpath/java/awt/image/LookupTable.java')
-rw-r--r-- | libjava/classpath/java/awt/image/LookupTable.java | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/libjava/classpath/java/awt/image/LookupTable.java b/libjava/classpath/java/awt/image/LookupTable.java deleted file mode 100644 index d104b2f..0000000 --- a/libjava/classpath/java/awt/image/LookupTable.java +++ /dev/null @@ -1,109 +0,0 @@ -/* LookupTable.java -- Java class for a pixel translation table. - Copyright (C) 2004, 2005 Free Software Foundation, Inc. - -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; - -/** - * LookupTable represents translation arrays for pixel values. It wraps one - * or more data arrays for each layer (or component) in an image, such as - * Alpha, R, G, and B. When doing translation, the offset is subtracted from - * the pixel values to allow a subset of an array to be used. - * - * @see ByteLookupTable - * @see ShortLookupTable - * - * @author Jerry Quinn (jlquinn@optonline.net) - * @version 1.0 - */ -public abstract class LookupTable -{ - // Not protected since that's part of the public API. - int offset; - int numComponents; - - /** - * Creates a new <code>LookupTable</code> instance. - * - * If numComponents is 1, the same translation table is used for all pixel - * components. - * - * @param offset Offset to be subtracted. - * @param numComponents Number of image components. - * @exception IllegalArgumentException if offset < 0 or numComponents < 1. - */ - protected LookupTable(int offset, int numComponents) - throws IllegalArgumentException - { - if (offset < 0 || numComponents < 1) - throw new IllegalArgumentException(); - this.offset = offset; - this.numComponents = numComponents; - } - - /** Return the number of components. */ - public int getNumComponents() - { - return numComponents; - } - - /** Return the offset. */ - public int getOffset() - { - return offset; - } - - - /** - * Return translated values for a pixel. - * - * For each value in the pixel src, use the value minus offset as an index - * in the component array and copy the value there to the output for the - * component. If dest is null, the output is a new array, otherwise the - * translated values are written to dest. Dest can be the same array as - * src. - * - * For example, if the pixel src is [2, 4, 3], and offset is 1, the output - * is [comp1[1], comp2[3], comp3[2]], where comp1, comp2, and comp3 are the - * translation arrays. - * - * @param src Component values of a pixel. - * @param dest Destination array for values, or null. - * @return Translated values for the pixel. - */ - public abstract int[] lookupPixel(int[] src, int[] dest); -} |