From 4983ea665cc544c50f5d9da0dd06bafb27d43821 Mon Sep 17 00:00:00 2001 From: mkoch Date: Tue, 20 Apr 2004 08:37:47 +0000 Subject: 2004-04-20 Sascha Brawer * java/awt/image/DataBufferShort.java, java/awt/image/DataBufferFloat.java, java/awt/image/DataBufferDouble.java, java/awt/image/PixelInterleavedSampleModel.java: New files. * gnu/java/awt/Buffers.java (createBuffer, createBufferFromData, getData): Added support for TYPE_SHORT, TYPE_FLOAT and TYPE_DOUBLE. 2004-04-20 Michael Koch * Makefile.am (java_source_files): Added java/awt/image/DataBufferDouble.java, java/awt/image/DataBufferFloat.java, java/awt/image/DataBufferShort.java and java/awt/image/PixelInterleavedSampleModel.java. * Makefile.in: Regenerated. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@80886 138bc75d-0d04-0410-961f-82ee72b054a4 --- .../awt/image/PixelInterleavedSampleModel.java | 98 ++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 libjava/java/awt/image/PixelInterleavedSampleModel.java (limited to 'libjava/java/awt/image/PixelInterleavedSampleModel.java') diff --git a/libjava/java/awt/image/PixelInterleavedSampleModel.java b/libjava/java/awt/image/PixelInterleavedSampleModel.java new file mode 100644 index 00000000000..d17a68d9ae3 --- /dev/null +++ b/libjava/java/awt/image/PixelInterleavedSampleModel.java @@ -0,0 +1,98 @@ +/* PixelInterleavedSampleModel.java + Copyright (C) 2004 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., 59 Temple Place, Suite 330, Boston, MA +02111-1307 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; + + +/** + * A SampleModel that uses exactly one element of the + * raster’s {@link DataBuffer} per pixel, holds all bands in a + * single bank, and stores band data in pixel-interleaved manner. + * + * @since 1.2 + * + * @author Sascha Brawer + */ +public class PixelInterleavedSampleModel + extends ComponentSampleModel +{ + public PixelInterleavedSampleModel(int dataType, int width, int height, + int pixelStride, int scanlineStride, + int[] bandOffsets) + { + super(dataType, width, height, pixelStride, scanlineStride, + bandOffsets); + } + + + /** + * Creates a new SampleModel that is like this one, but + * uses the specified width and height. + * + * @param width the number of pixels in the horizontal direction. + * + * @param height the number of pixels in the vertical direction. + */ + public SampleModel createCompatibleSampleModel(int width, int height) + { + return new PixelInterleavedSampleModel(dataType, width, height, + pixelStride, scanlineStride, + bandOffsets); + } + + + /** + * Creates a new SampleModel that is like this one, but + * uses only a subset of its bands. + * + * @param bands an array whose elements indicate which bands shall + * be part of the subset. For example, [0, 2, 3] would + * create a SampleModel containing bands #0, #2 and #3. + */ + public SampleModel createSubsetSampleModel(int[] bands) + { + int[] subOffsets; + + subOffsets = new int[bands.length]; + for (int i = 0; i < bands.length; i++) + subOffsets[i] = bandOffsets[bands[i]]; + + return new PixelInterleavedSampleModel(dataType, width, height, + pixelStride, scanlineStride, + subOffsets); + } +} -- cgit v1.2.3