/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.imageio.plugins.tiff;
import java.io.IOException;
public class TIFFLSBDecompressor extends TIFFDecompressor {
/**
* Table for flipping bytes from LSB-to-MSB to MSB-to-LSB.
*/
private static final byte[] flipTable = TIFFFaxDecompressor.flipTable;
public TIFFLSBDecompressor() {}
public void decodeRaw(byte[] b,
int dstOffset,
int bitsPerPixel,
int scanlineStride) throws IOException {
stream.seek(offset);
int bytesPerRow = (srcWidth*bitsPerPixel + 7)/8;
if(bytesPerRow == scanlineStride) {
int numBytes = bytesPerRow*srcHeight;
stream.readFully(b, dstOffset, numBytes);
int xMax = dstOffset + numBytes;
for (int x = dstOffset; x < xMax; x++) {
b[x] = flipTable[b[x]&0xff];
}
} else {
for (int y = 0; y < srcHeight; y++) {
stream.readFully(b, dstOffset, bytesPerRow);
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