/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.imaging.formats.psd.datareaders;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteOrder;
import org.apache.commons.imaging.ImageReadException;
import org.apache.commons.imaging.common.BinaryFileParser;
import org.apache.commons.imaging.common.mylzw.BitsToByteInputStream;
import org.apache.commons.imaging.common.mylzw.MyBitInputStream;
import org.apache.commons.imaging.formats.psd.ImageContents;
import org.apache.commons.imaging.formats.psd.PsdHeaderInfo;
import org.apache.commons.imaging.formats.psd.dataparsers.DataParser;
import org.apache.commons.imaging.util.IoUtils;
public class UncompressedDataReader extends DataReader {
public UncompressedDataReader(final DataParser fDataParser) {
super(fDataParser);
}
@Override
public void readData(final InputStream is, final BufferedImage bi,
final ImageContents imageContents, final BinaryFileParser bfp)
throws ImageReadException, IOException {
final PsdHeaderInfo header = imageContents.header;
final int width = header.columns;
final int height = header.rows;
bfp.setDebug(false);
final int channelCount = dataParser.getBasicChannelsCount();
final int depth = header.depth;
final MyBitInputStream mbis = new MyBitInputStream(is, ByteOrder.BIG_ENDIAN);
// we want all samples to be bytes
BitsToByteInputStream bbis = null;
boolean canThrow = false;
try {
bbis = new BitsToByteInputStream(mbis, 8);
final int[][][] data = new int[channelCount][height][width];
for (int channel = 0; channel < channelCount; channel++) {
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
final int b = bbis.readBits(depth);
data[channel][y][x] = (byte) b;
}
}
}
dataParser.parseData(data, bi, imageContents);
canThrow = true;
} finally {
IoUtils.closeQuietly(canThrow, bbis);
}
}
}