001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.imaging.formats.psd.datareaders; 018 019import java.awt.image.BufferedImage; 020import java.io.IOException; 021import java.io.InputStream; 022import java.nio.ByteOrder; 023 024import org.apache.commons.imaging.ImagingException; 025import org.apache.commons.imaging.common.Allocator; 026import org.apache.commons.imaging.common.BinaryFileParser; 027import org.apache.commons.imaging.formats.psd.PsdHeaderInfo; 028import org.apache.commons.imaging.formats.psd.PsdImageContents; 029import org.apache.commons.imaging.formats.psd.dataparsers.AbstractDataParser; 030import org.apache.commons.imaging.mylzw.BitsToByteInputStream; 031import org.apache.commons.imaging.mylzw.MyBitInputStream; 032 033public class UncompressedDataReader implements DataReader { 034 035 private final AbstractDataParser dataParser; 036 037 public UncompressedDataReader(final AbstractDataParser dataParser) { 038 this.dataParser = dataParser; 039 } 040 041 @Override 042 public void readData(final InputStream is, final BufferedImage bi, final PsdImageContents imageContents, final BinaryFileParser bfp) 043 throws ImagingException, IOException { 044 final PsdHeaderInfo header = imageContents.header; 045 final int width = header.columns; 046 final int height = header.rows; 047 048 final int channelCount = dataParser.getBasicChannelsCount(); 049 final int depth = header.depth; 050 final MyBitInputStream mbis = new MyBitInputStream(is, ByteOrder.BIG_ENDIAN, false); 051 // we want all samples to be bytes 052 try (BitsToByteInputStream bbis = new BitsToByteInputStream(mbis, 8)) { 053 final int[][][] data = new int[Allocator.check(channelCount)][Allocator.check(height)][Allocator.check(width)]; 054 for (int channel = 0; channel < channelCount; channel++) { 055 for (int y = 0; y < height; y++) { 056 for (int x = 0; x < width; x++) { 057 final int b = bbis.readBits(depth); 058 059 data[channel][y][x] = (byte) b; 060 } 061 } 062 } 063 064 dataParser.parseData(data, bi, imageContents); 065 } 066 } 067}