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.dataparsers; 018 019import java.util.Arrays; 020 021import org.apache.commons.imaging.formats.psd.PsdImageContents; 022 023public class DataParserIndexed extends AbstractDataParser { 024 private final int[] colorTable; 025 026 public DataParserIndexed(final byte[] colorModeData) { 027 colorTable = new int[256]; 028 Arrays.setAll(colorTable, i -> { 029 final int red = 0xff & colorModeData[0 * 256 + i]; 030 final int green = 0xff & colorModeData[1 * 256 + i]; 031 final int blue = 0xff & colorModeData[2 * 256 + i]; 032 final int alpha = 0xff; 033 034 // return RGB 035 return (0xff & alpha) << 24 | (0xff & red) << 16 | (0xff & green) << 8 | (0xff & blue) << 0; 036 }); 037 } 038 039 @Override 040 public int getBasicChannelsCount() { 041 return 1; 042 } 043 044 @Override 045 protected int getRgb(final int[][][] data, final int x, final int y, final PsdImageContents imageContents) { 046 final int sample = 0xff & data[0][y][x]; 047 return colorTable[sample]; 048 } 049 050}