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 org.apache.commons.imaging.color.ColorConversions;
020import org.apache.commons.imaging.formats.psd.PsdImageContents;
021
022public class DataParserLab extends AbstractDataParser {
023
024    @Override
025    public int getBasicChannelsCount() {
026        return 3;
027    }
028
029    @Override
030    protected int getRgb(final int[][][] data, final int x, final int y, final PsdImageContents imageContents) {
031        final int cieL = 0xff & data[0][y][x];
032        int cieA = 0xff & data[1][y][x];
033        int cieB = 0xff & data[2][y][x];
034
035        cieA -= 128;
036        cieB -= 128;
037
038        return ColorConversions.convertCieLabToArgbTest(cieL, cieA, cieB);
039    }
040}