001/* ***** BEGIN LICENSE BLOCK *****
002 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
003 *
004 * The contents of this file are subject to the Mozilla Public License Version
005 * 1.1 (the "License"); you may not use this file except in compliance with
006 * the License. You may obtain a copy of the License at
007 * http://www.mozilla.org/MPL/
008 *
009 * Software distributed under the License is distributed on an "AS IS" basis,
010 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
011 * for the specific language governing rights and limitations under the
012 * License.
013 *
014 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
015 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
016 *
017 * The Initial Developer of the Original Code is
018 * Agfa Healthcare.
019 * Portions created by the Initial Developer are Copyright (C) 2013
020 * the Initial Developer. All Rights Reserved.
021 *
022 * Contributor(s):
023 * See @authors listed below
024 *
025 * Alternatively, the contents of this file may be used under the terms of
026 * either the GNU General Public License Version 2 or later (the "GPL"), or
027 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
028 * in which case the provisions of the GPL or the LGPL are applicable instead
029 * of those above. If you wish to allow use of your version of this file only
030 * under the terms of either the GPL or the LGPL, and not to allow others to
031 * use your version of this file under the terms of the MPL, indicate your
032 * decision by deleting the provisions above and replace them with the notice
033 * and other provisions required by the GPL or the LGPL. If you do not delete
034 * the provisions above, a recipient may use your version of this file under
035 * the terms of any one of the MPL, the GPL or the LGPL.
036 *
037 * ***** END LICENSE BLOCK ***** */
038
039package org.dcm4che3.image;
040
041import java.awt.Transparency;
042import java.awt.color.ColorSpace;
043import java.awt.color.ICC_ColorSpace;
044import java.awt.color.ICC_Profile;
045import java.awt.image.ColorModel;
046import java.awt.image.ComponentColorModel;
047
048import org.dcm4che3.data.Tag;
049import org.dcm4che3.data.Attributes;
050
051/**
052 * @author Gunter Zeilinger <gunterze@gmail.com>
053 *
054 */
055public class ColorModelFactory {
056
057    public static ColorModel createMonochromeColorModel(int bits, int dataType) {
058        return new ComponentColorModel(
059                ColorSpace.getInstance(ColorSpace.CS_GRAY),
060                new int[] { bits },
061                false, // hasAlpha
062                false, // isAlphaPremultiplied
063                Transparency.OPAQUE,
064                dataType);
065    }
066
067    public static ColorModel createPaletteColorModel(int bits, int dataType,
068            Attributes ds) {
069        return new PaletteColorModel(bits, dataType, createRGBColorSpace(ds), ds);
070    }
071
072    public static ColorModel createRGBColorModel(int bits, int dataType,
073            Attributes ds) {
074        return new ComponentColorModel(
075                createRGBColorSpace(ds),
076                new int[] { bits, bits, bits },
077                false, // hasAlpha
078                false, // isAlphaPremultiplied
079                Transparency.OPAQUE,
080                dataType);
081    }
082
083
084    public static ColorModel createYBRFullColorModel(int bits, int dataType,
085            Attributes ds) {
086        return new ComponentColorModel(
087                new YBRColorSpace(createRGBColorSpace(ds),  YBR.FULL),
088                new int[] { bits, bits, bits },
089                false, // hasAlpha
090                false, // isAlphaPremultiplied
091                Transparency.OPAQUE,
092                dataType);
093    }
094
095    public static ColorModel createYBRColorModel(int bits, int dataType,
096            Attributes ds, YBR ybr, ColorSubsampling subsampling) {
097        return new SampledComponentColorModel(
098                new YBRColorSpace(createRGBColorSpace(ds), ybr),
099                subsampling);
100    }
101
102    private static ColorSpace createRGBColorSpace(Attributes ds) {
103        return createRGBColorSpace(ds.getSafeBytes(Tag.ICCProfile));
104    }
105
106    private static ColorSpace createRGBColorSpace(byte[] iccProfile) {
107        if (iccProfile != null)
108            return new ICC_ColorSpace(ICC_Profile.getInstance(iccProfile));
109
110        return ColorSpace.getInstance(ColorSpace.CS_sRGB);
111    }
112
113}