org.alder.fotobuchconvert.scribus.ColorManager.java Source code

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Here is the source code for org.alder.fotobuchconvert.scribus.ColorManager.java

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/*******************************************************************************
 * Copyright (c) 2012 Daniel Alder.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Daniel Alder - initial API and implementation
 ******************************************************************************/
package org.alder.fotobuchconvert.scribus;

import java.awt.Color;
import java.util.HashMap;

import org.alder.fotobuchconvert.tools.XmlBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class ColorManager {

    protected final Log log = LogFactory.getLog(ColorManager.class);

    private XmlBuilder doc;

    HashMap<String, String> colortable = new HashMap<String, String>();

    public ColorManager(XmlBuilder doc) {
        this.doc = doc;
    }

    public String getColorName(Color color) {
        String rgbCode = color2rgbStr(color);
        String key = "RGB." + rgbCode;

        String colname = colortable.get(key);
        if (colname == null)
            return addRGB(null, rgbCode);
        else
            return colname;
    }

    private String color2rgbStr(Color color) {
        String s = Integer.toHexString(color.getRGB() & 0xFFFFFF);
        while (s.length() < 6)
            s = "0" + s;
        String rgbCode = "#" + s;
        return rgbCode;
    }

    public void initialize() {
        addCMYK("Black", "#000000ff", Color.BLACK);
        addRGB("BlackRGB", "#000000");
        addCMYK("White", "#00000000", Color.WHITE);

        addRGB("Blue", "#0000ff");
        addCMYK("Cool Black", "#990000ff", null);
        addCMYK("Cyan", "#ff000000", Color.CYAN);
        addRGB("Green", "#00ff00");
        addCMYK("Magenta", "#00ff0000", null);
        addRGB("Red", "#ff0000");
        addCMYK("Rich Black", "#996666ff", null);
        addCMYK("Warm Black", "#00994cff", null);
        addCMYK("Yellow", "#0000ff00", Color.YELLOW);

    }

    private String addRGB(String name, String rgbCode) {
        // format "#0000ff"

        String key = "RGB." + rgbCode;

        {
            String savedname = colortable.get(key);
            if (savedname != null) {
                log.warn("Color " + key + " already registered with name " + savedname);
                return savedname;
            }
        }

        if (name == null)
            name = "color" + colortable.size();

        colortable.put(key, name);
        doc.addAfterSimilar(C.EL_COLOR).set(C.NAME, name).set(C.RGB, rgbCode).set(C.SPOT, 0).set(C.REGISTER, 0);

        return name;
    }

    private String addCMYK(String name, String cmykCode, Color rgbVariant) {
        // format "#00ff0000"

        if (rgbVariant != null) {
            String key = "RGB." + color2rgbStr(rgbVariant);
            if (!colortable.containsKey(key))
                colortable.put(key, name);
        }

        String key = "CMYK." + cmykCode;

        {
            String savedname = colortable.get(key);
            if (savedname != null) {
                log.warn("Color " + key + " already registered with name " + savedname);
                return savedname;
            }
        }

        if (name == null)
            name = "color" + colortable.size();

        colortable.put(key, name);
        doc.add(C.EL_COLOR).set(C.NAME, name).set(C.CMYK, cmykCode).set(C.SPOT, 0).set(C.REGISTER, 0);

        return name;
    }
}