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85 lines
2.5 KiB
Java
85 lines
2.5 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2024, Arnaud Roques
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*
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* Project Info: https://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* https://plantuml.com/patreon (only 1$ per month!)
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* https://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.klimt.sprite;
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import java.awt.Color;
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import java.util.Objects;
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import net.sourceforge.plantuml.klimt.color.HColor;
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import net.sourceforge.plantuml.klimt.color.HColorSimple;
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import net.sourceforge.plantuml.klimt.color.HColors;
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public class ColorPalette {
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private static final String colorValue = "!#$%&*+-:;<=>?@^_~GHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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public char getCharFor(Color dest) {
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return getCharFor(HColors.simple(dest));
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}
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public char getCharFor(HColor dest) {
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char result = 0;
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int resultDist = Integer.MAX_VALUE;
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for (int i = 0; i < colorValue.length(); i++) {
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final char c = colorValue.charAt(i);
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final int dist = ((HColorSimple) dest).distanceTo((HColorSimple) getHtmlColorSimpleFor(c));
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if (dist < resultDist) {
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result = c;
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resultDist = dist;
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}
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}
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assert result != 0;
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return result;
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}
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private HColor getHtmlColorSimpleFor(char c) {
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final Color color = Objects.requireNonNull(getColorFor(c));
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return HColors.simple(color);
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}
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public Color getColorFor(char c) {
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final int col = colorValue.indexOf(c);
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if (col == -1) {
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return null;
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}
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final int blue = (col % 4) * 85;
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final int green = ((col / 4) % 4) * 85;
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final int red = ((col / 16) % 4) * 85;
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return new Color(red, green, blue);
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}
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}
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