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plantuml/src/net/sourceforge/plantuml/klimt/sprite/SpriteColorBuilder.java
Arnaud Roques f4221e340a wip
2023-02-28 22:22:51 +01:00

88 lines
2.7 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2024, Arnaud Roques
*
* Project Info: https://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* https://plantuml.com/patreon (only 1$ per month!)
* https://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.klimt.sprite;
import java.awt.Color;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class SpriteColorBuilder {
// ::remove folder when __HAXE__
private final static ColorPalette COLOR_PALETTE = new ColorPalette();
public static Sprite buildSprite(List<CharSequence> strings) {
final SpriteColor result = new SpriteColor(strings.get(0).length(), strings.size());
for (int col = 0; col < result.getWidth(); col++) {
for (int line = 0; line < result.getHeight(); line++) {
if (col >= strings.get(line).length()) {
continue;
}
final char charColor = strings.get(line).charAt(col);
final int idx = "0123456789ABCDEF".indexOf(charColor);
if (idx != -1) {
result.setGray(col, line, idx);
} else {
final Color rgb = COLOR_PALETTE.getColorFor(charColor);
result.setColor(col, line, rgb.getRGB() & 0xFFFFFF);
}
}
}
return result;
}
static public List<String> encodeColor(BufferedImage img) {
final int width = img.getWidth();
final int height = img.getHeight();
final List<String> result = new ArrayList<>();
for (int y = 0; y < height; y++) {
final StringBuilder sb = new StringBuilder();
for (int x = 0; x < width; x++) {
final int rgb = (img.getRGB(x, y) & 0xFFFFFF);
final char code = COLOR_PALETTE.getCharFor(new Color(rgb));
sb.append(code);
}
result.add(sb.toString());
}
return Collections.unmodifiableList(result);
}
}