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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://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.sprite;
import java.awt.Color;
import java.awt.geom.Dimension2D;
import java.awt.image.BufferedImage;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.graphic.AbstractTextBlock;
import net.sourceforge.plantuml.graphic.HtmlColor;
import net.sourceforge.plantuml.graphic.HtmlColorGradient;
import net.sourceforge.plantuml.graphic.HtmlColorUtils;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.ugraphic.ColorMapper;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UImage;
public class SpriteColor implements Sprite {
private final int width;
private final int height;
private final int grey[][];
private final int color[][];
public SpriteColor(int width, int height) {
this.width = width;
this.height = height;
this.grey = new int[height][width];
this.color = new int[height][width];
}
public void setGrey(int x, int y, int level) {
if (x < 0 || x >= width) {
return;
}
if (y < 0 || y >= height) {
return;
}
if (level < 0 || level >= 16) {
throw new IllegalArgumentException();
}
grey[y][x] = level;
color[y][x] = -1;
}
public void setColor(int x, int y, int col) {
if (x < 0 || x >= width) {
return;
}
if (y < 0 || y >= height) {
return;
}
grey[y][x] = -1;
color[y][x] = col;
}
public int getHeight() {
return height;
}
public int getWidth() {
return width;
}
public UImage toUImage(ColorMapper colorMapper, HtmlColor backcolor, HtmlColor forecolor) {
final BufferedImage im = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
if (backcolor == null) {
backcolor = HtmlColorUtils.WHITE;
}
if (forecolor == null) {
forecolor = HtmlColorUtils.BLACK;
}
final HtmlColorGradient gradient = new HtmlColorGradient(backcolor, forecolor, '\0');
for (int col = 0; col < width; col++) {
for (int line = 0; line < height; line++) {
final int localColor = color[line][col];
if (localColor == -1) {
final double coef = 1.0 * grey[line][col] / (16 - 1);
final Color c = gradient.getColor(colorMapper, coef);
im.setRGB(col, line, c.getRGB());
} else {
im.setRGB(col, line, localColor);
}
}
}
return new UImage(im);
}
public TextBlock asTextBlock(final HtmlColor color, final double scale) {
return new AbstractTextBlock() {
public void drawU(UGraphic ug) {
final UImage image = toUImage(ug.getColorMapper(), ug.getParam().getBackcolor(), color);
ug.draw(image.scale(scale));
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
return new Dimension2DDouble(getWidth() * scale, getHeight() * scale);
}
};
}
}
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