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mirror of https://github.com/octoleo/plantuml.git synced 2024-05-29 14:40:47 +00:00
plantuml/src/net/sourceforge/plantuml/sprite/SpriteMonochrome.java
Arnaud Roques 9bdc69ecee wip
2022-09-20 22:35:41 +02:00

239 lines
7.2 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, 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.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;
import net.sourceforge.plantuml.awt.geom.XDimension2D;
import net.sourceforge.plantuml.graphic.AbstractTextBlock;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.ugraphic.AffineTransformType;
import net.sourceforge.plantuml.ugraphic.PixelImage;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UImage;
import net.sourceforge.plantuml.ugraphic.color.ColorMapper;
import net.sourceforge.plantuml.ugraphic.color.HColor;
import net.sourceforge.plantuml.ugraphic.color.HColorGradient;
import net.sourceforge.plantuml.ugraphic.color.HColors;
public class SpriteMonochrome implements Sprite {
private final int width;
private final int height;
private final int grayLevel;
private final int gray[][];
public boolean isSameKind(SpriteMonochrome other) {
if (this.width != other.width)
return false;
if (this.height != other.height)
return false;
if (this.grayLevel != other.grayLevel)
return false;
return true;
}
public boolean isSame(SpriteMonochrome other) {
if (isSameKind(other) == false)
return false;
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++)
if (this.gray[j][i] != other.gray[j][i])
return false;
return true;
}
public SpriteMonochrome xor(SpriteMonochrome other) {
if (this.width != other.width)
throw new IllegalStateException();
if (this.height != other.height)
throw new IllegalStateException();
if (this.grayLevel != other.grayLevel)
throw new IllegalStateException();
final SpriteMonochrome result = new SpriteMonochrome(width, height, grayLevel);
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++)
result.gray[j][i] = this.gray[j][i] ^ other.gray[j][i];
return result;
}
public SpriteMonochrome(int width, int height, int grayLevel) {
if (grayLevel != 2 && grayLevel != 4 && grayLevel != 8 && grayLevel != 16)
throw new IllegalArgumentException();
this.width = width;
this.height = height;
this.grayLevel = grayLevel;
this.gray = new int[height][width];
}
public SpriteMonochrome xSymetric() {
final SpriteMonochrome result = new SpriteMonochrome(width, height, grayLevel);
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++)
result.setGray(i, j, this.getGray(i, j));
for (int j = 0; j < height; j++)
for (int i = 0; i < width / 2; i++) {
final int i2 = width - 1 - i;
final int level = result.getGray(i, j) ^ result.getGray(i2, j);
result.setGray(i2, j, level);
}
return result;
}
public SpriteMonochrome ySymetric() {
final SpriteMonochrome result = new SpriteMonochrome(width, height, grayLevel);
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++)
result.setGray(i, j, this.getGray(i, j));
for (int i = 0; i < width; i++)
for (int j = 0; j < height / 2; j++) {
final int j2 = height - 1 - j;
final int level = result.getGray(i, j) ^ result.getGray(i, j2);
result.setGray(i, j2, level);
}
return result;
}
public void setGray(int x, int y, int level) {
if (x < 0 || x >= width)
return;
if (y < 0 || y >= height)
return;
if (level < 0 || level >= grayLevel)
throw new IllegalArgumentException("level=" + level + " grayLevel=" + grayLevel);
gray[y][x] = level;
}
public int getGray(int x, int y) {
if (x >= width)
throw new IllegalArgumentException("x=" + x + " width=" + width);
if (y >= height)
throw new IllegalArgumentException("y=" + y + " height=" + height);
return gray[y][x];
}
public int getHeight() {
return height;
}
public int getWidth() {
return width;
}
public UImage toUImage(ColorMapper colorMapper, HColor backcolor, HColor color) {
if (backcolor == null || backcolor.isTransparent())
backcolor = HColors.WHITE.withDark(HColors.BLACK);
if (color == null || color.isTransparent())
color = HColors.BLACK.withDark(HColors.WHITE);
final BufferedImage im = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
final HColorGradient gradient = HColors.gradient(backcolor, color, '\0');
for (int col = 0; col < width; col++) {
for (int line = 0; line < height; line++) {
final double coef = 1.0 * gray[line][col] / (grayLevel - 1);
final Color c = gradient.getColor(colorMapper, coef);
im.setRGB(col, line, c.getRGB());
}
}
return new UImage(new PixelImage(im, AffineTransformType.TYPE_BILINEAR));
}
private UImage special(ColorMapper colorMapper, HColorGradient backcolor, HColor color) {
final BufferedImage im = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
for (int col = 0; col < width; col++) {
for (int line = 0; line < height; line++) {
final HColor backColorLocal = HColors
.simple(backcolor.getColor(colorMapper, 1.0 * line / height));
final HColorGradient gradient = HColors.gradient(backColorLocal, color, '\0');
final double coef = 1.0 * gray[line][col] / (grayLevel - 1);
final Color c = gradient.getColor(colorMapper, coef);
im.setRGB(col, line, c.getRGB());
}
}
return new UImage(new PixelImage(im, AffineTransformType.TYPE_BILINEAR));
}
public TextBlock asTextBlock(final HColor 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 XDimension2D calculateDimension(StringBounder stringBounder) {
return new XDimension2D(getWidth() * scale, getHeight() * scale);
}
};
}
public void exportSprite1(OutputStream fos) throws IOException {
for (int y = 0; y < this.getHeight(); y += 2) {
for (int x = 0; x < this.getWidth(); x += 1) {
int b1 = this.getGray(x, y);
int b2 = y + 1 < this.getHeight() ? this.getGray(x, y + 1) : b1;
fos.write(b1 * 16 + b2);
}
}
}
}