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PlantUML is a component that allows to quickly write diagrams from text.
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
* |
* | 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/liberapay (only 1€ per month!)
* https://plantuml.com/paypal
*
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see encode(BufferedImage img) {
if (this == GRAY_16)
return encode16(img);
if (this == GRAY_8)
return encode8(img);
if (this == GRAY_4)
return encode4(img);
throw new UnsupportedOperationException();
}
private List encode16(BufferedImage img) {
final int width = img.getWidth();
final int height = img.getHeight();
// final int type = img.getType();
final List result = new ArrayList<>();
for (int y = 0; y < height; y++) {
final StringBuilder sb = new StringBuilder();
for (int x = 0; x < width; x++) {
final int level = getGrayOn16(img, x, y);
final char code = "0123456789ABCDEF".charAt(level);
sb.append(code);
}
result.add(sb.toString());
}
return Collections.unmodifiableList(result);
}
private List encode8(BufferedImage img) {
final int width = img.getWidth();
final int height = img.getHeight();
// final int type = img.getType();
final List result = new ArrayList<>();
for (int y = 0; y < height; y += 2) {
final StringBuilder sb = new StringBuilder();
for (int x = 0; x < width; x++) {
final int level1 = getGrayOn16(img, x, y) / 2;
assert level1 >= 0 && level1 <= 7;
final int level2 = getGrayOn16(img, x, y + 1) / 2;
assert level2 >= 0 && level2 <= 7;
final int v = level1 * 8 + level2;
sb.append(AsciiEncoder.encode6bit((byte) v));
}
result.add(sb.toString());
}
return Collections.unmodifiableList(result);
}
private List encode4(BufferedImage img) {
final int width = img.getWidth();
final int height = img.getHeight();
// final int type = img.getType();
final List result = new ArrayList<>();
for (int y = 0; y < height; y += 3) {
final StringBuilder sb = new StringBuilder();
for (int x = 0; x < width; x++) {
final int level1 = getGrayOn16(img, x, y) / 4;
assert level1 >= 0 && level1 <= 3;
final int level2 = getGrayOn16(img, x, y + 1) / 4;
assert level2 >= 0 && level2 <= 3;
final int level3 = getGrayOn16(img, x, y + 2) / 4;
assert level3 >= 0 && level3 <= 3;
final int v = level1 * 16 + level2 * 4 + level3;
sb.append(AsciiEncoder.encode6bit((byte) v));
}
result.add(sb.toString());
}
return Collections.unmodifiableList(result);
}
private int getGrayOn16(BufferedImage img, int x, int y) {
if (x >= img.getWidth()) {
return 0;
}
if (y >= img.getHeight()) {
return 0;
}
final Color g = ColorUtils.getGrayScaleColor(new Color(img.getRGB(x, y)));
final int gray = 255 - g.getRed();
return gray / 16;
}
public Sprite buildSprite(int width, int height, List strings) {
if (this == SpriteGrayLevel.GRAY_16)
return buildSprite16(strings);
if (this == SpriteGrayLevel.GRAY_8)
return buildSprite8(width, height, strings);
if (this == SpriteGrayLevel.GRAY_4)
return buildSprite4(width, height, strings);
throw new UnsupportedOperationException(toString());
}
private Sprite buildSprite16(List strings) {
final SpriteMonochrome result = new SpriteMonochrome(strings.get(0).length(), strings.size(), 16);
for (int col = 0; col < result.getWidth(); col++) {
for (int line = 0; line < result.getHeight(); line++) {
if (col >= strings.get(line).length()) {
continue;
}
if (strings.get(line).charAt(col) != '0') {
final String s = "" + strings.get(line).charAt(col);
final int x = Integer.parseInt(StringUtils.goUpperCase(s), 16);
result.setGray(col, line, x);
}
}
}
return result;
}
private Sprite buildSprite8(int width, int height, List strings) {
final SpriteMonochrome result = new SpriteMonochrome(width, height, 8);
for (int col = 0; col < result.getWidth(); col++) {
for (int line = 0; line < strings.size(); line++) {
if (col >= strings.get(line).length()) {
continue;
}
final int v = AsciiEncoder.decode6bit(strings.get(line).charAt(col));
final int w1 = v / 8;
final int w2 = v % 8;
result.setGray(col, line * 2, w1);
result.setGray(col, line * 2 + 1, w2);
}
}
return result;
}
private Sprite buildSprite4(int width, int height, List strings) {
final SpriteMonochrome result = new SpriteMonochrome(width, height, 4);
for (int col = 0; col < result.getWidth(); col++) {
for (int line = 0; line < strings.size(); line++) {
if (col >= strings.get(line).length()) {
continue;
}
int v = AsciiEncoder.decode6bit(strings.get(line).charAt(col));
final int w1 = v / 16;
v = v % 16;
final int w2 = v / 4;
final int w3 = v % 4;
result.setGray(col, line * 3, w1);
result.setGray(col, line * 3 + 1, w2);
result.setGray(col, line * 3 + 2, w3);
}
}
return result;
}
// ::comment when __CORE__
public List encodeZ(BufferedImage img) {
final int width = img.getWidth();
final int height = img.getHeight();
final byte raw[] = new byte[width * height];
int cpt = 0;
final int coef = 16 / nbColor;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
final int color = getGrayOn16(img, x, y) / coef;
raw[cpt++] = (byte) color;
}
}
// final byte[] comp = new CompressionZlib().compress(raw);
final byte[] comp = new CompressionZopfliZlib().compress(raw);
return cut(new AsciiEncoderFinalZeros().encode(comp));
}
private List encodeZSpiral(BufferedImage img) {
final int width = img.getWidth();
final int height = img.getHeight();
final byte raw[] = new byte[width * height];
final int coef = 16 / nbColor;
final SpiralOnRectangle spiral = new SpiralOnRectangle(width, height);
for (int cpt = 0; cpt < width * height; cpt++) {
final PairInt pt = spiral.nextPoint();
final int color = getGrayOn16(img, pt.getX(), pt.getY()) / coef;
raw[cpt] = (byte) color;
}
// final byte[] comp = new CompressionZlib().compress(raw);
final byte[] comp = new CompressionZopfliZlib().compress(raw);
return cut(new AsciiEncoderFinalZeros().encode(comp));
}
private List cut(String s) {
final List result = new ArrayList<>();
for (int i = 0; i < s.length(); i += 120) {
final int j = Math.min(i + 120, s.length());
result.add(s.substring(i, j));
}
return Collections.unmodifiableList(result);
}
public Sprite buildSpriteZ(int width, int height, String compressed) {
final byte comp[] = new AsciiEncoder().decode(compressed);
try {
final ByteArray img = new CompressionZlib().decompress(comp);
final SpriteMonochrome result = new SpriteMonochrome(width, height, nbColor);
int cpt = 0;
for (int line = 0; line < result.getHeight(); line++)
for (int col = 0; col < result.getWidth(); col++)
result.setGray(col, line, img.getByteAt(cpt++));
return result;
} catch (NoPlantumlCompressionException e) {
Logme.error(e);
return null;
}
}
}