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PlantUML is a component that allows to quickly write diagrams from text.
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
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* | PlantUML : a free UML diagram generator
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* (C) Copyright 2009-2024, Arnaud Roques
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package net.sourceforge.plantuml.activitydiagram3.ftile;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import net.sourceforge.plantuml.klimt.UTranslate;
public class WormMutation {
private final List translations = new ArrayList<>();
private WormMutation() {
}
public static WormMutation create(Worm worm, double delta) {
final String signature = worm.getDirectionsCode();
final String definition = getDefinition(signature);
if (definition == null) {
return createFromLongSignature(signature, delta);
}
return new WormMutation(definition, delta);
}
private static WormMutation createFromLongSignature(final String signature, final double delta) {
final WormMutation result = new WormMutation();
for (int i = 0; i < signature.length() - 1; i++) {
WormMutation tmp = new WormMutation(getDefinition(signature.substring(i, i + 2)), delta);
if (i == 0) {
result.translations.add(tmp.translations.get(0));
} else {
UTranslate last = result.getLast();
if (last.isAlmostSame(tmp.translations.get(0)) == false) {
tmp = tmp.reverse();
}
}
result.translations.add(tmp.translations.get(1));
if (i == signature.length() - 2) {
result.translations.add(tmp.translations.get(2));
}
}
return result;
}
private WormMutation reverse() {
final WormMutation result = new WormMutation();
for (UTranslate tr : translations) {
result.translations.add(tr.reverse());
}
return result;
}
public UTranslate getLast() {
return translations.get(translations.size() - 1);
}
public UTranslate getFirst() {
return translations.get(0);
}
public int size() {
return translations.size();
}
private static String getDefinition(final String signature) {
if (signature.equals("D") || signature.equals("U")) {
return "33";
} else if (signature.equals("L") || signature.equals("R")) {
return "55";
} else if (signature.equals("RD")) {
return "123";
} else if (signature.equals("RU")) {
return "543";
} else if (signature.equals("LD")) {
return "187";
} else if (signature.equals("DL")) {
return "345";
} else if (signature.equals("DR")) {
return "765";
} else if (signature.equals("UL")) {
return "321";
} else if (signature.equals("UR")) {
return "781";
// } else if (signature.equals("DLD")) {
// return "3443";
}
return null;
}
private WormMutation(String definition, double delta) {
for (int i = 0; i < Objects.requireNonNull(definition).length(); i++) {
this.translations.add(translation(Integer.parseInt(definition.substring(i, i + 1)), delta));
}
}
private static UTranslate translation(int type, double delta) {
switch (type) {
case 1:
return UTranslate.dy(-delta);
case 2:
return new UTranslate(delta, -delta);
case 3:
return UTranslate.dx(delta);
case 4:
return new UTranslate(delta, delta);
case 5:
return UTranslate.dy(delta);
case 6:
return new UTranslate(-delta, delta);
case 7:
return UTranslate.dx(-delta);
case 8:
return new UTranslate(-delta, -delta);
}
throw new IllegalArgumentException();
}
static private class MinMax {
private double min = Double.MAX_VALUE;
private double max = Double.MIN_VALUE;
private void append(double v) {
if (v > max) {
max = v;
}
if (v < min) {
min = v;
}
}
private double getExtreme() {
if (Math.abs(max) > Math.abs(min)) {
return max;
}
return min;
}
}
public UTranslate getTextTranslate(int size) {
final MinMax result = new MinMax();
for (UTranslate tr : translations) {
result.append(tr.getDx());
}
return UTranslate.dx(result.getExtreme() * (size - 1));
}
public boolean isDxNegative() {
return translations.get(0).getDx() < 0;
}
public Worm mute(Worm original) {
final Worm result = original.cloneEmpty();
for (int i = 0; i < original.size(); i++) {
result.addPoint(translations.get(i).getTranslated(original.get(i)));
}
return result;
}
}