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140 lines
3.9 KiB
Java
140 lines
3.9 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2024, Arnaud Roques
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*
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* Project Info: https://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* https://plantuml.com/patreon (only 1$ per month!)
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* https://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.mindmap;
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import java.awt.geom.Line2D;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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public class Tetris {
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private final StripeFrontier frontier = new StripeFrontier();
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private final List<SymetricalTeePositioned> elements = new ArrayList<>();
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private double minY = Double.MAX_VALUE;
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private double maxY = -Double.MAX_VALUE;
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private String name;
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public Tetris(String name) {
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this.name = name;
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}
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@Override
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public String toString() {
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return name + "(" + elements.size() + ")";
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}
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public void balance() {
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if (elements.size() == 0)
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return;
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if (minY != Double.MAX_VALUE)
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throw new IllegalStateException();
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for (SymetricalTeePositioned element : elements) {
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minY = Math.min(minY, element.getMinY());
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maxY = Math.max(maxY, element.getMaxY());
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}
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final double mean = (minY + maxY) / 2;
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for (SymetricalTeePositioned stp : elements)
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stp.move(-mean);
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// System.err.println("Balanced=" + this + " " + elements);
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}
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public double getHeight() {
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if (elements.size() == 0)
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return 0;
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return maxY - minY;
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}
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public double getWidth() {
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double result = 0;
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for (SymetricalTeePositioned tee : elements)
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result = Math.max(result, tee.getMaxX());
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return result;
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}
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public void add(SymetricalTee tee) {
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// System.err.println("Adding in " + this + " " + tee);
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if (frontier.isEmpty()) {
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final SymetricalTeePositioned p1 = new SymetricalTeePositioned(tee);
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addInternal(p1);
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return;
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}
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// System.err.println("frontier=" + frontier);
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final double c1 = frontier.getContact(0, tee.getElongation1());
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final double c2 = frontier.getContact(tee.getElongation1(), tee.getElongation1() + tee.getElongation2());
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// System.err.println("c1=" + c1 + " c2=" + c2);
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final SymetricalTeePositioned p1 = new SymetricalTeePositioned(tee);
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p1.moveSoThatSegmentA1isOn(c1);
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final SymetricalTeePositioned p2 = new SymetricalTeePositioned(tee);
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p2.moveSoThatSegmentA2isOn(c2);
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final SymetricalTeePositioned result = p1.getMax(p2);
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// System.err.println("p1=" + p1.getY() + " p2=" + p2.getY());
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// System.err.println("result=" + result.getY());
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addInternal(result);
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}
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private void addInternal(SymetricalTeePositioned result) {
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this.elements.add(result);
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final Line2D b1 = result.getSegmentB1();
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frontier.addSegment(b1.getX1(), b1.getX2(), b1.getY1());
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assert b1.getY1() == b1.getY2();
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final Line2D b2 = result.getSegmentB2();
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if (b2.getX1() != b2.getX2())
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frontier.addSegment(b2.getX1(), b2.getX2(), b2.getY1());
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assert b2.getY1() == b2.getY2();
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}
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public List<SymetricalTeePositioned> getElements() {
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return Collections.unmodifiableList(elements);
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}
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}
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