net.sourceforge.plantuml.mindmap.Tetris Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of plantuml-gplv2 Show documentation
Show all versions of plantuml-gplv2 Show documentation
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 General Public License V2.
*
* THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
* LICENSE ("AGREEMENT"). [GNU General Public License V2]
*
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
*
* You may obtain a copy of the License at
*
* https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* PlantUML can occasionally display sponsored or advertising messages. Those
* messages are usually generated on welcome or error images and never on
* functional diagrams.
* See https://plantuml.com/professional if you want to remove them
*
* Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
* are owned by the author of their corresponding sources code (that is, their
* textual description in PlantUML language). Those images are not covered by
* this GPL v2 license.
*
* The generated images can then be used without any reference to the GPL v2 license.
* It is not even necessary to stipulate that they have been generated with PlantUML,
* although this will be appreciated by the PlantUML team.
*
* There is an exception : if the textual description in PlantUML language is also covered
* by any license, then the generated images are logically covered
* by the very same license.
*
* This is the IGY distribution (Install GraphViz by Yourself).
* You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
* (see https://plantuml.com/graphviz-dot )
*
* Icons provided by OpenIconic : https://useiconic.com/open
* Archimate sprites provided by Archi : http://www.archimatetool.com
* Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
* Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
* ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
* ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
* CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
* Brotli (c) by the Brotli Authors https://github.com/google/brotli
* Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
* Twemoji (c) by Twitter at https://twemoji.twitter.com/
*
*/
package net.sourceforge.plantuml.mindmap;
import java.awt.geom.Line2D;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Tetris {
private final StripeFrontier frontier = new StripeFrontier();
private final List elements = new ArrayList<>();
private double minY = Double.MAX_VALUE;
private double maxY = -Double.MAX_VALUE;
private String name;
public Tetris(String name) {
this.name = name;
}
@Override
public String toString() {
return name + "(" + elements.size() + ")";
}
public void balance() {
if (elements.size() == 0)
return;
if (minY != Double.MAX_VALUE)
throw new IllegalStateException();
for (SymetricalTeePositioned element : elements) {
minY = Math.min(minY, element.getMinY());
maxY = Math.max(maxY, element.getMaxY());
}
final double mean = (minY + maxY) / 2;
for (SymetricalTeePositioned stp : elements)
stp.move(-mean);
// System.err.println("Balanced=" + this + " " + elements);
}
public double getHeight() {
if (elements.size() == 0)
return 0;
return maxY - minY;
}
public double getWidth() {
double result = 0;
for (SymetricalTeePositioned tee : elements)
result = Math.max(result, tee.getMaxX());
return result;
}
public void add(SymetricalTee tee) {
// System.err.println("Adding in " + this + " " + tee);
if (frontier.isEmpty()) {
final SymetricalTeePositioned p1 = new SymetricalTeePositioned(tee);
addInternal(p1);
return;
}
// System.err.println("frontier=" + frontier);
final double c1 = frontier.getContact(0, tee.getElongation1());
final double c2 = frontier.getContact(tee.getElongation1(), tee.getElongation1() + tee.getElongation2());
// System.err.println("c1=" + c1 + " c2=" + c2);
final SymetricalTeePositioned p1 = new SymetricalTeePositioned(tee);
p1.moveSoThatSegmentA1isOn(c1);
final SymetricalTeePositioned p2 = new SymetricalTeePositioned(tee);
p2.moveSoThatSegmentA2isOn(c2);
final SymetricalTeePositioned result = p1.getMax(p2);
// System.err.println("p1=" + p1.getY() + " p2=" + p2.getY());
// System.err.println("result=" + result.getY());
addInternal(result);
}
private void addInternal(SymetricalTeePositioned result) {
this.elements.add(result);
final Line2D b1 = result.getSegmentB1();
frontier.addSegment(b1.getX1(), b1.getX2(), b1.getY1());
assert b1.getY1() == b1.getY2();
final Line2D b2 = result.getSegmentB2();
if (b2.getX1() != b2.getX2())
frontier.addSegment(b2.getX1(), b2.getX2(), b2.getY1());
assert b2.getY1() == b2.getY2();
}
public List getElements() {
return Collections.unmodifiableList(elements);
}
}