mirror of
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184 lines
4.3 KiB
Java
184 lines
4.3 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.klimt.shape;
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import java.awt.geom.AffineTransform;
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import java.util.ArrayList;
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import java.util.List;
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import net.sourceforge.plantuml.klimt.AbstractShadowable;
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import net.sourceforge.plantuml.klimt.compress.CompressionMode;
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import net.sourceforge.plantuml.klimt.geom.MinMax;
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import net.sourceforge.plantuml.klimt.geom.XPoint2D;
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public class UPolygon extends AbstractShadowable {
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// ::remove file when __HAXE__
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private final List<XPoint2D> all = new ArrayList<XPoint2D>();
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private final String name;
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private MinMax minmax = MinMax.getEmpty(false);
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public UPolygon() {
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this((String) null);
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}
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public UPolygon(List<XPoint2D> points) {
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this((String) null);
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all.addAll(points);
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for (XPoint2D pt : all)
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manageMinMax(pt.getX(), pt.getY());
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}
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public UPolygon(String name) {
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this.name = name;
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}
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public XPoint2D getPoint(int idx) {
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return all.get(idx);
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}
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public XPoint2D checkMiddleContactForSpecificTriangle(XPoint2D center) {
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for (int i = 0; i < all.size() - 1; i++) {
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final XPoint2D pt1 = all.get(i);
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final XPoint2D pt2 = all.get(i + 1);
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final XPoint2D middle = new XPoint2D((pt1.getX() + pt2.getX()) / 2, (pt1.getY() + pt2.getY()) / 2);
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final double delta = middle.distance(center);
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if (delta < 1)
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return all.get((i + all.size() - 1) % all.size());
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}
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return null;
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}
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public void addPoint(double x, double y) {
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all.add(new XPoint2D(x, y));
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manageMinMax(x, y);
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}
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public void addPoint(XPoint2D point) {
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addPoint(point.getX(), point.getY());
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}
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private void manageMinMax(double x, double y) {
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minmax = minmax.addPoint(x, y);
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}
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public List<XPoint2D> getPoints() {
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return all;
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}
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public UPolygon translate(double dx, double dy) {
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final UPolygon result = new UPolygon();
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for (XPoint2D pt : all)
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result.addPoint(pt.x + dx, pt.y + dy);
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return result;
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}
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public void rotate(double theta) {
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if (theta == 0)
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return;
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affine(AffineTransform.getRotateInstance(theta));
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}
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public void affine(AffineTransform rotate) {
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for (int i = 0; i < all.size(); i++)
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all.set(i, all.get(i).transform(rotate));
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}
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@Override
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public String toString() {
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if (name != null)
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return name;
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return super.toString() + " " + all;
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}
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public double getHeight() {
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return minmax.getHeight();
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}
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public double getWidth() {
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return minmax.getWidth();
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}
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public double getMinX() {
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return minmax.getMinX();
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}
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public double getMinY() {
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return minmax.getMinY();
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}
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public double getMaxX() {
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return minmax.getMaxX();
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}
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public double getMaxY() {
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return minmax.getMaxY();
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}
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public MinMax getMinMax() {
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return minmax;
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}
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public double[] getPointArray(double x, double y) {
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final double points[] = new double[getPoints().size() * 2];
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int i = 0;
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for (XPoint2D pt : getPoints()) {
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points[i++] = pt.getX() + x;
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points[i++] = pt.getY() + y;
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}
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return points;
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}
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private CompressionMode compressionMode;
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public final CompressionMode getCompressionMode() {
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return compressionMode;
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}
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public final void setCompressionMode(CompressionMode compressionMode) {
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this.compressionMode = compressionMode;
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}
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}
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