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172 lines
4.7 KiB
Java
172 lines
4.7 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 2009-2023, Arnaud Roques
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*
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* Project Info: http://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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* http://plantuml.com/patreon (only 1$ per month!)
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* http://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.ugraphic;
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import java.awt.geom.CubicCurve2D;
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import java.awt.geom.Point2D;
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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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import net.sourceforge.plantuml.posimo.DotPath;
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public class UMotif {
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private final List<Point2D> points = new ArrayList<>();
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public UMotif(int... data) {
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assert data.length % 2 == 0;
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for (int i = 0; i < data.length; i += 2) {
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points.add(new Point2D.Double(data[i], data[i + 1]));
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}
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}
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public UMotif(String s) {
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final Point2D last = new Point2D.Double();
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for (int i = 0; i < s.length(); i++) {
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final Point2D read = convertPoint(s.charAt(i));
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last.setLocation(last.getX() + read.getX(), last.getY() + read.getY());
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points.add(new Point2D.Double(last.getX(), last.getY()));
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}
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}
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double getLength() {
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return points.get(0).distance(points.get(points.size() - 1));
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}
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List<Point2D> getPoints() {
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return Collections.unmodifiableList(points);
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}
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public DotPath getRectangle(double width, double height) {
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final double len = getLength();
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final int nb1 = (int) (width / len);
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DotPath h1 = drawHorizontal(0, 0, nb1);
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final int nb2 = (int) (height / len);
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final DotPath v1 = drawVertical(h1.getEndPoint().getX(), h1.getEndPoint().getY(), nb2);
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h1 = h1.addAfter(v1);
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return h1;
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}
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static Point2D convertPoint(char c) {
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final int v = convertFromChar(c);
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final int x = v % 7;
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final int y = v / 7;
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return new Point2D.Double(x - 3, y - 3);
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}
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static int convertFromChar(char c) {
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if (c >= 'A' && c <= 'Z') {
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return c - 'A';
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}
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if (c >= 'a' && c <= 'w') {
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return c - 'a' + 26;
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}
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throw new IllegalArgumentException();
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}
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// public void drawOld(UGraphic ug, double x, double y) {
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// final UPath path = new UPath();
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// path.add(new double[] { x, y }, USegmentType.SEG_MOVETO);
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// for (Point2D p : points) {
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// path.add(new double[] { x + p.getX(), y + p.getY() },
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// USegmentType.SEG_LINETO);
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// }
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// ug.draw(0, 0, path);
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// }
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public void drawHorizontal(UGraphic ug, double x, double y, int nb) {
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final DotPath path = drawHorizontal(x, y, nb);
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ug.draw(path);
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}
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public void drawVertical(UGraphic ug, double x, double y, int nb) {
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final DotPath path = drawVertical(x, y, nb);
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ug.draw(path);
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}
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DotPath drawHorizontal(double x, double y, int nb) {
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DotPath path = new DotPath();
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for (int i = 0; i < nb; i++) {
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path = addHorizontal(x, y, path);
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x = path.getEndPoint().getX();
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y = path.getEndPoint().getY();
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}
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return path;
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}
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DotPath drawVertical(double x, double y, int nb) {
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DotPath path = new DotPath();
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for (int i = 0; i < nb; i++) {
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path = addVertical(x, y, path);
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x = path.getEndPoint().getX();
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y = path.getEndPoint().getY();
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}
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return path;
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}
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private DotPath addHorizontal(double x, double y, DotPath path) {
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double lastx = 0;
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double lasty = 0;
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for (Point2D p : points) {
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final double x1 = lastx + x;
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final double y1 = lasty + y;
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final double x2 = p.getX() + x;
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final double y2 = p.getY() + y;
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path = path.addAfter(new CubicCurve2D.Double(x1, y1, x1, y1, x2, y2, x2, y2));
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lastx = p.getX();
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lasty = p.getY();
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}
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return path;
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}
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private DotPath addVertical(double x, double y, DotPath path) {
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double lastx = 0;
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double lasty = 0;
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for (Point2D p : points) {
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final double x1 = lastx + x;
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final double y1 = lasty + y;
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final double x2 = p.getY() + x;
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final double y2 = p.getX() + y;
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path = path.addAfter(new CubicCurve2D.Double(x1, y1, x1, y1, x2, y2, x2, y2));
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lastx = p.getY();
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lasty = p.getX();
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}
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return path;
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}
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}
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