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79 lines
3.1 KiB
Java
79 lines
3.1 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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package net.sourceforge.plantuml.klimt.drawing.tikz;
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import net.sourceforge.plantuml.klimt.UParam;
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import net.sourceforge.plantuml.klimt.color.ColorMapper;
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import net.sourceforge.plantuml.klimt.drawing.UDriver;
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import net.sourceforge.plantuml.klimt.shape.UEllipse;
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import net.sourceforge.plantuml.tikz.TikzGraphics;
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public class DriverEllipseTikz implements UDriver<UEllipse, TikzGraphics> {
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public void draw(UEllipse shape, double x, double y, ColorMapper mapper, UParam param, TikzGraphics tikz) {
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final double width = shape.getWidth();
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final double height = shape.getHeight();
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double start = shape.getStart();
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final double extend = shape.getExtend();
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final double cx = x + width / 2;
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final double cy = y + height / 2;
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tikz.setFillColor(param.getBackcolor());
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tikz.setStrokeColor(param.getColor());
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tikz.setStrokeWidth(param.getStroke().getThickness(), param.getStroke().getDashTikz());
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if (start == 0 && extend == 0) {
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tikz.ellipse(cx, cy, width / 2, height / 2);
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} else {
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start = start + 90;
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final double x1 = cx + Math.sin(start * Math.PI / 180.) * width / 2;
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final double y1 = cy + Math.cos(start * Math.PI / 180.) * height / 2;
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final double x2 = cx + Math.sin((start + extend) * Math.PI / 180.) * width / 2;
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final double y2 = cy + Math.cos((start + extend) * Math.PI / 180.) * height / 2;
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// start = start + 360;
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// tikz.arc(x2, y2, (int) start, (int) (start - 45), (width + height) / 4);
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tikz.arc(x1, y1, (int) ((360 - (start + 270))), (int) (360 - ((start + 270 + extend))),
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(width + height) / 4);
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// tikz.arc(x1, y1, (int) (start + 270 + extend), (int) (start + 270), (width +
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// height) / 4);
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// //
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// http://www.itk.ilstu.edu/faculty/javila/SVG/SVG_drawing1/elliptical_curve.htm
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// // svg.svgEllipse(x1, y1, 1, 1, 0);
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// // svg.svgEllipse(x2, y2, 1, 1, 0);
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// svg.svgArcEllipse(width / 2, height / 2, x1, y1, x2, y2);
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}
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}
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}
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