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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*/
package net.sourceforge.plantuml.ugraphic.tikz;
import net.sourceforge.plantuml.tikz.TikzGraphics;
import net.sourceforge.plantuml.ugraphic.ColorMapper;
import net.sourceforge.plantuml.ugraphic.UDriver;
import net.sourceforge.plantuml.ugraphic.UEllipse;
import net.sourceforge.plantuml.ugraphic.UParam;
import net.sourceforge.plantuml.ugraphic.UShape;
public class DriverEllipseTikz implements UDriver<TikzGraphics> {
public void draw(UShape ushape, double x, double y, ColorMapper mapper, UParam param, TikzGraphics tikz) {
final UEllipse shape = (UEllipse) ushape;
final double width = shape.getWidth();
final double height = shape.getHeight();
double start = shape.getStart();
final double extend = shape.getExtend();
final double cx = x + width / 2;
final double cy = y + height / 2;
tikz.setFillColor(mapper.getMappedColor(param.getBackcolor()));
tikz.setStrokeColor(mapper.getMappedColor(param.getColor()));
tikz.setStrokeWidth(param.getStroke().getThickness(), param.getStroke().getDashTikz());
if (start == 0 && extend == 0) {
tikz.ellipse(cx, cy, width / 2, height / 2);
} else {
start = start + 90;
final double x1 = cx + Math.sin(start * Math.PI / 180.) * width / 2;
final double y1 = cy + Math.cos(start * Math.PI / 180.) * height / 2;
final double x2 = cx + Math.sin((start + extend) * Math.PI / 180.) * width / 2;
final double y2 = cy + Math.cos((start + extend) * Math.PI / 180.) * height / 2;
// start = start + 360;
// tikz.arc(x2, y2, (int) start, (int) (start - 45), (width + height) / 4);
tikz.arc(x1, y1, (int) ((360-(start+270))), (int) (360-((start+270+extend))), (width + height) / 4);
// tikz.arc(x1, y1, (int) (start + 270 + extend), (int) (start + 270), (width + height) / 4);
// // http://www.itk.ilstu.edu/faculty/javila/SVG/SVG_drawing1/elliptical_curve.htm
// // svg.svgEllipse(x1, y1, 1, 1, 0);
// // svg.svgEllipse(x2, y2, 1, 1, 0);
// svg.svgArcEllipse(width / 2, height / 2, x1, y1, x2, y2);
}
}
}
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