mirror of https://github.com/octoleo/plantuml.git
99 lines
3.6 KiB
Java
99 lines
3.6 KiB
Java
/* ========================================================================
|
|
* 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.svg;
|
|
|
|
import net.sourceforge.plantuml.svg.SvgGraphics;
|
|
import net.sourceforge.plantuml.ugraphic.ClipContainer;
|
|
import net.sourceforge.plantuml.ugraphic.UClip;
|
|
import net.sourceforge.plantuml.ugraphic.UDriver;
|
|
import net.sourceforge.plantuml.ugraphic.UEllipse;
|
|
import net.sourceforge.plantuml.ugraphic.UParam;
|
|
import net.sourceforge.plantuml.ugraphic.color.ColorMapper;
|
|
|
|
public class DriverEllipseSvg implements UDriver<UEllipse, SvgGraphics> {
|
|
|
|
private final ClipContainer clipContainer;
|
|
|
|
public DriverEllipseSvg(ClipContainer clipContainer) {
|
|
this.clipContainer = clipContainer;
|
|
}
|
|
|
|
public void draw(UEllipse shape, double x, double y, ColorMapper mapper, UParam param, SvgGraphics svg) {
|
|
final double width = shape.getWidth();
|
|
final double height = shape.getHeight();
|
|
|
|
final UClip clip = clipContainer.getClip();
|
|
if (clip != null) {
|
|
if (clip.isInside(x, y) == false) {
|
|
return;
|
|
}
|
|
if (clip.isInside(x + width, y + height) == false) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
DriverRectangleSvg.applyStrokeColor(svg, mapper, param);
|
|
DriverRectangleSvg.applyFillColor(svg, mapper, param);
|
|
|
|
svg.setStrokeWidth(param.getStroke().getThickness(), param.getStroke().getDasharraySvg());
|
|
|
|
double start = shape.getStart();
|
|
final double extend = shape.getExtend();
|
|
final double cx = x + width / 2;
|
|
final double cy = y + height / 2;
|
|
if (start == 0 && extend == 0) {
|
|
svg.svgEllipse(cx, cy, width / 2, height / 2, shape.getDeltaShadow());
|
|
} else {
|
|
start = start + 90;
|
|
if (extend > 0) {
|
|
// http://www.itk.ilstu.edu/faculty/javila/SVG/SVG_drawing1/elliptical_curve.htm
|
|
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;
|
|
svg.svgArcEllipse(width / 2, height / 2, x1, y1, x2, y2);
|
|
} else {
|
|
final double x1 = cx + Math.sin((start + extend) * Math.PI / 180.) * width / 2;
|
|
final double y1 = cy + Math.cos((start + extend) * Math.PI / 180.) * height / 2;
|
|
final double x2 = cx + Math.sin(start * Math.PI / 180.) * width / 2;
|
|
final double y2 = cy + Math.cos(start * Math.PI / 180.) * height / 2;
|
|
svg.svgArcEllipse(width / 2, height / 2, x1, y1, x2, y2);
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|