plantuml/src/net/sourceforge/plantuml/ugraphic/hand/UPathHand.java

102 lines
3.3 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, 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: Adrian Vogt
*
*/
package net.sourceforge.plantuml.ugraphic.hand;
import java.awt.geom.CubicCurve2D;
import java.awt.geom.Point2D;
import java.util.Random;
import net.sourceforge.plantuml.ugraphic.UPath;
import net.sourceforge.plantuml.ugraphic.USegment;
import net.sourceforge.plantuml.ugraphic.USegmentType;
public class UPathHand {
private final UPath path;
private final double defaultVariation = 4.0;
public UPathHand(UPath source, Random rnd) {
final UPath result = new UPath();
Point2D last = new Point2D.Double();
for (USegment segment : source) {
final USegmentType type = segment.getSegmentType();
if (type == USegmentType.SEG_MOVETO) {
final double x = segment.getCoord()[0];
final double y = segment.getCoord()[1];
result.moveTo(x, y);
last = new Point2D.Double(x, y);
} else if (type == USegmentType.SEG_CUBICTO) {
final double x2 = segment.getCoord()[4];
final double y2 = segment.getCoord()[5];
final HandJiggle jiggle = HandJiggle.create(last, 2.0, rnd);
final CubicCurve2D tmp = new CubicCurve2D.Double(last.getX(), last.getY(), segment.getCoord()[0],
segment.getCoord()[1], segment.getCoord()[2], segment.getCoord()[3], x2, y2);
jiggle.curveTo(tmp);
jiggle.appendTo(result);
last = new Point2D.Double(x2, y2);
} else if (type == USegmentType.SEG_LINETO) {
final double x = segment.getCoord()[0];
final double y = segment.getCoord()[1];
final HandJiggle jiggle = new HandJiggle(last.getX(), last.getY(), defaultVariation, rnd);
jiggle.lineTo(x, y);
for (USegment seg2 : jiggle.toUPath())
if (seg2.getSegmentType() == USegmentType.SEG_LINETO)
result.lineTo(seg2.getCoord()[0], seg2.getCoord()[1]);
last = new Point2D.Double(x, y);
} else if (type == USegmentType.SEG_ARCTO) {
final double x = segment.getCoord()[5];
final double y = segment.getCoord()[6];
result.lineTo(x, y);
last = new Point2D.Double(x, y);
} else {
this.path = source;
return;
}
}
this.path = result;
this.path.setDeltaShadow(source.getDeltaShadow());
}
public UPath getHanddrawn() {
return this.path;
}
}