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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.g2d;
import java.awt.BasicStroke;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.Point2D;
import net.sourceforge.plantuml.EnsureVisible;
import net.sourceforge.plantuml.graphic.HtmlColor;
import net.sourceforge.plantuml.graphic.HtmlColorGradient;
import net.sourceforge.plantuml.ugraphic.ColorMapper;
import net.sourceforge.plantuml.ugraphic.UDriver;
import net.sourceforge.plantuml.ugraphic.UParam;
import net.sourceforge.plantuml.ugraphic.UPolygon;
import net.sourceforge.plantuml.ugraphic.UShape;
public class DriverPolygonG2d extends DriverShadowedG2d implements UDriver<Graphics2D> {
private final double dpiFactor;
private final EnsureVisible visible;
public DriverPolygonG2d(double dpiFactor, EnsureVisible visible) {
this.dpiFactor = dpiFactor;
this.visible = visible;
}
public void draw(UShape ushape, double x, double y, ColorMapper mapper, UParam param, Graphics2D g2d) {
final UPolygon shape = (UPolygon) ushape;
g2d.setStroke(new BasicStroke((float) param.getStroke().getThickness()));
final GeneralPath path = new GeneralPath();
boolean first = true;
for (Point2D pt : shape.getPoints()) {
final double xp = pt.getX() + x;
final double yp = pt.getY() + y;
visible.ensureVisible(xp, yp);
if (first) {
path.moveTo((float) xp, (float) yp);
} else {
path.lineTo((float) xp, (float) yp);
}
first = false;
}
if (first == false) {
path.closePath();
}
if (shape.getDeltaShadow() != 0) {
drawShadow(g2d, path, shape.getDeltaShadow(), dpiFactor);
}
final HtmlColor back = param.getBackcolor();
if (back instanceof HtmlColorGradient) {
final HtmlColorGradient gr = (HtmlColorGradient) back;
final char policy = gr.getPolicy();
final GradientPaint paint;
// final Rectangle2D bound = path.getBounds();
if (policy == '|') {
paint = new GradientPaint((float) x, (float) (y + shape.getHeight()) / 2, mapper.getMappedColor(gr
.getColor1()), (float) (x + shape.getWidth()), (float) (y + shape.getHeight()) / 2,
mapper.getMappedColor(gr.getColor2()));
} else if (policy == '\\') {
paint = new GradientPaint((float) x, (float) (y + shape.getHeight()), mapper.getMappedColor(gr
.getColor1()), (float) (x + shape.getWidth()), (float) y, mapper.getMappedColor(gr.getColor2()));
} else if (policy == '-') {
paint = new GradientPaint((float) (x + shape.getWidth()) / 2, (float) y, mapper.getMappedColor(gr
.getColor1()), (float) (x + shape.getWidth()) / 2, (float) (y + shape.getHeight()),
mapper.getMappedColor(gr.getColor2()));
} else {
// for /
paint = new GradientPaint((float) x, (float) y, mapper.getMappedColor(gr.getColor1()),
(float) (x + shape.getWidth()), (float) (y + shape.getHeight()), mapper.getMappedColor(gr
.getColor2()));
}
g2d.setPaint(paint);
g2d.fill(path);
} else if (back!=null) {
g2d.setColor(mapper.getMappedColor(back));
DriverRectangleG2d.managePattern(param, g2d);
g2d.fill(path);
}
if (param.getColor() != null) {
g2d.setColor(mapper.getMappedColor(param.getColor()));
DriverLineG2d.manageStroke(param, g2d);
g2d.draw(path);
}
}
}
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