net.sourceforge.plantuml.klimt.drawing.g2d.DriverPolygonG2d Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 *
 * If you like this project or if you find it useful, you can support us at:
 *
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 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see .
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this LGPL license.
 *
 * The generated images can then be used without any reference to the LGPL license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
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 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.klimt.drawing.g2d;

import java.awt.BasicStroke;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;

import net.sourceforge.plantuml.klimt.UParam;
import net.sourceforge.plantuml.klimt.color.ColorMapper;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColorGradient;
import net.sourceforge.plantuml.klimt.drawing.UDriver;
import net.sourceforge.plantuml.klimt.geom.EnsureVisible;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.klimt.shape.UPolygon;

public class DriverPolygonG2d extends DriverShadowedG2d implements UDriver {

	private final double dpiFactor;
	private final EnsureVisible visible;

	public DriverPolygonG2d(double dpiFactor, EnsureVisible visible) {
		this.dpiFactor = dpiFactor;
		this.visible = visible;
	}

	public void draw(UPolygon shape, double x, double y, ColorMapper mapper, UParam param, Graphics2D g2d) {
		g2d.setStroke(new BasicStroke((float) param.getStroke().getThickness()));

		final GeneralPath path = new GeneralPath();

		final HColor back = param.getBackcolor();

		XPoint2D last = null;
		for (XPoint2D pt : shape.getPoints()) {
			final double xp = pt.getX() + x;
			final double yp = pt.getY() + y;
			visible.ensureVisible(xp, yp);
			if (last == null)
				path.moveTo((float) xp, (float) yp);
			else
				path.lineTo((float) xp, (float) yp);

			last = new XPoint2D(xp, yp);
		}

		if (last != null)
			path.closePath();

		if (shape.getDeltaShadow() != 0)
			if (back.isTransparent())
				drawOnlyLineShadowSpecial(g2d, path, shape.getDeltaShadow(), dpiFactor);
			else
				drawShadow(g2d, path, shape.getDeltaShadow(), dpiFactor);

		if (back instanceof HColorGradient) {
			final HColorGradient gr = (HColorGradient) back;
			final char policy = gr.getPolicy();
			final GradientPaint paint;
			if (policy == '|')
				paint = new GradientPaint((float) x, (float) (y + shape.getHeight()) / 2,
						gr.getColor1().toColor(mapper), (float) (x + shape.getWidth()),
						(float) (y + shape.getHeight()) / 2, gr.getColor2().toColor(mapper));
			else if (policy == '\\')
				paint = new GradientPaint((float) x, (float) (y + shape.getHeight()), gr.getColor1().toColor(mapper),
						(float) (x + shape.getWidth()), (float) y, gr.getColor2().toColor(mapper));
			else if (policy == '-')
				paint = new GradientPaint((float) (x + shape.getWidth()) / 2, (float) y, gr.getColor1().toColor(mapper),
						(float) (x + shape.getWidth()) / 2, (float) (y + shape.getHeight()),
						gr.getColor2().toColor(mapper));
			else
				// for /
				paint = new GradientPaint((float) x, (float) y, gr.getColor1().toColor(mapper),
						(float) (x + shape.getWidth()), (float) (y + shape.getHeight()),
						gr.getColor2().toColor(mapper));

			g2d.setPaint(paint);
			g2d.fill(path);
		} else if (back.isTransparent() == false) {
			g2d.setColor(back.toColor(mapper));
			DriverRectangleG2d.managePattern(param, g2d);
			g2d.fill(path);
		}

		if (param.getColor().isTransparent() == false) {
			g2d.setColor(param.getColor().toColor(mapper));
			DriverLineG2d.manageStroke(param, g2d);
			g2d.draw(path);
		}
	}

}