net.sourceforge.plantuml.ugraphic.g2d.DriverLineG2d Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write : * sequence diagram, * use case diagram, * class diagram, * activity diagram, * component diagram, * state diagram * object diagram

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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2013, Arnaud Roques
 *
 * Project Info:  http://plantuml.sourceforge.net
 * 
 * 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.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * Original Author:  Arnaud Roques
 * 
 * Revision $Revision: 9786 $
 *
 */
package net.sourceforge.plantuml.ugraphic.g2d;

import java.awt.BasicStroke;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.Line2D;

import net.sourceforge.plantuml.ugraphic.ColorMapper;
import net.sourceforge.plantuml.ugraphic.UDriver;
import net.sourceforge.plantuml.ugraphic.ULine;
import net.sourceforge.plantuml.ugraphic.UParam;
import net.sourceforge.plantuml.ugraphic.UShape;
import net.sourceforge.plantuml.ugraphic.UStroke;

public class DriverLineG2d extends DriverShadowedG2d implements UDriver {

	private final double dpiFactor;
	
	public DriverLineG2d(double dpiFactor) {
		this.dpiFactor = dpiFactor;
	}

	public void draw(UShape ushape, double x, double y, ColorMapper mapper, UParam param, Graphics2D g2d) {
		final ULine shape = (ULine) ushape;

		final Shape line = new Line2D.Double(x, y, x + shape.getDX(), y + shape.getDY());
		manageStroke(param, g2d);
		// Shadow
		if (shape.getDeltaShadow() != 0) {
			drawShadow(g2d, line, shape.getDeltaShadow(), dpiFactor);
		}
		g2d.setColor(mapper.getMappedColor(param.getColor()));
		g2d.draw(line);
	}

	static void manageStroke(UParam param, Graphics2D g2d) {
		final UStroke stroke = param.getStroke();
		final float thickness = (float) stroke.getThickness();
		if (stroke.getDashVisible() == 0) {
			g2d.setStroke(new BasicStroke(thickness));
		} else {
			final float dash1 = (float) stroke.getDashVisible();
			final float dash2 = (float) stroke.getDashSpace();
			final float[] style = { dash1, dash2 };
			g2d.setStroke(new BasicStroke(thickness, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 10.0f, style, 0));
		}
	}
}