DriverRectangleTeaVM.java

/* ========================================================================
 * 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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 * This file is part of PlantUML.
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 * 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.
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 * Original Author:  Arnaud Roques
 * 
 *
 */
package net.sourceforge.plantuml.teavm;

import net.sourceforge.plantuml.klimt.ClipContainer;
import net.sourceforge.plantuml.klimt.UClip;
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.drawing.UDriver;
import net.sourceforge.plantuml.klimt.shape.URectangle;

public class DriverRectangleTeaVM implements UDriver<URectangle, SvgGraphicsTeaVM> {
	// ::remove file when JAVA8

	private final ClipContainer clipContainer;

	public DriverRectangleTeaVM(ClipContainer clipContainer) {
		this.clipContainer = clipContainer;
	}

	@Override
	public void draw(URectangle rect, double x, double y, ColorMapper mapper, UParam param, SvgGraphicsTeaVM svg) {
		final double rx = rect.getRx();
		final double ry = rect.getRy();
		double width = rect.getWidth();
		double height = rect.getHeight();

		applyFillColor(svg, mapper, param);
		applyStrokeColor(svg, mapper, param);
		svg.setStrokeWidth(param.getStroke().getThickness());

		final UClip clip = clipContainer.getClip();
		if (clip != null) {
			final double clipRight = clip.getX() + clip.getWidth();
			final double clipBottom = clip.getY() + clip.getHeight();
			final double newX = Math.max(x, clip.getX());
			final double newY = Math.max(y, clip.getY());
			width = Math.min(x + width, clipRight) - newX;
			height = Math.min(y + height, clipBottom) - newY;
			x = newX;
			y = newY;
			if (width <= 0 || height <= 0)
				return;
		}

		svg.drawRectangle(x, y, width, height, rx / 2, ry / 2);
	}

	public static void applyFillColor(SvgGraphicsTeaVM svg, ColorMapper mapper, UParam param) {
		final HColor background = param.getBackcolor();
		if (background == null) {
			svg.setFillColor("none");
		} else {
			svg.setFillColor(background.toSvg(mapper));
		}
	}

	public static void applyStrokeColor(SvgGraphicsTeaVM svg, ColorMapper mapper, UParam param) {
		final HColor color = param.getColor();
		if (color == null) {
			svg.setStrokeColor("none");
		} else {
			svg.setStrokeColor(color.toSvg(mapper));
		}
	}
}