net.sourceforge.plantuml.klimt.drawing.g2d.DriverImageG2d Maven / Gradle / Ivy

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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
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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
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 *
 */
package net.sourceforge.plantuml.klimt.drawing.g2d;

import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;

import net.sourceforge.plantuml.klimt.UParam;
import net.sourceforge.plantuml.klimt.color.ColorMapper;
import net.sourceforge.plantuml.klimt.drawing.UDriver;
import net.sourceforge.plantuml.klimt.geom.EnsureVisible;
import net.sourceforge.plantuml.klimt.shape.UImage;

public class DriverImageG2d implements UDriver {

	private final EnsureVisible visible;

	private final double dpiFactor;

	public DriverImageG2d(double dpiFactor, EnsureVisible visible) {
		this.visible = visible;
		this.dpiFactor = dpiFactor;
	}

	public void draw(UImage shape, double x, double y, ColorMapper mapper, UParam param, Graphics2D g2d) {
		visible.ensureVisible(x, y);
		visible.ensureVisible(x + shape.getWidth(), y + shape.getHeight());
		if (dpiFactor == 1) {
			g2d.drawImage(shape.getImage(1), (int) (x), (int) (y), null);
		} else {
			final AffineTransform back = g2d.getTransform();
			g2d.scale(1 / dpiFactor, 1 / dpiFactor);
			g2d.drawImage(shape.getImage(dpiFactor), (int) (x * dpiFactor), (int) (y * dpiFactor), null);
			g2d.setTransform(back);
		}
	}

}