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• 1.2023.13
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• UGraphicG2d.java

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net.sourceforge.plantuml.klimt.drawing.g2d.UGraphicG2d Maven / Gradle / Ivy

// 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:
 *
 * https://plantuml.com/patreon (only 1$ per month!)
 * https://plantuml.com/liberapay (only 1€ per month!)
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 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the MIT License.
 *
 * See http://opensource.org/licenses/MIT
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
 * IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * 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 MIT license.
 *
 * The generated images can then be used without any reference to the MIT 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
 * by the very same license.
 *
 * 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.Graphics2D;
import java.awt.Shape;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;

import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.klimt.UAntiAliasing;
import net.sourceforge.plantuml.klimt.UChange;
import net.sourceforge.plantuml.klimt.UClip;
import net.sourceforge.plantuml.klimt.UPath;
import net.sourceforge.plantuml.klimt.color.ColorMapper;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.drawing.AbstractCommonUGraphic;
import net.sourceforge.plantuml.klimt.drawing.AbstractUGraphic;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.EnsureVisible;
import net.sourceforge.plantuml.klimt.shape.DotPath;
import net.sourceforge.plantuml.klimt.shape.UCenteredCharacter;
import net.sourceforge.plantuml.klimt.shape.UEllipse;
import net.sourceforge.plantuml.klimt.shape.UImage;
import net.sourceforge.plantuml.klimt.shape.UImageSvg;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.klimt.shape.UPixel;
import net.sourceforge.plantuml.klimt.shape.UPolygon;
import net.sourceforge.plantuml.klimt.shape.URectangle;
import net.sourceforge.plantuml.klimt.shape.UText;
import net.sourceforge.plantuml.png.PngIO;
import net.sourceforge.plantuml.security.SecurityUtils;
import net.sourceforge.plantuml.url.Url;

public class UGraphicG2d extends AbstractUGraphic implements EnsureVisible {

	private BufferedImage bufferedImage;

	private final double dpiFactor;
	private final FileFormat format;

	private UAntiAliasing antiAliasing = UAntiAliasing.ANTI_ALIASING_ON;

	private List urls = new ArrayList<>();
	private Set allUrls = new HashSet<>();

	public final Set getAllUrlsEncountered() {
		return Collections.unmodifiableSet(allUrls);
	}

	@Override
	public UGraphic apply(UChange change) {
		final UGraphicG2d copy = (UGraphicG2d) super.apply(change);
		if (change instanceof UAntiAliasing)
			copy.antiAliasing = (UAntiAliasing) change;

		return copy;
	}

	@Override
	protected AbstractCommonUGraphic copyUGraphic() {
		final UGraphicG2d result = new UGraphicG2d(this);
		return result;
	}

	private UGraphicG2d(UGraphicG2d other) {
		super(other.getStringBounder());
		copy(other);
		this.dpiFactor = other.dpiFactor;
		this.bufferedImage = other.bufferedImage;
		this.urls = other.urls;
		this.allUrls = other.allUrls;
		this.antiAliasing = other.antiAliasing;
		this.format = other.format;
		register(dpiFactor);
	}

	public UGraphicG2d(HColor defaultBackground, ColorMapper colorMapper, StringBounder stringBounder, Graphics2D g2d,
			double dpiFactor, FileFormat format) {
		super(stringBounder);
		copy(defaultBackground, colorMapper, g2d);
		this.format = format;
		this.dpiFactor = dpiFactor;
		if (dpiFactor != 1.0)
			g2d.scale(dpiFactor, dpiFactor);

		register(dpiFactor);
	}

	private void register(double dpiFactor) {
		registerDriver(URectangle.class, new DriverRectangleG2d(dpiFactor, this));
		// ::comment when __CORE__
		if (dpiFactor != 1.0)
			registerDriver(UText.class, new DriverTextAsPathG2d(this, getStringBounder()));
		else
			registerDriver(UText.class, new DriverTextG2d(this, getStringBounder()));

		registerDriver(ULine.class, new DriverLineG2d(dpiFactor));
		registerDriver(UPixel.class, new DriverPixelG2d());
		registerDriver(UPolygon.class, new DriverPolygonG2d(dpiFactor, this));
		registerDriver(UEllipse.class, new DriverEllipseG2d(dpiFactor, this));
		ignoreShape(UImageSvg.class);
		registerDriver(UImage.class, new DriverImageG2d(dpiFactor, this));
		registerDriver(DotPath.class, new DriverDotPathG2d(this));
		registerDriver(UPath.class, new DriverPathG2d(dpiFactor));
		registerDriver(UCenteredCharacter.class, new DriverCenteredCharacterG2d());
	}

	@Override
	protected void beforeDraw() {
		super.beforeDraw();
		applyClip();
		antiAliasing.apply(getGraphicObject());
	}

	private void applyClip() {
		final UClip uclip = getClip();
		if (uclip == null) {
			getGraphicObject().setClip(null);
		} else {
			final Shape clip = new Rectangle2D.Double(uclip.getX(), uclip.getY(), uclip.getWidth(), uclip.getHeight());
			getGraphicObject().setClip(clip);
		}
	}

	protected final double getDpiFactor() {
		return dpiFactor;
	}

	@Override
	public void startUrl(Url url) {
		Objects.requireNonNull(url);
		// javascript: security issue
		if (SecurityUtils.ignoreThisLink(url.getUrl())) {
			urls.add(null);
		} else {
			urls.add(url);
			allUrls.add(url);
		}
	}

	@Override
	public void closeUrl() {
		urls.remove(urls.size() - 1);
	}

	public void ensureVisible(double x, double y) {
		for (Url u : urls)
			if (u != null && (getClip() == null || getClip().isInside(x, y)))
				u.ensureVisible(x, y);

	}

	public BufferedImage getBufferedImage() {
		return bufferedImage;
	}

	public void setBufferedImage(BufferedImage bufferedImage) {
		this.bufferedImage = bufferedImage;
	}

	public Graphics2D getGraphics2D() {
		return getGraphicObject();
	}

	@Override
	public void writeToStream(OutputStream os, String metadata, int dpi) throws IOException {
		final BufferedImage im = getBufferedImage();
		PngIO.write(im, getColorMapper(), os, metadata, dpi);
	}

	@Override
	public double dpiFactor() {
		return dpiFactor;
	}

}