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• 1.2023.11
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• LimitFinder.java

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net.sourceforge.plantuml.klimt.drawing.LimitFinder 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!)
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 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the Eclipse Public License.
 *
 * THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
 * LICENSE ("AGREEMENT"). [Eclipse Public License - v 1.0]
 *
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
 * RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
 *
 * You may obtain a copy of the License at
 *
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * 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 EPL license.
 *
 * The generated images can then be used without any reference to the EPL 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;

import static net.sourceforge.plantuml.utils.ObjectUtils.instanceOfAny;

import net.atmp.SpecialText;
import net.sourceforge.plantuml.activitydiagram3.ftile.CenteredText;
import net.sourceforge.plantuml.klimt.CopyForegroundColorToBackgroundColor;
import net.sourceforge.plantuml.klimt.UAntiAliasing;
import net.sourceforge.plantuml.klimt.UBackground;
import net.sourceforge.plantuml.klimt.UChange;
import net.sourceforge.plantuml.klimt.UClip;
import net.sourceforge.plantuml.klimt.UPath;
import net.sourceforge.plantuml.klimt.UShape;
import net.sourceforge.plantuml.klimt.UStroke;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.ColorMapper;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.MinMax;
import net.sourceforge.plantuml.klimt.geom.MinMaxMutable;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.DotPath;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.UCenteredCharacter;
import net.sourceforge.plantuml.klimt.shape.UComment;
import net.sourceforge.plantuml.klimt.shape.UEllipse;
import net.sourceforge.plantuml.klimt.shape.UEmpty;
import net.sourceforge.plantuml.klimt.shape.UHidden;
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;

public final class LimitFinder extends UGraphicNo {
    // ::remove file when __HAXE__

	@Override
	public UGraphic apply(UChange change) {
		final UTranslate tmp = change instanceof UTranslate ? this.getTranslate().compose((UTranslate) change)
				: this.getTranslate();
		final LimitFinder result = new LimitFinder(this.getStringBounder(), tmp, this.minmax);
		if (instanceOfAny(change, UAntiAliasing.class, UBackground.class, UClip.class, HColor.class, UHidden.class,
				UStroke.class, UTranslate.class, CopyForegroundColorToBackgroundColor.class) == false)
			throw new UnsupportedOperationException(change.getClass().toString());
		result.clip = change instanceof UClip ? ((UClip) change).translate(result.getTranslate()) : this.clip;
		return result;
	}

	private final MinMaxMutable minmax;
	private UClip clip;

	public static LimitFinder create(StringBounder stringBounder, boolean initToZero) {
		final LimitFinder result = new LimitFinder(stringBounder, UTranslate.none(), MinMaxMutable.getEmpty(initToZero));
		result.clip = null;
		return result;
	}

	private LimitFinder(StringBounder stringBounder, UTranslate translate, MinMaxMutable minmax) {
		super(stringBounder, translate);
		this.minmax = minmax;
	}

	@Override
	public void draw(UShape shape) {
		final double x = getTranslate().getDx();
		final double y = getTranslate().getDy();
		if (shape instanceof UText) {
			drawText(x, y, (UText) shape);
		} else if (shape instanceof ULine) {
			drawULine(x, y, (ULine) shape);
		} else if (shape instanceof UEllipse) {
			drawEllipse(x, y, (UEllipse) shape);
		} else if (shape instanceof UPolygon) {
			drawUPolygon(x, y, (UPolygon) shape);
		} else if (shape instanceof UPath) {
			drawUPath(x, y, (UPath) shape);
		} else if (shape instanceof URectangle) {
			drawRectangle(x, y, (URectangle) shape);
		} else if (shape instanceof DotPath) {
			drawDotPath(x, y, (DotPath) shape);
		} else if (shape instanceof UImage) {
			drawImage(x, y, (UImage) shape);
		} else if (shape instanceof UImageSvg) {
			drawImageSvg(x, y, (UImageSvg) shape);
		} else if (shape instanceof UComment) {
		} else if (shape instanceof UEmpty) {
			drawEmpty(x, y, (UEmpty) shape);
		} else if (shape instanceof TextBlock) {
			final TextBlock tb = (TextBlock) shape;
			tb.drawU(this);
		} else if (shape instanceof UCenteredCharacter) {
			// To be done
		} else if (shape instanceof CenteredText) {
			// Ignored
		} else if (shape instanceof SpecialText) {
			// Ignored
		} else if (shape instanceof CopyForegroundColorToBackgroundColor) {
			// Ignored
		} else if (shape instanceof UPixel) {
			addPoint(x, y);
		} else {
			throw new UnsupportedOperationException(shape.getClass().getName());
		}
	}

	private void addPoint(double x, double y) {
		if (clip == null || clip.isInside(x, y))
			minmax.addPoint(x, y);

	}

	private void drawEmpty(double x, double y, UEmpty shape) {
		addPoint(x, y);
		addPoint(x + shape.getWidth(), y + shape.getHeight());
	}

	private void drawUPath(double x, double y, UPath shape) {
		addPoint(x + shape.getMinX(), y + shape.getMinY());
		addPoint(x + shape.getMaxX(), y + shape.getMaxY());
	}

	private final static double HACK_X_FOR_POLYGON = 10;

	private void drawUPolygon(double x, double y, UPolygon shape) {
		if (shape.getPoints().size() == 0)
			return;

		addPoint(x + shape.getMinX() - HACK_X_FOR_POLYGON, y + shape.getMinY());
		addPoint(x + shape.getMaxX() + HACK_X_FOR_POLYGON, y + shape.getMaxY());
	}

	private void drawULine(double x, double y, ULine shape) {
		addPoint(x, y);
		addPoint(x + shape.getDX(), y + shape.getDY());
	}

	private void drawRectangle(double x, double y, URectangle shape) {
		addPoint(x - 1, y - 1);
		addPoint(x + shape.getWidth() - 1 + shape.getDeltaShadow() * 2,
				y + shape.getHeight() - 1 + shape.getDeltaShadow() * 2);
	}

	private void drawDotPath(double x, double y, DotPath shape) {
		final MinMax shapeMinMax = shape.getMinMax();
		addPoint(x + shapeMinMax.getMinX(), y + shapeMinMax.getMinY());
		addPoint(x + shapeMinMax.getMaxX(), y + shapeMinMax.getMaxY());
	}

	private void drawImage(double x, double y, UImage shape) {
		addPoint(x, y);
		addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
	}

	private void drawImageSvg(double x, double y, UImageSvg shape) {
		addPoint(x, y);
		addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
	}

	private void drawEllipse(double x, double y, UEllipse shape) {
		addPoint(x, y);
		addPoint(x + shape.getWidth() - 1 + shape.getDeltaShadow() * 2,
				y + shape.getHeight() - 1 + shape.getDeltaShadow() * 2);
	}

	private void drawText(double x, double y, UText text) {
		final XDimension2D dim = getStringBounder().calculateDimension(text.getFontConfiguration().getFont(),
				text.getText());
		y -= dim.getHeight() - 1.5;
		addPoint(x, y);
		addPoint(x, y + dim.getHeight());
		addPoint(x + dim.getWidth(), y);
		addPoint(x + dim.getWidth(), y + dim.getHeight());
	}

	public ColorMapper getColorMapper() {
		return ColorMapper.IDENTITY;
	}

	public double getMaxX() {
		return minmax.getMaxX();
	}

	public double getMaxY() {
		return minmax.getMaxY();
	}

	public double getMinX() {
		return minmax.getMinX();
	}

	public double getMinY() {
		return minmax.getMinY();
	}

	public MinMax getMinMax() {
		if (minmax.isInfinity())
			return MinMax.getEmpty(true);

		return MinMax.fromMutable(minmax);
	}

}