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PlantUML is a component that allows to quickly write diagrams from text.
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// 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!)
 * https://plantuml.com/paypal
 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the Apache Software License.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 APACHE license.
 *
 * The generated images can then be used without any reference to the APACHE 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.txt;

import static java.nio.charset.StandardCharsets.UTF_8;

import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;

import net.sourceforge.plantuml.asciiart.TranslatedCharArea;
import net.sourceforge.plantuml.asciiart.UmlCharArea;
import net.sourceforge.plantuml.asciiart.UmlCharAreaImpl;
import net.sourceforge.plantuml.klimt.ClipContainer;
import net.sourceforge.plantuml.klimt.UShape;
import net.sourceforge.plantuml.klimt.color.ColorMapper;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.drawing.AbstractCommonUGraphic;
import net.sourceforge.plantuml.klimt.drawing.debug.StringBounderDebug;
import net.sourceforge.plantuml.klimt.font.FontStyle;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.UImage;
import net.sourceforge.plantuml.klimt.shape.UText;
import net.sourceforge.plantuml.security.SecurityUtils;

public class UGraphicTxt extends AbstractCommonUGraphic implements ClipContainer {
	// ::remove folder when __HAXE__
	// ::remove folder when __CORE__

	private final UmlCharArea charArea;

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

	private UGraphicTxt(UGraphicTxt other) {
		super(other.getStringBounder());
		basicCopy(other);
		this.charArea = other.charArea;
	}

	public UGraphicTxt() {
		super(new StringBounderDebug());
		basicCopy(HColors.BLACK, ColorMapper.IDENTITY);
		this.charArea = new UmlCharAreaImpl();
	}

	public void draw(UShape shape) {
		// final UClip clip = getClip();
		if (shape instanceof UText) {
			final UText txt = (UText) shape;
			final int y = ((int) (getTranslateY() + txt.getDescent(getStringBounder()))) / 10;
			if (txt.getFontConfiguration().containsStyle(FontStyle.WAVE)) {
				charArea.drawHLine('^', y, getDx(), txt.getText().length());
				charArea.drawStringLR(txt.getText(), getDx(), y + 1);
			} else {
				charArea.drawStringLR(txt.getText(), getDx(), y);
			}
			return;
		} else if (shape instanceof UImage) {
			return;
		}
		return;
		// throw new UnsupportedOperationException("cl=" + shape.getClass());
	}

	public final UmlCharArea getCharArea() {
		return new TranslatedCharArea(charArea, getDx(), getDy());
	}

	private int getDy() {
		return (int) getTranslateY();
	}

	private int getDx() {
		return (int) getTranslateX();
	}

	public XDimension2D getDimension() {
		return new XDimension2D(0, 0);
	}

	@Override
	public void writeToStream(OutputStream os, String metadata, int dpi) throws IOException {
		final PrintStream ps = SecurityUtils.createPrintStream(os, true, UTF_8);
		getCharArea().print(ps);
	}

}