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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.timingdiagram;

import net.sourceforge.plantuml.klimt.UStroke;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.ColorType;
import net.sourceforge.plantuml.klimt.color.Colors;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.FontParam;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.klimt.shape.URectangle;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleSignatureBasic;

public class Highlight {

	private final TimeTick tickFrom;
	private final TimeTick tickTo;
	private final Display caption;
	private final Colors colors;
	private final ISkinParam skinParam;

	public Highlight(ISkinParam skinParam, TimeTick tickFrom, TimeTick tickTo, Display caption, Colors colors) {
		this.tickFrom = tickFrom;
		this.tickTo = tickTo;
		this.caption = caption;
		this.colors = colors;
		this.skinParam = skinParam;
	}

	private StyleSignatureBasic getStyleSignature() {
		return StyleSignatureBasic.of(SName.root, SName.element, SName.timingDiagram, SName.highlight);
	}

	private Style getStyle() {
		return getStyleSignature().getMergedStyle(skinParam.getCurrentStyleBuilder());

	}

	private HColor getBackColor() {
		final HColor result = colors.getColor(ColorType.BACK);
		if (result == null)
			return getStyle().value(PName.BackGroundColor).asColor(skinParam.getIHtmlColorSet());

		return result;
	}

	private HColor getLineColor() {
		final HColor result = colors.getColor(ColorType.LINE);
		if (result == null)
			return getStyle().value(PName.LineColor).asColor(skinParam.getIHtmlColorSet());

		return result;
	}

	private UStroke getUStroke() {
		return getStyle().getStroke();
	}

	public final TimeTick getTickFrom() {
		return tickFrom;
	}

	public final TimeTick getTickTo() {
		return tickTo;
	}

	public final Display getCaption() {
		return caption;
	}

	public TextBlock getCaption(ISkinParam skinParam) {
		final FontConfiguration fc = FontConfiguration.create(skinParam, FontParam.TIMING, null);
		return caption.create(fc, HorizontalAlignment.LEFT, skinParam);
	}

	public void drawHighlightsBack(UGraphic ug, TimingRuler ruler, double height) {
		ug = ug.apply(HColors.none()).apply(getBackColor().bg());
		final double start = ruler.getPosInPixel(this.getTickFrom());
		final double end = ruler.getPosInPixel(this.getTickTo());
		final URectangle rect = URectangle.build(end - start, height);
		ug.apply(UTranslate.dx(start)).draw(rect);
	}

	public void drawHighlightsLines(UGraphic ug, TimingRuler ruler, double height) {
		ug = ug.apply(getUStroke());
		ug = ug.apply(getLineColor());
		final ULine line = ULine.vline(height);
		final double start = ruler.getPosInPixel(this.getTickFrom());
		final double end = ruler.getPosInPixel(this.getTickTo());
		ug.apply(UTranslate.dx(start)).draw(line);
		ug.apply(UTranslate.dx(end)).draw(line);
	}

}