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PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// 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 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.project.draw;

import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColorSet;
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.StringBounder;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.TextBlockUtils;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.klimt.shape.URectangle;
import net.sourceforge.plantuml.klimt.sprite.SpriteContainerEmpty;
import net.sourceforge.plantuml.project.LabelStrategy;
import net.sourceforge.plantuml.project.core.Task;
import net.sourceforge.plantuml.project.core.TaskAttribute;
import net.sourceforge.plantuml.project.lang.CenterBorderColor;
import net.sourceforge.plantuml.project.time.Day;
import net.sourceforge.plantuml.project.timescale.TimeScale;
import net.sourceforge.plantuml.real.Real;
import net.sourceforge.plantuml.style.ClockwiseTopRightBottomLeft;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleBuilder;
import net.sourceforge.plantuml.style.StyleSignatureBasic;
import net.sourceforge.plantuml.url.Url;
import net.sourceforge.plantuml.utils.Direction;

public class TaskDrawSeparator implements TaskDraw {

	private final TimeScale timeScale;
	private Real y;
	private final Day min;
	private final Day max;
	private final String name;
	private final StyleBuilder styleBuilder;
	private final HColorSet colorSet;

	public TaskDrawSeparator(String name, TimeScale timeScale, Real y, Day min, Day max, StyleBuilder styleBuilder,
			HColorSet colorSet) {
		this.styleBuilder = styleBuilder;
		this.colorSet = colorSet;
		this.name = name;
		this.y = y;
		this.timeScale = timeScale;
		this.min = min;
		this.max = max;
	}

	@Override
	public void drawTitle(UGraphic ug, LabelStrategy labelStrategy, double colTitles, double colBars) {
		final ClockwiseTopRightBottomLeft padding = getStyle().getPadding();
		final ClockwiseTopRightBottomLeft margin = getStyle().getMargin();
		final double dx = margin.getLeft() + padding.getLeft();
		final double dy = margin.getTop() + padding.getTop();
		final double x;
		if (labelStrategy.titleInFirstColumn()) {
			x = colTitles;
		} else {
			x = 0;
		}
		getTitle().drawU(ug.apply(new UTranslate(x + dx, dy)));
	}

	@Override
	public double getTitleWidth(StringBounder stringBounder) {
		// Never used in first column
		return 0;
	}

	private StyleSignatureBasic getStyleSignature() {
		return StyleSignatureBasic.of(SName.root, SName.element, SName.ganttDiagram, SName.separator);
	}

	private Style getStyle() {
		return getStyleSignature().getMergedStyle(styleBuilder);
	}

	private TextBlock getTitle() {
		if (name == null) {
			return TextBlockUtils.empty(0, 0);
		}
		return Display.getWithNewlines(this.name).create(getFontConfiguration(), HorizontalAlignment.LEFT,
				new SpriteContainerEmpty());
	}

	private FontConfiguration getFontConfiguration() {
		return getStyle().getFontConfiguration(colorSet);
	}

	@Override
	public void drawU(UGraphic ug) {
		final StringBounder stringBounder = ug.getStringBounder();
		final double widthTitle = getTitle().calculateDimension(stringBounder).getWidth();
		final double start = timeScale.getStartingPosition(min);
		// final double start2 = start1 + widthTitle;
		final double end = timeScale.getEndingPosition(max);

		final ClockwiseTopRightBottomLeft padding = getStyle().getPadding();
		final ClockwiseTopRightBottomLeft margin = getStyle().getMargin();
		ug = ug.apply(new UTranslate(0, margin.getTop()));

		final HColor backColor = getStyle().value(PName.BackGroundColor).asColor(colorSet);

		if (backColor.isTransparent() == false) {
			final double height = padding.getTop() + getTextHeight(stringBounder) + padding.getBottom();
			if (height > 0) {
				final URectangle rect = URectangle.build(end - start, height);
				ug.apply(backColor.bg()).draw(rect);
			}
		}

		final HColor lineColor = getStyle().value(PName.LineColor).asColor(colorSet);
		ug = ug.apply(lineColor);
		ug = ug.apply(UTranslate.dy(padding.getTop() + getTextHeight(stringBounder) / 2));

		if (widthTitle == 0) {
			final ULine line = ULine.hline(end - start);
			ug.draw(line);
		} else {
			if (padding.getLeft() > 1) {
				final ULine line1 = ULine.hline(padding.getLeft());
				ug.draw(line1);
			}
			final double x1 = padding.getLeft() + margin.getLeft() + widthTitle + margin.getRight();
			final double x2 = end - 1;
			final ULine line2 = ULine.hline(x2 - x1);
			ug.apply(UTranslate.dx(x1)).draw(line2);
		}
	}

	@Override
	public FingerPrint getFingerPrint(StringBounder stringBounder) {
		final double h = getFullHeightTask(stringBounder);
		final double end = timeScale.getEndingPosition(max);
		return new FingerPrint(0, getY(stringBounder).getCurrentValue(), end,
				getY(stringBounder).getCurrentValue() + h);
	}

	@Override
	public FingerPrint getFingerPrintNote(StringBounder stringBounder) {
		return null;
	}

	@Override
	public double getFullHeightTask(StringBounder stringBounder) {
		final ClockwiseTopRightBottomLeft padding = getStyle().getPadding();
		final ClockwiseTopRightBottomLeft margin = getStyle().getMargin();
		return margin.getTop() + padding.getTop() + getTextHeight(stringBounder) + padding.getBottom()
				+ margin.getBottom();
	}

	private double getTextHeight(StringBounder stringBounder) {
		return getTitle().calculateDimension(stringBounder).getHeight();
	}

	@Override
	public Real getY(StringBounder stringBounder) {
		return y;
	}

	@Override
	public TaskDraw getTrueRow() {
		return null;
	}

	@Override
	public void setColorsAndCompletion(CenterBorderColor colors, int completion, Url url, Display note) {
	}

	@Override
	public Task getTask() {
		throw new UnsupportedOperationException();
	}

	@Override
	public double getY(StringBounder stringBounder, Direction direction) {
		throw new UnsupportedOperationException();
	}

	@Override
	public double getHeightMax(StringBounder stringBounder) {
		return getFullHeightTask(stringBounder);
	}

	@Override
	public double getX1(TaskAttribute taskAttribute) {
		throw new UnsupportedOperationException();
	}

	@Override
	public double getX2(TaskAttribute taskAttribute) {
		throw new UnsupportedOperationException();
	}

}