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• 1.2023.12
• source code
• LiveBoxesDrawer.java

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net.sourceforge.plantuml.sequencediagram.teoz.LiveBoxesDrawer 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
 *
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 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License V2.
 *
 * THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
 * LICENSE ("AGREEMENT"). [GNU General Public License V2]
 *
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
 * RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
 *
 * You may obtain a copy of the License at
 *
 * https://www.gnu.org/licenses/old-licenses/gpl-2.0.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 GPL v2 license.
 *
 * The generated images can then be used without any reference to the GPL v2 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.sequencediagram.teoz;

import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;

import net.sourceforge.plantuml.klimt.Fashion;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.sequencediagram.graphic.Segment;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.ColorParam;
import net.sourceforge.plantuml.skin.Component;
import net.sourceforge.plantuml.skin.ComponentType;
import net.sourceforge.plantuml.skin.Context2D;
import net.sourceforge.plantuml.skin.SkinParamBackcolored;
import net.sourceforge.plantuml.skin.rose.Rose;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.Style;

public class LiveBoxesDrawer {

	private double y1;
	private Fashion symbolContext;

	private final Component cross;
	private final Context2D context;
	private final Rose skin;
	private final ISkinParam skinParam;
	private final Component compForWidth;
	private final Collection delays;

	public LiveBoxesDrawer(Context2D context, Rose skin, ISkinParam skinParam, Map delays) {
		this.cross = skin.createComponent(
				new Style[] {
						ComponentType.DESTROY.getStyleSignature().getMergedStyle(skinParam.getCurrentStyleBuilder()) },
				ComponentType.DESTROY, null, skinParam, null);
		this.compForWidth = skin.createComponent(
				new Style[] { ComponentType.ALIVE_BOX_CLOSE_CLOSE.getStyleSignature()
						.getMergedStyle(skinParam.getCurrentStyleBuilder()) },
				ComponentType.ALIVE_BOX_CLOSE_CLOSE, null, skinParam, null);
		this.context = context;
		this.skin = skin;
		this.skinParam = skinParam;
		this.delays = new HashSet<>();
		for (Map.Entry ent : delays.entrySet()) {
			this.delays.add(new Segment(ent.getKey(), ent.getKey() + ent.getValue()));
		}
	}

	public double getWidth(StringBounder stringBounder) {
		return compForWidth.getPreferredWidth(stringBounder);
	}

	public void addStart(double y1, Fashion symbolContext) {
		this.y1 = y1;
		this.symbolContext = symbolContext;
	}

	public void doDrawing(UGraphic ug, double yposition) {
		final Segment full = new Segment(y1, yposition);
		final Collection segments = full.cutSegmentIfNeed(delays);
		ComponentType type = ComponentType.ALIVE_BOX_CLOSE_CLOSE;
		if (segments.size() > 1) {
			type = ComponentType.ALIVE_BOX_CLOSE_OPEN;
		}
		for (Iterator it = segments.iterator(); it.hasNext();) {
			final Segment seg = it.next();
			if (it.hasNext() == false && type != ComponentType.ALIVE_BOX_CLOSE_CLOSE) {
				type = ComponentType.ALIVE_BOX_OPEN_CLOSE;
			}
			drawInternal(ug, seg.getPos1(), seg.getPos2(), type);
			type = ComponentType.ALIVE_BOX_OPEN_OPEN;
		}
		y1 = Double.MAX_VALUE;
	}

	public void drawDestroyIfNeeded(UGraphic ug, Step step) {
		if (step.isDestroy()) {
			final XDimension2D dimCross = cross.getPreferredDimension(ug.getStringBounder());
			cross.drawU(ug.apply(new UTranslate(-dimCross.getWidth() / 2, step.getValue() - dimCross.getHeight() / 2)),
					null, context);
		}
	}

	private void drawInternal(UGraphic ug, double ya, double yb, ComponentType type) {
		final double width = getWidth(ug.getStringBounder());
		final Area area = Area.create(width, yb - ya);
		SkinParamBackcolored skinParam2 = new SkinParamBackcolored(skinParam,
				symbolContext == null ? null : symbolContext.getBackColor());
		Style style = type.getStyleSignature().getMergedStyle(skinParam.getCurrentStyleBuilder());
		if (style == null) {
			if (symbolContext != null)
				skinParam2.forceColor(ColorParam.sequenceLifeLineBorder, symbolContext.getForeColor());
		} else {
			style = style.eventuallyOverride(symbolContext);
		}
		final Component comp = skin.createComponent(new Style[] { style }, type, null, skinParam2, null);
		comp.drawU(ug.apply(new UTranslate(-width / 2, ya)), area, context);
	}

}