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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.svek.image;

import net.sourceforge.plantuml.abel.Entity;
import net.sourceforge.plantuml.abel.EntityPosition;
import net.sourceforge.plantuml.klimt.Shadowable;
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.HColor;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.FontParam;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
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;
import net.sourceforge.plantuml.svek.Bibliotekon;
import net.sourceforge.plantuml.svek.Cluster;
import net.sourceforge.plantuml.svek.ShapeType;
import net.sourceforge.plantuml.svek.SvekNode;

public class EntityImagePort extends AbstractEntityImageBorder {

	private final SName sname;

	public EntityImagePort(Entity leaf, ISkinParam skinParam, Cluster parent, Bibliotekon bibliotekon, SName sname) {
		super(leaf, skinParam, parent, bibliotekon, FontParam.BOUNDARY);
		this.sname = sname;
	}

	@Override
	protected StyleSignatureBasic getSignature() {
		return StyleSignatureBasic.of(SName.root, SName.element, sname, SName.port);
	}

	private boolean upPosition() {
		final XPoint2D clusterCenter = parent.getRectangleArea().getPointCenter();
		final SvekNode node = bibliotekon.getNode(getEntity());
		return node.getMinY() < clusterCenter.getY();
	}

	public XDimension2D calculateDimension(StringBounder stringBounder) {
		double sp = EntityPosition.RADIUS * 2;
		return new XDimension2D(sp, sp);
	}

	public double getMaxWidthFromLabelForEntryExit(StringBounder stringBounder) {
		final TextBlock desc = getDesc();
		final XDimension2D dimDesc = desc.calculateDimension(stringBounder);
		return dimDesc.getWidth();
	}

	private void drawSymbol(UGraphic ug) {
		final Shadowable rect = URectangle.build(EntityPosition.RADIUS * 2, EntityPosition.RADIUS * 2);
		ug.draw(rect);
	}

	final public void drawU(UGraphic ug) {
		final TextBlock desc = getDesc();
		double y = 0;
		final XDimension2D dimDesc = desc.calculateDimension(ug.getStringBounder());
		final double x = 0 - (dimDesc.getWidth() - 2 * EntityPosition.RADIUS) / 2;

		if (upPosition())
			y -= 2 * EntityPosition.RADIUS + dimDesc.getHeight();
		else
			y += 2 * EntityPosition.RADIUS;

		desc.drawU(ug.apply(new UTranslate(x, y)));

		final Style style = getStyle();

		HColor backcolor = getEntity().getColors().getColor(ColorType.BACK);
		HColor borderColor = getEntity().getColors().getColor(ColorType.LINE);

		if (borderColor == null)
			borderColor = style.value(PName.LineColor).asColor(getSkinParam().getIHtmlColorSet());

		if (backcolor == null)
			backcolor = style.value(PName.BackGroundColor).asColor(getSkinParam().getIHtmlColorSet());

		ug = ug.apply(borderColor);
		ug = ug.apply(getUStroke()).apply(backcolor.bg());

		drawSymbol(ug);
	}

	private UStroke getUStroke() {
		return UStroke.withThickness(1.5);
	}

	public ShapeType getShapeType() {
		return ShapeType.RECTANGLE_PORT;
	}
}