mirror of https://github.com/octoleo/plantuml.git
109 lines
3.6 KiB
Java
109 lines
3.6 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2020, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.sequencediagram;
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import net.sourceforge.plantuml.ColorParam;
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import net.sourceforge.plantuml.FontParam;
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import net.sourceforge.plantuml.ISkinParam;
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import net.sourceforge.plantuml.activitydiagram3.ftile.Arrows;
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import net.sourceforge.plantuml.activitydiagram3.ftile.Snake;
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import net.sourceforge.plantuml.cucadiagram.Display;
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import net.sourceforge.plantuml.graphic.FontConfiguration;
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import net.sourceforge.plantuml.graphic.HorizontalAlignment;
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import net.sourceforge.plantuml.graphic.Rainbow;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.sequencediagram.teoz.YPositionedTile;
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import net.sourceforge.plantuml.skin.rose.Rose;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.color.HColor;
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public class LinkAnchor {
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private final String anchor1;
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private final String anchor2;
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private final String message;
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public LinkAnchor(String anchor1, String anchor2, String message) {
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this.anchor1 = anchor1;
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this.anchor2 = anchor2;
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this.message = message;
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}
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@Override
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public String toString() {
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return anchor1 + "<->" + anchor2 + " " + message;
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}
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public final String getAnchor1() {
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return anchor1;
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}
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public final String getAnchor2() {
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return anchor2;
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}
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public final String getMessage() {
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return message;
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}
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public void drawAnchor(UGraphic ug, YPositionedTile tile1, YPositionedTile tile2, ISkinParam param) {
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final StringBounder stringBounder = ug.getStringBounder();
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final double y1 = tile1.getY(stringBounder);
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final double y2 = tile2.getY(stringBounder);
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final double xx1 = tile1.getMiddleX(stringBounder);
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final double xx2 = tile2.getMiddleX(stringBounder);
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final double x = (xx1 + xx2) / 2;
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final double ymin = Math.min(y1, y2);
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final double ymax = Math.max(y1, y2);
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final HColor color = new Rose().getHtmlColor(param, ColorParam.arrow);
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final Rainbow rainbow = Rainbow.fromColor(color, null);
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final Snake snake = new Snake(Arrows.asToUp(), HorizontalAlignment.CENTER, rainbow, Arrows.asToDown());
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final Display display = Display.getWithNewlines(message);
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final TextBlock title = display.create(new FontConfiguration(param, FontParam.ARROW, null),
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HorizontalAlignment.CENTER, param);
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snake.setLabel(title);
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snake.addPoint(x, ymin + 2);
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snake.addPoint(x, ymax - 2);
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snake.drawInternal(ug);
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}
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}
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