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88 lines
3.0 KiB
Java
88 lines
3.0 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 2009-2024, Arnaud Roques
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*
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* Project Info: https://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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* https://plantuml.com/patreon (only 1$ per month!)
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* https://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.klimt.shape;
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import java.util.Objects;
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import net.sourceforge.plantuml.klimt.UTranslate;
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import net.sourceforge.plantuml.klimt.color.HColor;
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import net.sourceforge.plantuml.klimt.drawing.UGraphic;
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import net.sourceforge.plantuml.klimt.font.FontConfiguration;
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import net.sourceforge.plantuml.klimt.font.StringBounder;
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import net.sourceforge.plantuml.klimt.geom.XDimension2D;
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import net.sourceforge.plantuml.klimt.geom.XPoint2D;
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import net.sourceforge.plantuml.svek.GuideLine;
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public class TextBlockArrow2 extends AbstractTextBlock implements TextBlock {
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private final double size;
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private final GuideLine angle;
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private final HColor color;
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public TextBlockArrow2(GuideLine angle, FontConfiguration fontConfiguration) {
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this.angle = Objects.requireNonNull(angle);
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this.size = fontConfiguration.getFont().getSize2D();
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this.color = fontConfiguration.getColor();
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}
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public void drawU(UGraphic ug) {
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// final double triSize = size * .80;
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final int triSize = (int) (size * .80);
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ug = ug.apply(color);
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ug = ug.apply(color.bg());
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ug = ug.apply(new UTranslate(triSize / 2, size / 2));
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final UPolygon triangle = new UPolygon();
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final double beta = Math.PI * 4 / 5;
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triangle.addPoint(getPoint(triSize / 2, angle.getArrowDirection2()));
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triangle.addPoint(getPoint(triSize / 2, angle.getArrowDirection2() + beta));
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triangle.addPoint(getPoint(triSize / 2, angle.getArrowDirection2() - beta));
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triangle.addPoint(getPoint(triSize / 2, angle.getArrowDirection2()));
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ug.draw(triangle);
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}
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private XPoint2D getPoint(double len, double alpha) {
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final double dx = len * Math.sin(alpha);
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final double dy = len * Math.cos(alpha);
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return new XPoint2D(dx, dy);
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}
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public XDimension2D calculateDimension(StringBounder stringBounder) {
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return new XDimension2D(size, size);
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}
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} |