mirror of https://github.com/octoleo/plantuml.git
120 lines
4.6 KiB
Java
120 lines
4.6 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 2009-2023, 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.svek;
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import net.sourceforge.plantuml.Dimension2DDouble;
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import net.sourceforge.plantuml.awt.geom.Dimension2D;
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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.graphic.TextBlockEmpty;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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import net.sourceforge.plantuml.utils.MathUtils;
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public class HeaderLayout {
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final private TextBlock name;
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final private TextBlock stereo;
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final private TextBlock generic;
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final private TextBlock circledCharacter;
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public HeaderLayout(TextBlock circledCharacter, TextBlock stereo, TextBlock name, TextBlock generic) {
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this.circledCharacter = protectAgaintNull(circledCharacter);
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this.stereo = protectAgaintNull(stereo);
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this.name = protectAgaintNull(name);
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this.generic = protectAgaintNull(generic);
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}
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private static TextBlock protectAgaintNull(TextBlock block) {
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if (block == null) {
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return new TextBlockEmpty();
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}
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return block;
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}
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public Dimension2D getDimension(StringBounder stringBounder) {
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final Dimension2D nameDim = name.calculateDimension(stringBounder);
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final Dimension2D genericDim = generic.calculateDimension(stringBounder);
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final Dimension2D stereoDim = stereo.calculateDimension(stringBounder);
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final Dimension2D circleDim = circledCharacter.calculateDimension(stringBounder);
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final double width = circleDim.getWidth() + Math.max(stereoDim.getWidth(), nameDim.getWidth())
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+ genericDim.getWidth();
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final double height = MathUtils.max(circleDim.getHeight(), stereoDim.getHeight() + nameDim.getHeight() + 10,
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genericDim.getHeight());
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return new Dimension2DDouble(width, height);
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}
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public void drawU(UGraphic ug, double width, double height) {
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final StringBounder stringBounder = ug.getStringBounder();
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final Dimension2D nameDim = name.calculateDimension(stringBounder);
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final Dimension2D genericDim = generic.calculateDimension(stringBounder);
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final Dimension2D stereoDim = stereo.calculateDimension(stringBounder);
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final Dimension2D circleDim = circledCharacter.calculateDimension(stringBounder);
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final double widthStereoAndName = Math.max(stereoDim.getWidth(), nameDim.getWidth());
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final double suppWith = Math.max(0, width - circleDim.getWidth() - widthStereoAndName - genericDim.getWidth());
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assert suppWith >= 0;
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final double h2 = Math.min(circleDim.getWidth() / 4, suppWith * 0.1);
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final double h1 = (suppWith - h2) / 2;
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assert h1 >= 0;
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assert h2 >= 0;
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final double xCircle = h1;
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final double yCircle = (height - circleDim.getHeight()) / 2;
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circledCharacter.drawU(ug.apply(new UTranslate(xCircle, yCircle)));
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final double diffHeight = height - stereoDim.getHeight() - nameDim.getHeight();
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final double xStereo = circleDim.getWidth() + (widthStereoAndName - stereoDim.getWidth()) / 2 + h1 + h2;
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final double yStereo = diffHeight / 2;
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stereo.drawU(ug.apply(new UTranslate(xStereo, yStereo)));
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final double xName = circleDim.getWidth() + (widthStereoAndName - nameDim.getWidth()) / 2 + h1 + h2;
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final double yName = diffHeight / 2 + stereoDim.getHeight();
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name.drawU(ug.apply(new UTranslate(xName, yName)));
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if (genericDim.getWidth() > 0) {
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final double delta = 4;
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final double xGeneric = width - genericDim.getWidth() + delta;
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final double yGeneric = -delta;
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generic.drawU(ug.apply(new UTranslate(xGeneric, yGeneric)));
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}
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}
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}
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