mirror of https://github.com/octoleo/plantuml.git
110 lines
3.5 KiB
Java
110 lines
3.5 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.creole.atom;
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import java.awt.Color;
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import java.awt.image.BufferedImage;
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import net.sourceforge.plantuml.awt.geom.XDimension2D;
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import net.sourceforge.plantuml.graphic.StringBounder;
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import net.sourceforge.plantuml.math.ScientificEquationSafe;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.UImage;
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import net.sourceforge.plantuml.ugraphic.UImageSvg;
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import net.sourceforge.plantuml.ugraphic.color.ColorMapper;
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import net.sourceforge.plantuml.ugraphic.color.HColor;
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import net.sourceforge.plantuml.ugraphic.color.HColorSimple;
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public class AtomMath extends AbstractAtom implements Atom {
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// ::remove file when WASM
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private final ScientificEquationSafe math;
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private final HColor foreground;
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private final HColor background;
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public AtomMath(ScientificEquationSafe math, HColor foreground, HColor background) {
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this.math = math;
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this.foreground = foreground;
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this.background = background;
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}
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private XDimension2D calculateDimensionSlow(StringBounder stringBounder) {
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final BufferedImage image = math.getImage(Color.BLACK, Color.WHITE).withScale(1).getImage();
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return new XDimension2D(image.getWidth(), image.getHeight());
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}
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private XDimension2D dim;
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public XDimension2D calculateDimension(StringBounder stringBounder) {
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if (dim == null) {
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dim = calculateDimensionSlow(stringBounder);
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}
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return dim;
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}
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public double getStartingAltitude(StringBounder stringBounder) {
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return 0;
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}
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public void drawU(UGraphic ug) {
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final ColorMapper colorMapper = ug.getColorMapper();
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final boolean isSvg = ug.matchesProperty("SVG");
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final Color back;
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if (background == null)
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back = null;
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else
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back = getColor(colorMapper, background, Color.WHITE);
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final Color fore = getColor(colorMapper, foreground, Color.BLACK);
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// final double dpiFactor = ug.dpiFactor();
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if (isSvg) {
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final UImageSvg svg = math.getSvg(1, fore, back);
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ug.draw(svg);
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} else {
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final UImage image = new UImage(math.getImage(fore, back)).withFormula(math.getFormula());
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ug.draw(image);
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}
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}
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private Color getColor(ColorMapper colorMapper, HColor color, Color defaultValue) {
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if (color instanceof HColorSimple)
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return color.toColor(colorMapper);
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return defaultValue;
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}
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}
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