mirror of https://github.com/octoleo/plantuml.git
119 lines
3.6 KiB
Java
119 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.math;
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import java.awt.Color;
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import java.io.IOException;
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import java.io.OutputStream;
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import net.sourceforge.plantuml.AbstractPSystem;
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import net.sourceforge.plantuml.FileFormatOption;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.core.DiagramDescription;
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import net.sourceforge.plantuml.core.ImageData;
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import net.sourceforge.plantuml.ugraphic.color.ColorMapperIdentity;
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import net.sourceforge.plantuml.ugraphic.color.HColor;
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import net.sourceforge.plantuml.ugraphic.color.HColorSet;
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public class PSystemMath extends AbstractPSystem {
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private String math = "";
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private float scale = 1;
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private Color color = Color.BLACK;
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private Color backColor = Color.WHITE;
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public PSystemMath() {
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}
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public DiagramDescription getDescription() {
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return new DiagramDescription("(Math)");
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}
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@Override
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final protected ImageData exportDiagramNow(OutputStream os, int num, FileFormatOption fileFormat, long seed)
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throws IOException {
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final ScientificEquationSafe asciiMath = ScientificEquationSafe.fromAsciiMath(math);
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return asciiMath.export(os, fileFormat, scale, color, backColor);
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}
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public void doCommandLine(String line) {
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final String lineLower = StringUtils.trin(StringUtils.goLowerCase(line));
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final String colorParam = "color ";
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final String backParam = "backgroundcolor ";
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if (lineLower.startsWith(colorParam)) {
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final Color col3 = getColor(line.substring(colorParam.length()));
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if (col3 != null) {
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color = col3;
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}
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} else if (lineLower.startsWith(backParam)) {
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final Color col3 = getColor(line.substring(backParam.length()));
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if (col3 != null) {
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backColor = col3;
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}
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} else if (lineLower.startsWith("scale ")) {
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final String value = line.substring("scale ".length());
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try {
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final float scale1 = Float.parseFloat(value);
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if (scale1 > 0) {
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scale = scale1;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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} else if (lineLower.startsWith("dpi ")) {
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final String value = line.substring("dpi ".length());
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try {
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final float dpi1 = Float.parseFloat(value);
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if (dpi1 > 0) {
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scale = dpi1 / 96;
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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} else {
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this.math = line;
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}
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}
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private Color getColor(final String col) {
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final HColor col2 = HColorSet.instance().getColorIfValid(col);
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final Color col3 = new ColorMapperIdentity().toColor(col2);
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return col3;
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}
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}
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