mirror of https://github.com/octoleo/plantuml.git
131 lines
4.6 KiB
Java
131 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.math;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import net.sourceforge.plantuml.awt.geom.Dimension2D;
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import java.io.CharArrayWriter;
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import java.io.IOException;
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import java.io.Writer;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import javax.swing.Icon;
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import net.sourceforge.plantuml.log.Logger;
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import org.w3c.dom.DOMImplementation;
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import org.w3c.dom.Document;
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import net.sourceforge.plantuml.Dimension2DDouble;
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public class ConverterSvg {
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private final Icon icon;
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public ConverterSvg(Icon icon) {
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this.icon = icon;
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}
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static {
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try {
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// DefaultTeXFont.registerAlphabet(new CyrillicRegistration());
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// DefaultTeXFont.registerAlphabet(new GreekRegistration());
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final Class<?> clDefaultTeXFont = Class.forName("org.scilab.forge.jlatexmath.DefaultTeXFont");
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final Class<?> clAlphabetRegistration = Class.forName("org.scilab.forge.jlatexmath.AlphabetRegistration");
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final Method registerAlphabet = clDefaultTeXFont.getMethod("registerAlphabet", clAlphabetRegistration);
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registerAlphabet.invoke(null,
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Class.forName("org.scilab.forge.jlatexmath.cyrillic.CyrillicRegistration").newInstance());
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registerAlphabet.invoke(null,
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Class.forName("org.scilab.forge.jlatexmath.greek.GreekRegistration").newInstance());
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} catch (Exception e) {
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Logger.error(e);
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}
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}
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private Dimension dimension;
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public String getSvg(double scale, boolean fontAsShapes, Color backgroundColor)
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throws ClassNotFoundException, IllegalAccessException, IllegalArgumentException, InvocationTargetException,
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NoSuchMethodException, SecurityException, InstantiationException, IOException {
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// DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
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final Class<?> clGenericDOMImplementation = Class.forName("org.apache.batik.dom.GenericDOMImplementation");
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final DOMImplementation domImpl = (DOMImplementation) clGenericDOMImplementation
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.getMethod("getDOMImplementation").invoke(null);
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final String svgNS = "http://www.w3.org/2000/svg";
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final Document document = domImpl.createDocument(svgNS, "svg", null);
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// SVGGeneratorContext ctx = SVGGeneratorContext.createDefault(document);
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final Class<?> clSVGGeneratorContext = Class.forName("org.apache.batik.svggen.SVGGeneratorContext");
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final Object ctx = clSVGGeneratorContext.getMethod("createDefault", Document.class).invoke(null, document);
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// SVGGraphics2D g2 = new SVGGraphics2D(ctx, fontAsShapes);
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final Class<?> clSVGGraphics2D = Class.forName("org.apache.batik.svggen.SVGGraphics2D");
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final Graphics g2 = (Graphics) clSVGGraphics2D.getConstructor(clSVGGeneratorContext, boolean.class)
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.newInstance(ctx, fontAsShapes);
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dimension = new Dimension(icon.getIconWidth(), icon.getIconHeight());
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// g2.setSVGCanvasSize(dimension);
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g2.getClass().getMethod("setSVGCanvasSize", Dimension.class).invoke(g2, dimension);
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if (backgroundColor != null) {
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g2.setColor(backgroundColor);
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g2.fillRect(0, 0, icon.getIconWidth(), icon.getIconHeight());
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}
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icon.paintIcon(null, g2, 0, 0);
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final Writer out = new CharArrayWriter();
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final boolean useCSS = true;
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// g2.stream(out, useCSS);
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g2.getClass().getMethod("stream", Writer.class, boolean.class).invoke(g2, out, useCSS);
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out.flush();
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out.close();
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return out.toString();
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}
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public Dimension2D getDimension() {
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return Dimension2DDouble.fromDimension(dimension);
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}
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}
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