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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.math;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.geom.Dimension2D;
import java.io.CharArrayWriter;
import java.io.IOException;
import java.io.Writer;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.swing.Icon;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;
public class ConverterSvg {
private final Icon icon;
public ConverterSvg(Icon icon) {
this.icon = icon;
}
static {
try {
// DefaultTeXFont.registerAlphabet(new CyrillicRegistration());
// DefaultTeXFont.registerAlphabet(new GreekRegistration());
final Class<?> clDefaultTeXFont = Class.forName("org.scilab.forge.jlatexmath.DefaultTeXFont");
final Class<?> clAlphabetRegistration = Class.forName("org.scilab.forge.jlatexmath.AlphabetRegistration");
final Method registerAlphabet = clDefaultTeXFont.getMethod("registerAlphabet", clAlphabetRegistration);
registerAlphabet.invoke(null, Class.forName("org.scilab.forge.jlatexmath.cyrillic.CyrillicRegistration")
.newInstance());
registerAlphabet.invoke(null, Class.forName("org.scilab.forge.jlatexmath.greek.GreekRegistration")
.newInstance());
} catch (Exception e) {
e.printStackTrace();
}
}
private Dimension dimension;
public String getSvg(double scale, boolean fontAsShapes, Color backgroundColor) throws ClassNotFoundException,
IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException,
SecurityException, InstantiationException, IOException {
// DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
final Class<?> clGenericDOMImplementation = Class.forName("org.apache.batik.dom.GenericDOMImplementation");
final DOMImplementation domImpl = (DOMImplementation) clGenericDOMImplementation.getMethod(
"getDOMImplementation").invoke(null);
final String svgNS = "http://www.w3.org/2000/svg";
final Document document = domImpl.createDocument(svgNS, "svg", null);
// SVGGeneratorContext ctx = SVGGeneratorContext.createDefault(document);
final Class<?> clSVGGeneratorContext = Class.forName("org.apache.batik.svggen.SVGGeneratorContext");
final Object ctx = clSVGGeneratorContext.getMethod("createDefault", Document.class).invoke(null, document);
// SVGGraphics2D g2 = new SVGGraphics2D(ctx, fontAsShapes);
final Class<?> clSVGGraphics2D = Class.forName("org.apache.batik.svggen.SVGGraphics2D");
final Graphics g2 = (Graphics) clSVGGraphics2D.getConstructor(clSVGGeneratorContext, boolean.class)
.newInstance(ctx, fontAsShapes);
dimension = new Dimension(icon.getIconWidth(), icon.getIconHeight());
// g2.setSVGCanvasSize(dimension);
g2.getClass().getMethod("setSVGCanvasSize", Dimension.class).invoke(g2, dimension);
if (backgroundColor != null) {
g2.setColor(backgroundColor);
g2.fillRect(0, 0, icon.getIconWidth(), icon.getIconHeight());
}
icon.paintIcon(null, g2, 0, 0);
final Writer out = new CharArrayWriter();
final boolean useCSS = true;
// g2.stream(out, useCSS);
g2.getClass().getMethod("stream", Writer.class, boolean.class).invoke(g2, out, useCSS);
out.flush();
out.close();
return out.toString();
}
public Dimension2D getDimension() {
return dimension;
}
}
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