mirror of https://github.com/octoleo/plantuml.git
110 lines
4.4 KiB
Java
110 lines
4.4 KiB
Java
/* ========================================================================
|
|
* 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.ugraphic;
|
|
|
|
import java.awt.Graphics2D;
|
|
import java.awt.geom.Dimension2D;
|
|
import java.awt.image.BufferedImage;
|
|
import java.io.IOException;
|
|
import java.io.OutputStream;
|
|
|
|
import net.sourceforge.plantuml.EmptyImageBuilder;
|
|
import net.sourceforge.plantuml.FileFormat;
|
|
import net.sourceforge.plantuml.FileFormatOption;
|
|
import net.sourceforge.plantuml.eps.EpsStrategy;
|
|
import net.sourceforge.plantuml.graphic.TextBlock;
|
|
import net.sourceforge.plantuml.png.PngIO;
|
|
import net.sourceforge.plantuml.ugraphic.color.ColorMapper;
|
|
import net.sourceforge.plantuml.ugraphic.color.HColor;
|
|
import net.sourceforge.plantuml.ugraphic.eps.UGraphicEps;
|
|
import net.sourceforge.plantuml.ugraphic.g2d.UGraphicG2d;
|
|
import net.sourceforge.plantuml.ugraphic.svg.UGraphicSvg;
|
|
|
|
public abstract class UGraphicUtils {
|
|
|
|
public static void writeImage(OutputStream os, String metadata, FileFormatOption fileFormatOption, long seed,
|
|
ColorMapper colorMapper, HColor background, TextBlock image) throws IOException {
|
|
final FileFormat fileFormat = fileFormatOption.getFileFormat();
|
|
if (fileFormat == FileFormat.PNG) {
|
|
final BufferedImage im = createImage(fileFormatOption.getWatermark(), colorMapper, background, image);
|
|
PngIO.write(im, os, fileFormatOption.isWithMetadata() ? metadata : null, 96);
|
|
} else if (fileFormat == FileFormat.SVG) {
|
|
final Dimension2D size = computeSize(colorMapper, background, image);
|
|
final UGraphicSvg svg = new UGraphicSvg(true, size, colorMapper,
|
|
colorMapper.toHtml(background), false, 1.0, fileFormatOption.getSvgLinkTarget(),
|
|
fileFormatOption.getHoverColor(), seed, fileFormatOption.getPreserveAspectRatio());
|
|
image.drawU(svg);
|
|
svg.createXml(os, fileFormatOption.isWithMetadata() ? metadata : null);
|
|
} else if (fileFormat == FileFormat.EPS) {
|
|
final UGraphicEps ug = new UGraphicEps(colorMapper, EpsStrategy.getDefault2());
|
|
image.drawU(ug);
|
|
os.write(ug.getEPSCode().getBytes());
|
|
} else if (fileFormat == FileFormat.EPS_TEXT) {
|
|
final UGraphicEps ug = new UGraphicEps(colorMapper, EpsStrategy.WITH_MACRO_AND_TEXT);
|
|
image.drawU(ug);
|
|
os.write(ug.getEPSCode().getBytes());
|
|
} else {
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
}
|
|
|
|
private static BufferedImage createImage(String watermark, ColorMapper colorMapper, HColor background,
|
|
TextBlock image) {
|
|
final Dimension2D size = computeSize(colorMapper, background, image);
|
|
|
|
final EmptyImageBuilder builder = new EmptyImageBuilder(watermark, size.getWidth(), size.getHeight(),
|
|
colorMapper.toColor(background));
|
|
final BufferedImage im = builder.getBufferedImage();
|
|
final Graphics2D g2d = builder.getGraphics2D();
|
|
|
|
final UGraphicG2d ug = new UGraphicG2d(colorMapper, g2d, 1.0);
|
|
image.drawU(ug);
|
|
g2d.dispose();
|
|
return im;
|
|
}
|
|
|
|
private static Dimension2D computeSize(ColorMapper colorMapper, HColor background, TextBlock image) {
|
|
final EmptyImageBuilder builder = new EmptyImageBuilder(null, 10, 10, colorMapper.toColor(background));
|
|
final Graphics2D g2d = builder.getGraphics2D();
|
|
|
|
final UGraphicG2d tmp = new UGraphicG2d(colorMapper, g2d, 1.0);
|
|
final Dimension2D size = image.calculateDimension(tmp.getStringBounder());
|
|
g2d.dispose();
|
|
return size;
|
|
}
|
|
|
|
}
|