vtm/vtm-desktop/src/org/oscim/awt/AwtSvgBitmap.java
2018-10-11 14:08:35 +03:00

69 lines
2.9 KiB
Java

/*
* Copyright 2015-2018 devemux86
*
* This program is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* This program is 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.awt;
import com.kitfox.svg.SVGCache;
import com.kitfox.svg.SVGDiagram;
import com.kitfox.svg.app.beans.SVGIcon;
import org.oscim.backend.CanvasAdapter;
import org.oscim.utils.GraphicUtils;
import java.awt.Dimension;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
public class AwtSvgBitmap extends AwtBitmap {
/**
* Default size is 20x20px (400px) at 160dpi.
*/
public static float DEFAULT_SIZE = 400f;
public static BufferedImage getResourceBitmap(InputStream inputStream, float scaleFactor, float defaultSize, int width, int height, int percent) throws IOException {
try {
URI uri = SVGCache.getSVGUniverse().loadSVG(inputStream, Integer.toString(inputStream.hashCode()));
SVGDiagram diagram = SVGCache.getSVGUniverse().getDiagram(uri);
double scale = scaleFactor / Math.sqrt((diagram.getHeight() * diagram.getWidth()) / defaultSize);
float[] bmpSize = GraphicUtils.imageSize(diagram.getWidth(), diagram.getHeight(), (float) scale, width, height, percent);
SVGIcon icon = new SVGIcon();
icon.setAntiAlias(true);
icon.setAutosize(SVGIcon.AUTOSIZE_STRETCH);
icon.setPreferredSize(new Dimension((int) bmpSize[0], (int) bmpSize[1]));
icon.setSvgURI(uri);
BufferedImage bufferedImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
icon.paintIcon(null, bufferedImage.createGraphics(), 0, 0);
return bufferedImage;
} catch (Exception e) {
throw new IOException(e);
}
}
private static BufferedImage getResourceBitmapImpl(InputStream inputStream, int width, int height, int percent) throws IOException {
synchronized (SVGCache.getSVGUniverse()) {
return getResourceBitmap(inputStream, CanvasAdapter.getScale(), DEFAULT_SIZE, width, height, percent);
}
}
public AwtSvgBitmap(InputStream inputStream, int width, int height, int percent) throws IOException {
super(getResourceBitmapImpl(inputStream, width, height, percent));
}
}