90 lines
3.5 KiB
Java
90 lines
3.5 KiB
Java
/*
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* Copyright 2016 devemux86
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.oscim.awt;
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import com.kitfox.svg.SVGCache;
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import com.kitfox.svg.SVGDiagram;
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import com.kitfox.svg.app.beans.SVGIcon;
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import org.oscim.backend.CanvasAdapter;
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import java.awt.Dimension;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URI;
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public class AwtSvgBitmap extends AwtBitmap {
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/**
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* Default size is 20x20px (400px) at 240dpi.
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*/
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public static float DEFAULT_SIZE = 400f;
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public static BufferedImage getResourceBitmap(InputStream inputStream, float scaleFactor, float defaultSize, int width, int height, int percent) throws IOException {
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try {
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URI uri = SVGCache.getSVGUniverse().loadSVG(inputStream, Integer.toString(inputStream.hashCode()));
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SVGDiagram diagram = SVGCache.getSVGUniverse().getDiagram(uri);
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double scale = scaleFactor / Math.sqrt((diagram.getHeight() * diagram.getWidth()) / defaultSize);
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float bitmapWidth = (float) (diagram.getWidth() * scale);
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float bitmapHeight = (float) (diagram.getHeight() * scale);
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float aspectRatio = diagram.getWidth() / diagram.getHeight();
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if (width != 0 && height != 0) {
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// both width and height set, override any other setting
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bitmapWidth = width;
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bitmapHeight = height;
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} else if (width == 0 && height != 0) {
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// only width set, calculate from aspect ratio
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bitmapWidth = height * aspectRatio;
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bitmapHeight = height;
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} else if (width != 0 && height == 0) {
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// only height set, calculate from aspect ratio
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bitmapHeight = width / aspectRatio;
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bitmapWidth = width;
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}
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if (percent != 100) {
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bitmapWidth *= percent / 100f;
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bitmapHeight *= percent / 100f;
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}
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SVGIcon icon = new SVGIcon();
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icon.setAntiAlias(true);
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icon.setPreferredSize(new Dimension((int) bitmapWidth, (int) bitmapHeight));
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icon.setScaleToFit(true);
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icon.setSvgURI(uri);
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BufferedImage bufferedImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
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icon.paintIcon(null, bufferedImage.createGraphics(), 0, 0);
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return bufferedImage;
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} catch (Exception e) {
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throw new IOException(e);
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}
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}
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private static BufferedImage getResourceBitmapImpl(InputStream inputStream) throws IOException {
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synchronized (SVGCache.getSVGUniverse()) {
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return getResourceBitmap(inputStream, CanvasAdapter.dpi / 240, DEFAULT_SIZE, 0, 0, 100);
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}
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}
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public AwtSvgBitmap(InputStream inputStream) throws IOException {
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super(getResourceBitmapImpl(inputStream));
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}
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}
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