--- /dev/null
+package org.argeo.app.swt.osgi;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.apache.batik.transcoder.TranscoderException;
+import org.apache.batik.transcoder.TranscoderInput;
+import org.apache.batik.transcoder.TranscoderOutput;
+import org.apache.batik.transcoder.image.ImageTranscoder;
+import org.apache.batik.transcoder.image.PNGTranscoder;
+
+public class SvgToPng {
+
+ public void convertSvgDir(Path sourceDir, Path targetDir, int width) {
+ System.out.println("##\n## " + width + "px - " + sourceDir + "\n##");
+ try {
+ if (targetDir == null)
+ targetDir = sourceDir.getParent().resolve(Integer.toString(width));
+ Files.createDirectories(targetDir);
+
+ PNGTranscoder transcoder = new PNGTranscoder();
+ // transcoder.addTranscodingHint(ImageTranscoder.KEY_BACKGROUND_COLOR,
+ // Color.WHITE);
+ transcoder.addTranscodingHint(PNGTranscoder.KEY_WIDTH, (float) width);
+ transcoder.addTranscodingHint(PNGTranscoder.KEY_HEIGHT, (float) width);
+
+ for (Path source : Files.newDirectoryStream(sourceDir, "*.svg")) {
+ // FIXME extract base name
+ String baseName = null; // = FilenameUtils.getBaseName(source.toString());
+ Path target = targetDir.resolve(baseName + ".png");
+ convertSvgFile(transcoder, source, target);
+ }
+ } catch (IOException | TranscoderException e) {
+ throw new IllegalStateException("Cannot convert from " + sourceDir + " to " + targetDir, e);
+ }
+
+ }
+
+ protected void convertSvgFile(ImageTranscoder transcoder, Path source, Path target)
+ throws IOException, TranscoderException {
+ try (Reader reader = Files.newBufferedReader(source); OutputStream out = Files.newOutputStream(target);) {
+ TranscoderInput input = new TranscoderInput(reader);
+// BufferedImage image = transcoder.createImage(32, 32);
+ TranscoderOutput output = new TranscoderOutput(out);
+ transcoder.transcode(input, output);
+ System.out.println(source.getFileName() + " -> " + target);
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+
+ Path path = Paths.get(args[0]);
+
+ SvgToPng svgToPng = new SvgToPng();
+ svgToPng.convertSvgDir(path, null, 16);
+ svgToPng.convertSvgDir(path, null, 32);
+ svgToPng.convertSvgDir(path, null, 64);
+ svgToPng.convertSvgDir(path, null, 96);
+ }
+}