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https://issues.apache.org/jira/browse/BATIK-1064?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
simon steiner resolved BATIK-1064.
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Resolution: Fixed
> a bug that is using PNGTranscoder transfer the svg to png.
> ----------------------------------------------------------
>
> Key: BATIK-1064
> URL: https://issues.apache.org/jira/browse/BATIK-1064
> Project: Batik
> Issue Type: Bug
> Components: SVG Rasterizer
> Affects Versions: 1.7
> Environment: jdk 1.6
> Reporter: keyingbo
> Labels: OutOfMemoryError, PNGTranscoder
> Fix For: trunk
>
> Attachments: 7cd55.svg
>
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> code:
> public static void svgToPng(String svgPath, String pngFile) throws
> Exception {
> File svg = new File(svgPath);
> FileInputStream wmfStream = new FileInputStream(svg);
> ByteArrayOutputStream imageOut = new ByteArrayOutputStream();
> int noOfByteRead = 0;
> while ((noOfByteRead = wmfStream.read()) != -1) {
> imageOut.write(noOfByteRead);
> }
> imageOut.flush();
> imageOut.close();
> wmfStream.close();
> ByteArrayOutputStream jpg = new ByteArrayOutputStream();
> FileOutputStream jpgOut = new FileOutputStream(pngFile);
> byte[] bytes = imageOut.toByteArray();
> PNGTranscoder t = new PNGTranscoder();
> TranscodingHints hints = new TranscodingHints();
> ///hints.put(WMFTranscoder.KEY_INPUT_HEIGHT, 1000);
> //hints.put(WMFTranscoder.KEY_INPUT_WIDTH, 8000);
> //hints.put(WMFTranscoder.KEY_WIDTH, 800);
> // hints.put(WMFTranscoder.KEY_HEIGHT, 600);
> //t.setTranscodingHints(hints);
> TranscoderInput in = new TranscoderInput(new
> ByteArrayInputStream(bytes));
> TranscoderOutput out = new TranscoderOutput(jpg);
> t.transcode(in, out);
> jpgOut.write(jpg.toByteArray());
> jpgOut.flush();
> jpgOut.close();
> imageOut = null;
> jpgOut = null;
> }
> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
> at java.awt.image.DataBufferInt.<init>(DataBufferInt.java:41)
> at
> java.awt.image.SinglePixelPackedSampleModel.createDataBuffer(SinglePixelPackedSampleModel.java:220)
> at java.awt.image.Raster.createWritableRaster(Raster.java:938)
> at
> org.apache.batik.gvt.renderer.StaticRenderer.updateWorkingBuffers(Unknown
> Source)
> at org.apache.batik.gvt.renderer.StaticRenderer.repaint(Unknown Source)
> at org.apache.batik.gvt.renderer.StaticRenderer.repaint(Unknown Source)
> at org.apache.batik.transcoder.image.ImageTranscoder.transcode(Unknown
> Source)
> at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(Unknown
> Source)
> at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(Unknown
> Source)
> at cn.qtone.xxt.tools.Wmf2Png.svgToPng(Wmf2Png.java:149)
> at cn.qtone.xxt.tools.Wmf2Png.convert(Wmf2Png.java:56)
> at cn.qtone.xxt.tools.Wmf2Png.main(Wmf2Png.java:34)
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