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https://issues.apache.org/jira/browse/BATIK-1053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14092846#comment-14092846
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Ramesh Balasubaramaniam commented on BATIK-1053:
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is this issue occurs only in Unix/Linux ? Windows it is working fine ?. I am
facing same issue for Chinese characters. works fine in Windows but Linux give
[][][] characters.
> Text rendering of some Persian characters has issues when converting SVG to
> PNG
> -------------------------------------------------------------------------------
>
> Key: BATIK-1053
> URL: https://issues.apache.org/jira/browse/BATIK-1053
> Project: Batik
> Issue Type: Bug
> Components: SVG Rasterizer
> Affects Versions: 1.7
> Environment: OS: Ubuntu Linux 12.04 (3.2.0-44-generic #69-Ubuntu SMP
> Thu May 16 17:35:01 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux)
> Java: java version "1.7.0_21"
> OpenJDK Runtime Environment (IcedTea 2.3.9) (7u21-2.3.9-0ubuntu0.12.04.1)
> Reporter: Mostafa Mahdieh
> Attachments: BatikPersianTest.zip, sample.png
>
>
> I am using Activiti Explorer 5.12.1, which uses batik transcoder 1.7 as a
> library. When exporting bpmn models to png using Activiti Explorer, the
> output has issues on characters "ی", "ک", "پ" and "گ". Note that theses
> characters are part of the Persian character set of utf-8, and other
> characters which are in the common set of Arabic and Persian character sets,
> don't seem to have any problems.
> I have attached a sample of one of my tests. The text in the box should read
> "ما کب گپ جیب جوب پا"
> which is incorrectly shown as
> "ما کب گپ جیب جوب پا"
> I traced the problem in Activiti Explorer code to this small code snippet:
> =======================
> InputStream svgStream = new
> ByteArrayInputStream(modelForm.getFirstValue("svg_xml").getBytes("utf-8"));
> TranscoderInput input = new TranscoderInput(svgStream);
>
> PNGTranscoder transcoder = new PNGTranscoder();
> // Setup output
> ByteArrayOutputStream outStream = new ByteArrayOutputStream();
> TranscoderOutput output = new TranscoderOutput(outStream);
>
> // Do the transformation
> transcoder.transcode(input, output);
> final byte[] result = outStream.toByteArray();
> =======================
> It seems that the issues are coming from the PNGTranscoder not being able to
> render persian text correctly. PNGTranscoder is part of Apache Batik
> (org.apache.batik.transcoder.image.PNGTranscoder).
> I have also created a very small eclipse project which does the same thing,
> independent of any Activiti Explorer code, which helps a lot to debug the
> problem. The project is attached.
> More details:
> OS: Ubuntu Linux 12.04 (3.2.0-44-generic #69-Ubuntu SMP Thu May 16 17:35:01
> UTC 2013 x86_64 x86_64 x86_64 GNU/Linux)
> Java: java version "1.7.0_21"
> OpenJDK Runtime Environment (IcedTea 2.3.9) (7u21-2.3.9-0ubuntu0.12.04.1)
> Batik version used by Activiti Explorer (found in the MANIFEST.MF of the jar
> file included): 1.7+r608262
> Regards
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