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https://issues.apache.org/jira/browse/PDFBOX-3147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15039709#comment-15039709
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Nattapong Sirilappanich commented on PDFBOX-3147:
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The leftmost oval in compareresult.jpg issue seem to be better in your file
(example.pdf)
The remain issue of that text in oval is the above combining character should
be render a little bit lower. I think there's a glyph in font or some offset
define in GPOS or GSUB for this case.
The other red green oval in compareresult.jpg issue seem to be found in your
file as well.
> PDFBox fail to write Thai character properly
> --------------------------------------------
>
> Key: PDFBOX-3147
> URL: https://issues.apache.org/jira/browse/PDFBOX-3147
> Project: PDFBox
> Issue Type: Bug
> Components: Writing
> Affects Versions: 2.0.0
> Environment: Windows 7 x86-64.
> JRE 8 build 1.8.0_66-b17
> Reporter: Nattapong Sirilappanich
> Attachments: ArialUnicode.pdf, ThaiText.txt, compareresult.jpg,
> example.pdf
>
>
> {code}
> try {
> // Create a document and add a page to it
> PDDocument document = new PDDocument();
> PDPage page = new PDPage();
> document.addPage( page );
> // Create a new font object by loading a TrueType font
> into the document
> PDFont font = PDType0Font.load(document, new
> File("ARIALUNI.TTF"));
> // Start a new content stream which will "hold" the to
> be created content
> PDPageContentStream contentStream = new
> PDPageContentStream(document, page);
> // Define a text content stream using the selected
> font, moving the cursor and drawing the text "Hello World"
> contentStream.beginText();
> contentStream.setFont( font, 12 );
> contentStream.newLineAtOffset( 100, 700 );
> contentStream.showText( "กูกินก้งปิ้งอยู่ในถ้ำ" );
> contentStream.endText();
> // Make sure that the content stream is closed:
> contentStream.close();
> // Save the results and ensure that the document is
> properly closed:
> document.save( "ArialUnicode.pdf");
> document.close();
> } catch (IOException e) {
> e.printStackTrace();
> }
> {code}
> The code above is modified from sample code provided via PDFBox example.
> I tried to use Arial Unicode font which is shipped as part of Windows 7.
> The generated PDF missing some glyph and render some other gibberish glyph.
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