[jira] [Created] (FOP-2355) Issues with stacking of diacritics while trying to render PDFs in Thai language

["Sougata Bhattacharya (JIRA)" <ji...@apache.org>]

Sougata Bhattacharya created FOP-2355:
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             Summary: Issues with stacking of diacritics while trying to render PDFs in Thai language
                 Key: FOP-2355
                 URL: https://issues.apache.org/jira/browse/FOP-2355
             Project: Fop
          Issue Type: Bug
          Components: fonts, pdf
    Affects Versions: 1.1, trunk
         Environment: Win 7, JDK1.6
            Reporter: Sougata Bhattacharya


Let us take 3 examples, where the first two are rendering ok in the PDF, whereas the 3rd is not.

1. ยี = ย + ี (consonant + vowel)

2. ยี่ = ย + ี + ่ (consonant + vowel + diacritic)

3. ย่ = ย + ่ (consonant + diacritic)

The third complex alphabet is showing ok when you see it in notepad/MSWord/webpage, etc. but in the PDF, it renders with a vertical space in between the diacritic and the consonant, as if a vowel is missing.

Though this does not alter the meaning of the script, it looks unprofessional. 

Similar details on what exactly I am facing can be found in the 2nd example of the link: http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&item_id=CmplxRndExamples

Fonts used: PSL096pro.ttf, PSL095pro.ttf, PSL094pro.ttf, PSL053pro.ttf, PSL052pro.ttf, PSL051pro.ttf, PSL050pro.ttf, etc..



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