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Posted to dev@pdfbox.apache.org by "Volker Kunert (Jira)" <ji...@apache.org> on 2020/10/03 14:55:00 UTC
[jira] [Updated] (PDFBOX-4951) Sequences with combining letters are
rendered incorrectly
[ https://issues.apache.org/jira/browse/PDFBOX-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Volker Kunert updated PDFBOX-4951:
----------------------------------
Attachment: patch-2020-10-02.txt
ExamplePdfboxFopPosForm.pdf
ExamplePdfboxFopPosForm.java
ExamplePdfboxFopPos.pdf
ExamplePdfboxFopPos.java
DefaultScriptProcessor.java
> Sequences with combining letters are rendered incorrectly
> ---------------------------------------------------------
>
> Key: PDFBOX-4951
> URL: https://issues.apache.org/jira/browse/PDFBOX-4951
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.21
> Reporter: Volker Kunert
> Priority: Major
> Attachments: DIN_SPEC_91379_Sequences-aa.pdf, DIN_SPEC_91379_Sequences-ab.pdf, DIN_SPEC_91379_Sequences-ac.pdf, DIN_SPEC_91379_Sequences.txt, DefaultScriptProcessor.java, ExamplePdfboxFopPos.java, ExamplePdfboxFopPos.pdf, ExamplePdfboxFopPosForm.java, ExamplePdfboxFopPosForm.pdf, TestPdfbox.java, TestPdfboxFop2.java, TestPdfboxFop2.pdf, TestPdfboxJava2D.java, TestPdfboxJava2D.pdf, patch-2020-10-02.txt, pdfbox.pdf, screenshot-1.png
>
>
> Accented Letters composed of Unicode base letter and combining accent are rendered wrong. E.g. with 0041 030B LATIN CAPITAL LETTER A WITH COMBINING DOUBLE ACUTE ACCENT the accent appears at the right hand side of the letter A, not above the letter A.
> The position is wrong for most of the sequences defined in the following spec:
> DIN SPEC 91379: Characters in Unicode for the electronic processing of names and data
> exchange in Europe; with digital attachment
> [https://www.xoev.de/downloads-2316#StringLatin]
> [https://www.din.de/de/wdc-beuth:din21:301228458]
>
> The correct rendering should look like the output of hb-view 2.6.8, see files DIN_SPEC_91379_Sequences*.pdf.
> The output of PDFBox is appended in pdfbox.pdf, which is created by running TestPdfbox.java. The sequences are read from file DIN_SPEC_91379_Sequences.txt.
>
> Font used for testing: NotoSansMono-Regular.ttf, see [https://www.google.com/get/noto/]
> download: [https://noto-website-2.storage.googleapis.com/pkgs/NotoSansMono-hinted.zip]
> See also FOP-2969
>
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