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https://issues.apache.org/jira/browse/PDFBOX-4951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17240037#comment-17240037
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Volker Kunert edited comment on PDFBOX-4951 at 12/2/20, 12:25 PM:
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I would like to add another proposal for glyph positioning: [^pdfbox.patch]
and three examples in
/pdfbox-examples/src/main/java/org/apache/pdfbox/examples/pdmodel
with their output:
* DoGlyphPositionBengali.java [^DoGlyphPositionBengali.pdf]
* DoGlyphPositionDinSpec91379.java [^DoGlyphLayoutDinSpec91379.pdf]
* DoGlyphPositionDinSpec91379Form.java [^DoGlyphLayoutDinSpec91379Form.pdf]
The user interface is {{GlyphPosition.enable();}}
Font loading is hidden from the user. The fonts have to be supplied as font
file, this works also for the form example.
The builtin Java AWT glyph layout is used.
was (Author: [email protected]):
I would like to add another proposal for glyph positioning: [^pdfbox.patch]
and three examples in
/pdfbox-examples/src/main/java/org/apache/pdfbox/examples/pdmodel
with their output:
* DoGlyphPositionBengali.java [^DoGlyphPositionBengali.pdf]
* DoGlyphPositionDinSpec91379.java [^DoGlyphLayoutDinSpec91379.pdf]
* DoGlyphPositionDinSpec91379Form.java [^DoGlyphLayoutDinSpec91379Form.pdf]
The user interface is {{GlyphPosition.enable();}}
Font loading is hidden from the user. The fonts have to be supplied as font
file.
The builtin Java AWT glyph layout is used.
> 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,
> DoGlyphLayoutDinSpec91379.pdf, DoGlyphLayoutDinSpec91379Form.pdf,
> DoGlyphPositionBengali.pdf, ExamplePdfboxFopPos-By-Tilman.pdf,
> ExamplePdfboxFopPos.java, ExamplePdfboxFopPos.pdf,
> ExamplePdfboxFopPosForm.java, ExamplePdfboxFopPosForm.pdf, TestPdfbox.java,
> TestPdfboxFop2.java, TestPdfboxFop2.pdf, TestPdfboxJava2D.java,
> TestPdfboxJava2D.pdf, patch-2020-10-02.txt, pdfbox.patch, 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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