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Add pdf-invoice module: one invoice in OpenPDF 3.0.5, iText Core 9.8.0 and Flying Saucer 10.7.0, Devanagari shaping checked by rendering, streamed vs buffered download, subset sizes and timings

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Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_017ic4b6Kg9RWSTJzyz6KP9X
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asmhatre
2026-10-30 16:46:25 +00:00
co-authored by Claude Sonnet 5.5
parent 9b1da079c6
commit 3a30194459
54 changed files with 1906 additions and 0 deletions
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pdf-invoice/output/03-pdffonts-and-producer.txt
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# pdffonts per engine (poppler): name, type, embedded, subset
--- openpdf (20039 bytes)
name type encoding emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
QVECCU+NotoSansDevanagari-Bold CID TrueType Identity-H yes yes yes 1 0
LWDRDP+NotoSansDevanagari-Regular CID TrueType Identity-H yes yes yes 2 0
--- itext (23344 bytes)
name type encoding emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
BYDHEU+NotoSansDevanagari-Bold CID TrueType Identity-H yes yes yes 6 0
EUBWBF+NotoSansDevanagari-Regular CID TrueType Identity-H yes yes yes 7 0
--- flyingsaucer (20011 bytes)
name type encoding emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
AKIOED+NotoSansDevanagari-Bold CID TrueType Identity-H yes yes yes 2 0
WSTLFR+NotoSansDevanagari-Regular CID TrueType Identity-H yes yes yes 3 0
--- openpdf-jdk (21553 bytes)
name type encoding emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
SJCTQQ+NotoSansDevanagari-Bold CID TrueType Identity-H yes yes yes 1 0
SDAHWP+NotoSansDevanagari-Regular CID TrueType Identity-H yes yes yes 2 0
--- openpdf-jdk-actualtext (22285 bytes)
name type encoding emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
VNADNX+NotoSansDevanagari-Bold CID TrueType Identity-H yes yes yes 1 0
EAQUGS+NotoSansDevanagari-Regular CID TrueType Identity-H yes yes yes 2 0
--- flyingsaucer-shaped (21536 bytes)
name type encoding emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
RTHNRU+NotoSansDevanagari-Bold CID TrueType Identity-H yes yes yes 2 0
STZJGA+NotoSansDevanagari-Regular CID TrueType Identity-H yes yes yes 3 0
# Producer/Creator lines the libraries write into the PDF (pdfinfo)
--- openpdf
Title: Invoice INV-2026-0042
Producer: OpenPDF 3.0.5
--- itext
Title: Invoice INV-2026-0042
Producer: iText® Core 9.8.0 (AGPL version) ©2000-2026 Apryse Group NV
--- flyingsaucer
Title: Invoice INV-2026-0042
Creator: Flying Saucer 10.7.0 with OpenPDF 3.0.5
Producer: Flying Saucer 10.7.0 with OpenPDF 3.0.5