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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/02-endpoints.txt
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# HTTP: status and headers per engine (curl -D -), then streaming vs buffered, then a failure after rendering
# openjdk version "25.0.5" 2026-10-20 LTS | 2 vCPU | 8027 MB RAM
--- GET /invoices/openpdf.pdf
HTTP/1.1 200
Content-Disposition: attachment; filename="__-INV-2026-0042.pdf"; filename*=UTF-8''%E0%A4%AC%E0%A4%BF%E0%A4%B2-INV-2026-0042.pdf
Content-Type: application/pdf
Transfer-Encoding: chunked
--- GET /invoices/itext.pdf
HTTP/1.1 200
Content-Disposition: attachment; filename="__-INV-2026-0042.pdf"; filename*=UTF-8''%E0%A4%AC%E0%A4%BF%E0%A4%B2-INV-2026-0042.pdf
Content-Type: application/pdf
Transfer-Encoding: chunked
--- GET /invoices/flyingsaucer.pdf
HTTP/1.1 200
Content-Disposition: attachment; filename="__-INV-2026-0042.pdf"; filename*=UTF-8''%E0%A4%AC%E0%A4%BF%E0%A4%B2-INV-2026-0042.pdf
Content-Type: application/pdf
Transfer-Encoding: chunked
--- GET /invoices/openpdf-jdk.pdf
HTTP/1.1 200
Content-Disposition: attachment; filename="__-INV-2026-0042.pdf"; filename*=UTF-8''%E0%A4%AC%E0%A4%BF%E0%A4%B2-INV-2026-0042.pdf
Content-Type: application/pdf
Transfer-Encoding: chunked
--- GET /invoices/openpdf-jdk-actualtext.pdf
HTTP/1.1 200
Content-Disposition: attachment; filename="__-INV-2026-0042.pdf"; filename*=UTF-8''%E0%A4%AC%E0%A4%BF%E0%A4%B2-INV-2026-0042.pdf
Content-Type: application/pdf
Transfer-Encoding: chunked
--- GET /invoices/flyingsaucer-shaped.pdf
HTTP/1.1 200
Content-Disposition: attachment; filename="__-INV-2026-0042.pdf"; filename*=UTF-8''%E0%A4%AC%E0%A4%BF%E0%A4%B2-INV-2026-0042.pdf
Content-Type: application/pdf
Transfer-Encoding: chunked
--- GET /invoices/openpdf.pdf?mode=buffered
HTTP/1.1 200
Content-Length: 20039
--- GET /invoices/openpdf.pdf?disposition=inline
HTTP/1.1 200
Content-Disposition: inline; filename="__-INV-2026-0042.pdf"; filename*=UTF-8''%E0%A4%AC%E0%A4%BF%E0%A4%B2-INV-2026-0042.pdf
--- GET /invoices/nope.pdf
HTTP/1.1 404
--- GET /invoices/openpdf.pdf?failAtEnd=true (streamed: headers are already gone when the failure happens)
HTTP/1.1 200
Transfer-Encoding: chunked
curl exit=18 bytes_received=20039
--- GET /invoices/openpdf.pdf?failAtEnd=true&mode=buffered (rendered into memory first)
HTTP/1.1 500
curl exit=0 bytes_received=116