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@ai-ecoverse/wasm-poppler

v26.10.0-6

Published

poppler PDF utilities (pdftotext, pdftoppm, pdfinfo, …) for slicc (WASM / emscripten, SLICC homescoop)

Vulnerabilities

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Links

Git

Maintainers

trielofftrieloffkarlpaulskarlpauls

Keywords

wasmemscriptenslicchomescooppopplerpdfpdftotextpdftoppm

Readme

@ai-ecoverse/wasm-poppler

poppler 26.10.0 utilities for slicc's wasm realm, all in one multi-call wasm: pdftotext, pdftoppm, pdfinfo, pdfimages, pdffonts, pdfseparate, pdfunite, pdfdetach, pdfattach, pdftops and pdftohtml.

pnpm add -g @ai-ecoverse/wasm-poppler
pdftotext doc.pdf -               # text to stdout
pdftotext -layout doc.pdf out.txt
pdftoppm -png -r 150 doc.pdf page # page-1.png, page-2.png, …
pdftoppm -png -f 2 -l 3 doc.pdf p
pdfinfo doc.pdf
pdftotext -upw secret locked.pdf -

Rendering uses the Splash backend. Cairo is not built, so pdftocairo is an alias of pdftoppm, as it was in slicc 6: -png/-jpeg work, but -svg, -pdf, -ps and -eps do not; it says so and exits 99 (use pdftops for PostScript).

There is no fontconfig. The 14 standard PDF fonts (Helvetica, Times, Courier, Symbol, ZapfDingbats) are the URW Type1 fonts from gsfonts (GPL with a font exception, see share/fonts/COPYING), found through POPPLER_FONTSDIR. Embedded fonts render as they are, and other non-embedded fonts fall back to the closest standard font. CJK text needs poppler-data, which is not included.