View Source Pdf.Reader.CID.AdobeGB1 (ExPDF v1.0.1)
Adobe-GB1 CID to Unicode mapping (~28000 entries).
Bundled at compile time from priv/adobe-gb1-cid2unicode.txt,
normalized from the cid2code.txt table in the cmap-resources repository
(Adobe-GB1-6/cid2code.txt, UniGB-UCS2 column).
Each entry generates a pattern-match clause (O(1) BEAM dispatch).
Spec references
- PDF 1.7 (ISO 32000-1) § 9.7 — Composite Fonts: https://opensource.adobe.com/dc-acrobat-sdk-docs/standards/pdfstandards/pdf/PDF32000_2008.pdf
- PDF 1.7 § 9.7.4 — CIDFonts
- PDF 1.7 § 9.7.5 — CMaps (Identity-H, Identity-V predefined)
- Adobe-GB1 collection: https://github.com/adobe-type-tools/Adobe-GB1
- CMap resources (source data): https://github.com/adobe-type-tools/cmap-resources
Summary
Functions
Returns {:ok, codepoint} for known CIDs, :error for unknown ones.
Functions
@spec lookup(non_neg_integer()) :: {:ok, non_neg_integer()} | :error
Returns {:ok, codepoint} for known CIDs, :error for unknown ones.
Codepoint is a Unicode scalar value (non_neg_integer).