30 lines
1.2 KiB
OCaml
30 lines
1.2 KiB
OCaml
(** Embed a TrueType font in a PDF *)
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(* Embed a TrueType font for the given set of unicode codepoints in the given
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encoding, adding the fontfiles to the PDF and returning a list of font objects,
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together with a unicode codepoint --> (font number in list, charcode) table *)
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type t = Pdftext.font list * (int, int * int) Hashtbl.t
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type cpdffont =
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PreMadeFontPack of t
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| EmbedInfo of {fontfile : Pdfio.bytes; fontname : string; encoding : Pdftext.encoding}
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| ExistingNamedFont
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(** Build a fontpack for a Standard 14 font *)
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val fontpack_of_standardfont : Pdftext.font -> t
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(** Look up a unicode codepoint in a font page. Returns (charcode, fontnumber, font) *)
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val get_char : t -> int -> (int * int * Pdftext.font) option
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(** Build a fontpack from a TrueType font and list of codepoints, embedding its fonts in the document *)
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val embed_truetype :
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Pdf.t -> fontfile:Pdfio.bytes -> fontname:string -> codepoints:int list ->
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encoding:Pdftext.encoding -> t
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(** Collate outputs of [get_char] with like font *)
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val collate_runs : ('a * 'b * 'c) list -> ('a * 'b * 'c) list list
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(** Load substitute Standard 14 font *)
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val load_substitute : string -> Pdftext.standard_font -> Pdfio.bytes * string
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