39 lines
1.1 KiB
OCaml
39 lines
1.1 KiB
OCaml
open Pdfutil
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(* FIXME Make this use the charcode extractor for the font, because cpdftype
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assumes charcodes. *)
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let rec of_utf8_with_newlines t =
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let items = ref [] in
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let buf = Buffer.create 256 in
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String.iter
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(function
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| '\n' ->
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let c = Buffer.contents buf in
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if c <> "" then items := Cpdftype.Text (explode c)::!items;
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items := Cpdftype.NewLine::!items;
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Buffer.clear buf
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| '\r' -> ()
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| x ->
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Buffer.add_char buf x)
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t;
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(* Do last one *)
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let c = Buffer.contents buf in
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if c <> "" then items := Text (explode c)::!items;
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rev !items
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let typeset ~papersize ~font ~fontsize text =
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let pdf = Pdf.empty () in
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let margin =
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Pdfunits.convert
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72. (Pdfpaper.unit papersize) (Pdfunits.PdfPoint) (Pdfpaper.width papersize) /. 15.
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in
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let pages =
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Cpdftype.typeset
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margin margin margin margin papersize pdf
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([Cpdftype.Font (font, fontsize); Cpdftype.BeginDocument] @
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of_utf8_with_newlines (Pdfio.string_of_bytes text))
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in
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let pdf, pageroot = Pdfpage.add_pagetree pages pdf in
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Pdfpage.add_root pageroot [] pdf
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