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typesetting/fontland/fontland/tables.rkt

31 lines
1.0 KiB
Racket

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#lang racket/base
(require "racket.rkt")
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(provide (all-defined-out))
(require (for-syntax racket/string))
#|
approximates
https://github.com/mbutterick/fontkit/blob/master/src/tables/index.js
|#
(define-macro (define-table-codecs ID TABLE-ID ...)
(with-pattern ([(TABLE-ID-STRING ...) (pattern-case-filter #'(TABLE-ID ...)
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[STX (datum->syntax caller-stx
(string-append "table/" (string-replace (format "~a.rkt" (syntax->datum #'STX)) "/" "")))])])
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#'(begin
(r+p TABLE-ID-STRING ...)
(test-module (require (submod TABLE-ID-STRING test) ...))
(define ID (make-hasheq (map cons (list 'TABLE-ID ...) (list TABLE-ID ...)))))))
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(define-table-codecs table-codecs head hhea hmtx maxp OS/2 post cvt_ fpgm loca prep glyf)
#|
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Tables not supported:
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cmap name
PostScript outlines:
CFF_ CFF2 VORG
Advanced OpenType Tables
BASE GDEF GPOS GSUB JSTF
|#