You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
#lang fontkit/racket
|
|
|
|
|
(require restructure)
|
|
|
|
|
(provide (all-defined-out))
|
|
|
|
|
#|
|
|
|
|
|
approximates
|
|
|
|
|
https://github.com/mbutterick/fontkit/blob/master/src/tables/prep.js
|
|
|
|
|
|#
|
|
|
|
|
|
|
|
|
|
(define-subclass Struct (Rprep))
|
|
|
|
|
|
|
|
|
|
(define prep (make-object Rprep
|
|
|
|
|
(dictify
|
|
|
|
|
'controlValueProgram (+Array uint8))))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(test-module
|
|
|
|
|
(define ip (open-input-file charter-path))
|
|
|
|
|
(define dir (deserialize (read (open-input-file charter-directory-path))))
|
|
|
|
|
(define offset (· dir tables prep offset))
|
|
|
|
|
(define len (· dir tables prep length))
|
|
|
|
|
(check-equal? offset 4512)
|
|
|
|
|
(check-equal? len 78)
|
|
|
|
|
(set-port-position! ip 0)
|
|
|
|
|
(define table-bytes #"\270\0\0+\0\272\0\1\0\1\0\2+\1\272\0\2\0\1\0\2+\1\277\0\2\0C\0007\0+\0\37\0\23\0\0\0\b+\0\277\0\1\0\200\0i\0R\0;\0#\0\0\0\b+\0\272\0\3\0\5\0\a+\270\0\0 E}i\30D")
|
|
|
|
|
(check-equal? table-bytes (peek-bytes len offset ip))
|
|
|
|
|
(define ds (+DecodeStream (peek-bytes len offset ip)))
|
|
|
|
|
(check-equal? (hash-ref (send prep decode ds) 'controlValueProgram) '(184 0 0 43 0 186 0 1 0 1 0 2 43 1 186 0 2 0 1 0 2 43 1 191 0 2 0 67 0 55 0 43 0 31 0 19 0 0 0 8 43 0 191 0 1 0 128 0 105 0 82 0 59 0 35 0 0 0 8 43 0 186 0 3 0 5 0 7 43 184 0 0 32 69 125 105 24 68)))
|
