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.
27 lines
1.3 KiB
Racket
27 lines
1.3 KiB
Racket
#lang fontkit/racket
|
|
(require restructure)
|
|
(provide (all-defined-out))
|
|
|
|
(define-subclass Struct (Rhhea))
|
|
|
|
(define hhea (make-object Rhhea
|
|
(dictify
|
|
'version int32be
|
|
'ascent int16be ;; Distance from baseline of highest ascender
|
|
'descent int16be ;; Distance from baseline of lowest descender
|
|
'lineGap int16be ;; Typographic line gap
|
|
'advanceWidthMax uint16be ;; Maximum advance width value in 'hmtx' table
|
|
'minLeftSideBearing int16be ;; Maximum advance width value in 'hmtx' table
|
|
'minRightSideBearing int16be ;; Minimum right sidebearing value
|
|
'xMaxExtent int16be
|
|
'caretSlopeRise int16be ;; Used to calculate the slope of the cursor (rise/run); 1 for vertical
|
|
'caretSlopeRun int16be ;; 0 for vertical
|
|
'caretOffset int16be ;; Set to 0 for non-slanted fonts
|
|
'reserved (+Array int16be 4)
|
|
'metricDataFormat int16be ;; 0 for current format
|
|
'numberOfMetrics uint16be ;; Number of advance widths in 'hmtx' table
|
|
)))
|
|
|
|
|
|
|