This is a Python implementation of the OpenType PfEd (PfaEdit) table.
PfEd is a quite obscure table, but quite useful. It has some elements, like guidelines and comments , that are worth more widely standardizing in OpenType I think.
For now this is just a reader that is 90% done as of 1 January 2021.
(Not promising to finish this!)
Input should be all the raw bytes found in the PfEd table of an OpenType (or SFNT) font.
There are two examples in examples/:
examples/PfEd—InterestingPfEdTable.otf, the example font I posted at fonttools/fonttools#464 on 28 April 2018 which contains allPfEdtables exceptcvtc;examples/PfEd2— TT2020'sPfEdin the state it was in on my hard drive 1 January 2021.
from OpenType_PfEd import PfEd, PfEdBuffer
with open("OpenType_PfEd/examples/PfEd2", "rb") as f:
buf = PfEdBuffer(f.read())
pfed = PfEd(buf)
pfed.parse()
import pprint
pprint.pprint(pfed.subtables)Gives us:
INFO: Got PfEd table version 10000 of length 4 subtables (length 0x000a60e0 bytes)
INFO: Subtable tagged GSUB starts @ 0x00000028
INFO: Subtable tagged GPOS starts @ 0x000005c0
INFO: Subtable tagged guid starts @ 0x00000608
INFO: Subtable tagged layr starts @ 0x000007a8
{'GPOS': [('mark1', [('mark1-1', ['theclass'])]),
('fracq', [('fracq subtable', [])])],
'GSUB': [('fracf', [('fracf subtable', [])]),
('fracs',
[('fracs contextual 0', []),
('fracs contextual 1', []),
('fracs contextual 2', [])]),
('Single Substitution lookup 2',
[('Single Substitution lookup 2 subtable', [])]),
('Single Substitution lookup 3',
[('Single Substitution lookup 3 subtable', [])]),
('Single Substitution lookup 4',
[('Single Substitution lookup 4 subtable', [])]),
('fracn', [('fracn subtable', [])]),
('Single Substitution lookup 6',
[('Single Substitution lookup 6 subtable', [])]),
('fracn3', [('fracn3 subtable', [])]),
('Single Substitution lookup 8',
[('Single Substitution lookup 8 subtable', [])]),
('fracn4', [('fracn4 subtable', [])]),
('Single Substitution lookup 10',
[('Single Substitution lookup 10 subtable', [])]),
('fracn5', [('fracn5 subtable', [])]),
('Single Substitution lookup 12',
[('Single Substitution lookup 12 subtable', [])]),
('fracn6', [('fracn6 subtable', [])]),
('Single Substitution lookup 14',
[('Single Substitution lookup 14 subtable', [])]),
('fracn7', [('fracn7 subtable', [])]),
('Single Substitution lookup 16',
[('Single Substitution lookup 16 subtable', [])]),
('fracn8', [('fracn8 subtable', [])]),
('Single Substitution lookup 18',
[('Single Substitution lookup 18 subtable', [])]),
('fracn9', [('fracn9 subtable', [])]),
('Single Substitution lookup 20',
[('Single Substitution lookup 20 subtable', [])]),
('fracn10', [('fracn10 subtable', [])]),
('Single Substitution lookup 22',
[('Single Substitution lookup 22 subtable', [])]),
('ligahebrew', [('ligahebrew subtable', [])]),
('ligalatin', [('ligalatin subtable', [])])],
'guid': {'desc': '',
'guidelines': [{'name': 'Bottom (Cyrl)',
'pos': -130,
'type': 'Horizontal'},
{'name': 'Bottom (Hebr)',
'pos': -97,
'type': 'Horizontal'},
{'name': 'Bottom (yud, Hebr)',
'pos': 225,
'type': 'Horizontal'},
{'name': 'Mid-bar (Armn)',
'pos': 259,
'type': 'Horizontal'},
{'name': 'Mid-bar (Cyrl)',
'pos': 292,
'type': 'Horizontal'},
{'name': 'x-height', 'pos': 404, 'type': 'Horizontal'},
{'name': 'Top (Hebr)',
'pos': 460,
'type': 'Horizontal'},
{'name': 'Top (Cyrl)',
'pos': 529,
'type': 'Horizontal'}],
'version': 1},
'layr': [{'name': 'Spiro',
'ranges': [{'last': 0, 'offsets': [1065], 'start': 0},
{'last': 5, 'offsets': [2648], 'start': 5},
{'last': 15,
'offsets': [5112, 0, 7632, 0, 8084],
'start': 11},
{'last': 23, 'offsets': [8320], 'start': 23},
{'last': 27, 'offsets': [9596, 11016], 'start': 26},
{'last': 33, 'offsets': [11482], 'start': 33},
{'last': 43,
'offsets': [15341, 16338, 18448, 20180, 21789, 0, 23027],
'start': 37},
{'last': 51,
'offsets': [24105, 25387, 27919],
'start': 49},
{'last': 54, 'offsets': [29394], 'start': 54},
{'last': 58, 'offsets': [30342], 'start': 58},
{'last': 85,
'offsets': [31264,
31680,
33334,
34930,
36480,
0,
38193,
39312,
41769,
0,
43469,
44547,
45969,
46417,
48995,
50389,
51782,
53374,
55164,
56229,
58112],
'start': 65},
{'last': 90, 'offsets': [59433], 'start': 90},
{'last': 98,
'offsets': [60908, 0, 61612, 63176],
'start': 95},
{'last': 101, 'offsets': [64128], 'start': 101},
{'last': 104, 'offsets': [66880], 'start': 104},
{'last': 112,
'offsets': [69223, 0, 71428, 72663, 0, 74195],
'start': 107},
{'last': 161, 'offsets': [74944], 'start': 161},
{'last': 171, 'offsets': [77332], 'start': 171},
{'last': 327, 'offsets': [78802, 0, 79272], 'start': 325},
{'last': 333, 'offsets': [80116], 'start': 333},
{'last': 372, 'offsets': [80748], 'start': 372},
{'last': 383, 'offsets': [82352, 0, 84438], 'start': 381},
{'last': 396,
'offsets': [86524, 88268, 0, 89661],
'start': 393},
{'last': 410, 'offsets': [91657], 'start': 410},
{'last': 420, 'offsets': [93154, 0, 95506], 'start': 418},
{'last': 428, 'offsets': [97524], 'start': 428},
{'last': 435, 'offsets': [99233], 'start': 435},
{'last': 448, 'offsets': [100996], 'start': 448},
{'last': 465, 'offsets': [104322], 'start': 465},
{'last': 476, 'offsets': [105406, 107848], 'start': 475},
{'last': 480, 'offsets': [109282], 'start': 480},
{'last': 501, 'offsets': [113931, 115077], 'start': 500},
{'last': 540, 'offsets': [116535], 'start': 540},
...[snip]...
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent