def to_ufo_gasp_table(value):
# XXX maybe the parser should cast the gasp values to int?
value = {int(k): int(v) for k, v in value.items()}
gasp_records = []
# gasp range records must be sorted in ascending rangeMaxPPEM
for max_ppem, gasp_behavior in sorted(value.items()):
gasp_records.append({
'rangeMaxPPEM': max_ppem,
'rangeGaspBehavior': bin_to_int_list(gasp_behavior)
})
return gasp_records
def test_bin_to_int_list(self):
self.assertEqual([], bin_to_int_list(0))
self.assertEqual([0], bin_to_int_list(1))
self.assertEqual([1], bin_to_int_list(2))
self.assertEqual([0, 1], bin_to_int_list(3))
self.assertEqual([2], bin_to_int_list(4))
self.assertEqual([7, 30], bin_to_int_list((1 << 7) + (1 << 30)))
def set_custom_params(ufo, parsed=None, data=None, misc_keys=(), non_info=()):
"""Set Glyphs custom parameters in UFO info or lib, where appropriate.
Custom parameter data can be pre-parsed out of Glyphs data and provided via
the `parsed` argument, otherwise `data` should be provided and will be
parsed. The `parsed` option is provided so that custom params can be popped
from Glyphs data once and used several times; in general this is used for
debugging purposes (to detect unused Glyphs data).
The `non_info` argument can be used to specify potential UFO info attributes
which should not be put in UFO info.
"""
if parsed is None:
parsed = parse_custom_params(data or {}, misc_keys)
else:
assert data is None, "Shouldn't provide parsed data and data to parse."
fsSelection_flags = {'Use Typo Metrics', 'Has WWS Names'}
for name, value in parsed:
name = normalize_custom_param_name(name)
if name in fsSelection_flags:
if value:
if ufo.info.openTypeOS2Selection is None:
ufo.info.openTypeOS2Selection = []
if name == 'Use Typo Metrics':
ufo.info.openTypeOS2Selection.append(7)
elif name == 'Has WWS Names':
ufo.info.openTypeOS2Selection.append(8)
continue
# deal with any Glyphs naming quirks here
if name == 'disablesNiceNames':
name = 'useNiceNames'
value = int(not value)
# convert code page numbers to OS/2 ulCodePageRange bits
if name == 'codePageRanges':
value = [CODEPAGE_RANGES[v] for v in value]
# convert Glyphs' GASP Table to UFO openTypeGaspRangeRecords
if name == 'GASP Table':
name = 'openTypeGaspRangeRecords'
# XXX maybe the parser should cast the gasp values to int?
value = {int(k): int(v) for k, v in value.items()}
gasp_records = []
# gasp range records must be sorted in ascending rangeMaxPPEM
for max_ppem, gasp_behavior in sorted(value.items()):
gasp_records.append({
'rangeMaxPPEM':
max_ppem,
'rangeGaspBehavior':
bin_to_int_list(gasp_behavior)
})
value = gasp_records
opentype_attr_prefix_pairs = (('hhea', 'Hhea'), ('description',
'NameDescription'),
('license',
'NameLicense'), ('panose', 'OS2Panose'),
('typo',
'OS2Typo'), ('unicodeRanges',
'OS2UnicodeRanges'),
('codePageRanges', 'OS2CodePageRanges'),
('weightClass',
'OS2WeightClass'), ('widthClass',
'OS2WidthClass'),
('win', 'OS2Win'), ('vendorID',
'OS2VendorID'),
('versionString',
'NameVersion'), ('fsType', 'OS2Type'))
for glyphs_prefix, ufo_prefix in opentype_attr_prefix_pairs:
name = re.sub('^' + glyphs_prefix, 'openType' + ufo_prefix, name)
postscript_attrs = ('underlinePosition', 'underlineThickness')
if name in postscript_attrs:
name = 'postscript' + name[0].upper() + name[1:]
# enforce that winAscent/Descent are positive, according to UFO spec
if name.startswith('openTypeOS2Win') and value < 0:
value = -value
# The value of these could be a float, and ufoLib/defcon expect an int.
if name in ('openTypeOS2WeightClass', 'openTypeOS2WidthClass'):
value = int(value)
if name == 'glyphOrder':
# store the public.glyphOrder in lib.plist
ufo.lib[PUBLIC_PREFIX + name] = value
elif name == 'Filter':
filter_struct = parse_glyphs_filter(value)
if not filter_struct:
continue
if UFO2FT_FILTERS_KEY not in ufo.lib.keys():
ufo.lib[UFO2FT_FILTERS_KEY] = []
ufo.lib[UFO2FT_FILTERS_KEY].append(filter_struct)
elif hasattr(ufo.info, name) and name not in non_info:
# most OpenType table entries go in the info object
setattr(ufo.info, name, value)
else:
# everything else gets dumped in the lib
ufo.lib[GLYPHS_PREFIX + name] = value
