def interpolate(ufos, master_dir, out_dir, instance_data, debug=False):
"""Create MutatorMath designspace and generate instances.
Returns instance UFOs, or unused instance data if debug is True.
"""
from mutatorMath.ufo import build
designspace_path, instance_files = build_designspace(
ufos, master_dir, out_dir, instance_data)
logger.info('Building instances')
for path, _ in instance_files:
clean_ufo(path)
build(designspace_path, outputUFOFormatVersion=3)
instance_ufos = apply_instance_data(instance_files)
if debug:
return clear_data(instance_data)
return instance_ufos
def interpolate(ufos, master_dir, out_dir, instance_data, debug=False):
"""Create MutatorMath designspace and generate instances.
Returns instance UFOs, or unused instance data if debug is True.
"""
from mutatorMath.ufo import build
designspace_path, instance_files = build_designspace(
ufos, master_dir, out_dir, instance_data)
logger.info('Building instances')
for path, _ in instance_files:
clean_ufo(path)
build(designspace_path, outputUFOFormatVersion=3)
instance_ufos = apply_instance_data(instance_files)
if debug:
return clear_data(instance_data)
return instance_ufos
def to_ufos(data, include_instances=False, family_name=None, debug=False):
"""Take .glyphs file data and load it into UFOs.
Takes in data as a dictionary structured according to
https://github.com/schriftgestalt/GlyphsSDK/blob/master/GlyphsFileFormat.md
and returns a list of UFOs, one per master.
If debug is True, returns unused input data instead of the resulting UFOs.
"""
# check that source was generated with at least stable version 2.3
# https://github.com/googlei18n/glyphsLib/pull/65#issuecomment-237158140
if data.pop('.appVersion', 0) < 895:
logger.warn(
'This Glyphs source was generated with an outdated version '
'of Glyphs. The resulting UFOs may be incorrect.')
source_family_name = data.pop('familyName')
if family_name is None:
family_name = source_family_name
feature_prefixes, classes, features = [], [], []
for f in data.get('featurePrefixes', []):
feature_prefixes.append(
(f.pop('name'), f.pop('code'), f.pop('automatic', None)))
for c in data.get('classes', []):
classes.append((c.pop('name'), c.pop('code'), c.pop('automatic',
None)))
for f in data.get('features', []):
features.append(
(f.pop('name'), f.pop('code'), f.pop('automatic', None),
f.pop('disabled', None), f.pop('notes', None)))
kerning_groups = {}
# stores background data from "associated layers"
supplementary_bg_data = []
#TODO(jamesgk) maybe create one font at a time to reduce memory usage
ufos, master_id_order = generate_base_fonts(data, family_name)
# get the 'glyphOrder' custom parameter as stored in the lib.plist.
# We assume it's the same for all ufos.
first_ufo = ufos[master_id_order[0]]
glyphOrder_key = PUBLIC_PREFIX + 'glyphOrder'
if glyphOrder_key in first_ufo.lib:
glyph_order = first_ufo.lib[glyphOrder_key]
else:
glyph_order = []
sorted_glyphset = set(glyph_order)
for glyph in data['glyphs']:
add_glyph_to_groups(kerning_groups, glyph)
glyph_name = glyph.pop('glyphname')
if glyph_name not in sorted_glyphset:
# glyphs not listed in the 'glyphOrder' custom parameter but still
# in the font are appended after the listed glyphs, in the order
# in which they appear in the source file
glyph_order.append(glyph_name)
# pop glyph metadata only once, i.e. not when looping through layers
metadata_keys = [
'unicode', 'color', 'export', 'lastChange', 'leftMetricsKey',
'note', 'production', 'rightMetricsKey', 'widthMetricsKey',
'category', 'subCategory'
]
glyph_data = {k: glyph.pop(k) for k in metadata_keys if k in glyph}
for layer in glyph['layers']:
layer_id = layer.pop('layerId')
layer_name = layer.pop('name', None)
assoc_id = layer.pop('associatedMasterId', None)
if assoc_id is not None:
if layer_name is not None:
supplementary_bg_data.append(
(assoc_id, glyph_name, layer_name, layer))
continue
ufo = ufos[layer_id]
glyph = ufo.newGlyph(glyph_name)
load_glyph(glyph, layer, glyph_data)
for layer_id, glyph_name, bg_name, bg_data in supplementary_bg_data:
glyph = ufos[layer_id][glyph_name]
set_robofont_glyph_background(glyph, bg_name, bg_data)
for ufo in ufos.values():
ufo.lib[glyphOrder_key] = glyph_order
propagate_font_anchors(ufo)
add_features_to_ufo(ufo, feature_prefixes, classes, features)
add_groups_to_ufo(ufo, kerning_groups)
for master_id, kerning in data.pop('kerning', {}).items():
load_kerning(ufos[master_id], kerning)
result = [ufos[master_id] for master_id in master_id_order]
instances = {
'defaultFamilyName': source_family_name,
'data': data.pop('instances', [])
}
# the 'Variation Font Origin' is a font-wide custom parameter, thus it is
# shared by all the master ufos; here we just get it from the first one
varfont_origin_key = "Variation Font Origin"
varfont_origin = first_ufo.lib.get(GLYPHS_PREFIX + varfont_origin_key)
if varfont_origin:
instances[varfont_origin_key] = varfont_origin
if debug:
return clear_data(data)
elif include_instances:
return result, instances
return result
def to_ufos(data, include_instances=False, family_name=None, debug=False):
"""Take .glyphs file data and load it into UFOs.
Takes in data as a dictionary structured according to
https://github.com/schriftgestalt/GlyphsSDK/blob/master/GlyphsFileFormat.md
and returns a list of UFOs, one per master.
If debug is True, returns unused input data instead of the resulting UFOs.
"""
# check that source was generated with at least stable version 2.3
# https://github.com/googlei18n/glyphsLib/pull/65#issuecomment-237158140
if data.pop('.appVersion', 0) < 895:
logger.warn('This Glyphs source was generated with an outdated version '
'of Glyphs. The resulting UFOs may be incorrect.')
source_family_name = data.pop('familyName')
if family_name is None:
family_name = source_family_name
feature_prefixes, classes, features = [], [], []
for f in data.get('featurePrefixes', []):
feature_prefixes.append((f.pop('name'), f.pop('code'),
f.pop('automatic', None)))
for c in data.get('classes', []):
classes.append((c.pop('name'), c.pop('code'), c.pop('automatic', None)))
for f in data.get('features', []):
features.append((f.pop('name'), f.pop('code'), f.pop('automatic', None),
f.pop('disabled', None), f.pop('notes', None)))
kerning_groups = {}
# stores background data from "associated layers"
supplementary_bg_data = []
#TODO(jamesgk) maybe create one font at a time to reduce memory usage
ufos, master_id_order = generate_base_fonts(data, family_name)
glyph_order = []
for glyph in data['glyphs']:
add_glyph_to_groups(kerning_groups, glyph)
glyph_name = glyph.pop('glyphname')
glyph_order.append(glyph_name)
if not re.match(r'^([A-Za-z_][\w.]*|\.notdef)$', glyph_name):
logger.warn(
'Illegal glyph name "%s". If this is used in the font\'s '
'feature syntax, it could cause errors.' % glyph_name)
# pop glyph metadata only once, i.e. not when looping through layers
metadata_keys = ['unicode', 'color', 'export', 'lastChange',
'leftMetricsKey', 'note', 'production',
'rightMetricsKey', 'widthMetricsKey']
glyph_data = {k: glyph.pop(k) for k in metadata_keys if k in glyph}
for layer in glyph['layers']:
layer_id = layer.pop('layerId')
layer_name = layer.pop('name', None)
assoc_id = layer.pop('associatedMasterId', None)
if assoc_id is not None:
if layer_name is not None:
supplementary_bg_data.append(
(assoc_id, glyph_name, layer_name, layer))
continue
ufo = ufos[layer_id]
glyph = ufo.newGlyph(glyph_name)
load_glyph(glyph, layer, glyph_data)
for layer_id, glyph_name, bg_name, bg_data in supplementary_bg_data:
glyph = ufos[layer_id][glyph_name]
set_robofont_glyph_background(glyph, bg_name, bg_data)
for ufo in ufos.values():
propagate_font_anchors(ufo)
add_features_to_ufo(ufo, feature_prefixes, classes, features)
add_groups_to_ufo(ufo, kerning_groups)
ufo.lib[PUBLIC_PREFIX + 'glyphOrder'] = glyph_order
for master_id, kerning in data.pop('kerning', {}).items():
load_kerning(ufos[master_id], kerning)
result = [ufos[master_id] for master_id in master_id_order]
instances = {'defaultFamilyName': source_family_name,
'data': data.pop('instances', [])}
if debug:
return clear_data(data)
elif include_instances:
return result, instances
return result
