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import sys, os, os.path, re
import defcon
from multiprocessing import Pool
from fontTools.designspaceLib import DesignSpaceDocument
from datetime import datetime
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), 'tools')))
from common import getGitHash, getVersion
from postprocess_instance_ufo import ufo_set_wws
def update_version(ufo):
version = getVersion()
buildtag, buildtagErrs = getGitHash()
now = datetime.utcnow()
if buildtag == "" or len(buildtagErrs) > 0:
buildtag = "src"
print("warning: getGitHash() failed: %r" % buildtagErrs, file=sys.stderr)
versionMajor, versionMinor = [int(num) for num in version.split(".")]
ufo.info.versionMajor = versionMajor
ufo.info.versionMinor = versionMinor
ufo.info.year = now.year
ufo.info.openTypeNameVersion = "Version %d.%03d;git-%s" % (versionMajor, versionMinor, buildtag)
psFamily = re.sub(r'\s', '', ufo.info.familyName)
psStyle = re.sub(r'\s', '', ufo.info.styleName)
ufo.info.openTypeNameUniqueID = "%s-%s:%d:%s" % (psFamily, psStyle, now.year, buildtag)
ufo.info.openTypeHeadCreated = now.strftime("%Y/%m/%d %H:%M:%S")
def fix_opsz_range(designspace):
# TODO: find extremes by looking at the source
for a in designspace.axes:
if a.tag == "opsz":
a.minimum = 14
a.maximum = 32
break
return designspace
def fix_wght_range(designspace):
for a in designspace.axes:
if a.tag == "wght":
a.minimum = 100
a.maximum = 900
break
return designspace
def should_decompose_glyph(g):
if g.components and len(g.components) > 0:
for c in g.components:
# Does the component have non-trivial transformation? (i.e. scaled or skewed)
# Example of no transformation: (identity matrix)
# (1, 0, 0, 1, 0, 0) no scale or offset
# Example of simple offset transformation matrix:
# (1, 0, 0, 1, 20, 30) 20 x offset, 30 y offset
# Example of scaled transformation matrix:
# (-1.0, 0, 0.3311, 1, 1464.0, 0) flipped x axis, sheered and offset
# Matrix order:
# (x_scale, x_skew, y_skew, y_scale, x_pos, y_pos)
# if g.name == 'dotmacron.lc':
# print(f"{g.name} cn {c.baseGlyph}", c.transformation)
# Check if transformation is not identity (ignoring x & y offset)
m = c.transformation
if m[0] + m[1] + m[2] + m[3] != 2.0:
return True
return False
def find_glyphs_to_decompose(designspace_source):
glyph_names = set()
# print("find_glyphs_to_decompose inspecting %r" % designspace_source.name)
ufo = defcon.Font(designspace_source.path)
for g in ufo:
if should_decompose_glyph(g):
glyph_names.add(g.name)
return list(glyph_names)
def set_ufo_filter(ufo, **filter_dict):
filters = ufo.lib.setdefault("com.github.googlei18n.ufo2ft.filters", [])
for i in range(len(filters)):
if filters[i].get("name") == filter_dict["name"]:
filters[i] = filter_dict
return
filters.append(filter_dict)
def update_source_ufo(ufo_file, glyphs_to_decompose):
print(f"update {os.path.basename(ufo_file)}")
ufo = defcon.Font(ufo_file)
update_version(ufo)
set_ufo_filter(ufo, name="decomposeComponents", include=glyphs_to_decompose)
ufo_set_wws(ufo) # Fix missing WWS entries for Display fonts
ufo.save(ufo_file)
def update_sources(designspace):
with Pool() as p:
sources = [source for source in designspace.sources]
# sources = [s for s in sources if s.name == "Inter Thin"] # DEBUG
glyphs_to_decompose = set()
for glyph_names in p.map(find_glyphs_to_decompose, sources):
glyphs_to_decompose.update(glyph_names)
glyphs_to_decompose = list(glyphs_to_decompose)
# print("glyphs marked to be decomposed: %s" % ', '.join(glyphs_to_decompose))
source_files = list(set([s.path for s in sources]))
p.starmap(update_source_ufo, [(path, glyphs_to_decompose) for path in source_files])
return designspace
def main(argv):
designspace_file = argv[1]
designspace = DesignSpaceDocument.fromfile(designspace_file)
designspace = fix_opsz_range(designspace)
designspace = fix_wght_range(designspace)
designspace = update_sources(designspace)
designspace.write(designspace_file)
if __name__ == '__main__':
main(sys.argv)
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