def _optimize(self, otf, name, fmt):
if fmt == Format.OTF:
import cffsubr
from fontTools.cffLib.specializer import specializeProgram
logger.info(f"Optimizing {name}.{fmt.value}")
topDict = otf["CFF "].cff.topDictIndex[0]
charStrings = topDict.CharStrings
for charString in charStrings.values():
charString.decompile()
charString.program = specializeProgram(charString.program)
logger.info(f"Subroutinizing {name}.{fmt.value}")
cffsubr.subroutinize(otf, keep_glyph_names=False)
return otf
def test_blend_round_trip(self):
ttx_path = self.getpath('TestSparseCFF2VF.ttx')
ttf_font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
ttf_font.importXML(ttx_path)
fontGlyphList = ttf_font.getGlyphOrder()
topDict = ttf_font['CFF2'].cff.topDictIndex[0]
charstrings = topDict.CharStrings
for glyphName in fontGlyphList:
cs = charstrings[glyphName]
cs.decompile()
cmds = programToCommands(cs.program, getNumRegions=cs.getNumRegions)
cmds_g = generalizeCommands(cmds)
cmds = specializeCommands(cmds_g, generalizeFirst=False)
program = commandsToProgram(cmds)
self.assertEqual(program, cs.program)
program = specializeProgram(program, getNumRegions=cs.getNumRegions)
self.assertEqual(program, cs.program)
program_g = generalizeProgram(program, getNumRegions=cs.getNumRegions)
program = commandsToProgram(cmds_g)
self.assertEqual(program, program_g)
def test_blend_round_trip(self):
ttx_path = self.getpath('TestSparseCFF2VF.ttx')
ttf_font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
ttf_font.importXML(ttx_path)
fontGlyphList = ttf_font.getGlyphOrder()
topDict = ttf_font['CFF2'].cff.topDictIndex[0]
charstrings = topDict.CharStrings
for glyphName in fontGlyphList:
cs = charstrings[glyphName]
cs.decompile()
cmds = programToCommands(cs.program,
getNumRegions=cs.getNumRegions)
cmds_g = generalizeCommands(cmds)
cmds = specializeCommands(cmds_g, generalizeFirst=False)
program = commandsToProgram(cmds)
self.assertEqual(program, cs.program)
program = specializeProgram(program,
getNumRegions=cs.getNumRegions)
self.assertEqual(program, cs.program)
program_g = generalizeProgram(program,
getNumRegions=cs.getNumRegions)
program = commandsToProgram(cmds_g)
self.assertEqual(program, program_g)
def test_blend_round_trip(self):
otfvf_path = self.get_test_input('TestSparseCFF2VF.otf')
ttf_font = TTFont(otfvf_path)
fontGlyphList = ttf_font.getGlyphOrder()
topDict = ttf_font['CFF2'].cff.topDictIndex[0]
charstrings = topDict.CharStrings
for glyphName in fontGlyphList:
print(glyphName)
cs = charstrings[glyphName]
cs.decompile()
cmds = programToCommands(cs.program,
getNumRegions=cs.getNumRegions)
cmds_g = generalizeCommands(cmds)
cmds = specializeCommands(cmds_g, generalizeFirst=False)
program = commandsToProgram(cmds)
self.assertEqual(program, cs.program)
program = specializeProgram(program,
getNumRegions=cs.getNumRegions)
self.assertEqual(program, cs.program)
program_g = generalizeProgram(program,
getNumRegions=cs.getNumRegions)
program = commandsToProgram(cmds_g)
self.assertEqual(program, program_g)
def get_specialized_charstr(charstr, **kwargs):
return programToString(
specializeProgram(stringToProgram(charstr), **kwargs))
def get_specialized_charstr(charstr, **kwargs):
return programToString(specializeProgram(stringToProgram(charstr), **kwargs))