8d7774a3e8
by encoding as integers all float values that have no decimal portion. This optimization is expected to reduce the file size of CFF2 fonts that have intermediate masters. Related to https://github.com/adobe-type-tools/afdko/issues/444 Many thanks to @cjchapman for the help on the fixed point math
54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
from __future__ import print_function, division, absolute_import
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from fontTools.cffLib import PrivateDict
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from fontTools.cffLib.specializer import stringToProgram
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from fontTools.misc.psCharStrings import T2CharString
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import unittest
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class T2CharStringTest(unittest.TestCase):
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@classmethod
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def stringToT2CharString(cls, string):
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return T2CharString(program=stringToProgram(string), private=PrivateDict())
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def test_calcBounds_empty(self):
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cs = self.stringToT2CharString("endchar")
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bounds = cs.calcBounds(None)
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self.assertEqual(bounds, None)
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def test_calcBounds_line(self):
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cs = self.stringToT2CharString("100 100 rmoveto 40 10 rlineto -20 50 rlineto endchar")
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bounds = cs.calcBounds(None)
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self.assertEqual(bounds, (100, 100, 140, 160))
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def test_calcBounds_curve(self):
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cs = self.stringToT2CharString("100 100 rmoveto -50 -150 200 0 -50 150 rrcurveto endchar")
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bounds = cs.calcBounds(None)
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self.assertEqual(bounds, (91.90524980688875, -12.5, 208.09475019311125, 100))
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def test_charstring_bytecode_optimization(self):
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cs = self.stringToT2CharString(
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"100.0 100 rmoveto -50.0 -150 200.5 0.0 -50 150 rrcurveto endchar")
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cs.isCFF2 = False
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cs.private._isCFF2 = False
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cs.compile()
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cs.decompile()
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self.assertEqual(
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cs.program, [100, 100, 'rmoveto', -50, -150, 200.5, 0, -50, 150,
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'rrcurveto', 'endchar'])
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cs2 = self.stringToT2CharString(
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"100.0 rmoveto -50.0 -150 200.5 0.0 -50 150 rrcurveto")
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cs2.isCFF2 = True
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cs2.private._isCFF2 = True
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cs2.compile(isCFF2=True)
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cs2.decompile()
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self.assertEqual(
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cs2.program, [100, 'rmoveto', -50, -150, 200.5, 0, -50, 150,
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'rrcurveto'])
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if __name__ == "__main__":
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import sys
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sys.exit(unittest.main())
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