75 lines
3.0 KiB
Python
75 lines
3.0 KiB
Python
from __future__ import print_function, division, absolute_import
|
|
from fontTools.cffLib import PrivateDict
|
|
from fontTools.cffLib.specializer import stringToProgram
|
|
from fontTools.misc.psCharStrings import T2CharString, encodeFloat
|
|
import unittest
|
|
|
|
|
|
class T2CharStringTest(unittest.TestCase):
|
|
|
|
@classmethod
|
|
def stringToT2CharString(cls, string):
|
|
return T2CharString(program=stringToProgram(string), private=PrivateDict())
|
|
|
|
def test_calcBounds_empty(self):
|
|
cs = self.stringToT2CharString("endchar")
|
|
bounds = cs.calcBounds(None)
|
|
self.assertEqual(bounds, None)
|
|
|
|
def test_calcBounds_line(self):
|
|
cs = self.stringToT2CharString("100 100 rmoveto 40 10 rlineto -20 50 rlineto endchar")
|
|
bounds = cs.calcBounds(None)
|
|
self.assertEqual(bounds, (100, 100, 140, 160))
|
|
|
|
def test_calcBounds_curve(self):
|
|
cs = self.stringToT2CharString("100 100 rmoveto -50 -150 200 0 -50 150 rrcurveto endchar")
|
|
bounds = cs.calcBounds(None)
|
|
self.assertEqual(bounds, (91.90524980688875, -12.5, 208.09475019311125, 100))
|
|
|
|
def test_charstring_bytecode_optimization(self):
|
|
cs = self.stringToT2CharString(
|
|
"100.0 100 rmoveto -50.0 -150 200.5 0.0 -50 150 rrcurveto endchar")
|
|
cs.isCFF2 = False
|
|
cs.private._isCFF2 = False
|
|
cs.compile()
|
|
cs.decompile()
|
|
self.assertEqual(
|
|
cs.program, [100, 100, 'rmoveto', -50, -150, 200.5, 0, -50, 150,
|
|
'rrcurveto', 'endchar'])
|
|
|
|
cs2 = self.stringToT2CharString(
|
|
"100.0 rmoveto -50.0 -150 200.5 0.0 -50 150 rrcurveto")
|
|
cs2.isCFF2 = True
|
|
cs2.private._isCFF2 = True
|
|
cs2.compile(isCFF2=True)
|
|
cs2.decompile()
|
|
self.assertEqual(
|
|
cs2.program, [100, 'rmoveto', -50, -150, 200.5, 0, -50, 150,
|
|
'rrcurveto'])
|
|
|
|
def test_encodeFloat(self):
|
|
def hexenc(s):
|
|
return ' '.join('%02x' % x for x in s)
|
|
testNums = [
|
|
# value expected hex encoded result
|
|
(-9.399999999999999, '1e e9 a3 99 99 99 99 99 99 99 ff'),
|
|
(9.399999999999999999, '1e 9a 4f'), # 9.4
|
|
(456.8, '1e 45 6a 8f'), # 456.8
|
|
(0, '1e 0f'), # 0
|
|
(-0.0, '1e ea 0f'), # 0
|
|
(1, '1e 1f'), # 1
|
|
(-1, '1e e1 ff'), # -1
|
|
(98765.37e2, '1e 98 76 53 7a 0f'), # 9876537
|
|
(1234567890, '1e 12 34 56 78 90 ff'), # 1234567890
|
|
(9.876537e-24, '1e 9a 87 65 37 c2 4f'), # 9.876537e-24
|
|
(9.876537e+24, '1e 9a 87 65 37 b2 4f'), # 9.876537e+24
|
|
]
|
|
for n in testNums:
|
|
r = encodeFloat(n[0])
|
|
self.assertEqual(hexenc(r), n[1])
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import sys
|
|
sys.exit(unittest.main())
|