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[symfont] Allow printing to files

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This commit is contained in:
Behdad Esfahbod 2017-02-20 08:54:53 -06:00
parent afe3407ca5
commit 78637fb8c8
1 changed files with 14 additions and 13 deletions
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27
Snippets/symfont.py
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@ -11,6 +11,7 @@ from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
import sympy as sp
import sys
import math
from fontTools.pens.basePen import BasePen
from fontTools.pens.transformPen import TransformPen
@ -81,14 +82,14 @@ def getGreenBezierFuncs(func):
_BezierFuncs[funcstr] = BezierFuncs(func)
return _BezierFuncs[funcstr]
def printCache(func):
def printCache(func, file=sys.stdout):
funcstr = str(func)
print("_BezierFuncs['%s'] = [" % funcstr)
print("_BezierFuncs['%s'] = [" % funcstr, file=file)
for i in range(n+1):
print(' lambda P:', green(func, BezierCurve[i]), ',')
print(']')
print(']', file=file)
def printPen(name, funcs):
def printPen(name, funcs, file=sys.stdout):
print(
'''from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
@ -99,9 +100,9 @@ class {name}(BasePen):
def __init__(self, func, glyphset=None):
BasePen.__init__(self, glyphset)
'''.format(name=name))
'''.format(name=name), file=file)
for name,f in funcs:
print(' self.%s = 0' % name)
print(' self.%s = 0' % name, file=file)
print('''
def _moveTo(self, p0):
self.__startPoint = p0
@ -110,7 +111,7 @@ class {name}(BasePen):
p0 = self._getCurrentPoint()
if p0 != self.__startPoint:
p1 = self.__startPoint
self._lineTo(p1)''')
self._lineTo(p1)''', file=file)
for n in (1, 2, 3):
@ -119,14 +120,14 @@ class {name}(BasePen):
def _lineTo(self, p1):
x0,y0 = self._getCurrentPoint()
x1,y1 = p1
''')
''', file=file)
elif n == 2:
print('''
def _qCurveToOne(self, p1, p2):
x0,y0 = self._getCurrentPoint()
x1,y1 = p1
x2,y2 = p2
''')
''', file=file)
elif n == 3:
print('''
def _curveToOne(self, p1, p2, p3):
@ -134,15 +135,15 @@ class {name}(BasePen):
x1,y1 = p1
x2,y2 = p2
x3,y3 = p3
''')
''', file=file)
defs, exprs = sp.cse([green(f, BezierCurve[n]) for name,f in funcs],
optimizations='basic',
symbols=(sp.Symbol('r%d'%i) for i in count()))
for name,value in defs:
print(' %s = %s' % (name, value))
print()
print(' %s = %s' % (name, value), file=file)
print(file=file)
for name,value in zip([f[0] for f in funcs], exprs):
print(' self.%s += %s' % (name, value))
print(' self.%s += %s' % (name, value), file=file)
#printPen('MomentsPen',
# [('area', 1),