/usr/lib/python3/dist-packages/fontTools/pens/ttGlyphPen.py is in python3-fonttools 3.21.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from array import array
from fontTools.pens.basePen import AbstractPen
from fontTools.pens.transformPen import TransformPen
from fontTools.ttLib.tables import ttProgram
from fontTools.ttLib.tables._g_l_y_f import Glyph
from fontTools.ttLib.tables._g_l_y_f import GlyphComponent
from fontTools.ttLib.tables._g_l_y_f import GlyphCoordinates
__all__ = ["TTGlyphPen"]
class TTGlyphPen(AbstractPen):
"""Pen used for drawing to a TrueType glyph."""
def __init__(self, glyphSet):
self.glyphSet = glyphSet
self.init()
def init(self):
self.points = []
self.endPts = []
self.types = []
self.components = []
def _addPoint(self, pt, onCurve):
self.points.append(pt)
self.types.append(onCurve)
def _popPoint(self):
self.points.pop()
self.types.pop()
def _isClosed(self):
return (
(not self.points) or
(self.endPts and self.endPts[-1] == len(self.points) - 1))
def lineTo(self, pt):
self._addPoint(pt, 1)
def moveTo(self, pt):
assert self._isClosed(), '"move"-type point must begin a new contour.'
self._addPoint(pt, 1)
def qCurveTo(self, *points):
assert len(points) >= 1
for pt in points[:-1]:
self._addPoint(pt, 0)
# last point is None if there are no on-curve points
if points[-1] is not None:
self._addPoint(points[-1], 1)
def closePath(self):
endPt = len(self.points) - 1
# ignore anchors (one-point paths)
if endPt == 0 or (self.endPts and endPt == self.endPts[-1] + 1):
self._popPoint()
return
# if first and last point on this path are the same, remove last
startPt = 0
if self.endPts:
startPt = self.endPts[-1] + 1
if self.points[startPt] == self.points[endPt]:
self._popPoint()
endPt -= 1
self.endPts.append(endPt)
def endPath(self):
# TrueType contours are always "closed"
self.closePath()
def addComponent(self, glyphName, transformation):
self.components.append((glyphName, transformation))
def glyph(self, componentFlags=0x4):
assert self._isClosed(), "Didn't close last contour."
components = []
for glyphName, transformation in self.components:
if self.points:
# can't have both, so decompose the glyph
tpen = TransformPen(self, transformation)
self.glyphSet[glyphName].draw(tpen)
continue
component = GlyphComponent()
component.glyphName = glyphName
if transformation[:4] != (1, 0, 0, 1):
component.transform = (transformation[:2], transformation[2:4])
component.x, component.y = transformation[4:]
component.flags = componentFlags
components.append(component)
glyph = Glyph()
glyph.coordinates = GlyphCoordinates(self.points)
glyph.endPtsOfContours = self.endPts
glyph.flags = array("B", self.types)
self.init()
if components:
glyph.components = components
glyph.numberOfContours = -1
else:
glyph.numberOfContours = len(glyph.endPtsOfContours)
glyph.program = ttProgram.Program()
glyph.program.fromBytecode(b"")
return glyph
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