def _load_otglyph(g, ttfont, cmap):
glyph = Glyph()
glyph._name = g
if g in cmap:
glyph._unicodes = list(cmap[g])
else:
glyph._unicodes = []
glyph._contours = []
_load_ttcategory(glyph, ttfont, g)
ttglyph = ttfont.getGlyphSet()[g]
pen = RecordingPen()
ttglyph.draw(pen)
contours = pen.value
lastcontour = []
startPt = (0, 0)
lastPt = (0, 0)
index = 0
for c in contours:
if c[0] == "moveTo":
startPt = c[1][0]
elif c[0] == "closePath":
if startPt != lastPt:
lastcontour.append(_load_point(startPt, segmentType="line"))
contour = Contour()
contour._points = lastcontour
contour._correct_direction()
glyph._contours.append(contour)
lastcontour = []
elif c[0] == "curveTo":
lastcontour.append(_load_point(c[1][0], segmentType="offcurve"))
lastcontour.append(_load_point(c[1][1], segmentType="offcurve"))
lastcontour.append(_load_point(c[1][2], segmentType="curve"))
lastPt = c[1][2]
elif c[0] == "lineTo":
lastcontour.append(_load_point(c[1][0], segmentType="line"))
lastPt = c[1][0]
elif c[0] == "qCurveTo":
self.raiseNotImplementedError()
glyph._width = ttfont["hmtx"][g][0]
glyph._leftMargin = ttfont["hmtx"][g][1]
glyph._height = ttfont["hhea"].ascent
if glyph.bounds:
glyph._rightMargin = glyph._width - glyph.bounds[2]
# CFF glyphs do not have components as such
return glyph
def _load_contour(ttglyph, index):
endPt = ttglyph.endPtsOfContours[index]
if index > 0:
startPt = ttglyph.endPtsOfContours[index - 1] + 1
else:
startPt = 0
points = []
for j in range(startPt, endPt + 1):
coords = (ttglyph.coordinates[j][0], ttglyph.coordinates[j][1])
flags = ttglyph.flags[j] == 1
t = "offcurve"
if flags == 1:
if (j == startPt and ttglyph.flags[endPt]
== 1) or (j != startPt and points[-1].type != "offcurve"):
t = "line"
else:
t = "qcurve"
else:
if len(points) > 1 and points[-1].type == "offcurve":
# Double offcurve. Insert implicit oncurve.
prevpoint = points[-1]
intermediate = Point()
intermediate.x = (coords[0] + prevpoint.x) / 2
intermediate.y = (coords[1] + prevpoint.y) / 2
intermediate.smooth = False # XXX
intermediate.type = "qcurve"
points.append(intermediate)
p = Point()
p.x, p.y = coords
p.type = t
p.smooth = False # for testing
points.append(p)
c = Contour()
c._points = points
c._correct_direction()
return c
def _load_contour(glyph, segments):
contour = Contour()
contour._glyph = glyph
contour._points = []
for s in segments:
if s[-1] == "x": # sx?
s = s[:-3]
if s[-1] == "s":
smooth = True
s = s[:-2]
else:
smooth = False
if s[-1] == "c": # Close
s = s[:-2]
points = s.split(" ")
for ix, position in enumerate(points):
p = Point()
p._contour = contour
p.x, p.y = [float(pos) for pos in position.split(" ")]
if len(points) == 1:
p.type = "line"
elif ix == 2:
p.type = "curve"
else:
p.type = "offcurve"
if ix == len(points) - 1 and smooth:
p.smooth = True
else:
p.smooth = False
contour._points.append(p)
if len(contour._points) and contour._points[-1].type == "offcurve":
contour._points[0].type = "curve"
contour._correct_direction()
return contour
def _load_gspath(gspath, glyph):
contour = Contour()
contour._glyph = glyph
contour._points = [_load_gspoint(p, contour) for p in gspath.nodes]
contour._clockwise = gspath.direction == 1
return contour
def _load_dccontour(dccontour, glyph):
contour = Contour()
contour._glyph = glyph
contour._points = [_load_dcpoint(p, contour) for p in dccontour]
contour.clockwise = dccontour.clockwise
return contour