def width(self, text):
seg = gr.Segment(self.font,
self.grface,
self.script,
text,
self.rtl,
feats=self.feats)
return seg.advance[0]
def glyphs(self, text, includewidth=False):
seg = gr.Segment(self.font,
self.grface,
self.script,
text,
self.rtl,
feats=self.feats)
res = []
for s in seg.slots:
res.append((s.gid, s.origin, seg.cinfo(s.original).unicode))
if includewidth: res.append((None, seg.advance))
return res
def glyphs(self, text, includewidth = False, feats = None, rtl = None, lang = None, **kw) :
if feats is None:
feats = self.feats
else:
feats = self._featureval(feats, lang if lang is not None else self.lang)
if rtl is None:
rtl = self.rtl
seg = gr.Segment(self.font, self.grface, self.script, str(text), rtl, feats = feats)
res = []
for s in seg.slots :
res.append((s.gid, s.origin, seg.cinfo(s.original).unicode))
if includewidth : res.append((None, seg.advance))
return res
def measure(self, text, after = False) :
"""Returns a list of x positions for before/after the indexth character and
a list of breakweights"""
seg = gr.Segment(self.font, self.grface, self.script, str(text), self.rtl, feats = self.feats)
num = seg.num_cinfo()
pos = []
bw = []
for i in range(num) :
c = seg.cinfo(i)
bw.append(c.breakweight)
if after :
s = c.slots[c.after]
else :
s = c.slots[c.before]
pos.append(s.origin[0])
return (pos, bw)
from palaso.font.icule import TTXLEFont
import icu
icufont = TTXLEFont(sys.argv[1], ttx=tt)
iculayout = icu.LayoutEngine(
icufont,
icu.ScriptCodes.index(opts.script) if opts.script else 0, 0)
lf = codecs.open(sys.argv[2], "r", "utf_8")
count = 0
for line in lf.readlines():
count += 1
text = line.strip()
b = hbng.Buffer(text)
b.shape(hbfont, shapers=["ot"])
hbres = [x.gid for x in b.glyphs]
s = gr.Segment(grfont, grface, 0, text, 0)
grres = [x.gid for x in s.slots]
if opts.compare == 'graphite':
if hbres != grres:
hbnres = [tt.getGlyphName(x) for x in hbres]
grnres = [tt.getGlyphName(x) for x in grres]
print("Failed at line %d: %s %r, %r" %
(count, text.encode('utf_8'), hbnres, grnres))
elif opts.compare == "icu":
iculayout.layoutChars(text, 0)
icures = filter(lambda x: x != 65535, list(iculayout.getGlyphs()))
if hbres != icures:
hbnres = [tt.getGlyphName(x) for x in hbres]
icunres = [tt.getGlyphName(x) for x in icures]
print("Failed at line %d: %s %r, %r" %
(count, text.encode('utf_8'), hbnres, icunres))
