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[statisticsPen] Add -q,--quiet

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This commit is contained in:
Behdad Esfahbod 2023-07-24 12:53:15 -06:00
parent 050370764a
commit 20585ac05b
1 changed files with 19 additions and 12 deletions
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31
Lib/fontTools/pens/statisticsPen.py
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@ -71,24 +71,33 @@ class StatisticsPen(MomentsPen):
self.slant = slant if abs(slant) > 1e-3 else 0
def _test(glyphset, upem, glyphs):
def _test(glyphset, upem, glyphs, quiet=False):
from fontTools.pens.transformPen import TransformPen
from fontTools.misc.transform import Scale
print("upem", upem)
wght_sum = 0
wght_sum_perceptual = 0
wdth_sum = 0
slnt_sum = 0
slnt_sum_perceptual = 0
for glyph_name in glyphs:
print()
print("glyph:", glyph_name)
glyph = glyphset[glyph_name]
pen = StatisticsPen(glyphset=glyphset)
transformer = TransformPen(pen, Scale(1.0 / upem))
glyph.draw(transformer)
wght_sum += abs(pen.area)
wght_sum_perceptual += abs(pen.area) * glyph.width
wdth_sum += glyph.width
slnt_sum += pen.slant
slnt_sum_perceptual += pen.slant * glyph.width
if quiet:
continue
print()
print("glyph:", glyph_name)
for item in [
"area",
"momentX",
@ -108,13 +117,10 @@ def _test(glyphset, upem, glyphs):
]:
print("%s: %g" % (item, getattr(pen, item)))
wght_sum += abs(pen.area)
wght_sum_perceptual += abs(pen.area) * glyph.width
wdth_sum += glyph.width
slnt_sum += pen.slant
slnt_sum_perceptual += pen.slant * glyph.width
if not quiet:
print()
print("font:")
print()
print("weight: %g" % (wght_sum * upem / wdth_sum))
print("weight (perceptual): %g" % (wght_sum_perceptual / wdth_sum))
print("width: %g" % (wdth_sum / upem / len(glyphs)))
@ -142,6 +148,7 @@ def main(args):
parser.add_argument("font", metavar="font.ttf", help="Font file.")
parser.add_argument("glyphs", metavar="glyph-name", help="Glyph names.", nargs="*")
parser.add_argument("-y", metavar="<number>", help="Face index into a collection to open. Zero based.")
parser.add_argument("-q", "--quiet", action="store_true", help="Only report font-wide statistics.")
parser.add_argument(
"--variations",
metavar="AXIS=LOC",
@ -169,7 +176,7 @@ def main(args):
font = TTFont(options.font, fontNumber=fontNumber)
if not glyphs:
glyphs = font.getGlyphOrder()
_test(font.getGlyphSet(location=location), font["head"].unitsPerEm, glyphs)
_test(font.getGlyphSet(location=location), font["head"].unitsPerEm, glyphs, quiet=options.quiet)
if __name__ == "__main__":