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import os
from glob import glob
from io import BytesIO
from fontTools.ttLib import TTFont
from ttfautohint import ttfautohint
import pytest
DATA = os.path.join(os.path.dirname(__file__), "data")
UNHINTED_TTFS = glob(os.path.join(DATA, "*.ttf"))
GLOBAL_HINTING_TABLES = ["fpgm", "prep", "cvt ", "gasp"]
def autohint_font(ttfont, **options):
buf = BytesIO()
ttfont.save(buf)
data = ttfautohint(in_buffer=buf.getvalue(), **options)
return TTFont(BytesIO(data))
@pytest.fixture(
params=UNHINTED_TTFS,
ids=lambda p: os.path.basename(p)
)
def unhinted(request):
return TTFont(request.param)
class TestTTFAutohint(object):
def test_simple(self, unhinted):
for tag in GLOBAL_HINTING_TABLES:
assert tag not in unhinted
assert not unhinted["glyf"]["a"].program
nameID5 = unhinted["name"].getName(5, 3, 1).toUnicode()
assert u"; ttfautohint" not in nameID5
hinted = autohint_font(unhinted)
for tag in GLOBAL_HINTING_TABLES:
assert tag in hinted
assert hinted["glyf"]["a"].program
nameID5 = hinted["name"].getName(5, 3, 1).toUnicode()
assert u"; ttfautohint" in nameID5
def test_in_and_out_file_paths(self, tmpdir, unhinted):
in_file = tmpdir / "unhinted.ttf"
out_file = tmpdir / "hinted.ttf"
with in_file.open("wb") as f:
unhinted.save(f)
n = ttfautohint(in_file=str(in_file), out_file=str(out_file))
assert n > 0
def test_no_info(self, unhinted):
hinted = autohint_font(unhinted, no_info=True)
nameID5 = hinted["name"].getName(5, 3, 1).toUnicode()
assert u"; ttfautohint" not in nameID5
def test_detailed_info(self, unhinted):
hinted = autohint_font(unhinted, detailed_info=True)
nameID5 = hinted["name"].getName(5, 3, 1).toUnicode()
assert u"; ttfautohint" in nameID5
assert (
u' -l 8 -r 50 -G 200 -x 14 -D latn -f none -a qsq -X ""'
in nameID5)
def test_family_suffix(self, unhinted):
suffix = " Hinted"
hinted = autohint_font(unhinted, family_suffix=suffix)
nametable = hinted["name"]
nameID1 = nametable.getName(1, 3, 1).toUnicode()
assert nameID1.endswith(suffix)
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