blob: 9495f3264abda266ffdd83dddf4bcbd9b122eeb0 [file] [log] [blame]
from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools import subset
from fontTools.ttLib import TTFont, newTable
from fontTools.misc.loggingTools import CapturingLogHandler
import difflib
import logging
import os
import shutil
import sys
import tempfile
import unittest
class SubsetTest(unittest.TestCase):
def __init__(self, methodName):
unittest.TestCase.__init__(self, methodName)
# Python 3 renamed assertRaisesRegexp to assertRaisesRegex,
# and fires deprecation warnings if a program uses the old name.
if not hasattr(self, "assertRaisesRegex"):
self.assertRaisesRegex = self.assertRaisesRegexp
def setUp(self):
self.tempdir = None
self.num_tempfiles = 0
def tearDown(self):
if self.tempdir:
shutil.rmtree(self.tempdir)
@staticmethod
def getpath(testfile):
path, _ = os.path.split(__file__)
return os.path.join(path, "data", testfile)
def temp_path(self, suffix):
if not self.tempdir:
self.tempdir = tempfile.mkdtemp()
self.num_tempfiles += 1
return os.path.join(self.tempdir,
"tmp%d%s" % (self.num_tempfiles, suffix))
def read_ttx(self, path):
lines = []
with open(path, "r", encoding="utf-8") as ttx:
for line in ttx.readlines():
# Elide ttFont attributes because ttLibVersion may change,
# and use os-native line separators so we can run difflib.
if line.startswith("<ttFont "):
lines.append("<ttFont>" + os.linesep)
else:
lines.append(line.rstrip() + os.linesep)
return lines
def expect_ttx(self, font, expected_ttx, tables):
path = self.temp_path(suffix=".ttx")
font.saveXML(path, tables=tables)
actual = self.read_ttx(path)
expected = self.read_ttx(expected_ttx)
if actual != expected:
for line in difflib.unified_diff(
expected, actual, fromfile=expected_ttx, tofile=path):
sys.stdout.write(line)
self.fail("TTX output is different from expected")
def compile_font(self, path, suffix):
savepath = self.temp_path(suffix=suffix)
font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
font.importXML(path)
font.save(savepath, reorderTables=None)
return font, savepath
# -----
# Tests
# -----
def test_no_notdef_outline_otf(self):
_, fontpath = self.compile_font(self.getpath("TestOTF-Regular.ttx"), ".otf")
subsetpath = self.temp_path(".otf")
subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_otf.ttx"), ["CFF "])
def test_no_notdef_outline_cid(self):
_, fontpath = self.compile_font(self.getpath("TestCID-Regular.ttx"), ".otf")
subsetpath = self.temp_path(".otf")
subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_cid.ttx"), ["CFF "])
def test_no_notdef_outline_ttf(self):
_, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_ttf.ttx"), ["glyf", "hmtx"])
def test_subset_ankr(self):
_, fontpath = self.compile_font(self.getpath("TestANKR.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_ankr.ttx"), ["ankr"])
def test_subset_ankr_remove(self):
_, fontpath = self.compile_font(self.getpath("TestANKR.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=two", "--output-file=%s" % subsetpath])
self.assertNotIn("ankr", TTFont(subsetpath))
def test_subset_bsln_format_0(self):
_, fontpath = self.compile_font(self.getpath("TestBSLN-0.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_bsln_0.ttx"), ["bsln"])
def test_subset_bsln_format_0_from_format_1(self):
# TestBSLN-1 defines the ideographic baseline to be the font's default,
# and specifies that glyphs {.notdef, zero, one, two} use the roman
# baseline instead of the default ideographic baseline. As we request
# a subsetted font with {zero, one} and the implicit .notdef, all
# glyphs in the resulting font use the Roman baseline. In this case,
# we expect a format 0 'bsln' table because it is the most compact.
_, fontpath = self.compile_font(self.getpath("TestBSLN-1.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0030-0031",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_bsln_0.ttx"), ["bsln"])
def test_subset_bsln_format_1(self):
# TestBSLN-1 defines the ideographic baseline to be the font's default,
# and specifies that glyphs {.notdef, zero, one, two} use the roman
# baseline instead of the default ideographic baseline. We request
# a subset where the majority of glyphs use the roman baseline,
# but one single glyph (uni2EA2) is ideographic. In the resulting
# subsetted font, we expect a format 1 'bsln' table whose default
# is Roman, but with an override that uses the ideographic baseline
# for uni2EA2.
_, fontpath = self.compile_font(self.getpath("TestBSLN-1.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0030-0031,U+2EA2",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_bsln_1.ttx"), ["bsln"])
def test_subset_bsln_format_2(self):
# The 'bsln' table in TestBSLN-2 refers to control points in glyph 'P'
# for defining its baselines. Therefore, the subsetted font should
# include this glyph even though it is not requested explicitly.
_, fontpath = self.compile_font(self.getpath("TestBSLN-2.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_bsln_2.ttx"), ["bsln"])
def test_subset_bsln_format_2_from_format_3(self):
# TestBSLN-3 defines the ideographic baseline to be the font's default,
# and specifies that glyphs {.notdef, zero, one, two, P} use the roman
# baseline instead of the default ideographic baseline. As we request
# a subsetted font with zero and the implicit .notdef and P for
# baseline measurement, all glyphs in the resulting font use the Roman
# baseline. In this case, we expect a format 2 'bsln' table because it
# is the most compact encoding.
_, fontpath = self.compile_font(self.getpath("TestBSLN-3.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0030",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_bsln_2.ttx"), ["bsln"])
def test_subset_bsln_format_3(self):
# TestBSLN-3 defines the ideographic baseline to be the font's default,
# and specifies that glyphs {.notdef, zero, one, two} use the roman
# baseline instead of the default ideographic baseline. We request
# a subset where the majority of glyphs use the roman baseline,
# but one single glyph (uni2EA2) is ideographic. In the resulting
# subsetted font, we expect a format 1 'bsln' table whose default
# is Roman, but with an override that uses the ideographic baseline
# for uni2EA2.
_, fontpath = self.compile_font(self.getpath("TestBSLN-3.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0030-0031,U+2EA2",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_bsln_3.ttx"), ["bsln"])
def test_subset_clr(self):
_, fontpath = self.compile_font(self.getpath("TestCLR-Regular.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=smileface", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_keep_colr.ttx"), ["GlyphOrder", "hmtx", "glyf", "COLR", "CPAL"])
def test_subset_gvar(self):
_, fontpath = self.compile_font(self.getpath("TestGVAR.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+002B,U+2212", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_keep_gvar.ttx"), ["GlyphOrder", "avar", "fvar", "gvar", "name"])
def test_subset_gvar_notdef_outline(self):
_, fontpath = self.compile_font(self.getpath("TestGVAR.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0030", "--notdef_outline", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_keep_gvar_notdef_outline.ttx"), ["GlyphOrder", "avar", "fvar", "gvar", "name"])
def test_subset_lcar_remove(self):
_, fontpath = self.compile_font(self.getpath("TestLCAR-0.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.assertNotIn("lcar", subsetfont)
def test_subset_lcar_format_0(self):
_, fontpath = self.compile_font(self.getpath("TestLCAR-0.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+FB01",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_lcar_0.ttx"), ["lcar"])
def test_subset_lcar_format_1(self):
_, fontpath = self.compile_font(self.getpath("TestLCAR-1.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+FB01",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_lcar_1.ttx"), ["lcar"])
def test_subset_math(self):
_, fontpath = self.compile_font(self.getpath("TestMATH-Regular.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0041,U+0028,U+0302,U+1D400,U+1D435", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_keep_math.ttx"), ["GlyphOrder", "CFF ", "MATH", "hmtx"])
def test_subset_math_partial(self):
_, fontpath = self.compile_font(self.getpath("test_math_partial.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--text=A", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_math_partial.ttx"), ["MATH"])
def test_subset_opbd_remove(self):
# In the test font, only the glyphs 'A' and 'zero' have an entry in
# the Optical Bounds table. When subsetting, we do not request any
# of those glyphs. Therefore, the produced subsetted font should
# not contain an 'opbd' table.
_, fontpath = self.compile_font(self.getpath("TestOPBD-0.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.assertNotIn("opbd", subsetfont)
def test_subset_opbd_format_0(self):
_, fontpath = self.compile_font(self.getpath("TestOPBD-0.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=A", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_opbd_0.ttx"), ["opbd"])
def test_subset_opbd_format_1(self):
_, fontpath = self.compile_font(self.getpath("TestOPBD-1.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--glyphs=A", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_opbd_1.ttx"), ["opbd"])
def test_subset_prop_remove_default_zero(self):
# If all glyphs have an AAT glyph property with value 0,
# the "prop" table should be removed from the subsetted font.
_, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0041",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.assertNotIn("prop", subsetfont)
def test_subset_prop_0(self):
# If all glyphs share the same AAT glyph properties, the "prop" table
# in the subsetted font should use format 0.
#
# Unless the shared value is zero, in which case the subsetted font
# should have no "prop" table at all. But that case has already been
# tested above in test_subset_prop_remove_default_zero().
_, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0030-0032", "--no-notdef-glyph",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_prop_0.ttx"), ["prop"])
def test_subset_prop_1(self):
# If not all glyphs share the same AAT glyph properties, the subsetted
# font should contain a "prop" table in format 1. To save space, the
# DefaultProperties should be set to the most frequent value.
_, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=U+0030-0032", "--notdef-outline",
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_prop_1.ttx"), ["prop"])
def test_options(self):
# https://github.com/fonttools/fonttools/issues/413
opt1 = subset.Options()
self.assertTrue('Xyz-' not in opt1.layout_features)
opt2 = subset.Options()
opt2.layout_features.append('Xyz-')
self.assertTrue('Xyz-' in opt2.layout_features)
self.assertTrue('Xyz-' not in opt1.layout_features)
def test_google_color(self):
_, fontpath = self.compile_font(self.getpath("google_color.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--gids=0,1", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.assertTrue("CBDT" in subsetfont)
self.assertTrue("CBLC" in subsetfont)
self.assertTrue("x" in subsetfont['CBDT'].strikeData[0])
self.assertFalse("y" in subsetfont['CBDT'].strikeData[0])
def test_google_color_all(self):
_, fontpath = self.compile_font(self.getpath("google_color.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--unicodes=*", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.assertTrue("x" in subsetfont['CBDT'].strikeData[0])
self.assertTrue("y" in subsetfont['CBDT'].strikeData[0])
def test_sbix(self):
_, fontpath = self.compile_font(self.getpath("sbix.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--gids=0,1", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath(
"expect_sbix.ttx"), ["sbix"])
def test_timing_publishes_parts(self):
_, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
options = subset.Options()
options.timing = True
subsetter = subset.Subsetter(options)
subsetter.populate(text='ABC')
font = TTFont(fontpath)
with CapturingLogHandler('fontTools.subset.timer', logging.DEBUG) as captor:
subsetter.subset(font)
logs = captor.records
self.assertTrue(len(logs) > 5)
self.assertEqual(len(logs), len([l for l in logs if 'msg' in l.args and 'time' in l.args]))
# Look for a few things we know should happen
self.assertTrue(filter(lambda l: l.args['msg'] == "load 'cmap'", logs))
self.assertTrue(filter(lambda l: l.args['msg'] == "subset 'cmap'", logs))
self.assertTrue(filter(lambda l: l.args['msg'] == "subset 'glyf'", logs))
def test_passthrough_tables(self):
_, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
font = TTFont(fontpath)
unknown_tag = 'ZZZZ'
unknown_table = newTable(unknown_tag)
unknown_table.data = b'\0'*10
font[unknown_tag] = unknown_table
font.save(fontpath)
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
# tables we can't subset are dropped by default
self.assertFalse(unknown_tag in subsetfont)
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--passthrough-tables", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
# unknown tables are kept if --passthrough-tables option is passed
self.assertTrue(unknown_tag in subsetfont)
def test_non_BMP_text_arg_input(self):
_, fontpath = self.compile_font(
self.getpath("TestTTF-Regular_non_BMP_char.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
text = tostr(u"A\U0001F6D2", encoding='utf-8')
subset.main([fontpath, "--text=%s" % text, "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.assertEqual(subsetfont['maxp'].numGlyphs, 3)
self.assertEqual(subsetfont.getGlyphOrder(), ['.notdef', 'A', 'u1F6D2'])
def test_non_BMP_text_file_input(self):
_, fontpath = self.compile_font(
self.getpath("TestTTF-Regular_non_BMP_char.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
text = tobytes(u"A\U0001F6D2", encoding='utf-8')
with tempfile.NamedTemporaryFile(delete=False) as tmp:
tmp.write(text)
try:
subset.main([fontpath, "--text-file=%s" % tmp.name,
"--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
finally:
os.remove(tmp.name)
self.assertEqual(subsetfont['maxp'].numGlyphs, 3)
self.assertEqual(subsetfont.getGlyphOrder(), ['.notdef', 'A', 'u1F6D2'])
def test_no_hinting_CFF(self):
ttxpath = self.getpath("Lobster.subset.ttx")
_, fontpath = self.compile_font(ttxpath, ".otf")
subsetpath = self.temp_path(".otf")
subset.main([fontpath, "--no-hinting", "--notdef-outline",
"--output-file=%s" % subsetpath, "*"])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath(
"expect_no_hinting_CFF.ttx"), ["CFF "])
def test_desubroutinize_CFF(self):
ttxpath = self.getpath("Lobster.subset.ttx")
_, fontpath = self.compile_font(ttxpath, ".otf")
subsetpath = self.temp_path(".otf")
subset.main([fontpath, "--desubroutinize", "--notdef-outline",
"--output-file=%s" % subsetpath, "*"])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath(
"expect_desubroutinize_CFF.ttx"), ["CFF "])
def test_desubroutinize_hinted_subrs_CFF(self):
ttxpath = self.getpath("test_hinted_subrs_CFF.ttx")
_, fontpath = self.compile_font(ttxpath, ".otf")
subsetpath = self.temp_path(".otf")
subset.main([fontpath, "--desubroutinize", "--notdef-outline",
"--output-file=%s" % subsetpath, "*"])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath(
"test_hinted_subrs_CFF.desub.ttx"), ["CFF "])
def test_desubroutinize_cntrmask_CFF(self):
ttxpath = self.getpath("test_cntrmask_CFF.ttx")
_, fontpath = self.compile_font(ttxpath, ".otf")
subsetpath = self.temp_path(".otf")
subset.main([fontpath, "--desubroutinize", "--notdef-outline",
"--output-file=%s" % subsetpath, "*"])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath(
"test_cntrmask_CFF.desub.ttx"), ["CFF "])
def test_no_hinting_desubroutinize_CFF(self):
ttxpath = self.getpath("test_hinted_subrs_CFF.ttx")
_, fontpath = self.compile_font(ttxpath, ".otf")
subsetpath = self.temp_path(".otf")
subset.main([fontpath, "--no-hinting", "--desubroutinize", "--notdef-outline",
"--output-file=%s" % subsetpath, "*"])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath(
"expect_no_hinting_desubroutinize_CFF.ttx"), ["CFF "])
def test_no_hinting_TTF(self):
_, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--no-hinting", "--notdef-outline",
"--output-file=%s" % subsetpath, "*"])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath(
"expect_no_hinting_TTF.ttx"), ["glyf", "maxp"])
for tag in subset.Options().hinting_tables:
self.assertTrue(tag not in subsetfont)
def test_notdef_width_cid(self):
# https://github.com/fonttools/fonttools/pull/845
_, fontpath = self.compile_font(self.getpath("NotdefWidthCID-Regular.ttx"), ".otf")
subsetpath = self.temp_path(".otf")
subset.main([fontpath, "--no-notdef-outline", "--gids=0,1", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_notdef_width_cid.ttx"), ["CFF "])
def test_recalc_bounds_ttf(self):
ttxpath = self.getpath("TestTTF-Regular.ttx")
font = TTFont()
font.importXML(ttxpath)
head = font['head']
bounds = [head.xMin, head.yMin, head.xMax, head.yMax]
_, fontpath = self.compile_font(ttxpath, ".ttf")
subsetpath = self.temp_path(".ttf")
# by default, the subsetter does not recalculate the bounding box
subset.main([fontpath, "--output-file=%s" % subsetpath, "*"])
head = TTFont(subsetpath)['head']
self.assertEqual(bounds, [head.xMin, head.yMin, head.xMax, head.yMax])
subset.main([fontpath, "--recalc-bounds", "--output-file=%s" % subsetpath, "*"])
head = TTFont(subsetpath)['head']
bounds = [132, 304, 365, 567]
self.assertEqual(bounds, [head.xMin, head.yMin, head.xMax, head.yMax])
def test_recalc_bounds_otf(self):
ttxpath = self.getpath("TestOTF-Regular.ttx")
font = TTFont()
font.importXML(ttxpath)
head = font['head']
bounds = [head.xMin, head.yMin, head.xMax, head.yMax]
_, fontpath = self.compile_font(ttxpath, ".otf")
subsetpath = self.temp_path(".otf")
# by default, the subsetter does not recalculate the bounding box
subset.main([fontpath, "--output-file=%s" % subsetpath, "*"])
head = TTFont(subsetpath)['head']
self.assertEqual(bounds, [head.xMin, head.yMin, head.xMax, head.yMax])
subset.main([fontpath, "--recalc-bounds", "--output-file=%s" % subsetpath, "*"])
head = TTFont(subsetpath)['head']
bounds = [132, 304, 365, 567]
self.assertEqual(bounds, [head.xMin, head.yMin, head.xMax, head.yMax])
def test_recalc_timestamp_ttf(self):
ttxpath = self.getpath("TestTTF-Regular.ttx")
font = TTFont()
font.importXML(ttxpath)
modified = font['head'].modified
_, fontpath = self.compile_font(ttxpath, ".ttf")
subsetpath = self.temp_path(".ttf")
# by default, the subsetter does not recalculate the modified timestamp
subset.main([fontpath, "--output-file=%s" % subsetpath, "*"])
self.assertEqual(modified, TTFont(subsetpath)['head'].modified)
subset.main([fontpath, "--recalc-timestamp", "--output-file=%s" % subsetpath, "*"])
self.assertLess(modified, TTFont(subsetpath)['head'].modified)
def test_recalc_timestamp_otf(self):
ttxpath = self.getpath("TestOTF-Regular.ttx")
font = TTFont()
font.importXML(ttxpath)
modified = font['head'].modified
_, fontpath = self.compile_font(ttxpath, ".otf")
subsetpath = self.temp_path(".otf")
# by default, the subsetter does not recalculate the modified timestamp
subset.main([fontpath, "--output-file=%s" % subsetpath, "*"])
self.assertEqual(modified, TTFont(subsetpath)['head'].modified)
subset.main([fontpath, "--recalc-timestamp", "--output-file=%s" % subsetpath, "*"])
self.assertLess(modified, TTFont(subsetpath)['head'].modified)
def test_recalc_max_context(self):
ttxpath = self.getpath("Lobster.subset.ttx")
font = TTFont()
font.importXML(ttxpath)
max_context = font['OS/2'].usMaxContext
_, fontpath = self.compile_font(ttxpath, ".otf")
subsetpath = self.temp_path(".otf")
# by default, the subsetter does not recalculate the usMaxContext
subset.main([fontpath, "--drop-tables+=GSUB,GPOS",
"--output-file=%s" % subsetpath])
self.assertEqual(max_context, TTFont(subsetpath)['OS/2'].usMaxContext)
subset.main([fontpath, "--recalc-max-context",
"--drop-tables+=GSUB,GPOS",
"--output-file=%s" % subsetpath])
self.assertEqual(0, TTFont(subsetpath)['OS/2'].usMaxContext)
def test_retain_gids_ttf(self):
_, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
font = TTFont(fontpath)
self.assertEqual(font["hmtx"]["A"], (500, 132))
self.assertEqual(font["hmtx"]["B"], (400, 132))
self.assertGreater(font["glyf"]["A"].numberOfContours, 0)
self.assertGreater(font["glyf"]["B"].numberOfContours, 0)
subsetpath = self.temp_path(".ttf")
subset.main(
[
fontpath,
"--retain-gids",
"--output-file=%s" % subsetpath,
"--glyph-names",
"B",
]
)
subsetfont = TTFont(subsetpath)
self.assertEqual(subsetfont.getGlyphOrder(), font.getGlyphOrder()[0:3])
hmtx = subsetfont["hmtx"]
self.assertEqual(hmtx["A"], ( 0, 0))
self.assertEqual(hmtx["B"], (400, 132))
glyf = subsetfont["glyf"]
self.assertEqual(glyf["A"].numberOfContours, 0)
self.assertGreater(glyf["B"].numberOfContours, 0)
def test_retain_gids_cff(self):
_, fontpath = self.compile_font(self.getpath("TestOTF-Regular.ttx"), ".otf")
font = TTFont(fontpath)
self.assertEqual(font["hmtx"]["A"], (500, 132))
self.assertEqual(font["hmtx"]["B"], (400, 132))
self.assertEqual(font["hmtx"]["C"], (500, 0))
font["CFF "].cff[0].decompileAllCharStrings()
cs = font["CFF "].cff[0].CharStrings
self.assertGreater(len(cs["A"].program), 0)
self.assertGreater(len(cs["B"].program), 0)
self.assertGreater(len(cs["C"].program), 0)
subsetpath = self.temp_path(".otf")
subset.main(
[
fontpath,
"--retain-gids",
"--output-file=%s" % subsetpath,
"--glyph-names",
"B",
]
)
subsetfont = TTFont(subsetpath)
self.assertEqual(subsetfont.getGlyphOrder(), font.getGlyphOrder()[0:3])
hmtx = subsetfont["hmtx"]
self.assertEqual(hmtx["A"], (0, 0))
self.assertEqual(hmtx["B"], (400, 132))
subsetfont["CFF "].cff[0].decompileAllCharStrings()
cs = subsetfont["CFF "].cff[0].CharStrings
self.assertEqual(cs["A"].program, ["endchar"])
self.assertGreater(len(cs["B"].program), 0)
def test_retain_gids_cff2(self):
ttx_path = self.getpath("../../varLib/data/master_ttx_varfont_otf/TestCFF2VF.ttx")
font, fontpath = self.compile_font(ttx_path, ".otf")
self.assertEqual(font["hmtx"]["A"], (600, 31))
self.assertEqual(font["hmtx"]["T"], (600, 41))
font["CFF2"].cff[0].decompileAllCharStrings()
cs = font["CFF2"].cff[0].CharStrings
self.assertGreater(len(cs["A"].program), 0)
self.assertGreater(len(cs["T"].program), 0)
subsetpath = self.temp_path(".otf")
subset.main(
[
fontpath,
"--retain-gids",
"--output-file=%s" % subsetpath,
"T",
]
)
subsetfont = TTFont(subsetpath)
self.assertEqual(len(subsetfont.getGlyphOrder()), len(font.getGlyphOrder()[0:3]))
hmtx = subsetfont["hmtx"]
self.assertEqual(hmtx["glyph00001"], ( 0, 0))
self.assertEqual(hmtx["T"], (600, 41))
subsetfont["CFF2"].cff[0].decompileAllCharStrings()
cs = subsetfont["CFF2"].cff[0].CharStrings
self.assertEqual(cs["glyph00001"].program, [])
self.assertGreater(len(cs["T"].program), 0)
def test_HVAR_VVAR(self):
_, fontpath = self.compile_font(self.getpath("TestHVVAR.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--text=BD", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_HVVAR.ttx"), ["GlyphOrder", "HVAR", "VVAR", "avar", "fvar"])
def test_HVAR_VVAR_retain_gids(self):
_, fontpath = self.compile_font(self.getpath("TestHVVAR.ttx"), ".ttf")
subsetpath = self.temp_path(".ttf")
subset.main([fontpath, "--text=BD", "--retain-gids", "--output-file=%s" % subsetpath])
subsetfont = TTFont(subsetpath)
self.expect_ttx(subsetfont, self.getpath("expect_HVVAR_retain_gids.ttx"), ["GlyphOrder", "HVAR", "VVAR", "avar", "fvar"])
def test_subset_flavor(self):
_, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
font = TTFont(fontpath)
woff_path = self.temp_path(".woff")
subset.main(
[
fontpath,
"*",
"--flavor=woff",
"--output-file=%s" % woff_path,
]
)
woff = TTFont(woff_path)
self.assertEqual(woff.flavor, "woff")
woff2_path = self.temp_path(".woff2")
subset.main(
[
woff_path,
"*",
"--flavor=woff2",
"--output-file=%s" % woff2_path,
]
)
woff2 = TTFont(woff2_path)
self.assertEqual(woff2.flavor, "woff2")
ttf_path = self.temp_path(".ttf")
subset.main(
[
woff2_path,
"*",
"--output-file=%s" % ttf_path,
]
)
ttf = TTFont(ttf_path)
self.assertEqual(ttf.flavor, None)
if __name__ == "__main__":
sys.exit(unittest.main())