from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools.ttLib import TTFont
from fontTools.varLib import build
from fontTools.varLib.interpolate_layout import interpolate_layout
from fontTools.varLib.interpolate_layout import main as interpolate_layout_main
from fontTools.designspaceLib import DesignSpaceDocument, DesignSpaceDocumentError
from fontTools.feaLib.builder import addOpenTypeFeaturesFromString
import difflib
import os
import shutil
import sys
import tempfile
import unittest
class InterpolateLayoutTest(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 get_test_input(test_file_or_folder):
path, _ = os.path.split(__file__)
return os.path.join(path, "data", test_file_or_folder)
@staticmethod
def get_test_output(test_file_or_folder):
path, _ = os.path.split(__file__)
return os.path.join(path, "data", "test_results", test_file_or_folder)
@staticmethod
def get_file_list(folder, suffix, prefix=''):
all_files = os.listdir(folder)
file_list = []
for p in all_files:
if p.startswith(prefix) and p.endswith(suffix):
file_list.append(os.path.abspath(os.path.join(folder, p)))
return file_list
def temp_path(self, suffix):
self.temp_dir()
self.num_tempfiles += 1
return os.path.join(self.tempdir,
"tmp%d%s" % (self.num_tempfiles, suffix))
def temp_dir(self):
if not self.tempdir:
self.tempdir = tempfile.mkdtemp()
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 check_ttx_dump(self, font, expected_ttx, tables, suffix):
"""Ensure the TTX dump is the same after saving and reloading the font."""
path = self.temp_path(suffix=suffix)
font.save(path)
self.expect_ttx(TTFont(path), expected_ttx, tables)
def compile_font(self, path, suffix, temp_dir, features=None):
ttx_filename = os.path.basename(path)
savepath = os.path.join(temp_dir, ttx_filename.replace('.ttx', suffix))
font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
font.importXML(path)
if features:
addOpenTypeFeaturesFromString(font, features)
font.save(savepath, reorderTables=None)
return font, savepath
# -----
# Tests
# -----
def test_varlib_interpolate_layout_GSUB_only_ttf(self):
"""Only GSUB, and only in the base master.
The variable font will inherit the GSUB table from the
base master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for path in ttx_paths:
self.compile_font(path, suffix, self.tempdir)
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GSUB']
expected_ttx_path = self.get_test_output('InterpolateLayout.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_no_GSUB_ttf(self):
"""The base master has no GSUB table.
The variable font will end up without a GSUB table.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout2.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for path in ttx_paths:
self.compile_font(path, suffix, self.tempdir)
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GSUB']
expected_ttx_path = self.get_test_output('InterpolateLayout2.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GSUB_only_no_axes_ttf(self):
"""Only GSUB, and only in the base master.
Designspace file has no <axes> element.
The variable font will inherit the GSUB table from the
base master.
"""
ds_path = self.get_test_input('InterpolateLayout3.designspace')
with self.assertRaisesRegex(DesignSpaceDocumentError, "No axes defined"):
instfont = interpolate_layout(ds_path, {'weight': 500})
def test_varlib_interpolate_layout_GPOS_only_size_feat_same_val_ttf(self):
"""Only GPOS; 'size' feature; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
feature size {
parameters 10.0 0;
} size;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_size_feat_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_1_same_val_ttf(self):
"""Only GPOS; LookupType 1; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
feature xxxx {
pos A <-80 0 -160 0>;
} xxxx;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_1_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_1_diff_val_ttf(self):
"""Only GPOS; LookupType 1; different values in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
feature xxxx {
pos A <-80 0 -160 0>;
} xxxx;
"""
fea_str_1 = """
feature xxxx {
pos A <-97 0 -195 0>;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_1_diff.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_1_diff2_val_ttf(self):
"""Only GPOS; LookupType 1; different values and items in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
feature xxxx {
pos A <-80 0 -160 0>;
pos a <-55 0 -105 0>;
} xxxx;
"""
fea_str_1 = """
feature xxxx {
pos A <-97 0 -195 0>;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_1_diff2.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_2_spec_pairs_same_val_ttf(self):
"""Only GPOS; LookupType 2 specific pairs; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
feature xxxx {
pos A a -53;
} xxxx;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_2_spec_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_2_spec_pairs_diff_val_ttf(self):
"""Only GPOS; LookupType 2 specific pairs; different values in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
feature xxxx {
pos A a -53;
} xxxx;
"""
fea_str_1 = """
feature xxxx {
pos A a -27;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_2_spec_diff.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_2_spec_pairs_diff2_val_ttf(self):
"""Only GPOS; LookupType 2 specific pairs; different values and items in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
feature xxxx {
pos A a -53;
} xxxx;
"""
fea_str_1 = """
feature xxxx {
pos A a -27;
pos a a 19;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_2_spec_diff2.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_2_class_pairs_same_val_ttf(self):
"""Only GPOS; LookupType 2 class pairs; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
feature xxxx {
pos [A] [a] -53;
} xxxx;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_2_class_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_2_class_pairs_diff_val_ttf(self):
"""Only GPOS; LookupType 2 class pairs; different values in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
feature xxxx {
pos [A] [a] -53;
} xxxx;
"""
fea_str_1 = """
feature xxxx {
pos [A] [a] -27;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_2_class_diff.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_2_class_pairs_diff2_val_ttf(self):
"""Only GPOS; LookupType 2 class pairs; different values and items in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
feature xxxx {
pos [A] [a] -53;
} xxxx;
"""
fea_str_1 = """
feature xxxx {
pos [A] [a] -27;
pos [a] [a] 19;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_2_class_diff2.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_3_same_val_ttf(self):
"""Only GPOS; LookupType 3; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
feature xxxx {
pos cursive a <anchor 60 15> <anchor 405 310>;
} xxxx;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_3_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_3_diff_val_ttf(self):
"""Only GPOS; LookupType 3; different values in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
feature xxxx {
pos cursive a <anchor 60 15> <anchor 405 310>;
} xxxx;
"""
fea_str_1 = """
feature xxxx {
pos cursive a <anchor 38 42> <anchor 483 279>;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_3_diff.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_4_same_val_ttf(self):
"""Only GPOS; LookupType 4; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
markClass uni0303 <anchor 0 500> @MARKS_ABOVE;
feature xxxx {
pos base a <anchor 260 500> mark @MARKS_ABOVE;
} xxxx;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_4_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_4_diff_val_ttf(self):
"""Only GPOS; LookupType 4; different values in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
markClass uni0303 <anchor 0 500> @MARKS_ABOVE;
feature xxxx {
pos base a <anchor 260 500> mark @MARKS_ABOVE;
} xxxx;
"""
fea_str_1 = """
markClass uni0303 <anchor 0 520> @MARKS_ABOVE;
feature xxxx {
pos base a <anchor 285 520> mark @MARKS_ABOVE;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_4_diff.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_5_same_val_ttf(self):
"""Only GPOS; LookupType 5; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
markClass uni0330 <anchor 0 -50> @MARKS_BELOW;
feature xxxx {
pos ligature f_t <anchor 115 -50> mark @MARKS_BELOW
ligComponent <anchor 430 -50> mark @MARKS_BELOW;
} xxxx;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_5_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_5_diff_val_ttf(self):
"""Only GPOS; LookupType 5; different values in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
markClass uni0330 <anchor 0 -50> @MARKS_BELOW;
feature xxxx {
pos ligature f_t <anchor 115 -50> mark @MARKS_BELOW
ligComponent <anchor 430 -50> mark @MARKS_BELOW;
} xxxx;
"""
fea_str_1 = """
markClass uni0330 <anchor 0 -20> @MARKS_BELOW;
feature xxxx {
pos ligature f_t <anchor 173 -20> mark @MARKS_BELOW
ligComponent <anchor 577 -20> mark @MARKS_BELOW;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_5_diff.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_6_same_val_ttf(self):
"""Only GPOS; LookupType 6; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
markClass uni0303 <anchor 0 500> @MARKS_ABOVE;
feature xxxx {
pos mark uni0308 <anchor 0 675> mark @MARKS_ABOVE;
} xxxx;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_6_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_6_diff_val_ttf(self):
"""Only GPOS; LookupType 6; different values in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
markClass uni0303 <anchor 0 500> @MARKS_ABOVE;
feature xxxx {
pos mark uni0308 <anchor 0 675> mark @MARKS_ABOVE;
} xxxx;
"""
fea_str_1 = """
markClass uni0303 <anchor 0 520> @MARKS_ABOVE;
feature xxxx {
pos mark uni0308 <anchor 0 730> mark @MARKS_ABOVE;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_6_diff.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_8_same_val_ttf(self):
"""Only GPOS; LookupType 8; same values in all masters.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str = """
markClass uni0303 <anchor 0 500> @MARKS_ABOVE;
lookup CNTXT_PAIR_POS {
pos A a -23;
} CNTXT_PAIR_POS;
lookup CNTXT_MARK_TO_BASE {
pos base a <anchor 260 500> mark @MARKS_ABOVE;
} CNTXT_MARK_TO_BASE;
feature xxxx {
pos A' lookup CNTXT_PAIR_POS a' @MARKS_ABOVE' lookup CNTXT_MARK_TO_BASE;
} xxxx;
"""
features = [fea_str] * 2
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_8_same.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_GPOS_only_LookupType_8_diff_val_ttf(self):
"""Only GPOS; LookupType 8; different values in each master.
"""
suffix = '.ttf'
ds_path = self.get_test_input('InterpolateLayout.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
fea_str_0 = """
markClass uni0303 <anchor 0 500> @MARKS_ABOVE;
lookup CNTXT_PAIR_POS {
pos A a -23;
} CNTXT_PAIR_POS;
lookup CNTXT_MARK_TO_BASE {
pos base a <anchor 260 500> mark @MARKS_ABOVE;
} CNTXT_MARK_TO_BASE;
feature xxxx {
pos A' lookup CNTXT_PAIR_POS a' @MARKS_ABOVE' lookup CNTXT_MARK_TO_BASE;
} xxxx;
"""
fea_str_1 = """
markClass uni0303 <anchor 0 520> @MARKS_ABOVE;
lookup CNTXT_PAIR_POS {
pos A a 57;
} CNTXT_PAIR_POS;
lookup CNTXT_MARK_TO_BASE {
pos base a <anchor 285 520> mark @MARKS_ABOVE;
} CNTXT_MARK_TO_BASE;
feature xxxx {
pos A' lookup CNTXT_PAIR_POS a' @MARKS_ABOVE' lookup CNTXT_MARK_TO_BASE;
} xxxx;
"""
features = [fea_str_0, fea_str_1]
self.temp_dir()
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily2-')
for i, path in enumerate(ttx_paths):
self.compile_font(path, suffix, self.tempdir, features[i])
finder = lambda s: s.replace(ufo_dir, self.tempdir).replace('.ufo', suffix)
instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
tables = ['GPOS']
expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_8_diff.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
def test_varlib_interpolate_layout_main_ttf(self):
"""Mostly for testing varLib.interpolate_layout.main()
"""
suffix = '.ttf'
ds_path = self.get_test_input('Build.designspace')
ufo_dir = self.get_test_input('master_ufo')
ttx_dir = self.get_test_input('master_ttx_interpolatable_ttf')
self.temp_dir()
ttf_dir = os.path.join(self.tempdir, 'master_ttf_interpolatable')
os.makedirs(ttf_dir)
ttx_paths = self.get_file_list(ttx_dir, '.ttx', 'TestFamily-')
for path in ttx_paths:
self.compile_font(path, suffix, ttf_dir)
finder = lambda s: s.replace(ufo_dir, ttf_dir).replace('.ufo', suffix)
varfont, _, _ = build(ds_path, finder)
varfont_name = 'InterpolateLayoutMain'
varfont_path = os.path.join(self.tempdir, varfont_name + suffix)
varfont.save(varfont_path)
ds_copy = os.path.splitext(varfont_path)[0] + '.designspace'
shutil.copy2(ds_path, ds_copy)
args = [ds_copy, 'weight=500', 'contrast=50']
interpolate_layout_main(args)
instfont_path = os.path.splitext(varfont_path)[0] + '-instance' + suffix
instfont = TTFont(instfont_path)
tables = [table_tag for table_tag in instfont.keys() if table_tag != 'head']
expected_ttx_path = self.get_test_output(varfont_name + '.ttx')
self.expect_ttx(instfont, expected_ttx_path, tables)
if __name__ == "__main__":
sys.exit(unittest.main())