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1219 lines
49 KiB
1219 lines
49 KiB
import io
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from fontTools.misc.py23 import tobytes, tostr
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from fontTools.misc.testTools import getXML
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from fontTools import subset
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from fontTools.fontBuilder import FontBuilder
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from fontTools.pens.ttGlyphPen import TTGlyphPen
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from fontTools.ttLib import TTFont, newTable
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from fontTools.ttLib.tables import otTables as ot
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from fontTools.misc.loggingTools import CapturingLogHandler
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import difflib
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import logging
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import os
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import shutil
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import sys
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import tempfile
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import unittest
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import pathlib
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import pytest
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class SubsetTest(unittest.TestCase):
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def __init__(self, methodName):
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unittest.TestCase.__init__(self, methodName)
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# Python 3 renamed assertRaisesRegexp to assertRaisesRegex,
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# and fires deprecation warnings if a program uses the old name.
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if not hasattr(self, "assertRaisesRegex"):
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self.assertRaisesRegex = self.assertRaisesRegexp
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def setUp(self):
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self.tempdir = None
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self.num_tempfiles = 0
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def tearDown(self):
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if self.tempdir:
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shutil.rmtree(self.tempdir)
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@staticmethod
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def getpath(testfile):
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path, _ = os.path.split(__file__)
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return os.path.join(path, "data", testfile)
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def temp_path(self, suffix):
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if not self.tempdir:
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self.tempdir = tempfile.mkdtemp()
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self.num_tempfiles += 1
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return os.path.join(self.tempdir,
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"tmp%d%s" % (self.num_tempfiles, suffix))
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def read_ttx(self, path):
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lines = []
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with open(path, "r", encoding="utf-8") as ttx:
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for line in ttx.readlines():
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# Elide ttFont attributes because ttLibVersion may change,
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# and use os-native line separators so we can run difflib.
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if line.startswith("<ttFont "):
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lines.append("<ttFont>" + os.linesep)
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else:
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lines.append(line.rstrip() + os.linesep)
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return lines
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def expect_ttx(self, font, expected_ttx, tables=None):
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path = self.temp_path(suffix=".ttx")
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font.saveXML(path, tables=tables)
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actual = self.read_ttx(path)
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expected = self.read_ttx(expected_ttx)
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if actual != expected:
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for line in difflib.unified_diff(
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expected, actual, fromfile=expected_ttx, tofile=path):
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sys.stdout.write(line)
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self.fail("TTX output is different from expected")
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def compile_font(self, path, suffix):
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savepath = self.temp_path(suffix=suffix)
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font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
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font.importXML(path)
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font.save(savepath, reorderTables=None)
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return font, savepath
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# -----
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# Tests
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# -----
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def test_layout_scripts(self):
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_, fontpath = self.compile_font(self.getpath("layout_scripts.ttx"), ".otf")
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subsetpath = self.temp_path(".otf")
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subset.main([fontpath, "--glyphs=*", "--layout-features=*",
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"--layout-scripts=latn,arab.URD,arab.dflt",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_layout_scripts.ttx"),
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["GPOS", "GSUB"])
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def test_no_notdef_outline_otf(self):
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_, fontpath = self.compile_font(self.getpath("TestOTF-Regular.ttx"), ".otf")
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subsetpath = self.temp_path(".otf")
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subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_otf.ttx"), ["CFF "])
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def test_no_notdef_outline_cid(self):
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_, fontpath = self.compile_font(self.getpath("TestCID-Regular.ttx"), ".otf")
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subsetpath = self.temp_path(".otf")
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subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_cid.ttx"), ["CFF "])
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def test_no_notdef_outline_ttf(self):
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_, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--no-notdef-outline", "--gids=0", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_no_notdef_outline_ttf.ttx"), ["glyf", "hmtx"])
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def test_subset_ankr(self):
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_, fontpath = self.compile_font(self.getpath("TestANKR.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_ankr.ttx"), ["ankr"])
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def test_subset_ankr_remove(self):
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_, fontpath = self.compile_font(self.getpath("TestANKR.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=two", "--output-file=%s" % subsetpath])
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self.assertNotIn("ankr", TTFont(subsetpath))
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def test_subset_bsln_format_0(self):
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_, fontpath = self.compile_font(self.getpath("TestBSLN-0.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_bsln_0.ttx"), ["bsln"])
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def test_subset_bsln_format_0_from_format_1(self):
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# TestBSLN-1 defines the ideographic baseline to be the font's default,
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# and specifies that glyphs {.notdef, zero, one, two} use the roman
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# baseline instead of the default ideographic baseline. As we request
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# a subsetted font with {zero, one} and the implicit .notdef, all
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# glyphs in the resulting font use the Roman baseline. In this case,
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# we expect a format 0 'bsln' table because it is the most compact.
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_, fontpath = self.compile_font(self.getpath("TestBSLN-1.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0030-0031",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_bsln_0.ttx"), ["bsln"])
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def test_subset_bsln_format_1(self):
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# TestBSLN-1 defines the ideographic baseline to be the font's default,
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# and specifies that glyphs {.notdef, zero, one, two} use the roman
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# baseline instead of the default ideographic baseline. We request
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# a subset where the majority of glyphs use the roman baseline,
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# but one single glyph (uni2EA2) is ideographic. In the resulting
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# subsetted font, we expect a format 1 'bsln' table whose default
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# is Roman, but with an override that uses the ideographic baseline
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# for uni2EA2.
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_, fontpath = self.compile_font(self.getpath("TestBSLN-1.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0030-0031,U+2EA2",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_bsln_1.ttx"), ["bsln"])
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def test_subset_bsln_format_2(self):
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# The 'bsln' table in TestBSLN-2 refers to control points in glyph 'P'
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# for defining its baselines. Therefore, the subsetted font should
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# include this glyph even though it is not requested explicitly.
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_, fontpath = self.compile_font(self.getpath("TestBSLN-2.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_bsln_2.ttx"), ["bsln"])
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def test_subset_bsln_format_2_from_format_3(self):
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# TestBSLN-3 defines the ideographic baseline to be the font's default,
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# and specifies that glyphs {.notdef, zero, one, two, P} use the roman
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# baseline instead of the default ideographic baseline. As we request
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# a subsetted font with zero and the implicit .notdef and P for
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# baseline measurement, all glyphs in the resulting font use the Roman
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# baseline. In this case, we expect a format 2 'bsln' table because it
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# is the most compact encoding.
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_, fontpath = self.compile_font(self.getpath("TestBSLN-3.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0030",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_bsln_2.ttx"), ["bsln"])
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def test_subset_bsln_format_3(self):
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# TestBSLN-3 defines the ideographic baseline to be the font's default,
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# and specifies that glyphs {.notdef, zero, one, two} use the roman
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# baseline instead of the default ideographic baseline. We request
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# a subset where the majority of glyphs use the roman baseline,
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# but one single glyph (uni2EA2) is ideographic. In the resulting
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# subsetted font, we expect a format 1 'bsln' table whose default
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# is Roman, but with an override that uses the ideographic baseline
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# for uni2EA2.
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_, fontpath = self.compile_font(self.getpath("TestBSLN-3.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0030-0031,U+2EA2",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_bsln_3.ttx"), ["bsln"])
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def test_subset_clr(self):
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_, fontpath = self.compile_font(self.getpath("TestCLR-Regular.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=smileface", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_keep_colr.ttx"), ["GlyphOrder", "hmtx", "glyf", "COLR", "CPAL"])
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def test_subset_gvar(self):
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_, fontpath = self.compile_font(self.getpath("TestGVAR.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+002B,U+2212", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_keep_gvar.ttx"), ["GlyphOrder", "avar", "fvar", "gvar", "name"])
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def test_subset_gvar_notdef_outline(self):
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_, fontpath = self.compile_font(self.getpath("TestGVAR.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0030", "--notdef_outline", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_keep_gvar_notdef_outline.ttx"), ["GlyphOrder", "avar", "fvar", "gvar", "name"])
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def test_subset_lcar_remove(self):
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_, fontpath = self.compile_font(self.getpath("TestLCAR-0.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.assertNotIn("lcar", subsetfont)
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def test_subset_lcar_format_0(self):
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_, fontpath = self.compile_font(self.getpath("TestLCAR-0.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+FB01",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_lcar_0.ttx"), ["lcar"])
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def test_subset_lcar_format_1(self):
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_, fontpath = self.compile_font(self.getpath("TestLCAR-1.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+FB01",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_lcar_1.ttx"), ["lcar"])
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def test_subset_math(self):
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_, fontpath = self.compile_font(self.getpath("TestMATH-Regular.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0041,U+0028,U+0302,U+1D400,U+1D435", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_keep_math.ttx"), ["GlyphOrder", "CFF ", "MATH", "hmtx"])
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def test_subset_math_partial(self):
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_, fontpath = self.compile_font(self.getpath("test_math_partial.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--text=A", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_math_partial.ttx"), ["MATH"])
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def test_subset_opbd_remove(self):
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# In the test font, only the glyphs 'A' and 'zero' have an entry in
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# the Optical Bounds table. When subsetting, we do not request any
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# of those glyphs. Therefore, the produced subsetted font should
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# not contain an 'opbd' table.
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_, fontpath = self.compile_font(self.getpath("TestOPBD-0.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=one", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.assertNotIn("opbd", subsetfont)
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def test_subset_opbd_format_0(self):
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_, fontpath = self.compile_font(self.getpath("TestOPBD-0.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=A", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_opbd_0.ttx"), ["opbd"])
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def test_subset_opbd_format_1(self):
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_, fontpath = self.compile_font(self.getpath("TestOPBD-1.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--glyphs=A", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_opbd_1.ttx"), ["opbd"])
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def test_subset_prop_remove_default_zero(self):
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# If all glyphs have an AAT glyph property with value 0,
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# the "prop" table should be removed from the subsetted font.
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_, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0041",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.assertNotIn("prop", subsetfont)
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def test_subset_prop_0(self):
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# If all glyphs share the same AAT glyph properties, the "prop" table
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# in the subsetted font should use format 0.
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#
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# Unless the shared value is zero, in which case the subsetted font
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# should have no "prop" table at all. But that case has already been
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# tested above in test_subset_prop_remove_default_zero().
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_, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0030-0032", "--no-notdef-glyph",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_prop_0.ttx"), ["prop"])
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def test_subset_prop_1(self):
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# If not all glyphs share the same AAT glyph properties, the subsetted
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# font should contain a "prop" table in format 1. To save space, the
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# DefaultProperties should be set to the most frequent value.
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_, fontpath = self.compile_font(self.getpath("TestPROP.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=U+0030-0032", "--notdef-outline",
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"--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath("expect_prop_1.ttx"), ["prop"])
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def test_options(self):
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# https://github.com/fonttools/fonttools/issues/413
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opt1 = subset.Options()
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self.assertTrue('Xyz-' not in opt1.layout_features)
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opt2 = subset.Options()
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opt2.layout_features.append('Xyz-')
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self.assertTrue('Xyz-' in opt2.layout_features)
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self.assertTrue('Xyz-' not in opt1.layout_features)
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def test_google_color(self):
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_, fontpath = self.compile_font(self.getpath("google_color.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--gids=0,1", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.assertTrue("CBDT" in subsetfont)
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self.assertTrue("CBLC" in subsetfont)
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self.assertTrue("x" in subsetfont['CBDT'].strikeData[0])
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self.assertFalse("y" in subsetfont['CBDT'].strikeData[0])
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def test_google_color_all(self):
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_, fontpath = self.compile_font(self.getpath("google_color.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--unicodes=*", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.assertTrue("x" in subsetfont['CBDT'].strikeData[0])
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self.assertTrue("y" in subsetfont['CBDT'].strikeData[0])
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def test_sbix(self):
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_, fontpath = self.compile_font(self.getpath("sbix.ttx"), ".ttf")
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subsetpath = self.temp_path(".ttf")
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subset.main([fontpath, "--gids=0,1", "--output-file=%s" % subsetpath])
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subsetfont = TTFont(subsetpath)
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self.expect_ttx(subsetfont, self.getpath(
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"expect_sbix.ttx"), ["sbix"])
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def test_timing_publishes_parts(self):
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_, fontpath = self.compile_font(self.getpath("TestTTF-Regular.ttx"), ".ttf")
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options = subset.Options()
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options.timing = True
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subsetter = subset.Subsetter(options)
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subsetter.populate(text='ABC')
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font = TTFont(fontpath)
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with CapturingLogHandler('fontTools.subset.timer', logging.DEBUG) as captor:
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subsetter.subset(font)
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logs = captor.records
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self.assertTrue(len(logs) > 5)
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self.assertEqual(len(logs), len([l for l in logs if 'msg' in l.args and 'time' in l.args]))
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# 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)
|
|
|
|
def test_subset_context_subst_format_3(self):
|
|
# https://github.com/fonttools/fonttools/issues/1879
|
|
# Test font contains 'calt' feature with Format 3 ContextSubst lookup subtables
|
|
ttx = self.getpath("TestContextSubstFormat3.ttx")
|
|
font, fontpath = self.compile_font(ttx, ".ttf")
|
|
subsetpath = self.temp_path(".ttf")
|
|
subset.main([fontpath, "--unicodes=*", "--output-file=%s" % subsetpath])
|
|
subsetfont = TTFont(subsetpath)
|
|
# check all glyphs are kept via GSUB closure, no changes expected
|
|
self.expect_ttx(subsetfont, ttx)
|
|
|
|
def test_cmap_prune_format12(self):
|
|
_, fontpath = self.compile_font(self.getpath("CmapSubsetTest.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("CmapSubsetTest.subset.ttx"), ["cmap"])
|
|
|
|
def test_GPOS_PairPos_Format2_useClass0(self):
|
|
# Check two things related to class 0 ('every other glyph'):
|
|
# 1) that it's reused for ClassDef1 when it becomes empty as the subset glyphset
|
|
# is intersected with the table's Coverage
|
|
# 2) that it is never reused for ClassDef2 even when it happens to become empty
|
|
# because of the subset glyphset. In this case, we don't keep a PairPosClass2
|
|
# subtable if only ClassDef2's class0 survived subsetting.
|
|
# The test font (from Harfbuzz test suite) is constructed to trigger these two
|
|
# situations depending on the input subset --text.
|
|
# https://github.com/fonttools/fonttools/pull/2221
|
|
_, fontpath = self.compile_font(
|
|
self.getpath("GPOS_PairPos_Format2_PR_2221.ttx"), ".ttf"
|
|
)
|
|
subsetpath = self.temp_path(".ttf")
|
|
|
|
for n, text in enumerate("!#", start=1):
|
|
expected_ttx = self.getpath(
|
|
f"GPOS_PairPos_Format2_ClassDef{n}_useClass0.subset.ttx"
|
|
)
|
|
with self.subTest(text=text, expected_ttx=expected_ttx):
|
|
subset.main(
|
|
[
|
|
fontpath,
|
|
f"--text='{text}'",
|
|
"--layout-features+=test",
|
|
"--output-file=%s" % subsetpath,
|
|
]
|
|
)
|
|
subsetfont = TTFont(subsetpath)
|
|
self.expect_ttx(subsetfont, expected_ttx, ["GPOS"])
|
|
|
|
|
|
@pytest.fixture
|
|
def featureVarsTestFont():
|
|
fb = FontBuilder(unitsPerEm=100)
|
|
fb.setupGlyphOrder([".notdef", "f", "f_f", "dollar", "dollar.rvrn"])
|
|
fb.setupCharacterMap({ord("f"): "f", ord("$"): "dollar"})
|
|
fb.setupNameTable({"familyName": "TestFeatureVars", "styleName": "Regular"})
|
|
fb.setupPost()
|
|
fb.setupFvar(axes=[("wght", 100, 400, 900, "Weight")], instances=[])
|
|
fb.addOpenTypeFeatures("""\
|
|
feature dlig {
|
|
sub f f by f_f;
|
|
} dlig;
|
|
""")
|
|
fb.addFeatureVariations(
|
|
[([{"wght": (0.20886, 1.0)}], {"dollar": "dollar.rvrn"})],
|
|
featureTag="rvrn"
|
|
)
|
|
buf = io.BytesIO()
|
|
fb.save(buf)
|
|
buf.seek(0)
|
|
|
|
return TTFont(buf)
|
|
|
|
|
|
def test_subset_feature_variations_keep_all(featureVarsTestFont):
|
|
font = featureVarsTestFont
|
|
|
|
options = subset.Options()
|
|
subsetter = subset.Subsetter(options)
|
|
subsetter.populate(unicodes=[ord("f"), ord("$")])
|
|
subsetter.subset(font)
|
|
|
|
featureTags = {
|
|
r.FeatureTag for r in font["GSUB"].table.FeatureList.FeatureRecord
|
|
}
|
|
# 'dlig' is discretionary so it is dropped by default
|
|
assert "dlig" not in featureTags
|
|
assert "f_f" not in font.getGlyphOrder()
|
|
# 'rvrn' is required so it is kept by default
|
|
assert "rvrn" in featureTags
|
|
assert "dollar.rvrn" in font.getGlyphOrder()
|
|
|
|
|
|
def test_subset_feature_variations_drop_all(featureVarsTestFont):
|
|
font = featureVarsTestFont
|
|
|
|
options = subset.Options()
|
|
options.layout_features.remove("rvrn") # drop 'rvrn'
|
|
subsetter = subset.Subsetter(options)
|
|
subsetter.populate(unicodes=[ord("f"), ord("$")])
|
|
subsetter.subset(font)
|
|
|
|
featureTags = {
|
|
r.FeatureTag for r in font["GSUB"].table.FeatureList.FeatureRecord
|
|
}
|
|
glyphs = set(font.getGlyphOrder())
|
|
|
|
assert "rvrn" not in featureTags
|
|
assert glyphs == {".notdef", "f", "dollar"}
|
|
# all FeatureVariationRecords were dropped
|
|
assert font["GSUB"].table.FeatureVariations is None
|
|
assert font["GSUB"].table.Version == 0x00010000
|
|
|
|
|
|
# TODO test_subset_feature_variations_drop_from_end_empty_records
|
|
# https://github.com/fonttools/fonttools/issues/1881#issuecomment-619415044
|
|
|
|
|
|
def test_subset_single_pos_format():
|
|
fb = FontBuilder(unitsPerEm=1000)
|
|
fb.setupGlyphOrder([".notdef", "a", "b", "c"])
|
|
fb.setupCharacterMap({ord("a"): "a", ord("b"): "b", ord("c"): "c"})
|
|
fb.setupNameTable({"familyName": "TestSingePosFormat", "styleName": "Regular"})
|
|
fb.setupPost()
|
|
fb.addOpenTypeFeatures("""
|
|
feature kern {
|
|
pos a -50;
|
|
pos b -40;
|
|
pos c -50;
|
|
} kern;
|
|
""")
|
|
|
|
buf = io.BytesIO()
|
|
fb.save(buf)
|
|
buf.seek(0)
|
|
|
|
font = TTFont(buf)
|
|
|
|
# The input font has a SinglePos Format 2 subtable where each glyph has
|
|
# different ValueRecords
|
|
assert getXML(font["GPOS"].table.LookupList.Lookup[0].toXML, font) == [
|
|
'<Lookup>',
|
|
' <LookupType value="1"/>',
|
|
' <LookupFlag value="0"/>',
|
|
' <!-- SubTableCount=1 -->',
|
|
' <SinglePos index="0" Format="2">',
|
|
' <Coverage>',
|
|
' <Glyph value="a"/>',
|
|
' <Glyph value="b"/>',
|
|
' <Glyph value="c"/>',
|
|
' </Coverage>',
|
|
' <ValueFormat value="4"/>',
|
|
' <!-- ValueCount=3 -->',
|
|
' <Value index="0" XAdvance="-50"/>',
|
|
' <Value index="1" XAdvance="-40"/>',
|
|
' <Value index="2" XAdvance="-50"/>',
|
|
' </SinglePos>',
|
|
'</Lookup>',
|
|
]
|
|
|
|
options = subset.Options()
|
|
subsetter = subset.Subsetter(options)
|
|
subsetter.populate(unicodes=[ord("a"), ord("c")])
|
|
subsetter.subset(font)
|
|
|
|
# All the subsetted glyphs from the original SinglePos Format2 subtable
|
|
# now have the same ValueRecord, so we use a more compact Format 1 subtable.
|
|
assert getXML(font["GPOS"].table.LookupList.Lookup[0].toXML, font) == [
|
|
'<Lookup>',
|
|
' <LookupType value="1"/>',
|
|
' <LookupFlag value="0"/>',
|
|
' <!-- SubTableCount=1 -->',
|
|
' <SinglePos index="0" Format="1">',
|
|
' <Coverage>',
|
|
' <Glyph value="a"/>',
|
|
' <Glyph value="c"/>',
|
|
' </Coverage>',
|
|
' <ValueFormat value="4"/>',
|
|
' <Value XAdvance="-50"/>',
|
|
' </SinglePos>',
|
|
'</Lookup>',
|
|
]
|
|
|
|
|
|
@pytest.fixture
|
|
def ttf_path(tmp_path):
|
|
# $(dirname $0)/../ttLib/data
|
|
ttLib_data = pathlib.Path(__file__).parent.parent / "ttLib" / "data"
|
|
font = TTFont()
|
|
font.importXML(ttLib_data / "TestTTF-Regular.ttx")
|
|
font_path = tmp_path / "TestTTF-Regular.ttf"
|
|
font.save(font_path)
|
|
return font_path
|
|
|
|
|
|
def test_subset_empty_glyf(tmp_path, ttf_path):
|
|
subset_path = tmp_path / (ttf_path.name + ".subset")
|
|
# only keep empty .notdef and space glyph, resulting in an empty glyf table
|
|
subset.main(
|
|
[
|
|
str(ttf_path),
|
|
"--no-notdef-outline",
|
|
"--glyph-names",
|
|
f"--output-file={subset_path}",
|
|
"--glyphs=.notdef space",
|
|
]
|
|
)
|
|
subset_font = TTFont(subset_path)
|
|
|
|
assert subset_font.getGlyphOrder() == [".notdef", "space"]
|
|
assert subset_font.reader['glyf'] == b"\x00"
|
|
|
|
glyf = subset_font["glyf"]
|
|
assert all(glyf[g].numberOfContours == 0 for g in subset_font.getGlyphOrder())
|
|
|
|
loca = subset_font["loca"]
|
|
assert all(loc == 0 for loc in loca)
|
|
|
|
|
|
@pytest.fixture
|
|
def colrv1_path(tmp_path):
|
|
base_glyph_names = ["uni%04X" % i for i in range(0xE000, 0xE000 + 10)]
|
|
layer_glyph_names = ["glyph%05d" % i for i in range(10, 20)]
|
|
glyph_order = [".notdef"] + base_glyph_names + layer_glyph_names
|
|
|
|
pen = TTGlyphPen(glyphSet=None)
|
|
pen.moveTo((0, 0))
|
|
pen.lineTo((0, 500))
|
|
pen.lineTo((500, 500))
|
|
pen.lineTo((500, 0))
|
|
pen.closePath()
|
|
glyph = pen.glyph()
|
|
glyphs = {g: glyph for g in glyph_order}
|
|
|
|
fb = FontBuilder(unitsPerEm=1024, isTTF=True)
|
|
fb.setupGlyphOrder(glyph_order)
|
|
fb.setupCharacterMap({int(name[3:], 16): name for name in base_glyph_names})
|
|
fb.setupGlyf(glyphs)
|
|
fb.setupHorizontalMetrics({g: (500, 0) for g in glyph_order})
|
|
fb.setupHorizontalHeader()
|
|
fb.setupOS2()
|
|
fb.setupPost()
|
|
fb.setupNameTable({"familyName": "TestCOLRv1", "styleName": "Regular"})
|
|
|
|
fb.setupCOLR(
|
|
{
|
|
"uniE000": (
|
|
ot.PaintFormat.PaintColrLayers,
|
|
[
|
|
{
|
|
"Format": ot.PaintFormat.PaintGlyph,
|
|
"Paint": (ot.PaintFormat.PaintSolid, 0),
|
|
"Glyph": "glyph00010",
|
|
},
|
|
{
|
|
"Format": ot.PaintFormat.PaintGlyph,
|
|
"Paint": (ot.PaintFormat.PaintSolid, (2, 0.3)),
|
|
"Glyph": "glyph00011",
|
|
},
|
|
],
|
|
),
|
|
"uniE001": (
|
|
ot.PaintFormat.PaintColrLayers,
|
|
[
|
|
{
|
|
"Format": ot.PaintFormat.PaintTransform,
|
|
"Paint": {
|
|
"Format": ot.PaintFormat.PaintGlyph,
|
|
"Paint": {
|
|
"Format": ot.PaintFormat.PaintRadialGradient,
|
|
"x0": 250,
|
|
"y0": 250,
|
|
"r0": 250,
|
|
"x1": 200,
|
|
"y1": 200,
|
|
"r1": 0,
|
|
"ColorLine": {
|
|
"ColorStop": [(0.0, 1), (1.0, 2)],
|
|
"Extend": "repeat",
|
|
},
|
|
},
|
|
"Glyph": "glyph00012",
|
|
},
|
|
"Transform": (0.7071, 0.7071, -0.7071, 0.7071, 0, 0),
|
|
},
|
|
{
|
|
"Format": ot.PaintFormat.PaintGlyph,
|
|
"Paint": (ot.PaintFormat.PaintSolid, (1, 0.5)),
|
|
"Glyph": "glyph00013",
|
|
},
|
|
],
|
|
),
|
|
"uniE002": (
|
|
ot.PaintFormat.PaintColrLayers,
|
|
[
|
|
{
|
|
"Format": ot.PaintFormat.PaintGlyph,
|
|
"Paint": {
|
|
"Format": ot.PaintFormat.PaintLinearGradient,
|
|
"x0": 0,
|
|
"y0": 0,
|
|
"x1": 500,
|
|
"y1": 500,
|
|
"x2": -500,
|
|
"y2": 500,
|
|
"ColorLine": {"ColorStop": [(0.0, 1), (1.0, 2)]},
|
|
},
|
|
"Glyph": "glyph00014",
|
|
},
|
|
{
|
|
"Format": ot.PaintFormat.PaintTransform,
|
|
"Paint": {
|
|
"Format": ot.PaintFormat.PaintGlyph,
|
|
"Paint": (ot.PaintFormat.PaintSolid, 1),
|
|
"Glyph": "glyph00015",
|
|
},
|
|
"Transform": (1, 0, 0, 1, 400, 400),
|
|
},
|
|
],
|
|
),
|
|
"uniE003": {
|
|
"Format": ot.PaintFormat.PaintRotate,
|
|
"Paint": {
|
|
"Format": ot.PaintFormat.PaintColrGlyph,
|
|
"Glyph": "uniE001",
|
|
},
|
|
"angle": 45,
|
|
"centerX": 250,
|
|
"centerY": 250,
|
|
},
|
|
"uniE004": [
|
|
("glyph00016", 1),
|
|
("glyph00017", 2),
|
|
],
|
|
},
|
|
)
|
|
fb.setupCPAL(
|
|
[
|
|
[
|
|
(1.0, 0.0, 0.0, 1.0), # red
|
|
(0.0, 1.0, 0.0, 1.0), # green
|
|
(0.0, 0.0, 1.0, 1.0), # blue
|
|
],
|
|
],
|
|
)
|
|
|
|
output_path = tmp_path / "TestCOLRv1.ttf"
|
|
fb.save(output_path)
|
|
|
|
return output_path
|
|
|
|
|
|
def test_subset_COLRv1_and_CPAL(colrv1_path):
|
|
subset_path = colrv1_path.parent / (colrv1_path.name + ".subset")
|
|
|
|
subset.main(
|
|
[
|
|
str(colrv1_path),
|
|
"--glyph-names",
|
|
f"--output-file={subset_path}",
|
|
"--unicodes=E002,E003,E004",
|
|
]
|
|
)
|
|
subset_font = TTFont(subset_path)
|
|
|
|
glyph_set = set(subset_font.getGlyphOrder())
|
|
|
|
# uniE000 and its children are excluded from subset
|
|
assert "uniE000" not in glyph_set
|
|
assert "glyph00010" not in glyph_set
|
|
assert "glyph00011" not in glyph_set
|
|
|
|
# uniE001 and children are pulled in indirectly as PaintColrGlyph by uniE003
|
|
assert "uniE001" in glyph_set
|
|
assert "glyph00012" in glyph_set
|
|
assert "glyph00013" in glyph_set
|
|
|
|
assert "uniE002" in glyph_set
|
|
assert "glyph00014" in glyph_set
|
|
assert "glyph00015" in glyph_set
|
|
|
|
assert "uniE003" in glyph_set
|
|
|
|
assert "uniE004" in glyph_set
|
|
assert "glyph00016" in glyph_set
|
|
assert "glyph00017" in glyph_set
|
|
|
|
assert "COLR" in subset_font
|
|
colr = subset_font["COLR"].table
|
|
assert colr.Version == 1
|
|
assert len(colr.BaseGlyphRecordArray.BaseGlyphRecord) == 1
|
|
assert len(colr.BaseGlyphV1List.BaseGlyphV1Record) == 3 # was 4
|
|
|
|
base = colr.BaseGlyphV1List.BaseGlyphV1Record[0]
|
|
assert base.BaseGlyph == "uniE001"
|
|
layers = colr.LayerV1List.Paint[
|
|
base.Paint.FirstLayerIndex: base.Paint.FirstLayerIndex + base.Paint.NumLayers
|
|
]
|
|
assert len(layers) == 2
|
|
# check v1 palette indices were remapped
|
|
assert layers[0].Paint.Paint.ColorLine.ColorStop[0].Color.PaletteIndex == 0
|
|
assert layers[0].Paint.Paint.ColorLine.ColorStop[1].Color.PaletteIndex == 1
|
|
assert layers[1].Paint.Color.PaletteIndex == 0
|
|
|
|
baseRecV0 = colr.BaseGlyphRecordArray.BaseGlyphRecord[0]
|
|
assert baseRecV0.BaseGlyph == "uniE004"
|
|
layersV0 = colr.LayerRecordArray.LayerRecord
|
|
assert len(layersV0) == 2
|
|
# check v0 palette indices were remapped
|
|
assert layersV0[0].PaletteIndex == 0
|
|
assert layersV0[1].PaletteIndex == 1
|
|
|
|
assert "CPAL" in subset_font
|
|
cpal = subset_font["CPAL"]
|
|
assert [
|
|
tuple(v / 255 for v in (c.red, c.green, c.blue, c.alpha))
|
|
for c in cpal.palettes[0]
|
|
] == [
|
|
# the first color 'red' was pruned
|
|
(0.0, 1.0, 0.0, 1.0), # green
|
|
(0.0, 0.0, 1.0, 1.0), # blue
|
|
]
|
|
|
|
|
|
def test_subset_COLRv1_and_CPAL_drop_empty(colrv1_path):
|
|
subset_path = colrv1_path.parent / (colrv1_path.name + ".subset")
|
|
|
|
subset.main(
|
|
[
|
|
str(colrv1_path),
|
|
"--glyph-names",
|
|
f"--output-file={subset_path}",
|
|
"--glyphs=glyph00010",
|
|
]
|
|
)
|
|
subset_font = TTFont(subset_path)
|
|
|
|
glyph_set = set(subset_font.getGlyphOrder())
|
|
|
|
assert "glyph00010" in glyph_set
|
|
assert "uniE000" not in glyph_set
|
|
|
|
assert "COLR" not in subset_font
|
|
assert "CPAL" not in subset_font
|
|
|
|
|
|
def test_subset_COLRv1_downgrade_version(colrv1_path):
|
|
subset_path = colrv1_path.parent / (colrv1_path.name + ".subset")
|
|
|
|
subset.main(
|
|
[
|
|
str(colrv1_path),
|
|
"--glyph-names",
|
|
f"--output-file={subset_path}",
|
|
"--unicodes=E004",
|
|
]
|
|
)
|
|
subset_font = TTFont(subset_path)
|
|
|
|
assert set(subset_font.getGlyphOrder()) == {
|
|
".notdef",
|
|
"uniE004",
|
|
"glyph00016",
|
|
"glyph00017",
|
|
}
|
|
|
|
assert "COLR" in subset_font
|
|
assert subset_font["COLR"].version == 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(unittest.main())
|