def test_modified_mkmks(self):
font_a = mock_font()
fea = """
markClass [acutecomb gravecomb] <anchor 150 -10> @top;
feature mark {
pos mark @top
<anchor 85 354> mark @top;
} mark;
"""
font_a.builder.addOpenTypeFeatures(fea)
font_a.recalc_tables()
font_b = mock_font()
fea = """
markClass [acutecomb gravecomb] <anchor 0 -10> @top;
feature mark {
pos mark @top
<anchor 85 354> mark @top;
} mark;
"""
font_b.builder.addOpenTypeFeatures(fea)
font_b.recalc_tables()
diff = diff_marks(font_a, font_b, font_a.mkmks, font_b.mkmks, 'mkmks')
modified = diff['modified']._data
self.assertNotEqual(modified, [])
self.assertEqual(len(modified), 4)
def test_modified_base_mark(self):
font_a = mock_font()
fea = """
markClass [acutecomb] <anchor 150 -10> @top;
feature mark {
pos base [A]
<anchor 85 354> mark @top;
} mark;
"""
font_a.builder.addOpenTypeFeatures(fea)
font_a.recalc_tables()
font_b = mock_font()
fea = """
markClass [acutecomb] <anchor 150 -10> @top;
feature mark {
pos base [A]
<anchor 65 354> mark @top;
} mark;
"""
font_b.builder.addOpenTypeFeatures(fea)
font_b.recalc_tables()
diff = diff_marks(font_a, font_b, font_a.marks, font_b.marks, "marks")
modified = diff['modified']._data
self.assertNotEqual(modified, [])
def test_upm_scale_modified_marks(self):
font_a = mock_font()
font_a.builder.updateHead(unitsPerEm=1000)
fea = """
markClass [acutecomb] <anchor 150 0> @top;
feature mark {
pos base [A]
<anchor 100 300> mark @top;
} mark;
"""
font_a.builder.addOpenTypeFeatures(fea)
font_a.recalc_tables()
font_b = mock_font()
font_b.builder.updateHead(unitsPerEm=2000)
fea = """
markClass [acutecomb] <anchor 300 0> @top;
feature mark {
pos base [A]
<anchor 200 600> mark @top;
} mark;
"""
font_b.builder.addOpenTypeFeatures(fea)
font_b.recalc_tables()
diff = diff_marks(font_a, font_b, font_a.marks, font_b.marks, "marks")
modified = diff['modified']._data
self.assertEqual(modified, [])
def test_missing_mkmks(self):
font_a = mock_font()
fea = """
markClass [acutecomb gravecomb] <anchor 150 -10> @top;
feature mkmk {
pos mark @top
<anchor 85 354> mark @top;
} mkmk;
"""
font_a.builder.addOpenTypeFeatures(fea)
font_a.recalc_tables()
font_b = mock_font()
diff = diff_marks(font_a, font_b, font_a.mkmks, font_b.mkmks, 'mkmks')
missing = diff['missing']._data
self.assertNotEqual(missing, [])
def test_missing_base_mark(self):
font_a = mock_font()
fea = """
markClass [acutecomb] <anchor 150 -10> @top;
feature mark {
pos base [A V]
<anchor 85 354> mark @top;
} mark;
"""
font_a.builder.addOpenTypeFeatures(fea)
font_a.recalc_tables()
font_b = mock_font()
diff = diff_marks(font_a, font_b, font_a.marks, font_b.marks, 'marks')
missing = diff['missing']._data
self.assertNotEqual(missing, [])
# Diffenator will only return missing and new marks betweeen
# matching glyph sets. If font_b is missing many glyphs which
# have marks in font_a, these won't be reported. If the user
# add the glyphs to font_b without the marks, then it will
# get reported.
self.assertEqual(len(missing), 2)