xref: /aosp_15_r20/external/fonttools/Tests/cffLib/cffLib_test.py (revision e1fe3e4ad2793916b15cccdc4a7da52a7e1dd0e9) 
1from fontTools.cffLib import TopDict, PrivateDict, CharStrings
2from fontTools.misc.testTools import parseXML, DataFilesHandler
3from fontTools.ttLib import TTFont
4import copy
5import os
6import sys
7import unittest
8
9
10class CffLibTest(DataFilesHandler):
11    def test_topDict_recalcFontBBox(self):
12        topDict = TopDict()
13        topDict.CharStrings = CharStrings(None, None, None, PrivateDict(), None, None)
14        topDict.CharStrings.fromXML(
15            None,
16            None,
17            parseXML(
18                """
19            <CharString name=".notdef">
20              endchar
21            </CharString>
22            <CharString name="foo"><!-- [100, -100, 300, 100] -->
23              100 -100 rmoveto 200 hlineto 200 vlineto -200 hlineto endchar
24            </CharString>
25            <CharString name="bar"><!-- [0, 0, 200, 200] -->
26              0 0 rmoveto 200 hlineto 200 vlineto -200 hlineto endchar
27            </CharString>
28            <CharString name="baz"><!-- [-55.1, -55.1, 55.1, 55.1] -->
29              -55.1 -55.1 rmoveto 110.2 hlineto 110.2 vlineto -110.2 hlineto endchar
30            </CharString>
31        """
32            ),
33        )
34
35        topDict.recalcFontBBox()
36        self.assertEqual(topDict.FontBBox, [-56, -100, 300, 200])
37
38    def test_topDict_recalcFontBBox_empty(self):
39        topDict = TopDict()
40        topDict.CharStrings = CharStrings(None, None, None, PrivateDict(), None, None)
41        topDict.CharStrings.fromXML(
42            None,
43            None,
44            parseXML(
45                """
46            <CharString name=".notdef">
47              endchar
48            </CharString>
49            <CharString name="space">
50              123 endchar
51            </CharString>
52        """
53            ),
54        )
55
56        topDict.recalcFontBBox()
57        self.assertEqual(topDict.FontBBox, [0, 0, 0, 0])
58
59    def test_topDict_set_Encoding(self):
60        ttx_path = self.getpath("TestOTF.ttx")
61        font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
62        font.importXML(ttx_path)
63
64        topDict = font["CFF "].cff.topDictIndex[0]
65        encoding = [".notdef"] * 256
66        encoding[0x20] = "space"
67        topDict.Encoding = encoding
68
69        self.temp_dir()
70        save_path = os.path.join(self.tempdir, "TestOTF.otf")
71        font.save(save_path)
72
73        font2 = TTFont(save_path)
74        topDict2 = font2["CFF "].cff.topDictIndex[0]
75        self.assertEqual(topDict2.Encoding[32], "space")
76
77    def test_CFF_deepcopy(self):
78        """Test that deepcopying a TTFont with a CFF table does not recurse
79        infinitely."""
80        ttx_path = os.path.join(
81            os.path.dirname(__file__),
82            "..",
83            "varLib",
84            "data",
85            "master_ttx_interpolatable_otf",
86            "TestFamily2-Master0.ttx",
87        )
88        font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
89        font.importXML(ttx_path)
90        copy.deepcopy(font)
91
92    def test_FDSelect_format_4(self):
93        ttx_path = self.getpath("TestFDSelect4.ttx")
94        font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
95        font.importXML(ttx_path)
96
97        self.temp_dir()
98        save_path = os.path.join(self.tempdir, "TestOTF.otf")
99        font.save(save_path)
100
101        font2 = TTFont(save_path)
102        topDict2 = font2["CFF2"].cff.topDictIndex[0]
103        self.assertEqual(topDict2.FDSelect.format, 4)
104        self.assertEqual(topDict2.FDSelect.gidArray, [0, 0, 1])
105
106    def test_unique_glyph_names(self):
107        font_path = self.getpath("LinLibertine_RBI.otf")
108        font = TTFont(font_path, recalcBBoxes=False, recalcTimestamp=False)
109
110        glyphOrder = font.getGlyphOrder()
111        self.assertEqual(len(glyphOrder), len(set(glyphOrder)))
112
113        self.temp_dir()
114        save_path = os.path.join(self.tempdir, "TestOTF.otf")
115        font.save(save_path)
116
117        font2 = TTFont(save_path)
118        glyphOrder = font2.getGlyphOrder()
119        self.assertEqual(len(glyphOrder), len(set(glyphOrder)))
120
121
122if __name__ == "__main__":
123    sys.exit(unittest.main())
124