47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
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from pathlib import Path
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from subprocess import run
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from fontTools.ttLib import TTFont, newTable
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from fontTools.feaLib.builder import addOpenTypeFeaturesFromString
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def test_main(tmpdir: Path):
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"""Check that calling the main function on an input TTF works."""
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glyphs = ".notdef space A B C a b c".split()
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features = """
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lookup GPOS_EXT useExtension {
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pos a b -10;
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} GPOS_EXT;
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feature kern {
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pos A 20;
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pos A B -50;
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pos A B' 10 C;
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lookup GPOS_EXT;
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} kern;
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"""
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font = TTFont()
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font.setGlyphOrder(glyphs)
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addOpenTypeFeaturesFromString(font, features)
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font["maxp"] = maxp = newTable("maxp")
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maxp.tableVersion = 0x00010000
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maxp.maxZones = 1
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maxp.maxTwilightPoints = 0
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maxp.maxStorage = 0
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maxp.maxFunctionDefs = 0
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maxp.maxInstructionDefs = 0
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maxp.maxStackElements = 0
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maxp.maxSizeOfInstructions = 0
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maxp.maxComponentElements = 0
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maxp.maxPoints = 0
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maxp.maxContours = 0
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maxp.maxCompositePoints = 0
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maxp.maxCompositeContours = 0
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maxp.maxComponentDepth = 0
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maxp.compile(font)
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input = tmpdir / "in.ttf"
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font.save(str(input))
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output = tmpdir / "out.ttf"
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run(["fonttools", "otlLib.optimize", str(input), "-o", str(output)], check=True)
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assert output.exists()
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