278 lines
8.8 KiB
Python
278 lines
8.8 KiB
Python
from __future__ import print_function, division, absolute_import
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from __future__ import unicode_literals
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import os
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import shutil
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import re
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from fontTools.ttLib import TTFont
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from fontTools.pens.ttGlyphPen import TTGlyphPen
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from fontTools.pens.t2CharStringPen import T2CharStringPen
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from fontTools.fontBuilder import FontBuilder
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from fontTools.ttLib.tables.TupleVariation import TupleVariation
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from fontTools.ttLib.tables._g_l_y_f import GlyphCoordinates
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from fontTools.misc.psCharStrings import T2CharString
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def getTestData(fileName, mode="r"):
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path = os.path.join(os.path.dirname(__file__), "data", fileName)
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with open(path, mode) as f:
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return f.read()
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def strip_VariableItems(string):
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# ttlib changes with the fontTools version
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string = re.sub(' ttLibVersion=".*"', '', string)
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# head table checksum and creation and mod date changes with each save.
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string = re.sub('<checkSumAdjustment value="[^"]+"/>', '', string)
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string = re.sub('<modified value="[^"]+"/>', '', string)
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string = re.sub('<created value="[^"]+"/>', '', string)
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return string
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def drawTestGlyph(pen):
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pen.moveTo((100, 100))
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pen.lineTo((100, 1000))
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pen.qCurveTo((200, 900), (400, 900), (500, 1000))
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pen.lineTo((500, 100))
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pen.closePath()
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def _setupFontBuilder(isTTF, unitsPerEm=1024):
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fb = FontBuilder(unitsPerEm, isTTF=isTTF)
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fb.setupGlyphOrder([".notdef", ".null", "A", "a"])
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fb.setupCharacterMap({65: "A", 97: "a"})
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advanceWidths = {".notdef": 600, "A": 600, "a": 600, ".null": 600}
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familyName = "HelloTestFont"
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styleName = "TotallyNormal"
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nameStrings = dict(familyName=dict(en="HelloTestFont", nl="HalloTestFont"),
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styleName=dict(en="TotallyNormal", nl="TotaalNormaal"))
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nameStrings['psName'] = familyName + "-" + styleName
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return fb, advanceWidths, nameStrings
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def _verifyOutput(outPath):
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f = TTFont(outPath)
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f.saveXML(outPath + ".ttx")
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with open(outPath + ".ttx") as f:
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testData = strip_VariableItems(f.read())
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refData = strip_VariableItems(getTestData(os.path.basename(outPath) + ".ttx"))
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assert refData == testData
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def test_build_ttf(tmpdir):
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outPath = os.path.join(str(tmpdir), "test.ttf")
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fb, advanceWidths, nameStrings = _setupFontBuilder(True)
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pen = TTGlyphPen(None)
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drawTestGlyph(pen)
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glyph = pen.glyph()
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glyphs = {".notdef": glyph, "A": glyph, "a": glyph, ".null": glyph}
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fb.setupGlyf(glyphs)
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metrics = {}
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glyphTable = fb.font["glyf"]
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for gn, advanceWidth in advanceWidths.items():
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metrics[gn] = (advanceWidth, glyphTable[gn].xMin)
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fb.setupHorizontalMetrics(metrics)
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fb.setupHorizontalHeader(ascent=824, descent=200)
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fb.setupNameTable(nameStrings)
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fb.setupOS2()
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fb.setupPost()
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fb.setupDummyDSIG()
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fb.save(outPath)
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_verifyOutput(outPath)
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def test_build_otf(tmpdir):
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outPath = os.path.join(str(tmpdir), "test.otf")
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fb, advanceWidths, nameStrings = _setupFontBuilder(False)
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pen = T2CharStringPen(600, None)
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drawTestGlyph(pen)
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charString = pen.getCharString()
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charStrings = {".notdef": charString, "A": charString, "a": charString, ".null": charString}
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fb.setupCFF(nameStrings['psName'], {"FullName": nameStrings['psName']}, charStrings, {})
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metrics = {}
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for gn, advanceWidth in advanceWidths.items():
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metrics[gn] = (advanceWidth, 100) # XXX lsb from glyph
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fb.setupHorizontalMetrics(metrics)
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fb.setupHorizontalHeader(ascent=824, descent=200)
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fb.setupNameTable(nameStrings)
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fb.setupOS2()
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fb.setupPost()
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fb.setupDummyDSIG()
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fb.save(outPath)
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_verifyOutput(outPath)
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def test_build_var(tmpdir):
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outPath = os.path.join(str(tmpdir), "test_var.ttf")
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fb = FontBuilder(1024, isTTF=True)
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fb.setupGlyphOrder([".notdef", ".null", "A", "a"])
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fb.setupCharacterMap({65: "A", 97: "a"})
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advanceWidths = {".notdef": 600, "A": 600, "a": 600, ".null": 600}
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familyName = "HelloTestFont"
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styleName = "TotallyNormal"
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nameStrings = dict(familyName=dict(en="HelloTestFont", nl="HalloTestFont"),
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styleName=dict(en="TotallyNormal", nl="TotaalNormaal"))
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nameStrings['psName'] = familyName + "-" + styleName
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pen = TTGlyphPen(None)
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pen.moveTo((100, 0))
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pen.lineTo((100, 400))
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pen.lineTo((500, 400))
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pen.lineTo((500, 000))
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pen.closePath()
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glyph = pen.glyph()
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pen = TTGlyphPen(None)
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emptyGlyph = pen.glyph()
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glyphs = {".notdef": emptyGlyph, "A": glyph, "a": glyph, ".null": emptyGlyph}
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fb.setupGlyf(glyphs)
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metrics = {}
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glyphTable = fb.font["glyf"]
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for gn, advanceWidth in advanceWidths.items():
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metrics[gn] = (advanceWidth, glyphTable[gn].xMin)
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fb.setupHorizontalMetrics(metrics)
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fb.setupHorizontalHeader(ascent=824, descent=200)
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fb.setupNameTable(nameStrings)
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axes = [
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('LEFT', 0, 0, 100, "Left"),
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('RGHT', 0, 0, 100, "Right"),
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('UPPP', 0, 0, 100, "Up"),
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('DOWN', 0, 0, 100, "Down"),
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]
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instances = [
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dict(location=dict(LEFT=0, RGHT=0, UPPP=0, DOWN=0), stylename="TotallyNormal"),
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dict(location=dict(LEFT=0, RGHT=100, UPPP=100, DOWN=0), stylename="Right Up"),
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]
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fb.setupFvar(axes, instances)
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variations = {}
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# Four (x, y) pairs and four phantom points:
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leftDeltas = [(-200, 0), (-200, 0), (0, 0), (0, 0), None, None, None, None]
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rightDeltas = [(0, 0), (0, 0), (200, 0), (200, 0), None, None, None, None]
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upDeltas = [(0, 0), (0, 200), (0, 200), (0, 0), None, None, None, None]
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downDeltas = [(0, -200), (0, 0), (0, 0), (0, -200), None, None, None, None]
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variations['a'] = [
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TupleVariation(dict(RGHT=(0, 1, 1)), rightDeltas),
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TupleVariation(dict(LEFT=(0, 1, 1)), leftDeltas),
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TupleVariation(dict(UPPP=(0, 1, 1)), upDeltas),
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TupleVariation(dict(DOWN=(0, 1, 1)), downDeltas),
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]
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fb.setupGvar(variations)
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fb.setupOS2()
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fb.setupPost()
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fb.setupDummyDSIG()
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fb.save(outPath)
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_verifyOutput(outPath)
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def test_build_cff2(tmpdir):
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outPath = os.path.join(str(tmpdir), "test_var.otf")
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fb, advanceWidths, nameStrings = _setupFontBuilder(False, 1000)
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fb.setupNameTable(nameStrings)
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axes = [
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('TEST', 0, 0, 100, "Test Axis"),
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]
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instances = [
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dict(location=dict(TEST=0), stylename="TotallyNormal"),
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dict(location=dict(TEST=100), stylename="TotallyTested"),
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]
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fb.setupFvar(axes, instances)
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pen = T2CharStringPen(None, None, CFF2=True)
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drawTestGlyph(pen)
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charString = pen.getCharString()
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program = [
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200, 200, -200, -200, 2, "blend", "rmoveto",
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400, 400, 1, "blend", "hlineto",
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400, 400, 1, "blend", "vlineto",
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-400, -400, 1, "blend", "hlineto"
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]
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charStringVariable = T2CharString(program=program)
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charStrings = {".notdef": charString, "A": charString, "a": charStringVariable, ".null": charString}
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fb.setupCFF2(charStrings, regions=[{"TEST": (0, 1, 1)}])
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metrics = {gn: (advanceWidth, 0) for gn, advanceWidth in advanceWidths.items()}
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fb.setupHorizontalMetrics(metrics)
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fb.setupHorizontalHeader(ascent=824, descent=200)
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fb.setupOS2(sTypoAscender=825, sTypoDescender=200, usWinAscent=824, usWinDescent=200)
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fb.setupPost()
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fb.save(outPath)
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_verifyOutput(outPath)
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def test_setupNameTable_no_mac():
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fb, _, nameStrings = _setupFontBuilder(True)
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fb.setupNameTable(nameStrings, mac=False)
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assert all(n for n in fb.font["name"].names if n.platformID == 3)
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assert not any(n for n in fb.font["name"].names if n.platformID == 1)
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def test_setupNameTable_no_windows():
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fb, _, nameStrings = _setupFontBuilder(True)
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fb.setupNameTable(nameStrings, windows=False)
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assert all(n for n in fb.font["name"].names if n.platformID == 1)
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assert not any(n for n in fb.font["name"].names if n.platformID == 3)
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def test_unicodeVariationSequences(tmpdir):
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familyName = "UVSTestFont"
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styleName = "Regular"
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nameStrings = dict(familyName=familyName, styleName=styleName)
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nameStrings['psName'] = familyName + "-" + styleName
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glyphOrder = [".notdef", "space", "zero", "zero.slash"]
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cmap = {ord(" "): "space", ord("0"): "zero"}
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uvs = [
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(0x0030, 0xFE00, "zero.slash"),
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(0x0030, 0xFE01, "zero"), # not an official sequence, just testing
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]
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metrics = {gn: (600, 0) for gn in glyphOrder}
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pen = TTGlyphPen(None)
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glyph = pen.glyph() # empty placeholder
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glyphs = {gn: glyph for gn in glyphOrder}
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fb = FontBuilder(1024, isTTF=True)
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fb.setupGlyphOrder(glyphOrder)
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fb.setupCharacterMap(cmap, uvs)
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fb.setupGlyf(glyphs)
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fb.setupHorizontalMetrics(metrics)
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fb.setupHorizontalHeader(ascent=824, descent=200)
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fb.setupNameTable(nameStrings)
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fb.setupOS2()
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fb.setupPost()
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outPath = os.path.join(str(tmpdir), "test_uvs.ttf")
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fb.save(outPath)
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_verifyOutput(outPath)
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