Python ttGlyphPen.TTGlyphPen类代码示例

def test_build_ttf(tmpdir):
    outPath = os.path.join(str(tmpdir), "test.ttf")

    fb, advanceWidths, nameStrings = _setupFontBuilder(True)

    pen = TTGlyphPen(None)
    drawTestGlyph(pen)
    glyph = pen.glyph()
    glyphs = {".notdef": glyph, "A": glyph, "a": glyph, ".null": glyph}
    fb.setupGlyf(glyphs)
    metrics = {}
    glyphTable = fb.font["glyf"]
    for gn, advanceWidth in advanceWidths.items():
        metrics[gn] = (advanceWidth, glyphTable[gn].xMin)
    fb.setupHorizontalMetrics(metrics)

    fb.setupHorizontalHeader(ascent=824, descent=200)
    fb.setupNameTable(nameStrings)
    fb.setupOS2()
    fb.setupPost()
    fb.setupDummyDSIG()

    fb.save(outPath)

    f = TTFont(outPath)
    f.saveXML(outPath + ".ttx")
    with open(outPath + ".ttx") as f:
        testData = strip_VariableItems(f.read())
    refData = strip_VariableItems(getTestData("test.ttf.ttx"))
    assert refData == testData

 def test_closePath_ignoresAnchors(self):
     pen = TTGlyphPen(None)
     pen.moveTo((0, 0))
     pen.closePath()
     self.assertFalse(pen.points)
     self.assertFalse(pen.types)
     self.assertFalse(pen.endPts)

    def setupTable_glyf(self):
        """Make the glyf table."""

        allGlyphs = self.allGlyphs
        if self.convertCubics:
            from cu2qu.pens import Cu2QuPen
            allGlyphs = {}
            for name, glyph in self.allGlyphs.items():
                if isinstance(glyph, StubGlyph):
                    allGlyphs[name] = glyph
                    continue
                newGlyph = glyph.__class__()
                glyph.draw(Cu2QuPen(
                    newGlyph.getPen(), self.cubicConversionError,
                    reverse_direction=True))
                allGlyphs[name] = newGlyph

        self.otf["loca"] = newTable("loca")
        self.otf["glyf"] = glyf = newTable("glyf")
        glyf.glyphs = {}
        glyf.glyphOrder = self.glyphOrder

        for name in self.glyphOrder:
            pen = TTGlyphPen(allGlyphs)
            allGlyphs[name].draw(pen)
            glyf[name] = pen.glyph()

def test_build_ttf(tmpdir):
    outPath = os.path.join(str(tmpdir), "test.ttf")

    fb, advanceWidths, nameStrings = _setupFontBuilder(True)

    pen = TTGlyphPen(None)
    drawTestGlyph(pen)
    glyph = pen.glyph()
    glyphs = {".notdef": glyph, "A": glyph, "a": glyph, ".null": glyph}
    fb.setupGlyf(glyphs)
    metrics = {}
    glyphTable = fb.font["glyf"]
    for gn, advanceWidth in advanceWidths.items():
        metrics[gn] = (advanceWidth, glyphTable[gn].xMin)
    fb.setupHorizontalMetrics(metrics)

    fb.setupHorizontalHeader(ascent=824, descent=200)
    fb.setupNameTable(nameStrings)
    fb.setupOS2()
    fb.setupPost()
    fb.setupDummyDSIG()

    fb.save(outPath)

    _verifyOutput(outPath)

    def test_trim_remove_hinting_composite_glyph(self):
        glyphSet = {"dummy": TTGlyphPen(None).glyph()}

        pen = TTGlyphPen(glyphSet)
        pen.addComponent("dummy", (1, 0, 0, 1, 0, 0))
        composite = pen.glyph()
        p = ttProgram.Program()
        p.fromAssembly(['SVTCA[0]'])
        composite.program = p
        glyphSet["composite"] = composite

        glyfTable = newTable("glyf")
        glyfTable.glyphs = glyphSet
        glyfTable.glyphOrder = sorted(glyphSet)

        composite.compact(glyfTable)

        self.assertTrue(hasattr(composite, "data"))

        # remove hinting from the compacted composite glyph, without expanding it
        composite.trim(remove_hinting=True)

        # check that, after expanding the glyph, we have no instructions
        composite.expand(glyfTable)
        self.assertFalse(hasattr(composite, "program"))

        # now remove hinting from expanded composite glyph
        composite.program = p
        composite.trim(remove_hinting=True)

        # check we have no instructions
        self.assertFalse(hasattr(composite, "program"))

        composite.compact(glyfTable)

def glyphs_to_quadratic(
        glyphs, max_err=MAX_ERR, reverse_direction=REVERSE_DIRECTION):
    quadGlyphs = {}
    for gname in glyphs.keys():
        glyph = glyphs[gname]
        ttPen = TTGlyphPen(glyphs)
        cu2quPen = Cu2QuPen(ttPen, max_err,
                            reverse_direction=reverse_direction)
        glyph.draw(cu2quPen)
        quadGlyphs[gname] = ttPen.glyph()
    return quadGlyphs

 def test_remove_extra_move_points(self):
     pen = TTGlyphPen(None)
     pen.moveTo((0, 0))
     pen.lineTo((100, 0))
     pen.qCurveTo((100, 50), (50, 100), (0, 0))
     pen.closePath()
     self.assertEqual(len(pen.points), 4)
     self.assertEqual(pen.points[0], (0, 0))

    def setupTable_glyf(self):
        """Make the glyf table."""

        self.otf["loca"] = newTable("loca")
        self.otf["glyf"] = glyf = newTable("glyf")
        glyf.glyphs = {}
        glyf.glyphOrder = self.glyphOrder

        for glyph in self.ufo:
            pen = TTGlyphPen(self.ufo)
            glyph.draw(pen)
            glyf[glyph.name] = pen.glyph()

    def setupTable_glyf(self):
        """Make the glyf table."""

        self.otf["loca"] = newTable("loca")
        self.otf["glyf"] = glyf = newTable("glyf")
        glyf.glyphs = {}
        glyf.glyphOrder = self.glyphOrder

        for name in self.glyphOrder:
            pen = TTGlyphPen(self.allGlyphs)
            self.allGlyphs[name].draw(pen)
            glyf[name] = pen.glyph()

 def test_keep_move_point(self):
     pen = TTGlyphPen(None)
     pen.moveTo((0, 0))
     pen.lineTo((100, 0))
     pen.qCurveTo((100, 50), (50, 100), (30, 30))
     # when last and move pts are different, closePath() implies a lineTo
     pen.closePath()
     self.assertEqual(len(pen.points), 5)
     self.assertEqual(pen.points[0], (0, 0))

 def test_recursiveComponent(self):
     glyphSet = {}
     pen_dummy = TTGlyphPen(glyphSet)
     glyph_dummy = pen_dummy.glyph()
     glyphSet["A"] = glyph_dummy
     glyphSet["B"] = glyph_dummy
     pen_A = TTGlyphPen(glyphSet)
     pen_A.addComponent("B", (1, 0, 0, 1, 0, 0))
     pen_B = TTGlyphPen(glyphSet)
     pen_B.addComponent("A", (1, 0, 0, 1, 0, 0))
     glyph_A = pen_A.glyph()
     glyph_B = pen_B.glyph()
     glyphSet["A"] = glyph_A
     glyphSet["B"] = glyph_B
     with self.assertRaisesRegex(TTLibError, "glyph '.' contains a recursive component reference"):
         glyph_A.getCoordinates(glyphSet)

    def runEndToEnd(self, filename):
        font = ttLib.TTFont()
        ttx_path = os.path.join(
            os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
            '..', 'ttLib', 'data', filename)
        font.importXML(ttx_path)

        glyphSet = font.getGlyphSet()
        glyfTable = font['glyf']
        pen = TTGlyphPen(font.getGlyphSet())

        for name in font.getGlyphOrder():
            oldGlyph = glyphSet[name]
            oldGlyph.draw(pen)
            oldGlyph = oldGlyph._glyph
            newGlyph = pen.glyph()

            if hasattr(oldGlyph, 'program'):
                newGlyph.program = oldGlyph.program

            self.assertEqual(
                oldGlyph.compile(glyfTable), newGlyph.compile(glyfTable))

def test_unicodeVariationSequences(tmpdir):
    familyName = "UVSTestFont"
    styleName = "Regular"
    nameStrings = dict(familyName=familyName, styleName=styleName)
    nameStrings['psName'] = familyName + "-" + styleName
    glyphOrder = [".notdef", "space", "zero", "zero.slash"]
    cmap = {ord(" "): "space", ord("0"): "zero"}
    uvs = [
        (0x0030, 0xFE00, "zero.slash"),
        (0x0030, 0xFE01, None),  # not an official sequence, just testing
    ]
    metrics = {gn: (600, 0) for gn in glyphOrder}
    pen = TTGlyphPen(None)
    glyph = pen.glyph()  # empty placeholder
    glyphs = {gn: glyph for gn in glyphOrder}

    fb = FontBuilder(1024, isTTF=True)
    fb.setupGlyphOrder(glyphOrder)
    fb.setupCharacterMap(cmap, uvs)
    fb.setupGlyf(glyphs)
    fb.setupHorizontalMetrics(metrics)
    fb.setupHorizontalHeader(ascent=824, descent=200)
    fb.setupNameTable(nameStrings)
    fb.setupOS2()
    fb.setupPost()

    outPath = os.path.join(str(tmpdir), "test_uvs.ttf")
    fb.save(outPath)
    _verifyOutput(outPath, tables=["cmap"])

    uvs = [
        (0x0030, 0xFE00, "zero.slash"),
        (0x0030, 0xFE01, "zero"),  # should result in the exact same subtable data, due to cmap[0x0030] == "zero"
    ]
    fb.setupCharacterMap(cmap, uvs)
    fb.save(outPath)
    _verifyOutput(outPath, tables=["cmap"])

def test_build_var(tmpdir):
    outPath = os.path.join(str(tmpdir), "test_var.ttf")

    fb = FontBuilder(1024, isTTF=True)
    fb.setupGlyphOrder([".notdef", ".null", "A", "a"])
    fb.setupCharacterMap({65: "A", 97: "a"})

    advanceWidths = {".notdef": 600, "A": 600, "a": 600, ".null": 600}

    familyName = "HelloTestFont"
    styleName = "TotallyNormal"
    nameStrings = dict(familyName=dict(en="HelloTestFont", nl="HalloTestFont"),
                       styleName=dict(en="TotallyNormal", nl="TotaalNormaal"))
    nameStrings['psName'] = familyName + "-" + styleName

    pen = TTGlyphPen(None)
    pen.moveTo((100, 0))
    pen.lineTo((100, 400))
    pen.lineTo((500, 400))
    pen.lineTo((500, 000))
    pen.closePath()

    glyph = pen.glyph()

    pen = TTGlyphPen(None)
    emptyGlyph = pen.glyph()

    glyphs = {".notdef": emptyGlyph, "A": glyph, "a": glyph, ".null": emptyGlyph}
    fb.setupGlyf(glyphs)
    metrics = {}
    glyphTable = fb.font["glyf"]
    for gn, advanceWidth in advanceWidths.items():
        metrics[gn] = (advanceWidth, glyphTable[gn].xMin)
    fb.setupHorizontalMetrics(metrics)

    fb.setupHorizontalHeader(ascent=824, descent=200)
    fb.setupNameTable(nameStrings)

    axes = [
        ('LEFT', 0, 0, 100, "Left"),
        ('RGHT', 0, 0, 100, "Right"),
        ('UPPP', 0, 0, 100, "Up"),
        ('DOWN', 0, 0, 100, "Down"),
    ]
    instances = [
        dict(location=dict(LEFT=0, RGHT=0, UPPP=0, DOWN=0), stylename="TotallyNormal"),
        dict(location=dict(LEFT=0, RGHT=100, UPPP=100, DOWN=0), stylename="Right Up"),
    ]
    fb.setupFvar(axes, instances)
    variations = {}
    # Four (x, y) pairs and four phantom points:
    leftDeltas = [(-200, 0), (-200, 0), (0, 0), (0, 0), None, None, None, None]
    rightDeltas = [(0, 0), (0, 0), (200, 0), (200, 0), None, None, None, None]
    upDeltas = [(0, 0), (0, 200), (0, 200), (0, 0), None, None, None, None]
    downDeltas = [(0, -200), (0, 0), (0, 0), (0, -200), None, None, None, None]
    variations['a'] = [
        TupleVariation(dict(RGHT=(0, 1, 1)), rightDeltas),
        TupleVariation(dict(LEFT=(0, 1, 1)), leftDeltas),
        TupleVariation(dict(UPPP=(0, 1, 1)), upDeltas),
        TupleVariation(dict(DOWN=(0, 1, 1)), downDeltas),
    ]
    fb.setupGvar(variations)

    fb.setupOS2()
    fb.setupPost()
    fb.setupDummyDSIG()

    fb.save(outPath)

    _verifyOutput(outPath)

    def test_out_of_range_transform_decomposed(self):
        componentName = 'a'
        glyphSet = {}
        pen = TTGlyphPen(glyphSet)

        pen.moveTo((0, 0))
        pen.lineTo((0, 1))
        pen.lineTo((1, 0))
        pen.closePath()
        glyphSet[componentName] = _TestGlyph(pen.glyph())

        pen.addComponent(componentName, (3, 0, 0, 2, 0, 0))
        pen.addComponent(componentName, (1, 0, 0, 1, -1, 2))
        pen.addComponent(componentName, (2, 0, 0, -3, 0, 0))
        compositeGlyph = pen.glyph()

        pen.moveTo((0, 0))
        pen.lineTo((0, 2))
        pen.lineTo((3, 0))
        pen.closePath()
        pen.moveTo((-1, 2))
        pen.lineTo((-1, 3))
        pen.lineTo((0, 2))
        pen.closePath()
        pen.moveTo((0, 0))
        pen.lineTo((0, -3))
        pen.lineTo((2, 0))
        pen.closePath()
        expectedGlyph = pen.glyph()

        self.assertEqual(expectedGlyph, compositeGlyph)