Ejemplo n.º 1
0
def calculate_pathop(pen1, pen2, operation):
    if USE_SKIA_PATHOPS:
        p1 = Path()
        pen1.replay(p1.getPen())
        if operation == BooleanOp.Simplify:
            # ignore pen2
            p1.simplify(fix_winding=True, keep_starting_points=True)
            d0 = RecordingPen()
            p1.draw(d0)
            return d0.value
        if pen2:
            p2 = Path()
            pen2.replay(p2.getPen())
        builder = OpBuilder(fix_winding=True, keep_starting_points=True)
        builder.add(p1, PathOp.UNION)
        if pen2:
            builder.add(p2, BooleanOp.Skia(operation))
        result = builder.resolve()
        d0 = RecordingPen()
        result.draw(d0)
        return d0.value
    else:
        bg2 = BooleanGlyph()
        if pen2:
            pen2.replay(bg2.getPen())
        bg = BooleanGlyph()
        pen1.replay(bg.getPen())
        bg = bg._booleanMath(BooleanOp.BooleanGlyphMethod(operation), bg2)
        dp = RecordingPen()
        bg.draw(dp)
        return dp.value
Ejemplo n.º 2
0
 def removeOverlap(self):
     from pathops import Path
     path = Path()
     self.drawToPen(path.getPen())
     path.simplify(
         fix_winding=True,
         keep_starting_points=False,
     )
     resultPath = BezierPath()
     path.draw(resultPath)
     self.path = resultPath.path
Ejemplo n.º 3
0
def build(instance, isTTF, version):
    font = instance.parent
    source = font.masters[0]

    fea, marks = makeFeatures(instance, source)

    source.blueValues = []
    source.otherBlues = []

    for zone in sorted(source.alignmentZones):
        pos = zone.position
        size = zone.size
        vals = sorted((pos, pos + size))
        if pos == 0 or size >= 0:
            source.blueValues.extend(vals)
        else:
            source.otherBlues.extend(vals)

    fontinfo = f"""
        FontName {instance.fontName}
        OrigEmSqUnits {font.upm}
        DominantV {source.verticalStems}
        DominantH {source.horizontalStems}
        BaselineOvershoot {source.blueValues[0]}
        BaselineYCoord {source.blueValues[1]}
        LcHeight {source.blueValues[2]}
        LcOvershoot {source.blueValues[3] - source.blueValues[2]}
        CapHeight {source.blueValues[4]}
        CapOvershoot {source.blueValues[5] - source.blueValues[4]}
        AscenderHeight {source.blueValues[6]}
        AscenderOvershoot {source.blueValues[7] - source.blueValues[6]}
        Baseline5 {source.otherBlues[1]}
        Baseline5Overshoot {source.otherBlues[0] - source.otherBlues[1]}

        FlexOK true
        BlueFuzz 1
    """

    characterMap = {}
    glyphs = {}
    metrics = {}
    layerSet = {g.name: g.layers[source.id] for g in font.glyphs}

    if isTTF:
        from fontTools.pens.cu2quPen import Cu2QuPen
        from fontTools.pens.recordingPen import RecordingPen

        for glyph in font.glyphs:
            layer = glyph.layers[source.id]
            pen = RecordingPen()
            layer.draw(pen)
            layer.paths = []
            layer.components = []
            pen.replay(Cu2QuPen(layer.getPen(), 1.0, reverse_direction=True))

    for glyph in font.glyphs:
        if not glyph.export and not isTTF:
            continue
        name = glyph.name

        for code in glyph.unicodes:
            characterMap[int(code, 16)] = name

        layer = glyph.layers[source.id]
        width = 0 if name in marks else layer.width

        pen = BoundsPen(layerSet)
        layer.draw(pen)
        metrics[name] = (width, pen.bounds[0] if pen.bounds else 0)

        if isTTF:
            from fontTools.pens.ttGlyphPen import TTGlyphPen

            pen = TTGlyphPen(layerSet)
            if layer.paths:
                # Decompose and remove overlaps.
                path = Path()
                layer.draw(DecomposePathPen(path, layerSet))
                path.simplify(fix_winding=True, keep_starting_points=True)
                path.draw(pen)
            else:
                # Composite-only glyph, no need to decompose.
                layer.draw(FlattenComponentsPen(pen, layerSet))
            glyphs[name] = pen.glyph()
        else:
            from fontTools.pens.t2CharStringPen import T2CharStringPen

            # Draw glyph and remove overlaps.
            path = Path()
            layer.draw(DecomposePathPen(path, layerSet))
            path.simplify(fix_winding=True, keep_starting_points=True)

            # Build CharString.
            pen = T2CharStringPen(width, None)
            path.draw(pen)
            glyphs[name] = pen.getCharString()

    vendor = font.customParameters["vendorID"]
    names = {
        "copyright": font.copyright,
        "familyName": instance.familyName,
        "styleName": instance.name,
        "uniqueFontIdentifier": f"{version};{vendor};{instance.fontName}",
        "fullName": instance.fullName,
        "version": f"Version {version}",
        "psName": instance.fontName,
        "manufacturer": font.manufacturer,
        "designer": font.designer,
        "description": font.customParameters["description"],
        "vendorURL": font.manufacturerURL,
        "designerURL": font.designerURL,
        "licenseDescription": font.customParameters["license"],
        "licenseInfoURL": font.customParameters["licenseURL"],
        "sampleText": font.customParameters["sampleText"],
    }

    date = int(font.date.timestamp()) - epoch_diff
    fb = FontBuilder(font.upm, isTTF=isTTF)
    fb.updateHead(fontRevision=version, created=date, modified=date)
    fb.setupGlyphOrder(font.glyphOrder)
    fb.setupCharacterMap(characterMap)
    fb.setupNameTable(names, mac=False)
    fb.setupHorizontalHeader(
        ascent=source.ascender,
        descent=source.descender,
        lineGap=source.customParameters["typoLineGap"],
    )

    if isTTF:
        fb.setupGlyf(glyphs)
    else:
        privateDict = {
            "BlueValues": source.blueValues,
            "OtherBlues": source.otherBlues,
            "StemSnapH": source.horizontalStems,
            "StemSnapV": source.verticalStems,
            "StdHW": source.horizontalStems[0],
            "StdVW": source.verticalStems[0],
        }

        fontInfo = {
            "FullName": names["fullName"],
            "Notice": names["copyright"].replace("©", "\(c\)"),
            "version": f"{version}",
            "Weight": instance.name,
        }

        fb.setupCFF(names["psName"], fontInfo, glyphs, privateDict)

    fb.setupHorizontalMetrics(metrics)

    codePages = [CODEPAGE_RANGES[v] for v in font.customParameters["codePageRanges"]]
    fb.setupOS2(
        version=4,
        sTypoAscender=source.ascender,
        sTypoDescender=source.descender,
        sTypoLineGap=source.customParameters["typoLineGap"],
        usWinAscent=source.ascender,
        usWinDescent=-source.descender,
        sxHeight=source.xHeight,
        sCapHeight=source.capHeight,
        achVendID=vendor,
        fsType=calcBits(font.customParameters["fsType"], 0, 16),
        fsSelection=calcFsSelection(instance),
        ulUnicodeRange1=calcBits(font.customParameters["unicodeRanges"], 0, 32),
        ulCodePageRange1=calcBits(codePages, 0, 32),
    )

    underlineThickness = int(source.customParameters["underlineThickness"])
    underlinePosition = int(source.customParameters["underlinePosition"])
    fb.setupPost(
        keepGlyphNames=False,
        underlineThickness=underlineThickness,
        underlinePosition=underlinePosition + underlineThickness // 2,
    )

    fb.font["meta"] = meta = newTable("meta")
    meta.data = {"dlng": "Arab", "slng": "Arab"}

    fb.addOpenTypeFeatures(fea)

    if isTTF:
        from fontTools.ttLib.tables import ttProgram

        fb.setupDummyDSIG()

        fb.font["gasp"] = gasp = newTable("gasp")
        gasp.gaspRange = {0xFFFF: 15}

        fb.font["prep"] = prep = newTable("prep")
        prep.program = ttProgram.Program()
        assembly = ["PUSHW[]", "511", "SCANCTRL[]", "PUSHB[]", "4", "SCANTYPE[]"]
        prep.program.fromAssembly(assembly)
    else:
        from cffsubr import subroutinize

        subroutinize(fb.font)

    return fb.font
Ejemplo n.º 4
0
def test_strip_collinear_moveTo():
    # https://github.com/fonttools/skia-pathops/issues/12
    path = Path()
    path.moveTo(
        bits2float(0x440b8000),  # 558
        bits2float(0x0),  # 0
    )
    path.lineTo(
        bits2float(0x44098000),  # 550
        bits2float(0x0),  # 0
    )
    path.lineTo(
        bits2float(0x440c247f),  # 560.57
        bits2float(0x41daf87e),  # 27.3713
    )
    path.lineTo(
        bits2float(0x440e247f),  # 568.57
        bits2float(0x41daf87e),  # 27.3713
    )
    path.close()
    path.moveTo(
        bits2float(0x440b0000),  # 556
        bits2float(0x40e00000),  # 7
    )
    path.lineTo(
        bits2float(0x440a4000),  # 553
        bits2float(0x0),  # 0
    )
    path.lineTo(
        bits2float(0x44049c26),  # 530.44
        bits2float(0x0),  # 0
    )
    path.lineTo(
        bits2float(0x44052891),  # 532.634
        bits2float(0x40e00000),  # 7
    )
    path.close()

    path.simplify()

    expected = Path()
    expected.moveTo(
        bits2float(0x440b8000),  # 558
        bits2float(0x0),  # 0
    )
    expected.lineTo(
        bits2float(0x440e247f),  # 568.57
        bits2float(0x41daf87e),  # 27.3713
    )
    expected.lineTo(
        bits2float(0x440c247f),  # 560.57
        bits2float(0x41daf87e),  # 27.3713
    )
    expected.lineTo(
        bits2float(0x440a2d02),  # 552.703
        bits2float(0x40e00000),  # 7
    )
    expected.lineTo(
        bits2float(0x44052891),  # 532.634
        bits2float(0x40e00000),  # 7
    )
    expected.lineTo(
        bits2float(0x44049c26),  # 530.44
        bits2float(0x0),  # 0
    )
    # expected.lineTo(
    #     bits2float(0x44098000),  # 550
    #     bits2float(0x0),  # 0
    # )
    expected.close()

    assert list(path) == list(expected)
Ejemplo n.º 5
0
def build(instance, opts):
    font = instance.parent
    source = font.masters[0]

    fea, marks = makeFeatures(instance, source)

    glyphOrder = []
    advanceWidths = {}
    characterMap = {}
    charStrings = {}

    source.blueValues = []
    source.otherBlues = []

    for zone in sorted(source.alignmentZones):
        pos = zone.position
        size = zone.size
        vals = sorted((pos, pos + size))
        if pos == 0 or size >= 0:
            source.blueValues.extend(vals)
        else:
            source.otherBlues.extend(vals)

    fontinfo = f"""
        FontName {instance.fontName}
        OrigEmSqUnits {font.upm}
        DominantV {source.verticalStems}
        DominantH {source.horizontalStems}
        BaselineOvershoot {source.blueValues[0]}
        BaselineYCoord {source.blueValues[1]}
        LcHeight {source.blueValues[2]}
        LcOvershoot {source.blueValues[3] - source.blueValues[2]}
        CapHeight {source.blueValues[4]}
        CapOvershoot {source.blueValues[5] - source.blueValues[4]}
        AscenderHeight {source.blueValues[6]}
        AscenderOvershoot {source.blueValues[7] - source.blueValues[6]}
        Baseline5 {source.otherBlues[1]}
        Baseline5Overshoot {source.otherBlues[0] - source.otherBlues[1]}

        FlexOK true
        BlueFuzz 1
    """

    layerSet = {g.name: g.layers[source.id] for g in font.glyphs}
    for glyph in font.glyphs:
        if not glyph.export:
            continue
        name = glyph.name

        glyphOrder.append(name)
        for code in glyph.unicodes:
            characterMap[int(code, 16)] = name

        layer = glyph.layers[source.id]
        width = 0 if name in marks else layer.width

        # Draw glyph and remove overlaps.
        path = Path()
        layer.draw(DecomposePathPen(path, layerSet=layerSet))
        path.simplify(fix_winding=True, keep_starting_points=True)

        # Autohint.
        pen = BezPen(None, True)
        path.draw(pen)
        bez = "\n".join(["% " + name, "sc", *pen.bez, "ed", ""])
        hinted = hint_bez_glyph(fontinfo, bez)
        program = [width] + convertBezToT2(hinted)

        # Build CharString.
        charStrings[name] = T2CharString(program=program)
        advanceWidths[name] = width

    # Make sure .notdef is glyph index 0.
    glyphOrder.pop(glyphOrder.index(".notdef"))
    glyphOrder.insert(0, ".notdef")

    version = float(opts.version)
    vendor = font.customParameters["vendorID"]
    names = {
        "copyright": font.copyright,
        "familyName": instance.familyName,
        "styleName": instance.name,
        "uniqueFontIdentifier": f"{version:.03f};{vendor};{instance.fontName}",
        "fullName": instance.fullName,
        "version": f"Version {version:.03f}",
        "psName": instance.fontName,
        "manufacturer": font.manufacturer,
        "designer": font.designer,
        "description": font.customParameters["description"],
        "vendorURL": font.manufacturerURL,
        "designerURL": font.designerURL,
        "licenseDescription": font.customParameters["license"],
        "licenseInfoURL": font.customParameters["licenseURL"],
        "sampleText": font.customParameters["sampleText"],
    }

    date = int(font.date.timestamp()) - epoch_diff
    fb = FontBuilder(font.upm, isTTF=False)
    fb.updateHead(fontRevision=version, created=date, modified=date)
    fb.setupGlyphOrder(glyphOrder)
    fb.setupCharacterMap(characterMap)
    fb.setupNameTable(names, mac=False)
    fb.setupHorizontalHeader(
        ascent=source.ascender,
        descent=source.descender,
        lineGap=source.customParameters["typoLineGap"],
    )

    privateDict = {
        "BlueValues": source.blueValues,
        "OtherBlues": source.otherBlues,
        "StemSnapH": source.horizontalStems,
        "StemSnapV": source.verticalStems,
        "StdHW": source.horizontalStems[0],
        "StdVW": source.verticalStems[0],
    }

    fontInfo = {
        "FullName": names["fullName"],
        "Notice": names["copyright"].replace("©", "\(c\)"),
        "version": f"{version:07.03f}",
        "Weight": instance.name,
    }
    fb.setupCFF(names["psName"], fontInfo, charStrings, privateDict)

    metrics = {}
    for i, (name, width) in enumerate(advanceWidths.items()):
        bounds = charStrings[name].calcBounds(None) or [0]
        metrics[name] = (width, bounds[0])
    fb.setupHorizontalMetrics(metrics)

    codePages = [
        CODEPAGE_RANGES[v] for v in font.customParameters["codePageRanges"]
    ]
    fb.setupOS2(
        version=4,
        sTypoAscender=source.ascender,
        sTypoDescender=source.descender,
        sTypoLineGap=source.customParameters["typoLineGap"],
        usWinAscent=source.ascender,
        usWinDescent=-source.descender,
        sxHeight=source.xHeight,
        sCapHeight=source.capHeight,
        achVendID=vendor,
        fsType=calcBits(font.customParameters["fsType"], 0, 16),
        fsSelection=calcFsSelection(instance),
        ulUnicodeRange1=calcBits(font.customParameters["unicodeRanges"], 0,
                                 32),
        ulCodePageRange1=calcBits(codePages, 0, 32),
    )

    ut = int(source.customParameters["underlineThickness"])
    up = int(source.customParameters["underlinePosition"])
    fb.setupPost(underlineThickness=ut, underlinePosition=up + ut // 2)

    meta = newTable("meta")
    meta.data = {"dlng": "Arab", "slng": "Arab"}
    fb.font["meta"] = meta

    fb.addOpenTypeFeatures(fea)

    return fb.font
Ejemplo n.º 6
0
def build(instance, opts):
    font = instance.parent
    master = font.masters[0]

    fea, marks = makeFeatures(instance, master)

    glyphOrder = []
    advanceWidths = {}
    characterMap = {}
    charStrings = {}
    for glyph in font.glyphs:
        if not glyph.export:
            continue
        name = glyph.name

        glyphOrder.append(name)
        if glyph.unicode:
            characterMap[int(glyph.unicode, 16)] = name

        layer = getLayer(glyph, instance)
        width = 0 if name in marks else layer.width
        path = Path()
        draw(layer, instance, path.getPen())
        path.simplify(fix_winding=True, keep_starting_points=True)
        pen = T2CharStringPen(width, None)
        path.draw(pen)
        charStrings[name] = pen.getCharString(optimize=False)
        advanceWidths[name] = width

    # XXX
    glyphOrder.pop(glyphOrder.index(".notdef"))
    glyphOrder.pop(glyphOrder.index("space"))
    glyphOrder.insert(0, ".notdef")
    glyphOrder.insert(1, "space")

    version = float(opts.version)
    vendor = font.customParameters["vendorID"]
    names = {
        "copyright": font.copyright,
        "familyName": instance.familyName,
        "styleName": instance.name,
        "uniqueFontIdentifier": f"{version:.03f};{vendor};{instance.fontName}",
        "fullName": instance.fullName,
        "version": f"Version {version:.03f}",
        "psName": instance.fontName,
        "manufacturer": font.manufacturer,
        "designer": font.designer,
        "description": font.customParameters["description"],
        "vendorURL": font.manufacturerURL,
        "designerURL": font.designerURL,
        "licenseDescription": font.customParameters["license"],
        "licenseInfoURL": font.customParameters["licenseURL"],
        "sampleText": font.customParameters["sampleText"],
    }

    date = int(font.date.timestamp()) - epoch_diff
    fb = FontBuilder(font.upm, isTTF=False)
    fb.updateHead(fontRevision=version, created=date, modified=date)
    fb.setupGlyphOrder(glyphOrder)
    fb.setupCharacterMap(characterMap)
    fb.setupNameTable(names, mac=False)
    fb.setupHorizontalHeader(ascent=master.ascender, descent=master.descender,
                             lineGap=master.customParameters["typoLineGap"])

    privateDict = {
        "BlueValues": [],
        "OtherBlues": [],
        "StemSnapH": master.horizontalStems,
        "StemSnapV": master.verticalStems,
        "StdHW": master.horizontalStems[0],
        "StdVW": master.verticalStems[0],
    }
    for zone in sorted(master.alignmentZones):
        pos = zone.position
        size = zone.size
        vals = privateDict["BlueValues"] if pos == 0 or size >= 0 else privateDict["OtherBlues"]
        vals.extend(sorted((pos, pos + size)))

    fontInfo = {
        "FullName": names["fullName"],
        "Notice": names["copyright"].replace("©", "\(c\)"),
        "version": f"{version:07.03f}",
        "Weight": instance.name,
    }
    fb.setupCFF(names["psName"], fontInfo, charStrings, privateDict)

    metrics = {}
    for i, (name, width) in enumerate(advanceWidths.items()):
        bounds = charStrings[name].calcBounds(None) or [0]
        metrics[name] = (width, bounds[0])
    fb.setupHorizontalMetrics(metrics)

    codePages = [CODEPAGE_RANGES[v] for v in font.customParameters["codePageRanges"]]
    fb.setupOS2(version=4, sTypoAscender=master.ascender,
                sTypoDescender=master.descender,
                sTypoLineGap=master.customParameters["typoLineGap"],
                usWinAscent=master.ascender, usWinDescent=-master.descender,
                sxHeight=master.xHeight, sCapHeight=master.capHeight,
                achVendID=vendor,
                fsType=calcBits(font.customParameters["fsType"], 0, 16),
                fsSelection=calcFsSelection(instance),
                ulUnicodeRange1=calcBits(font.customParameters["unicodeRanges"], 0, 32),
                ulCodePageRange1=calcBits(codePages, 0, 32))

    ut = int(master.customParameters["underlineThickness"])
    up = int(master.customParameters["underlinePosition"])
    fb.setupPost(underlineThickness=ut, underlinePosition=up + ut//2)

    fb.addOpenTypeFeatures(fea)

    cidinfo = f"""
FontName	({names["psName"]})
FamilyName	({names["familyName"]})
Weight	({fontInfo["Weight"]})
version	({fontInfo["version"]})
Notice	({fontInfo["Notice"]})
Registry	Adobe
Ordering	Identity
Supplement	0
"""

    cidmap = f"mergefonts {instance.fontName}\n" \
            + "\n".join([f"{i} {n}" for i, n in enumerate(glyphOrder)])

    return fb.font, cidinfo, cidmap