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mantis_evalkit/lib/python3.10/site-packages/fontTools/colorLib/builder.py

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+"""
+colorLib.builder: Build COLR/CPAL tables from scratch
+
+"""
+
+import collections
+import copy
+import enum
+from functools import partial
+from math import ceil, log
+from typing import (
+    Any,
+    Dict,
+    Generator,
+    Iterable,
+    List,
+    Mapping,
+    Optional,
+    Sequence,
+    Tuple,
+    Type,
+    TypeVar,
+    Union,
+)
+from fontTools.misc.arrayTools import intRect
+from fontTools.misc.fixedTools import fixedToFloat
+from fontTools.misc.treeTools import build_n_ary_tree
+from fontTools.ttLib.tables import C_O_L_R_
+from fontTools.ttLib.tables import C_P_A_L_
+from fontTools.ttLib.tables import _n_a_m_e
+from fontTools.ttLib.tables import otTables as ot
+from fontTools.ttLib.tables.otTables import ExtendMode, CompositeMode
+from .errors import ColorLibError
+from .geometry import round_start_circle_stable_containment
+from .table_builder import BuildCallback, TableBuilder
+
+
+# TODO move type aliases to colorLib.types?
+T = TypeVar("T")
+_Kwargs = Mapping[str, Any]
+_PaintInput = Union[int, _Kwargs, ot.Paint, Tuple[str, "_PaintInput"]]
+_PaintInputList = Sequence[_PaintInput]
+_ColorGlyphsDict = Dict[str, Union[_PaintInputList, _PaintInput]]
+_ColorGlyphsV0Dict = Dict[str, Sequence[Tuple[str, int]]]
+_ClipBoxInput = Union[
+    Tuple[int, int, int, int, int],  # format 1, variable
+    Tuple[int, int, int, int],  # format 0, non-variable
+    ot.ClipBox,
+]
+
+
+MAX_PAINT_COLR_LAYER_COUNT = 255
+_DEFAULT_ALPHA = 1.0
+_MAX_REUSE_LEN = 32
+
+
+def _beforeBuildPaintRadialGradient(paint, source):
+    x0 = source["x0"]
+    y0 = source["y0"]
+    r0 = source["r0"]
+    x1 = source["x1"]
+    y1 = source["y1"]
+    r1 = source["r1"]
+
+    # TODO apparently no builder_test confirms this works (?)
+
+    # avoid abrupt change after rounding when c0 is near c1's perimeter
+    c = round_start_circle_stable_containment((x0, y0), r0, (x1, y1), r1)
+    x0, y0 = c.centre
+    r0 = c.radius
+
+    # update source to ensure paint is built with corrected values
+    source["x0"] = x0
+    source["y0"] = y0
+    source["r0"] = r0
+    source["x1"] = x1
+    source["y1"] = y1
+    source["r1"] = r1
+
+    return paint, source
+
+
+def _defaultColorStop():
+    colorStop = ot.ColorStop()
+    colorStop.Alpha = _DEFAULT_ALPHA
+    return colorStop
+
+
+def _defaultVarColorStop():
+    colorStop = ot.VarColorStop()
+    colorStop.Alpha = _DEFAULT_ALPHA
+    return colorStop
+
+
+def _defaultColorLine():
+    colorLine = ot.ColorLine()
+    colorLine.Extend = ExtendMode.PAD
+    return colorLine
+
+
+def _defaultVarColorLine():
+    colorLine = ot.VarColorLine()
+    colorLine.Extend = ExtendMode.PAD
+    return colorLine
+
+
+def _defaultPaintSolid():
+    paint = ot.Paint()
+    paint.Alpha = _DEFAULT_ALPHA
+    return paint
+
+
+def _buildPaintCallbacks():
+    return {
+        (
+            BuildCallback.BEFORE_BUILD,
+            ot.Paint,
+            ot.PaintFormat.PaintRadialGradient,
+        ): _beforeBuildPaintRadialGradient,
+        (
+            BuildCallback.BEFORE_BUILD,
+            ot.Paint,
+            ot.PaintFormat.PaintVarRadialGradient,
+        ): _beforeBuildPaintRadialGradient,
+        (BuildCallback.CREATE_DEFAULT, ot.ColorStop): _defaultColorStop,
+        (BuildCallback.CREATE_DEFAULT, ot.VarColorStop): _defaultVarColorStop,
+        (BuildCallback.CREATE_DEFAULT, ot.ColorLine): _defaultColorLine,
+        (BuildCallback.CREATE_DEFAULT, ot.VarColorLine): _defaultVarColorLine,
+        (
+            BuildCallback.CREATE_DEFAULT,
+            ot.Paint,
+            ot.PaintFormat.PaintSolid,
+        ): _defaultPaintSolid,
+        (
+            BuildCallback.CREATE_DEFAULT,
+            ot.Paint,
+            ot.PaintFormat.PaintVarSolid,
+        ): _defaultPaintSolid,
+    }
+
+
+def populateCOLRv0(
+    table: ot.COLR,
+    colorGlyphsV0: _ColorGlyphsV0Dict,
+    glyphMap: Optional[Mapping[str, int]] = None,
+):
+    """Build v0 color layers and add to existing COLR table.
+
+    Args:
+        table: a raw ``otTables.COLR()`` object (not ttLib's ``table_C_O_L_R_``).
+        colorGlyphsV0: map of base glyph names to lists of (layer glyph names,
+            color palette index) tuples. Can be empty.
+        glyphMap: a map from glyph names to glyph indices, as returned from
+            ``TTFont.getReverseGlyphMap()``, to optionally sort base records by GID.
+    """
+    if glyphMap is not None:
+        colorGlyphItems = sorted(
+            colorGlyphsV0.items(), key=lambda item: glyphMap[item[0]]
+        )
+    else:
+        colorGlyphItems = colorGlyphsV0.items()
+    baseGlyphRecords = []
+    layerRecords = []
+    for baseGlyph, layers in colorGlyphItems:
+        baseRec = ot.BaseGlyphRecord()
+        baseRec.BaseGlyph = baseGlyph
+        baseRec.FirstLayerIndex = len(layerRecords)
+        baseRec.NumLayers = len(layers)
+        baseGlyphRecords.append(baseRec)
+
+        for layerGlyph, paletteIndex in layers:
+            layerRec = ot.LayerRecord()
+            layerRec.LayerGlyph = layerGlyph
+            layerRec.PaletteIndex = paletteIndex
+            layerRecords.append(layerRec)
+
+    table.BaseGlyphRecordArray = table.LayerRecordArray = None
+    if baseGlyphRecords:
+        table.BaseGlyphRecordArray = ot.BaseGlyphRecordArray()
+        table.BaseGlyphRecordArray.BaseGlyphRecord = baseGlyphRecords
+    if layerRecords:
+        table.LayerRecordArray = ot.LayerRecordArray()
+        table.LayerRecordArray.LayerRecord = layerRecords
+    table.BaseGlyphRecordCount = len(baseGlyphRecords)
+    table.LayerRecordCount = len(layerRecords)
+
+
+def buildCOLR(
+    colorGlyphs: _ColorGlyphsDict,
+    version: Optional[int] = None,
+    *,
+    glyphMap: Optional[Mapping[str, int]] = None,
+    varStore: Optional[ot.VarStore] = None,
+    varIndexMap: Optional[ot.DeltaSetIndexMap] = None,
+    clipBoxes: Optional[Dict[str, _ClipBoxInput]] = None,
+    allowLayerReuse: bool = True,
+) -> C_O_L_R_.table_C_O_L_R_:
+    """Build COLR table from color layers mapping.
+
+    Args:
+
+        colorGlyphs: map of base glyph name to, either list of (layer glyph name,
+            color palette index) tuples for COLRv0; or a single ``Paint`` (dict) or
+            list of ``Paint`` for COLRv1.
+        version: the version of COLR table. If None, the version is determined
+            by the presence of COLRv1 paints or variation data (varStore), which
+            require version 1; otherwise, if all base glyphs use only simple color
+            layers, version 0 is used.
+        glyphMap: a map from glyph names to glyph indices, as returned from
+            TTFont.getReverseGlyphMap(), to optionally sort base records by GID.
+        varStore: Optional ItemVarationStore for deltas associated with v1 layer.
+        varIndexMap: Optional DeltaSetIndexMap for deltas associated with v1 layer.
+        clipBoxes: Optional map of base glyph name to clip box 4- or 5-tuples:
+            (xMin, yMin, xMax, yMax) or (xMin, yMin, xMax, yMax, varIndexBase).
+
+    Returns:
+        A new COLR table.
+    """
+    self = C_O_L_R_.table_C_O_L_R_()
+
+    if varStore is not None and version == 0:
+        raise ValueError("Can't add VarStore to COLRv0")
+
+    if version in (None, 0) and not varStore:
+        # split color glyphs into v0 and v1 and encode separately
+        colorGlyphsV0, colorGlyphsV1 = _split_color_glyphs_by_version(colorGlyphs)
+        if version == 0 and colorGlyphsV1:
+            raise ValueError("Can't encode COLRv1 glyphs in COLRv0")
+    else:
+        # unless explicitly requested for v1 or have variations, in which case
+        # we encode all color glyph as v1
+        colorGlyphsV0, colorGlyphsV1 = {}, colorGlyphs
+
+    colr = ot.COLR()
+
+    populateCOLRv0(colr, colorGlyphsV0, glyphMap)
+
+    colr.LayerList, colr.BaseGlyphList = buildColrV1(
+        colorGlyphsV1,
+        glyphMap,
+        allowLayerReuse=allowLayerReuse,
+    )
+
+    if version is None:
+        version = 1 if (varStore or colorGlyphsV1) else 0
+    elif version not in (0, 1):
+        raise NotImplementedError(version)
+    self.version = colr.Version = version
+
+    if version == 0:
+        self.ColorLayers = self._decompileColorLayersV0(colr)
+    else:
+        colr.ClipList = buildClipList(clipBoxes) if clipBoxes else None
+        colr.VarIndexMap = varIndexMap
+        colr.VarStore = varStore
+        self.table = colr
+
+    return self
+
+
+def buildClipList(clipBoxes: Dict[str, _ClipBoxInput]) -> ot.ClipList:
+    clipList = ot.ClipList()
+    clipList.Format = 1
+    clipList.clips = {name: buildClipBox(box) for name, box in clipBoxes.items()}
+    return clipList
+
+
+def buildClipBox(clipBox: _ClipBoxInput) -> ot.ClipBox:
+    if isinstance(clipBox, ot.ClipBox):
+        return clipBox
+    n = len(clipBox)
+    clip = ot.ClipBox()
+    if n not in (4, 5):
+        raise ValueError(f"Invalid ClipBox: expected 4 or 5 values, found {n}")
+    clip.xMin, clip.yMin, clip.xMax, clip.yMax = intRect(clipBox[:4])
+    clip.Format = int(n == 5) + 1
+    if n == 5:
+        clip.VarIndexBase = int(clipBox[4])
+    return clip
+
+
+class ColorPaletteType(enum.IntFlag):
+    USABLE_WITH_LIGHT_BACKGROUND = 0x0001
+    USABLE_WITH_DARK_BACKGROUND = 0x0002
+
+    @classmethod
+    def _missing_(cls, value):
+        # enforce reserved bits
+        if isinstance(value, int) and (value < 0 or value & 0xFFFC != 0):
+            raise ValueError(f"{value} is not a valid {cls.__name__}")
+        return super()._missing_(value)
+
+
+# None, 'abc' or {'en': 'abc', 'de': 'xyz'}
+_OptionalLocalizedString = Union[None, str, Dict[str, str]]
+
+
+def buildPaletteLabels(
+    labels: Iterable[_OptionalLocalizedString], nameTable: _n_a_m_e.table__n_a_m_e
+) -> List[Optional[int]]:
+    return [
+        (
+            nameTable.addMultilingualName(l, mac=False)
+            if isinstance(l, dict)
+            else (
+                C_P_A_L_.table_C_P_A_L_.NO_NAME_ID
+                if l is None
+                else nameTable.addMultilingualName({"en": l}, mac=False)
+            )
+        )
+        for l in labels
+    ]
+
+
+def buildCPAL(
+    palettes: Sequence[Sequence[Tuple[float, float, float, float]]],
+    paletteTypes: Optional[Sequence[ColorPaletteType]] = None,
+    paletteLabels: Optional[Sequence[_OptionalLocalizedString]] = None,
+    paletteEntryLabels: Optional[Sequence[_OptionalLocalizedString]] = None,
+    nameTable: Optional[_n_a_m_e.table__n_a_m_e] = None,
+) -> C_P_A_L_.table_C_P_A_L_:
+    """Build CPAL table from list of color palettes.
+
+    Args:
+        palettes: list of lists of colors encoded as tuples of (R, G, B, A) floats
+            in the range [0..1].
+        paletteTypes: optional list of ColorPaletteType, one for each palette.
+        paletteLabels: optional list of palette labels. Each lable can be either:
+            None (no label), a string (for for default English labels), or a
+            localized string (as a dict keyed with BCP47 language codes).
+        paletteEntryLabels: optional list of palette entry labels, one for each
+            palette entry (see paletteLabels).
+        nameTable: optional name table where to store palette and palette entry
+            labels. Required if either paletteLabels or paletteEntryLabels is set.
+
+    Return:
+        A new CPAL v0 or v1 table, if custom palette types or labels are specified.
+    """
+    if len({len(p) for p in palettes}) != 1:
+        raise ColorLibError("color palettes have different lengths")
+
+    if (paletteLabels or paletteEntryLabels) and not nameTable:
+        raise TypeError(
+            "nameTable is required if palette or palette entries have labels"
+        )
+
+    cpal = C_P_A_L_.table_C_P_A_L_()
+    cpal.numPaletteEntries = len(palettes[0])
+
+    cpal.palettes = []
+    for i, palette in enumerate(palettes):
+        colors = []
+        for j, color in enumerate(palette):
+            if not isinstance(color, tuple) or len(color) != 4:
+                raise ColorLibError(
+                    f"In palette[{i}][{j}]: expected (R, G, B, A) tuple, got {color!r}"
+                )
+            if any(v > 1 or v < 0 for v in color):
+                raise ColorLibError(
+                    f"palette[{i}][{j}] has invalid out-of-range [0..1] color: {color!r}"
+                )
+            # input colors are RGBA, CPAL encodes them as BGRA
+            red, green, blue, alpha = color
+            colors.append(
+                C_P_A_L_.Color(*(round(v * 255) for v in (blue, green, red, alpha)))
+            )
+        cpal.palettes.append(colors)
+
+    if any(v is not None for v in (paletteTypes, paletteLabels, paletteEntryLabels)):
+        cpal.version = 1
+
+        if paletteTypes is not None:
+            if len(paletteTypes) != len(palettes):
+                raise ColorLibError(
+                    f"Expected {len(palettes)} paletteTypes, got {len(paletteTypes)}"
+                )
+            cpal.paletteTypes = [ColorPaletteType(t).value for t in paletteTypes]
+        else:
+            cpal.paletteTypes = [C_P_A_L_.table_C_P_A_L_.DEFAULT_PALETTE_TYPE] * len(
+                palettes
+            )
+
+        if paletteLabels is not None:
+            if len(paletteLabels) != len(palettes):
+                raise ColorLibError(
+                    f"Expected {len(palettes)} paletteLabels, got {len(paletteLabels)}"
+                )
+            cpal.paletteLabels = buildPaletteLabels(paletteLabels, nameTable)
+        else:
+            cpal.paletteLabels = [C_P_A_L_.table_C_P_A_L_.NO_NAME_ID] * len(palettes)
+
+        if paletteEntryLabels is not None:
+            if len(paletteEntryLabels) != cpal.numPaletteEntries:
+                raise ColorLibError(
+                    f"Expected {cpal.numPaletteEntries} paletteEntryLabels, "
+                    f"got {len(paletteEntryLabels)}"
+                )
+            cpal.paletteEntryLabels = buildPaletteLabels(paletteEntryLabels, nameTable)
+        else:
+            cpal.paletteEntryLabels = [
+                C_P_A_L_.table_C_P_A_L_.NO_NAME_ID
+            ] * cpal.numPaletteEntries
+    else:
+        cpal.version = 0
+
+    return cpal
+
+
+# COLR v1 tables
+# See draft proposal at: https://github.com/googlefonts/colr-gradients-spec
+
+
+def _is_colrv0_layer(layer: Any) -> bool:
+    # Consider as COLRv0 layer any sequence of length 2 (be it tuple or list) in which
+    # the first element is a str (the layerGlyph) and the second element is an int
+    # (CPAL paletteIndex).
+    # https://github.com/googlefonts/ufo2ft/issues/426
+    try:
+        layerGlyph, paletteIndex = layer
+    except (TypeError, ValueError):
+        return False
+    else:
+        return isinstance(layerGlyph, str) and isinstance(paletteIndex, int)
+
+
+def _split_color_glyphs_by_version(
+    colorGlyphs: _ColorGlyphsDict,
+) -> Tuple[_ColorGlyphsV0Dict, _ColorGlyphsDict]:
+    colorGlyphsV0 = {}
+    colorGlyphsV1 = {}
+    for baseGlyph, layers in colorGlyphs.items():
+        if all(_is_colrv0_layer(l) for l in layers):
+            colorGlyphsV0[baseGlyph] = layers
+        else:
+            colorGlyphsV1[baseGlyph] = layers
+
+    # sanity check
+    assert set(colorGlyphs) == (set(colorGlyphsV0) | set(colorGlyphsV1))
+
+    return colorGlyphsV0, colorGlyphsV1
+
+
+def _reuse_ranges(num_layers: int) -> Generator[Tuple[int, int], None, None]:
+    # TODO feels like something itertools might have already
+    for lbound in range(num_layers):
+        # Reuse of very large #s of layers is relatively unlikely
+        # +2: we want sequences of at least 2
+        # otData handles single-record duplication
+        for ubound in range(
+            lbound + 2, min(num_layers + 1, lbound + 2 + _MAX_REUSE_LEN)
+        ):
+            yield (lbound, ubound)
+
+
+class LayerReuseCache:
+    reusePool: Mapping[Tuple[Any, ...], int]
+    tuples: Mapping[int, Tuple[Any, ...]]
+    keepAlive: List[ot.Paint]  # we need id to remain valid
+
+    def __init__(self):
+        self.reusePool = {}
+        self.tuples = {}
+        self.keepAlive = []
+
+    def _paint_tuple(self, paint: ot.Paint):
+        # start simple, who even cares about cyclic graphs or interesting field types
+        def _tuple_safe(value):
+            if isinstance(value, enum.Enum):
+                return value
+            elif hasattr(value, "__dict__"):
+                return tuple(
+                    (k, _tuple_safe(v)) for k, v in sorted(value.__dict__.items())
+                )
+            elif isinstance(value, collections.abc.MutableSequence):
+                return tuple(_tuple_safe(e) for e in value)
+            return value
+
+        # Cache the tuples for individual Paint instead of the whole sequence
+        # because the seq could be a transient slice
+        result = self.tuples.get(id(paint), None)
+        if result is None:
+            result = _tuple_safe(paint)
+            self.tuples[id(paint)] = result
+            self.keepAlive.append(paint)
+        return result
+
+    def _as_tuple(self, paints: Sequence[ot.Paint]) -> Tuple[Any, ...]:
+        return tuple(self._paint_tuple(p) for p in paints)
+
+    def try_reuse(self, layers: List[ot.Paint]) -> List[ot.Paint]:
+        found_reuse = True
+        while found_reuse:
+            found_reuse = False
+
+            ranges = sorted(
+                _reuse_ranges(len(layers)),
+                key=lambda t: (t[1] - t[0], t[1], t[0]),
+                reverse=True,
+            )
+            for lbound, ubound in ranges:
+                reuse_lbound = self.reusePool.get(
+                    self._as_tuple(layers[lbound:ubound]), -1
+                )
+                if reuse_lbound == -1:
+                    continue
+                new_slice = ot.Paint()
+                new_slice.Format = int(ot.PaintFormat.PaintColrLayers)
+                new_slice.NumLayers = ubound - lbound
+                new_slice.FirstLayerIndex = reuse_lbound
+                layers = layers[:lbound] + [new_slice] + layers[ubound:]
+                found_reuse = True
+                break
+        return layers
+
+    def add(self, layers: List[ot.Paint], first_layer_index: int):
+        for lbound, ubound in _reuse_ranges(len(layers)):
+            self.reusePool[self._as_tuple(layers[lbound:ubound])] = (
+                lbound + first_layer_index
+            )
+
+
+class LayerListBuilder:
+    layers: List[ot.Paint]
+    cache: LayerReuseCache
+    allowLayerReuse: bool
+
+    def __init__(self, *, allowLayerReuse=True):
+        self.layers = []
+        if allowLayerReuse:
+            self.cache = LayerReuseCache()
+        else:
+            self.cache = None
+
+        # We need to intercept construction of PaintColrLayers
+        callbacks = _buildPaintCallbacks()
+        callbacks[
+            (
+                BuildCallback.BEFORE_BUILD,
+                ot.Paint,
+                ot.PaintFormat.PaintColrLayers,
+            )
+        ] = self._beforeBuildPaintColrLayers
+        self.tableBuilder = TableBuilder(callbacks)
+
+    # COLR layers is unusual in that it modifies shared state
+    # so we need a callback into an object
+    def _beforeBuildPaintColrLayers(self, dest, source):
+        # Sketchy gymnastics: a sequence input will have dropped it's layers
+        # into NumLayers; get it back
+        if isinstance(source.get("NumLayers", None), collections.abc.Sequence):
+            layers = source["NumLayers"]
+        else:
+            layers = source["Layers"]
+
+        # Convert maps seqs or whatever into typed objects
+        layers = [self.buildPaint(l) for l in layers]
+
+        # No reason to have a colr layers with just one entry
+        if len(layers) == 1:
+            return layers[0], {}
+
+        if self.cache is not None:
+            # Look for reuse, with preference to longer sequences
+            # This may make the layer list smaller
+            layers = self.cache.try_reuse(layers)
+
+        # The layer list is now final; if it's too big we need to tree it
+        is_tree = len(layers) > MAX_PAINT_COLR_LAYER_COUNT
+        layers = build_n_ary_tree(layers, n=MAX_PAINT_COLR_LAYER_COUNT)
+
+        # We now have a tree of sequences with Paint leaves.
+        # Convert the sequences into PaintColrLayers.
+        def listToColrLayers(layer):
+            if isinstance(layer, collections.abc.Sequence):
+                return self.buildPaint(
+                    {
+                        "Format": ot.PaintFormat.PaintColrLayers,
+                        "Layers": [listToColrLayers(l) for l in layer],
+                    }
+                )
+            return layer
+
+        layers = [listToColrLayers(l) for l in layers]
+
+        # No reason to have a colr layers with just one entry
+        if len(layers) == 1:
+            return layers[0], {}
+
+        paint = ot.Paint()
+        paint.Format = int(ot.PaintFormat.PaintColrLayers)
+        paint.NumLayers = len(layers)
+        paint.FirstLayerIndex = len(self.layers)
+        self.layers.extend(layers)
+
+        # Register our parts for reuse provided we aren't a tree
+        # If we are a tree the leaves registered for reuse and that will suffice
+        if self.cache is not None and not is_tree:
+            self.cache.add(layers, paint.FirstLayerIndex)
+
+        # we've fully built dest; empty source prevents generalized build from kicking in
+        return paint, {}
+
+    def buildPaint(self, paint: _PaintInput) -> ot.Paint:
+        return self.tableBuilder.build(ot.Paint, paint)
+
+    def build(self) -> Optional[ot.LayerList]:
+        if not self.layers:
+            return None
+        layers = ot.LayerList()
+        layers.LayerCount = len(self.layers)
+        layers.Paint = self.layers
+        return layers
+
+
+def buildBaseGlyphPaintRecord(
+    baseGlyph: str, layerBuilder: LayerListBuilder, paint: _PaintInput
+) -> ot.BaseGlyphList:
+    self = ot.BaseGlyphPaintRecord()
+    self.BaseGlyph = baseGlyph
+    self.Paint = layerBuilder.buildPaint(paint)
+    return self
+
+
+def _format_glyph_errors(errors: Mapping[str, Exception]) -> str:
+    lines = []
+    for baseGlyph, error in sorted(errors.items()):
+        lines.append(f"    {baseGlyph} => {type(error).__name__}: {error}")
+    return "\n".join(lines)
+
+
+def buildColrV1(
+    colorGlyphs: _ColorGlyphsDict,
+    glyphMap: Optional[Mapping[str, int]] = None,
+    *,
+    allowLayerReuse: bool = True,
+) -> Tuple[Optional[ot.LayerList], ot.BaseGlyphList]:
+    if glyphMap is not None:
+        colorGlyphItems = sorted(
+            colorGlyphs.items(), key=lambda item: glyphMap[item[0]]
+        )
+    else:
+        colorGlyphItems = colorGlyphs.items()
+
+    errors = {}
+    baseGlyphs = []
+    layerBuilder = LayerListBuilder(allowLayerReuse=allowLayerReuse)
+    for baseGlyph, paint in colorGlyphItems:
+        try:
+            baseGlyphs.append(buildBaseGlyphPaintRecord(baseGlyph, layerBuilder, paint))
+
+        except (ColorLibError, OverflowError, ValueError, TypeError) as e:
+            errors[baseGlyph] = e
+
+    if errors:
+        failed_glyphs = _format_glyph_errors(errors)
+        exc = ColorLibError(f"Failed to build BaseGlyphList:\n{failed_glyphs}")
+        exc.errors = errors
+        raise exc from next(iter(errors.values()))
+
+    layers = layerBuilder.build()
+    glyphs = ot.BaseGlyphList()
+    glyphs.BaseGlyphCount = len(baseGlyphs)
+    glyphs.BaseGlyphPaintRecord = baseGlyphs
+    return (layers, glyphs)

mantis_evalkit/lib/python3.10/site-packages/fontTools/colorLib/errors.py

@@ -0,0 +1,2 @@
+class ColorLibError(Exception):
+    pass

mantis_evalkit/lib/python3.10/site-packages/fontTools/colorLib/geometry.py

@@ -0,0 +1,143 @@
+"""Helpers for manipulating 2D points and vectors in COLR table."""
+
+from math import copysign, cos, hypot, isclose, pi
+from fontTools.misc.roundTools import otRound
+
+
+def _vector_between(origin, target):
+    return (target[0] - origin[0], target[1] - origin[1])
+
+
+def _round_point(pt):
+    return (otRound(pt[0]), otRound(pt[1]))
+
+
+def _unit_vector(vec):
+    length = hypot(*vec)
+    if length == 0:
+        return None
+    return (vec[0] / length, vec[1] / length)
+
+
+_CIRCLE_INSIDE_TOLERANCE = 1e-4
+
+
+# The unit vector's X and Y components are respectively
+#   U = (cos(α), sin(α))
+# where α is the angle between the unit vector and the positive x axis.
+_UNIT_VECTOR_THRESHOLD = cos(3 / 8 * pi)  # == sin(1/8 * pi) == 0.38268343236508984
+
+
+def _rounding_offset(direction):
+    # Return 2-tuple of -/+ 1.0 or 0.0 approximately based on the direction vector.
+    # We divide the unit circle in 8 equal slices oriented towards the cardinal
+    # (N, E, S, W) and intermediate (NE, SE, SW, NW) directions. To each slice we
+    # map one of the possible cases: -1, 0, +1 for either X and Y coordinate.
+    # E.g. Return (+1.0, -1.0) if unit vector is oriented towards SE, or
+    # (-1.0, 0.0) if it's pointing West, etc.
+    uv = _unit_vector(direction)
+    if not uv:
+        return (0, 0)
+
+    result = []
+    for uv_component in uv:
+        if -_UNIT_VECTOR_THRESHOLD <= uv_component < _UNIT_VECTOR_THRESHOLD:
+            # unit vector component near 0: direction almost orthogonal to the
+            # direction of the current axis, thus keep coordinate unchanged
+            result.append(0)
+        else:
+            # nudge coord by +/- 1.0 in direction of unit vector
+            result.append(copysign(1.0, uv_component))
+    return tuple(result)
+
+
+class Circle:
+    def __init__(self, centre, radius):
+        self.centre = centre
+        self.radius = radius
+
+    def __repr__(self):
+        return f"Circle(centre={self.centre}, radius={self.radius})"
+
+    def round(self):
+        return Circle(_round_point(self.centre), otRound(self.radius))
+
+    def inside(self, outer_circle, tolerance=_CIRCLE_INSIDE_TOLERANCE):
+        dist = self.radius + hypot(*_vector_between(self.centre, outer_circle.centre))
+        return (
+            isclose(outer_circle.radius, dist, rel_tol=_CIRCLE_INSIDE_TOLERANCE)
+            or outer_circle.radius > dist
+        )
+
+    def concentric(self, other):
+        return self.centre == other.centre
+
+    def move(self, dx, dy):
+        self.centre = (self.centre[0] + dx, self.centre[1] + dy)
+
+
+def round_start_circle_stable_containment(c0, r0, c1, r1):
+    """Round start circle so that it stays inside/outside end circle after rounding.
+
+    The rounding of circle coordinates to integers may cause an abrupt change
+    if the start circle c0 is so close to the end circle c1's perimiter that
+    it ends up falling outside (or inside) as a result of the rounding.
+    To keep the gradient unchanged, we nudge it in the right direction.
+
+    See:
+    https://github.com/googlefonts/colr-gradients-spec/issues/204
+    https://github.com/googlefonts/picosvg/issues/158
+    """
+    start, end = Circle(c0, r0), Circle(c1, r1)
+
+    inside_before_round = start.inside(end)
+
+    round_start = start.round()
+    round_end = end.round()
+    inside_after_round = round_start.inside(round_end)
+
+    if inside_before_round == inside_after_round:
+        return round_start
+    elif inside_after_round:
+        # start was outside before rounding: we need to push start away from end
+        direction = _vector_between(round_end.centre, round_start.centre)
+        radius_delta = +1.0
+    else:
+        # start was inside before rounding: we need to push start towards end
+        direction = _vector_between(round_start.centre, round_end.centre)
+        radius_delta = -1.0
+    dx, dy = _rounding_offset(direction)
+
+    # At most 2 iterations ought to be enough to converge. Before the loop, we
+    # know the start circle didn't keep containment after normal rounding; thus
+    # we continue adjusting by -/+ 1.0 until containment is restored.
+    # Normal rounding can at most move each coordinates -/+0.5; in the worst case
+    # both the start and end circle's centres and radii will be rounded in opposite
+    # directions, e.g. when they move along a 45 degree diagonal:
+    #   c0 = (1.5, 1.5) ===> (2.0, 2.0)
+    #   r0 = 0.5 ===> 1.0
+    #   c1 = (0.499, 0.499) ===> (0.0, 0.0)
+    #   r1 = 2.499 ===> 2.0
+    # In this example, the relative distance between the circles, calculated
+    # as r1 - (r0 + distance(c0, c1)) is initially 0.57437 (c0 is inside c1), and
+    # -1.82842 after rounding (c0 is now outside c1). Nudging c0 by -1.0 on both
+    # x and y axes moves it towards c1 by hypot(-1.0, -1.0) = 1.41421. Two of these
+    # moves cover twice that distance, which is enough to restore containment.
+    max_attempts = 2
+    for _ in range(max_attempts):
+        if round_start.concentric(round_end):
+            # can't move c0 towards c1 (they are the same), so we change the radius
+            round_start.radius += radius_delta
+            assert round_start.radius >= 0
+        else:
+            round_start.move(dx, dy)
+        if inside_before_round == round_start.inside(round_end):
+            break
+    else:  # likely a bug
+        raise AssertionError(
+            f"Rounding circle {start} "
+            f"{'inside' if inside_before_round else 'outside'} "
+            f"{end} failed after {max_attempts} attempts!"
+        )
+
+    return round_start

mantis_evalkit/lib/python3.10/site-packages/fontTools/colorLib/table_builder.py

@@ -0,0 +1,223 @@
+"""
+colorLib.table_builder: Generic helper for filling in BaseTable derivatives from tuples and maps and such.
+
+"""
+
+import collections
+import enum
+from fontTools.ttLib.tables.otBase import (
+    BaseTable,
+    FormatSwitchingBaseTable,
+    UInt8FormatSwitchingBaseTable,
+)
+from fontTools.ttLib.tables.otConverters import (
+    ComputedInt,
+    SimpleValue,
+    Struct,
+    Short,
+    UInt8,
+    UShort,
+    IntValue,
+    FloatValue,
+    OptionalValue,
+)
+from fontTools.misc.roundTools import otRound
+
+
+class BuildCallback(enum.Enum):
+    """Keyed on (BEFORE_BUILD, class[, Format if available]).
+    Receives (dest, source).
+    Should return (dest, source), which can be new objects.
+    """
+
+    BEFORE_BUILD = enum.auto()
+
+    """Keyed on (AFTER_BUILD, class[, Format if available]).
+    Receives (dest).
+    Should return dest, which can be a new object.
+    """
+    AFTER_BUILD = enum.auto()
+
+    """Keyed on (CREATE_DEFAULT, class[, Format if available]).
+    Receives no arguments.
+    Should return a new instance of class.
+    """
+    CREATE_DEFAULT = enum.auto()
+
+
+def _assignable(convertersByName):
+    return {k: v for k, v in convertersByName.items() if not isinstance(v, ComputedInt)}
+
+
+def _isNonStrSequence(value):
+    return isinstance(value, collections.abc.Sequence) and not isinstance(value, str)
+
+
+def _split_format(cls, source):
+    if _isNonStrSequence(source):
+        assert len(source) > 0, f"{cls} needs at least format from {source}"
+        fmt, remainder = source[0], source[1:]
+    elif isinstance(source, collections.abc.Mapping):
+        assert "Format" in source, f"{cls} needs at least Format from {source}"
+        remainder = source.copy()
+        fmt = remainder.pop("Format")
+    else:
+        raise ValueError(f"Not sure how to populate {cls} from {source}")
+
+    assert isinstance(
+        fmt, collections.abc.Hashable
+    ), f"{cls} Format is not hashable: {fmt!r}"
+    assert fmt in cls.convertersByName, f"{cls} invalid Format: {fmt!r}"
+
+    return fmt, remainder
+
+
+class TableBuilder:
+    """
+    Helps to populate things derived from BaseTable from maps, tuples, etc.
+
+    A table of lifecycle callbacks may be provided to add logic beyond what is possible
+    based on otData info for the target class. See BuildCallbacks.
+    """
+
+    def __init__(self, callbackTable=None):
+        if callbackTable is None:
+            callbackTable = {}
+        self._callbackTable = callbackTable
+
+    def _convert(self, dest, field, converter, value):
+        enumClass = getattr(converter, "enumClass", None)
+
+        if enumClass:
+            if isinstance(value, enumClass):
+                pass
+            elif isinstance(value, str):
+                try:
+                    value = getattr(enumClass, value.upper())
+                except AttributeError:
+                    raise ValueError(f"{value} is not a valid {enumClass}")
+            else:
+                value = enumClass(value)
+
+        elif isinstance(converter, IntValue):
+            value = otRound(value)
+        elif isinstance(converter, FloatValue):
+            value = float(value)
+
+        elif isinstance(converter, Struct):
+            if converter.repeat:
+                if _isNonStrSequence(value):
+                    value = [self.build(converter.tableClass, v) for v in value]
+                else:
+                    value = [self.build(converter.tableClass, value)]
+                setattr(dest, converter.repeat, len(value))
+            else:
+                value = self.build(converter.tableClass, value)
+        elif callable(converter):
+            value = converter(value)
+
+        setattr(dest, field, value)
+
+    def build(self, cls, source):
+        assert issubclass(cls, BaseTable)
+
+        if isinstance(source, cls):
+            return source
+
+        callbackKey = (cls,)
+        fmt = None
+        if issubclass(cls, FormatSwitchingBaseTable):
+            fmt, source = _split_format(cls, source)
+            callbackKey = (cls, fmt)
+
+        dest = self._callbackTable.get(
+            (BuildCallback.CREATE_DEFAULT,) + callbackKey, lambda: cls()
+        )()
+        assert isinstance(dest, cls)
+
+        convByName = _assignable(cls.convertersByName)
+        skippedFields = set()
+
+        # For format switchers we need to resolve converters based on format
+        if issubclass(cls, FormatSwitchingBaseTable):
+            dest.Format = fmt
+            convByName = _assignable(convByName[dest.Format])
+            skippedFields.add("Format")
+
+        # Convert sequence => mapping so before thunk only has to handle one format
+        if _isNonStrSequence(source):
+            # Sequence (typically list or tuple) assumed to match fields in declaration order
+            assert len(source) <= len(
+                convByName
+            ), f"Sequence of {len(source)} too long for {cls}; expected <= {len(convByName)} values"
+            source = dict(zip(convByName.keys(), source))
+
+        dest, source = self._callbackTable.get(
+            (BuildCallback.BEFORE_BUILD,) + callbackKey, lambda d, s: (d, s)
+        )(dest, source)
+
+        if isinstance(source, collections.abc.Mapping):
+            for field, value in source.items():
+                if field in skippedFields:
+                    continue
+                converter = convByName.get(field, None)
+                if not converter:
+                    raise ValueError(
+                        f"Unrecognized field {field} for {cls}; expected one of {sorted(convByName.keys())}"
+                    )
+                self._convert(dest, field, converter, value)
+        else:
+            # let's try as a 1-tuple
+            dest = self.build(cls, (source,))
+
+        for field, conv in convByName.items():
+            if not hasattr(dest, field) and isinstance(conv, OptionalValue):
+                setattr(dest, field, conv.DEFAULT)
+
+        dest = self._callbackTable.get(
+            (BuildCallback.AFTER_BUILD,) + callbackKey, lambda d: d
+        )(dest)
+
+        return dest
+
+
+class TableUnbuilder:
+    def __init__(self, callbackTable=None):
+        if callbackTable is None:
+            callbackTable = {}
+        self._callbackTable = callbackTable
+
+    def unbuild(self, table):
+        assert isinstance(table, BaseTable)
+
+        source = {}
+
+        callbackKey = (type(table),)
+        if isinstance(table, FormatSwitchingBaseTable):
+            source["Format"] = int(table.Format)
+            callbackKey += (table.Format,)
+
+        for converter in table.getConverters():
+            if isinstance(converter, ComputedInt):
+                continue
+            value = getattr(table, converter.name)
+
+            enumClass = getattr(converter, "enumClass", None)
+            if enumClass:
+                source[converter.name] = value.name.lower()
+            elif isinstance(converter, Struct):
+                if converter.repeat:
+                    source[converter.name] = [self.unbuild(v) for v in value]
+                else:
+                    source[converter.name] = self.unbuild(value)
+            elif isinstance(converter, SimpleValue):
+                # "simple" values (e.g. int, float, str) need no further un-building
+                source[converter.name] = value
+            else:
+                raise NotImplementedError(
+                    "Don't know how unbuild {value!r} with {converter!r}"
+                )
+
+        source = self._callbackTable.get(callbackKey, lambda s: s)(source)
+
+        return source

mantis_evalkit/lib/python3.10/site-packages/fontTools/colorLib/unbuilder.py

@@ -0,0 +1,81 @@
+from fontTools.ttLib.tables import otTables as ot
+from .table_builder import TableUnbuilder
+
+
+def unbuildColrV1(layerList, baseGlyphList):
+    layers = []
+    if layerList:
+        layers = layerList.Paint
+    unbuilder = LayerListUnbuilder(layers)
+    return {
+        rec.BaseGlyph: unbuilder.unbuildPaint(rec.Paint)
+        for rec in baseGlyphList.BaseGlyphPaintRecord
+    }
+
+
+def _flatten_layers(lst):
+    for paint in lst:
+        if paint["Format"] == ot.PaintFormat.PaintColrLayers:
+            yield from _flatten_layers(paint["Layers"])
+        else:
+            yield paint
+
+
+class LayerListUnbuilder:
+    def __init__(self, layers):
+        self.layers = layers
+
+        callbacks = {
+            (
+                ot.Paint,
+                ot.PaintFormat.PaintColrLayers,
+            ): self._unbuildPaintColrLayers,
+        }
+        self.tableUnbuilder = TableUnbuilder(callbacks)
+
+    def unbuildPaint(self, paint):
+        assert isinstance(paint, ot.Paint)
+        return self.tableUnbuilder.unbuild(paint)
+
+    def _unbuildPaintColrLayers(self, source):
+        assert source["Format"] == ot.PaintFormat.PaintColrLayers
+
+        layers = list(
+            _flatten_layers(
+                [
+                    self.unbuildPaint(childPaint)
+                    for childPaint in self.layers[
+                        source["FirstLayerIndex"] : source["FirstLayerIndex"]
+                        + source["NumLayers"]
+                    ]
+                ]
+            )
+        )
+
+        if len(layers) == 1:
+            return layers[0]
+
+        return {"Format": source["Format"], "Layers": layers}
+
+
+if __name__ == "__main__":
+    from pprint import pprint
+    import sys
+    from fontTools.ttLib import TTFont
+
+    try:
+        fontfile = sys.argv[1]
+    except IndexError:
+        sys.exit("usage: fonttools colorLib.unbuilder FONTFILE")
+
+    font = TTFont(fontfile)
+    colr = font["COLR"]
+    if colr.version < 1:
+        sys.exit(f"error: No COLR table version=1 found in {fontfile}")
+
+    colorGlyphs = unbuildColrV1(
+        colr.table.LayerList,
+        colr.table.BaseGlyphList,
+    )
+
+    pprint(colorGlyphs)

mantis_evalkit/lib/python3.10/site-packages/fontTools/config/__init__.py

@@ -0,0 +1,75 @@
+"""
+Define all configuration options that can affect the working of fontTools
+modules. E.g. optimization levels of varLib IUP, otlLib GPOS compression level,
+etc. If this file gets too big, split it into smaller files per-module.
+
+An instance of the Config class can be attached to a TTFont object, so that
+the various modules can access their configuration options from it.
+"""
+
+from textwrap import dedent
+
+from fontTools.misc.configTools import *
+
+
+class Config(AbstractConfig):
+    options = Options()
+
+
+OPTIONS = Config.options
+
+
+Config.register_option(
+    name="fontTools.otlLib.optimize.gpos:COMPRESSION_LEVEL",
+    help=dedent(
+        """\
+        GPOS Lookup type 2 (PairPos) compression level:
+            0 = do not attempt to compact PairPos lookups;
+            1 to 8 = create at most 1 to 8 new subtables for each existing
+                subtable, provided that it would yield a 50%% file size saving;
+            9 = create as many new subtables as needed to yield a file size saving.
+        Default: 0.
+
+        This compaction aims to save file size, by splitting large class
+        kerning subtables (Format 2) that contain many zero values into
+        smaller and denser subtables. It's a trade-off between the overhead
+        of several subtables versus the sparseness of one big subtable.
+
+        See the pull request: https://github.com/fonttools/fonttools/pull/2326
+        """
+    ),
+    default=0,
+    parse=int,
+    validate=lambda v: v in range(10),
+)
+
+Config.register_option(
+    name="fontTools.ttLib.tables.otBase:USE_HARFBUZZ_REPACKER",
+    help=dedent(
+        """\
+        FontTools tries to use the HarfBuzz Repacker to serialize GPOS/GSUB tables
+        if the uharfbuzz python bindings are importable, otherwise falls back to its
+        slower, less efficient serializer. Set to False to always use the latter.
+        Set to True to explicitly request the HarfBuzz Repacker (will raise an
+        error if uharfbuzz cannot be imported).
+        """
+    ),
+    default=None,
+    parse=Option.parse_optional_bool,
+    validate=Option.validate_optional_bool,
+)
+
+Config.register_option(
+    name="fontTools.otlLib.builder:WRITE_GPOS7",
+    help=dedent(
+        """\
+        macOS before 13.2 didn’t support GPOS LookupType 7 (non-chaining
+        ContextPos lookups), so FontTools.otlLib.builder disables a file size
+        optimisation that would use LookupType 7 instead of 8 when there is no
+        chaining (no prefix or suffix). Set to True to enable the optimization.
+        """
+    ),
+    default=False,
+    parse=Option.parse_optional_bool,
+    validate=Option.validate_optional_bool,
+)

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/__init__.py

@@ -0,0 +1 @@
+"""Empty __init__.py file to signal Python this directory is a package."""

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/basePen.py

@@ -0,0 +1,475 @@
+"""fontTools.pens.basePen.py -- Tools and base classes to build pen objects.
+
+The Pen Protocol
+
+A Pen is a kind of object that standardizes the way how to "draw" outlines:
+it is a middle man between an outline and a drawing. In other words:
+it is an abstraction for drawing outlines, making sure that outline objects
+don't need to know the details about how and where they're being drawn, and
+that drawings don't need to know the details of how outlines are stored.
+
+The most basic pattern is this::
+
+	outline.draw(pen)  # 'outline' draws itself onto 'pen'
+
+Pens can be used to render outlines to the screen, but also to construct
+new outlines. Eg. an outline object can be both a drawable object (it has a
+draw() method) as well as a pen itself: you *build* an outline using pen
+methods.
+
+The AbstractPen class defines the Pen protocol. It implements almost
+nothing (only no-op closePath() and endPath() methods), but is useful
+for documentation purposes. Subclassing it basically tells the reader:
+"this class implements the Pen protocol.". An examples of an AbstractPen
+subclass is :py:class:`fontTools.pens.transformPen.TransformPen`.
+
+The BasePen class is a base implementation useful for pens that actually
+draw (for example a pen renders outlines using a native graphics engine).
+BasePen contains a lot of base functionality, making it very easy to build
+a pen that fully conforms to the pen protocol. Note that if you subclass
+BasePen, you *don't* override moveTo(), lineTo(), etc., but _moveTo(),
+_lineTo(), etc. See the BasePen doc string for details. Examples of
+BasePen subclasses are fontTools.pens.boundsPen.BoundsPen and
+fontTools.pens.cocoaPen.CocoaPen.
+
+Coordinates are usually expressed as (x, y) tuples, but generally any
+sequence of length 2 will do.
+"""
+
+from typing import Tuple, Dict
+
+from fontTools.misc.loggingTools import LogMixin
+from fontTools.misc.transform import DecomposedTransform, Identity
+
+__all__ = [
+    "AbstractPen",
+    "NullPen",
+    "BasePen",
+    "PenError",
+    "decomposeSuperBezierSegment",
+    "decomposeQuadraticSegment",
+]
+
+
+class PenError(Exception):
+    """Represents an error during penning."""
+
+
+class OpenContourError(PenError):
+    pass
+
+
+class AbstractPen:
+    def moveTo(self, pt: Tuple[float, float]) -> None:
+        """Begin a new sub path, set the current point to 'pt'. You must
+        end each sub path with a call to pen.closePath() or pen.endPath().
+        """
+        raise NotImplementedError
+
+    def lineTo(self, pt: Tuple[float, float]) -> None:
+        """Draw a straight line from the current point to 'pt'."""
+        raise NotImplementedError
+
+    def curveTo(self, *points: Tuple[float, float]) -> None:
+        """Draw a cubic bezier with an arbitrary number of control points.
+
+        The last point specified is on-curve, all others are off-curve
+        (control) points. If the number of control points is > 2, the
+        segment is split into multiple bezier segments. This works
+        like this:
+
+        Let n be the number of control points (which is the number of
+        arguments to this call minus 1). If n==2, a plain vanilla cubic
+        bezier is drawn. If n==1, we fall back to a quadratic segment and
+        if n==0 we draw a straight line. It gets interesting when n>2:
+        n-1 PostScript-style cubic segments will be drawn as if it were
+        one curve. See decomposeSuperBezierSegment().
+
+        The conversion algorithm used for n>2 is inspired by NURB
+        splines, and is conceptually equivalent to the TrueType "implied
+        points" principle. See also decomposeQuadraticSegment().
+        """
+        raise NotImplementedError
+
+    def qCurveTo(self, *points: Tuple[float, float]) -> None:
+        """Draw a whole string of quadratic curve segments.
+
+        The last point specified is on-curve, all others are off-curve
+        points.
+
+        This method implements TrueType-style curves, breaking up curves
+        using 'implied points': between each two consequtive off-curve points,
+        there is one implied point exactly in the middle between them. See
+        also decomposeQuadraticSegment().
+
+        The last argument (normally the on-curve point) may be None.
+        This is to support contours that have NO on-curve points (a rarely
+        seen feature of TrueType outlines).
+        """
+        raise NotImplementedError
+
+    def closePath(self) -> None:
+        """Close the current sub path. You must call either pen.closePath()
+        or pen.endPath() after each sub path.
+        """
+        pass
+
+    def endPath(self) -> None:
+        """End the current sub path, but don't close it. You must call
+        either pen.closePath() or pen.endPath() after each sub path.
+        """
+        pass
+
+    def addComponent(
+        self,
+        glyphName: str,
+        transformation: Tuple[float, float, float, float, float, float],
+    ) -> None:
+        """Add a sub glyph. The 'transformation' argument must be a 6-tuple
+        containing an affine transformation, or a Transform object from the
+        fontTools.misc.transform module. More precisely: it should be a
+        sequence containing 6 numbers.
+        """
+        raise NotImplementedError
+
+    def addVarComponent(
+        self,
+        glyphName: str,
+        transformation: DecomposedTransform,
+        location: Dict[str, float],
+    ) -> None:
+        """Add a VarComponent sub glyph. The 'transformation' argument
+        must be a DecomposedTransform from the fontTools.misc.transform module,
+        and the 'location' argument must be a dictionary mapping axis tags
+        to their locations.
+        """
+        # GlyphSet decomposes for us
+        raise AttributeError
+
+
+class NullPen(AbstractPen):
+    """A pen that does nothing."""
+
+    def moveTo(self, pt):
+        pass
+
+    def lineTo(self, pt):
+        pass
+
+    def curveTo(self, *points):
+        pass
+
+    def qCurveTo(self, *points):
+        pass
+
+    def closePath(self):
+        pass
+
+    def endPath(self):
+        pass
+
+    def addComponent(self, glyphName, transformation):
+        pass
+
+    def addVarComponent(self, glyphName, transformation, location):
+        pass
+
+
+class LoggingPen(LogMixin, AbstractPen):
+    """A pen with a ``log`` property (see fontTools.misc.loggingTools.LogMixin)"""
+
+    pass
+
+
+class MissingComponentError(KeyError):
+    """Indicates a component pointing to a non-existent glyph in the glyphset."""
+
+
+class DecomposingPen(LoggingPen):
+    """Implements a 'addComponent' method that decomposes components
+    (i.e. draws them onto self as simple contours).
+    It can also be used as a mixin class (e.g. see ContourRecordingPen).
+
+    You must override moveTo, lineTo, curveTo and qCurveTo. You may
+    additionally override closePath, endPath and addComponent.
+
+    By default a warning message is logged when a base glyph is missing;
+    set the class variable ``skipMissingComponents`` to False if you want
+    all instances of a sub-class to raise a :class:`MissingComponentError`
+    exception by default.
+    """
+
+    skipMissingComponents = True
+    # alias error for convenience
+    MissingComponentError = MissingComponentError
+
+    def __init__(
+        self,
+        glyphSet,
+        *args,
+        skipMissingComponents=None,
+        reverseFlipped=False,
+        **kwargs,
+    ):
+        """Takes a 'glyphSet' argument (dict), in which the glyphs that are referenced
+        as components are looked up by their name.
+
+        If the optional 'reverseFlipped' argument is True, components whose transformation
+        matrix has a negative determinant will be decomposed with a reversed path direction
+        to compensate for the flip.
+
+        The optional 'skipMissingComponents' argument can be set to True/False to
+        override the homonymous class attribute for a given pen instance.
+        """
+        super(DecomposingPen, self).__init__(*args, **kwargs)
+        self.glyphSet = glyphSet
+        self.skipMissingComponents = (
+            self.__class__.skipMissingComponents
+            if skipMissingComponents is None
+            else skipMissingComponents
+        )
+        self.reverseFlipped = reverseFlipped
+
+    def addComponent(self, glyphName, transformation):
+        """Transform the points of the base glyph and draw it onto self."""
+        from fontTools.pens.transformPen import TransformPen
+
+        try:
+            glyph = self.glyphSet[glyphName]
+        except KeyError:
+            if not self.skipMissingComponents:
+                raise MissingComponentError(glyphName)
+            self.log.warning("glyph '%s' is missing from glyphSet; skipped" % glyphName)
+        else:
+            pen = self
+            if transformation != Identity:
+                pen = TransformPen(pen, transformation)
+            if self.reverseFlipped:
+                # if the transformation has a negative determinant, it will
+                # reverse the contour direction of the component
+                a, b, c, d = transformation[:4]
+                det = a * d - b * c
+                if det < 0:
+                    from fontTools.pens.reverseContourPen import ReverseContourPen
+
+                    pen = ReverseContourPen(pen)
+            glyph.draw(pen)
+
+    def addVarComponent(self, glyphName, transformation, location):
+        # GlyphSet decomposes for us
+        raise AttributeError
+
+
+class BasePen(DecomposingPen):
+    """Base class for drawing pens. You must override _moveTo, _lineTo and
+    _curveToOne. You may additionally override _closePath, _endPath,
+    addComponent, addVarComponent, and/or _qCurveToOne. You should not
+    override any other methods.
+    """
+
+    def __init__(self, glyphSet=None):
+        super(BasePen, self).__init__(glyphSet)
+        self.__currentPoint = None
+
+    # must override
+
+    def _moveTo(self, pt):
+        raise NotImplementedError
+
+    def _lineTo(self, pt):
+        raise NotImplementedError
+
+    def _curveToOne(self, pt1, pt2, pt3):
+        raise NotImplementedError
+
+    # may override
+
+    def _closePath(self):
+        pass
+
+    def _endPath(self):
+        pass
+
+    def _qCurveToOne(self, pt1, pt2):
+        """This method implements the basic quadratic curve type. The
+        default implementation delegates the work to the cubic curve
+        function. Optionally override with a native implementation.
+        """
+        pt0x, pt0y = self.__currentPoint
+        pt1x, pt1y = pt1
+        pt2x, pt2y = pt2
+        mid1x = pt0x + 0.66666666666666667 * (pt1x - pt0x)
+        mid1y = pt0y + 0.66666666666666667 * (pt1y - pt0y)
+        mid2x = pt2x + 0.66666666666666667 * (pt1x - pt2x)
+        mid2y = pt2y + 0.66666666666666667 * (pt1y - pt2y)
+        self._curveToOne((mid1x, mid1y), (mid2x, mid2y), pt2)
+
+    # don't override
+
+    def _getCurrentPoint(self):
+        """Return the current point. This is not part of the public
+        interface, yet is useful for subclasses.
+        """
+        return self.__currentPoint
+
+    def closePath(self):
+        self._closePath()
+        self.__currentPoint = None
+
+    def endPath(self):
+        self._endPath()
+        self.__currentPoint = None
+
+    def moveTo(self, pt):
+        self._moveTo(pt)
+        self.__currentPoint = pt
+
+    def lineTo(self, pt):
+        self._lineTo(pt)
+        self.__currentPoint = pt
+
+    def curveTo(self, *points):
+        n = len(points) - 1  # 'n' is the number of control points
+        assert n >= 0
+        if n == 2:
+            # The common case, we have exactly two BCP's, so this is a standard
+            # cubic bezier. Even though decomposeSuperBezierSegment() handles
+            # this case just fine, we special-case it anyway since it's so
+            # common.
+            self._curveToOne(*points)
+            self.__currentPoint = points[-1]
+        elif n > 2:
+            # n is the number of control points; split curve into n-1 cubic
+            # bezier segments. The algorithm used here is inspired by NURB
+            # splines and the TrueType "implied point" principle, and ensures
+            # the smoothest possible connection between two curve segments,
+            # with no disruption in the curvature. It is practical since it
+            # allows one to construct multiple bezier segments with a much
+            # smaller amount of points.
+            _curveToOne = self._curveToOne
+            for pt1, pt2, pt3 in decomposeSuperBezierSegment(points):
+                _curveToOne(pt1, pt2, pt3)
+                self.__currentPoint = pt3
+        elif n == 1:
+            self.qCurveTo(*points)
+        elif n == 0:
+            self.lineTo(points[0])
+        else:
+            raise AssertionError("can't get there from here")
+
+    def qCurveTo(self, *points):
+        n = len(points) - 1  # 'n' is the number of control points
+        assert n >= 0
+        if points[-1] is None:
+            # Special case for TrueType quadratics: it is possible to
+            # define a contour with NO on-curve points. BasePen supports
+            # this by allowing the final argument (the expected on-curve
+            # point) to be None. We simulate the feature by making the implied
+            # on-curve point between the last and the first off-curve points
+            # explicit.
+            x, y = points[-2]  # last off-curve point
+            nx, ny = points[0]  # first off-curve point
+            impliedStartPoint = (0.5 * (x + nx), 0.5 * (y + ny))
+            self.__currentPoint = impliedStartPoint
+            self._moveTo(impliedStartPoint)
+            points = points[:-1] + (impliedStartPoint,)
+        if n > 0:
+            # Split the string of points into discrete quadratic curve
+            # segments. Between any two consecutive off-curve points
+            # there's an implied on-curve point exactly in the middle.
+            # This is where the segment splits.
+            _qCurveToOne = self._qCurveToOne
+            for pt1, pt2 in decomposeQuadraticSegment(points):
+                _qCurveToOne(pt1, pt2)
+                self.__currentPoint = pt2
+        else:
+            self.lineTo(points[0])
+
+
+def decomposeSuperBezierSegment(points):
+    """Split the SuperBezier described by 'points' into a list of regular
+    bezier segments. The 'points' argument must be a sequence with length
+    3 or greater, containing (x, y) coordinates. The last point is the
+    destination on-curve point, the rest of the points are off-curve points.
+    The start point should not be supplied.
+
+    This function returns a list of (pt1, pt2, pt3) tuples, which each
+    specify a regular curveto-style bezier segment.
+    """
+    n = len(points) - 1
+    assert n > 1
+    bezierSegments = []
+    pt1, pt2, pt3 = points[0], None, None
+    for i in range(2, n + 1):
+        # calculate points in between control points.
+        nDivisions = min(i, 3, n - i + 2)
+        for j in range(1, nDivisions):
+            factor = j / nDivisions
+            temp1 = points[i - 1]
+            temp2 = points[i - 2]
+            temp = (
+                temp2[0] + factor * (temp1[0] - temp2[0]),
+                temp2[1] + factor * (temp1[1] - temp2[1]),
+            )
+            if pt2 is None:
+                pt2 = temp
+            else:
+                pt3 = (0.5 * (pt2[0] + temp[0]), 0.5 * (pt2[1] + temp[1]))
+                bezierSegments.append((pt1, pt2, pt3))
+                pt1, pt2, pt3 = temp, None, None
+    bezierSegments.append((pt1, points[-2], points[-1]))
+    return bezierSegments
+
+
+def decomposeQuadraticSegment(points):
+    """Split the quadratic curve segment described by 'points' into a list
+    of "atomic" quadratic segments. The 'points' argument must be a sequence
+    with length 2 or greater, containing (x, y) coordinates. The last point
+    is the destination on-curve point, the rest of the points are off-curve
+    points. The start point should not be supplied.
+
+    This function returns a list of (pt1, pt2) tuples, which each specify a
+    plain quadratic bezier segment.
+    """
+    n = len(points) - 1
+    assert n > 0
+    quadSegments = []
+    for i in range(n - 1):
+        x, y = points[i]
+        nx, ny = points[i + 1]
+        impliedPt = (0.5 * (x + nx), 0.5 * (y + ny))
+        quadSegments.append((points[i], impliedPt))
+    quadSegments.append((points[-2], points[-1]))
+    return quadSegments
+
+
+class _TestPen(BasePen):
+    """Test class that prints PostScript to stdout."""
+
+    def _moveTo(self, pt):
+        print("%s %s moveto" % (pt[0], pt[1]))
+
+    def _lineTo(self, pt):
+        print("%s %s lineto" % (pt[0], pt[1]))
+
+    def _curveToOne(self, bcp1, bcp2, pt):
+        print(
+            "%s %s %s %s %s %s curveto"
+            % (bcp1[0], bcp1[1], bcp2[0], bcp2[1], pt[0], pt[1])
+        )
+
+    def _closePath(self):
+        print("closepath")
+
+
+if __name__ == "__main__":
+    pen = _TestPen(None)
+    pen.moveTo((0, 0))
+    pen.lineTo((0, 100))
+    pen.curveTo((50, 75), (60, 50), (50, 25), (0, 0))
+    pen.closePath()
+
+    pen = _TestPen(None)
+    # testing the "no on-curve point" scenario
+    pen.qCurveTo((0, 0), (0, 100), (100, 100), (100, 0), None)
+    pen.closePath()

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/cu2quPen.py

@@ -0,0 +1,325 @@
+# Copyright 2016 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import operator
+from fontTools.cu2qu import curve_to_quadratic, curves_to_quadratic
+from fontTools.pens.basePen import decomposeSuperBezierSegment
+from fontTools.pens.filterPen import FilterPen
+from fontTools.pens.reverseContourPen import ReverseContourPen
+from fontTools.pens.pointPen import BasePointToSegmentPen
+from fontTools.pens.pointPen import ReverseContourPointPen
+
+
+class Cu2QuPen(FilterPen):
+    """A filter pen to convert cubic bezier curves to quadratic b-splines
+    using the FontTools SegmentPen protocol.
+
+    Args:
+
+        other_pen: another SegmentPen used to draw the transformed outline.
+        max_err: maximum approximation error in font units. For optimal results,
+            if you know the UPEM of the font, we recommend setting this to a
+            value equal, or close to UPEM / 1000.
+        reverse_direction: flip the contours' direction but keep starting point.
+        stats: a dictionary counting the point numbers of quadratic segments.
+        all_quadratic: if True (default), only quadratic b-splines are generated.
+            if False, quadratic curves or cubic curves are generated depending
+            on which one is more economical.
+    """
+
+    def __init__(
+        self,
+        other_pen,
+        max_err,
+        reverse_direction=False,
+        stats=None,
+        all_quadratic=True,
+    ):
+        if reverse_direction:
+            other_pen = ReverseContourPen(other_pen)
+        super().__init__(other_pen)
+        self.max_err = max_err
+        self.stats = stats
+        self.all_quadratic = all_quadratic
+
+    def _convert_curve(self, pt1, pt2, pt3):
+        curve = (self.current_pt, pt1, pt2, pt3)
+        result = curve_to_quadratic(curve, self.max_err, self.all_quadratic)
+        if self.stats is not None:
+            n = str(len(result) - 2)
+            self.stats[n] = self.stats.get(n, 0) + 1
+        if self.all_quadratic:
+            self.qCurveTo(*result[1:])
+        else:
+            if len(result) == 3:
+                self.qCurveTo(*result[1:])
+            else:
+                assert len(result) == 4
+                super().curveTo(*result[1:])
+
+    def curveTo(self, *points):
+        n = len(points)
+        if n == 3:
+            # this is the most common case, so we special-case it
+            self._convert_curve(*points)
+        elif n > 3:
+            for segment in decomposeSuperBezierSegment(points):
+                self._convert_curve(*segment)
+        else:
+            self.qCurveTo(*points)
+
+
+class Cu2QuPointPen(BasePointToSegmentPen):
+    """A filter pen to convert cubic bezier curves to quadratic b-splines
+    using the FontTools PointPen protocol.
+
+    Args:
+        other_point_pen: another PointPen used to draw the transformed outline.
+        max_err: maximum approximation error in font units. For optimal results,
+            if you know the UPEM of the font, we recommend setting this to a
+            value equal, or close to UPEM / 1000.
+        reverse_direction: reverse the winding direction of all contours.
+        stats: a dictionary counting the point numbers of quadratic segments.
+        all_quadratic: if True (default), only quadratic b-splines are generated.
+            if False, quadratic curves or cubic curves are generated depending
+            on which one is more economical.
+    """
+
+    __points_required = {
+        "move": (1, operator.eq),
+        "line": (1, operator.eq),
+        "qcurve": (2, operator.ge),
+        "curve": (3, operator.eq),
+    }
+
+    def __init__(
+        self,
+        other_point_pen,
+        max_err,
+        reverse_direction=False,
+        stats=None,
+        all_quadratic=True,
+    ):
+        BasePointToSegmentPen.__init__(self)
+        if reverse_direction:
+            self.pen = ReverseContourPointPen(other_point_pen)
+        else:
+            self.pen = other_point_pen
+        self.max_err = max_err
+        self.stats = stats
+        self.all_quadratic = all_quadratic
+
+    def _flushContour(self, segments):
+        assert len(segments) >= 1
+        closed = segments[0][0] != "move"
+        new_segments = []
+        prev_points = segments[-1][1]
+        prev_on_curve = prev_points[-1][0]
+        for segment_type, points in segments:
+            if segment_type == "curve":
+                for sub_points in self._split_super_bezier_segments(points):
+                    on_curve, smooth, name, kwargs = sub_points[-1]
+                    bcp1, bcp2 = sub_points[0][0], sub_points[1][0]
+                    cubic = [prev_on_curve, bcp1, bcp2, on_curve]
+                    quad = curve_to_quadratic(cubic, self.max_err, self.all_quadratic)
+                    if self.stats is not None:
+                        n = str(len(quad) - 2)
+                        self.stats[n] = self.stats.get(n, 0) + 1
+                    new_points = [(pt, False, None, {}) for pt in quad[1:-1]]
+                    new_points.append((on_curve, smooth, name, kwargs))
+                    if self.all_quadratic or len(new_points) == 2:
+                        new_segments.append(["qcurve", new_points])
+                    else:
+                        new_segments.append(["curve", new_points])
+                    prev_on_curve = sub_points[-1][0]
+            else:
+                new_segments.append([segment_type, points])
+                prev_on_curve = points[-1][0]
+        if closed:
+            # the BasePointToSegmentPen.endPath method that calls _flushContour
+            # rotates the point list of closed contours so that they end with
+            # the first on-curve point. We restore the original starting point.
+            new_segments = new_segments[-1:] + new_segments[:-1]
+        self._drawPoints(new_segments)
+
+    def _split_super_bezier_segments(self, points):
+        sub_segments = []
+        # n is the number of control points
+        n = len(points) - 1
+        if n == 2:
+            # a simple bezier curve segment
+            sub_segments.append(points)
+        elif n > 2:
+            # a "super" bezier; decompose it
+            on_curve, smooth, name, kwargs = points[-1]
+            num_sub_segments = n - 1
+            for i, sub_points in enumerate(
+                decomposeSuperBezierSegment([pt for pt, _, _, _ in points])
+            ):
+                new_segment = []
+                for point in sub_points[:-1]:
+                    new_segment.append((point, False, None, {}))
+                if i == (num_sub_segments - 1):
+                    # the last on-curve keeps its original attributes
+                    new_segment.append((on_curve, smooth, name, kwargs))
+                else:
+                    # on-curves of sub-segments are always "smooth"
+                    new_segment.append((sub_points[-1], True, None, {}))
+                sub_segments.append(new_segment)
+        else:
+            raise AssertionError("expected 2 control points, found: %d" % n)
+        return sub_segments
+
+    def _drawPoints(self, segments):
+        pen = self.pen
+        pen.beginPath()
+        last_offcurves = []
+        points_required = self.__points_required
+        for i, (segment_type, points) in enumerate(segments):
+            if segment_type in points_required:
+                n, op = points_required[segment_type]
+                assert op(len(points), n), (
+                    f"illegal {segment_type!r} segment point count: "
+                    f"expected {n}, got {len(points)}"
+                )
+                offcurves = points[:-1]
+                if i == 0:
+                    # any off-curve points preceding the first on-curve
+                    # will be appended at the end of the contour
+                    last_offcurves = offcurves
+                else:
+                    for pt, smooth, name, kwargs in offcurves:
+                        pen.addPoint(pt, None, smooth, name, **kwargs)
+                pt, smooth, name, kwargs = points[-1]
+                if pt is None:
+                    assert segment_type == "qcurve"
+                    # special quadratic contour with no on-curve points:
+                    # we need to skip the "None" point. See also the Pen
+                    # protocol's qCurveTo() method and fontTools.pens.basePen
+                    pass
+                else:
+                    pen.addPoint(pt, segment_type, smooth, name, **kwargs)
+            else:
+                raise AssertionError("unexpected segment type: %r" % segment_type)
+        for pt, smooth, name, kwargs in last_offcurves:
+            pen.addPoint(pt, None, smooth, name, **kwargs)
+        pen.endPath()
+
+    def addComponent(self, baseGlyphName, transformation):
+        assert self.currentPath is None
+        self.pen.addComponent(baseGlyphName, transformation)
+
+
+class Cu2QuMultiPen:
+    """A filter multi-pen to convert cubic bezier curves to quadratic b-splines
+    in a interpolation-compatible manner, using the FontTools SegmentPen protocol.
+
+    Args:
+
+        other_pens: list of SegmentPens used to draw the transformed outlines.
+        max_err: maximum approximation error in font units. For optimal results,
+            if you know the UPEM of the font, we recommend setting this to a
+            value equal, or close to UPEM / 1000.
+        reverse_direction: flip the contours' direction but keep starting point.
+
+    This pen does not follow the normal SegmentPen protocol. Instead, its
+    moveTo/lineTo/qCurveTo/curveTo methods take a list of tuples that are
+    arguments that would normally be passed to a SegmentPen, one item for
+    each of the pens in other_pens.
+    """
+
+    # TODO Simplify like 3e8ebcdce592fe8a59ca4c3a294cc9724351e1ce
+    # Remove start_pts and _add_moveTO
+
+    def __init__(self, other_pens, max_err, reverse_direction=False):
+        if reverse_direction:
+            other_pens = [
+                ReverseContourPen(pen, outputImpliedClosingLine=True)
+                for pen in other_pens
+            ]
+        self.pens = other_pens
+        self.max_err = max_err
+        self.start_pts = None
+        self.current_pts = None
+
+    def _check_contour_is_open(self):
+        if self.current_pts is None:
+            raise AssertionError("moveTo is required")
+
+    def _check_contour_is_closed(self):
+        if self.current_pts is not None:
+            raise AssertionError("closePath or endPath is required")
+
+    def _add_moveTo(self):
+        if self.start_pts is not None:
+            for pt, pen in zip(self.start_pts, self.pens):
+                pen.moveTo(*pt)
+            self.start_pts = None
+
+    def moveTo(self, pts):
+        self._check_contour_is_closed()
+        self.start_pts = self.current_pts = pts
+        self._add_moveTo()
+
+    def lineTo(self, pts):
+        self._check_contour_is_open()
+        self._add_moveTo()
+        for pt, pen in zip(pts, self.pens):
+            pen.lineTo(*pt)
+        self.current_pts = pts
+
+    def qCurveTo(self, pointsList):
+        self._check_contour_is_open()
+        if len(pointsList[0]) == 1:
+            self.lineTo([(points[0],) for points in pointsList])
+            return
+        self._add_moveTo()
+        current_pts = []
+        for points, pen in zip(pointsList, self.pens):
+            pen.qCurveTo(*points)
+            current_pts.append((points[-1],))
+        self.current_pts = current_pts
+
+    def _curves_to_quadratic(self, pointsList):
+        curves = []
+        for current_pt, points in zip(self.current_pts, pointsList):
+            curves.append(current_pt + points)
+        quadratics = curves_to_quadratic(curves, [self.max_err] * len(curves))
+        pointsList = []
+        for quadratic in quadratics:
+            pointsList.append(quadratic[1:])
+        self.qCurveTo(pointsList)
+
+    def curveTo(self, pointsList):
+        self._check_contour_is_open()
+        self._curves_to_quadratic(pointsList)
+
+    def closePath(self):
+        self._check_contour_is_open()
+        if self.start_pts is None:
+            for pen in self.pens:
+                pen.closePath()
+        self.current_pts = self.start_pts = None
+
+    def endPath(self):
+        self._check_contour_is_open()
+        if self.start_pts is None:
+            for pen in self.pens:
+                pen.endPath()
+        self.current_pts = self.start_pts = None
+
+    def addComponent(self, glyphName, transformations):
+        self._check_contour_is_closed()
+        for trans, pen in zip(transformations, self.pens):
+            pen.addComponent(glyphName, trans)

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/filterPen.py

@@ -0,0 +1,241 @@
+from __future__ import annotations
+
+from fontTools.pens.basePen import AbstractPen, DecomposingPen
+from fontTools.pens.pointPen import AbstractPointPen, DecomposingPointPen
+from fontTools.pens.recordingPen import RecordingPen
+
+
+class _PassThruComponentsMixin(object):
+    def addComponent(self, glyphName, transformation, **kwargs):
+        self._outPen.addComponent(glyphName, transformation, **kwargs)
+
+
+class FilterPen(_PassThruComponentsMixin, AbstractPen):
+    """Base class for pens that apply some transformation to the coordinates
+    they receive and pass them to another pen.
+
+    You can override any of its methods. The default implementation does
+    nothing, but passes the commands unmodified to the other pen.
+
+    >>> from fontTools.pens.recordingPen import RecordingPen
+    >>> rec = RecordingPen()
+    >>> pen = FilterPen(rec)
+    >>> v = iter(rec.value)
+
+    >>> pen.moveTo((0, 0))
+    >>> next(v)
+    ('moveTo', ((0, 0),))
+
+    >>> pen.lineTo((1, 1))
+    >>> next(v)
+    ('lineTo', ((1, 1),))
+
+    >>> pen.curveTo((2, 2), (3, 3), (4, 4))
+    >>> next(v)
+    ('curveTo', ((2, 2), (3, 3), (4, 4)))
+
+    >>> pen.qCurveTo((5, 5), (6, 6), (7, 7), (8, 8))
+    >>> next(v)
+    ('qCurveTo', ((5, 5), (6, 6), (7, 7), (8, 8)))
+
+    >>> pen.closePath()
+    >>> next(v)
+    ('closePath', ())
+
+    >>> pen.moveTo((9, 9))
+    >>> next(v)
+    ('moveTo', ((9, 9),))
+
+    >>> pen.endPath()
+    >>> next(v)
+    ('endPath', ())
+
+    >>> pen.addComponent('foo', (1, 0, 0, 1, 0, 0))
+    >>> next(v)
+    ('addComponent', ('foo', (1, 0, 0, 1, 0, 0)))
+    """
+
+    def __init__(self, outPen):
+        self._outPen = outPen
+        self.current_pt = None
+
+    def moveTo(self, pt):
+        self._outPen.moveTo(pt)
+        self.current_pt = pt
+
+    def lineTo(self, pt):
+        self._outPen.lineTo(pt)
+        self.current_pt = pt
+
+    def curveTo(self, *points):
+        self._outPen.curveTo(*points)
+        self.current_pt = points[-1]
+
+    def qCurveTo(self, *points):
+        self._outPen.qCurveTo(*points)
+        self.current_pt = points[-1]
+
+    def closePath(self):
+        self._outPen.closePath()
+        self.current_pt = None
+
+    def endPath(self):
+        self._outPen.endPath()
+        self.current_pt = None
+
+
+class ContourFilterPen(_PassThruComponentsMixin, RecordingPen):
+    """A "buffered" filter pen that accumulates contour data, passes
+    it through a ``filterContour`` method when the contour is closed or ended,
+    and finally draws the result with the output pen.
+
+    Components are passed through unchanged.
+    """
+
+    def __init__(self, outPen):
+        super(ContourFilterPen, self).__init__()
+        self._outPen = outPen
+
+    def closePath(self):
+        super(ContourFilterPen, self).closePath()
+        self._flushContour()
+
+    def endPath(self):
+        super(ContourFilterPen, self).endPath()
+        self._flushContour()
+
+    def _flushContour(self):
+        result = self.filterContour(self.value)
+        if result is not None:
+            self.value = result
+        self.replay(self._outPen)
+        self.value = []
+
+    def filterContour(self, contour):
+        """Subclasses must override this to perform the filtering.
+
+        The contour is a list of pen (operator, operands) tuples.
+        Operators are strings corresponding to the AbstractPen methods:
+        "moveTo", "lineTo", "curveTo", "qCurveTo", "closePath" and
+        "endPath". The operands are the positional arguments that are
+        passed to each method.
+
+        If the method doesn't return a value (i.e. returns None), it's
+        assumed that the argument was modified in-place.
+        Otherwise, the return value is drawn with the output pen.
+        """
+        return  # or return contour
+
+
+class FilterPointPen(_PassThruComponentsMixin, AbstractPointPen):
+    """Baseclass for point pens that apply some transformation to the
+    coordinates they receive and pass them to another point pen.
+
+    You can override any of its methods. The default implementation does
+    nothing, but passes the commands unmodified to the other pen.
+
+    >>> from fontTools.pens.recordingPen import RecordingPointPen
+    >>> rec = RecordingPointPen()
+    >>> pen = FilterPointPen(rec)
+    >>> v = iter(rec.value)
+    >>> pen.beginPath(identifier="abc")
+    >>> next(v)
+    ('beginPath', (), {'identifier': 'abc'})
+    >>> pen.addPoint((1, 2), "line", False)
+    >>> next(v)
+    ('addPoint', ((1, 2), 'line', False, None), {})
+    >>> pen.addComponent("a", (2, 0, 0, 2, 10, -10), identifier="0001")
+    >>> next(v)
+    ('addComponent', ('a', (2, 0, 0, 2, 10, -10)), {'identifier': '0001'})
+    >>> pen.endPath()
+    >>> next(v)
+    ('endPath', (), {})
+    """
+
+    def __init__(self, outPen):
+        self._outPen = outPen
+
+    def beginPath(self, **kwargs):
+        self._outPen.beginPath(**kwargs)
+
+    def endPath(self):
+        self._outPen.endPath()
+
+    def addPoint(self, pt, segmentType=None, smooth=False, name=None, **kwargs):
+        self._outPen.addPoint(pt, segmentType, smooth, name, **kwargs)
+
+
+class _DecomposingFilterPenMixin:
+    """Mixin class that decomposes components as regular contours.
+
+    Shared by both DecomposingFilterPen and DecomposingFilterPointPen.
+
+    Takes two required parameters, another (segment or point) pen 'outPen' to draw
+    with, and a 'glyphSet' dict of drawable glyph objects to draw components from.
+
+    The 'skipMissingComponents' and 'reverseFlipped' optional arguments work the
+    same as in the DecomposingPen/DecomposingPointPen. Both are False by default.
+
+    In addition, the decomposing filter pens also take the following two options:
+
+    'include' is an optional set of component base glyph names to consider for
+    decomposition; the default include=None means decompose all components no matter
+    the base glyph name).
+
+    'decomposeNested' (bool) controls whether to recurse decomposition into nested
+    components of components (this only matters when 'include' was also provided);
+    if False, only decompose top-level components included in the set, but not
+    also their children.
+    """
+
+    # raises MissingComponentError if base glyph is not found in glyphSet
+    skipMissingComponents = False
+
+    def __init__(
+        self,
+        outPen,
+        glyphSet,
+        skipMissingComponents=None,
+        reverseFlipped=False,
+        include: set[str] | None = None,
+        decomposeNested: bool = True,
+    ):
+        super().__init__(
+            outPen=outPen,
+            glyphSet=glyphSet,
+            skipMissingComponents=skipMissingComponents,
+            reverseFlipped=reverseFlipped,
+        )
+        self.include = include
+        self.decomposeNested = decomposeNested
+
+    def addComponent(self, baseGlyphName, transformation, **kwargs):
+        # only decompose the component if it's included in the set
+        if self.include is None or baseGlyphName in self.include:
+            # if we're decomposing nested components, temporarily set include to None
+            include_bak = self.include
+            if self.decomposeNested and self.include:
+                self.include = None
+            try:
+                super().addComponent(baseGlyphName, transformation, **kwargs)
+            finally:
+                if self.include != include_bak:
+                    self.include = include_bak
+        else:
+            _PassThruComponentsMixin.addComponent(
+                self, baseGlyphName, transformation, **kwargs
+            )
+
+
+class DecomposingFilterPen(_DecomposingFilterPenMixin, DecomposingPen, FilterPen):
+    """Filter pen that draws components as regular contours."""
+
+    pass
+
+
+class DecomposingFilterPointPen(
+    _DecomposingFilterPenMixin, DecomposingPointPen, FilterPointPen
+):
+    """Filter point pen that draws components as regular contours."""
+
+    pass

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/hashPointPen.py

@@ -0,0 +1,89 @@
+# Modified from https://github.com/adobe-type-tools/psautohint/blob/08b346865710ed3c172f1eb581d6ef243b203f99/python/psautohint/ufoFont.py#L800-L838
+import hashlib
+
+from fontTools.pens.basePen import MissingComponentError
+from fontTools.pens.pointPen import AbstractPointPen
+
+
+class HashPointPen(AbstractPointPen):
+    """
+    This pen can be used to check if a glyph's contents (outlines plus
+    components) have changed.
+
+    Components are added as the original outline plus each composite's
+    transformation.
+
+    Example: You have some TrueType hinting code for a glyph which you want to
+    compile. The hinting code specifies a hash value computed with HashPointPen
+    that was valid for the glyph's outlines at the time the hinting code was
+    written. Now you can calculate the hash for the glyph's current outlines to
+    check if the outlines have changed, which would probably make the hinting
+    code invalid.
+
+    > glyph = ufo[name]
+    > hash_pen = HashPointPen(glyph.width, ufo)
+    > glyph.drawPoints(hash_pen)
+    > ttdata = glyph.lib.get("public.truetype.instructions", None)
+    > stored_hash = ttdata.get("id", None)  # The hash is stored in the "id" key
+    > if stored_hash is None or stored_hash != hash_pen.hash:
+    >    logger.error(f"Glyph hash mismatch, glyph '{name}' will have no instructions in font.")
+    > else:
+    >    # The hash values are identical, the outline has not changed.
+    >    # Compile the hinting code ...
+    >    pass
+
+    If you want to compare a glyph from a source format which supports floating point
+    coordinates and transformations against a glyph from a format which has restrictions
+    on the precision of floats, e.g. UFO vs. TTF, you must use an appropriate rounding
+    function to make the values comparable. For TTF fonts with composites, this
+    construct can be used to make the transform values conform to F2Dot14:
+
+    > ttf_hash_pen = HashPointPen(ttf_glyph_width, ttFont.getGlyphSet())
+    > ttf_round_pen = RoundingPointPen(ttf_hash_pen, transformRoundFunc=partial(floatToFixedToFloat, precisionBits=14))
+    > ufo_hash_pen = HashPointPen(ufo_glyph.width, ufo)
+    > ttf_glyph.drawPoints(ttf_round_pen, ttFont["glyf"])
+    > ufo_round_pen = RoundingPointPen(ufo_hash_pen, transformRoundFunc=partial(floatToFixedToFloat, precisionBits=14))
+    > ufo_glyph.drawPoints(ufo_round_pen)
+    > assert ttf_hash_pen.hash == ufo_hash_pen.hash
+    """
+
+    def __init__(self, glyphWidth=0, glyphSet=None):
+        self.glyphset = glyphSet
+        self.data = ["w%s" % round(glyphWidth, 9)]
+
+    @property
+    def hash(self):
+        data = "".join(self.data)
+        if len(data) >= 128:
+            data = hashlib.sha512(data.encode("ascii")).hexdigest()
+        return data
+
+    def beginPath(self, identifier=None, **kwargs):
+        pass
+
+    def endPath(self):
+        self.data.append("|")
+
+    def addPoint(
+        self,
+        pt,
+        segmentType=None,
+        smooth=False,
+        name=None,
+        identifier=None,
+        **kwargs,
+    ):
+        if segmentType is None:
+            pt_type = "o"  # offcurve
+        else:
+            pt_type = segmentType[0]
+        self.data.append(f"{pt_type}{pt[0]:g}{pt[1]:+g}")
+
+    def addComponent(self, baseGlyphName, transformation, identifier=None, **kwargs):
+        tr = "".join([f"{t:+}" for t in transformation])
+        self.data.append("[")
+        try:
+            self.glyphset[baseGlyphName].drawPoints(self)
+        except KeyError:
+            raise MissingComponentError(baseGlyphName)
+        self.data.append(f"({tr})]")

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/qtPen.py

@@ -0,0 +1,29 @@
+from fontTools.pens.basePen import BasePen
+
+
+__all__ = ["QtPen"]
+
+
+class QtPen(BasePen):
+    def __init__(self, glyphSet, path=None):
+        BasePen.__init__(self, glyphSet)
+        if path is None:
+            from PyQt5.QtGui import QPainterPath
+
+            path = QPainterPath()
+        self.path = path
+
+    def _moveTo(self, p):
+        self.path.moveTo(*p)
+
+    def _lineTo(self, p):
+        self.path.lineTo(*p)
+
+    def _curveToOne(self, p1, p2, p3):
+        self.path.cubicTo(*p1, *p2, *p3)
+
+    def _qCurveToOne(self, p1, p2):
+        self.path.quadTo(*p1, *p2)
+
+    def _closePath(self):
+        self.path.closeSubpath()

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/qu2cuPen.py

@@ -0,0 +1,105 @@
+# Copyright 2016 Google Inc. All Rights Reserved.
+# Copyright 2023 Behdad Esfahbod. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from fontTools.qu2cu import quadratic_to_curves
+from fontTools.pens.filterPen import ContourFilterPen
+from fontTools.pens.reverseContourPen import ReverseContourPen
+import math
+
+
+class Qu2CuPen(ContourFilterPen):
+    """A filter pen to convert quadratic bezier splines to cubic curves
+    using the FontTools SegmentPen protocol.
+
+    Args:
+
+        other_pen: another SegmentPen used to draw the transformed outline.
+        max_err: maximum approximation error in font units. For optimal results,
+            if you know the UPEM of the font, we recommend setting this to a
+            value equal, or close to UPEM / 1000.
+        reverse_direction: flip the contours' direction but keep starting point.
+        stats: a dictionary counting the point numbers of cubic segments.
+    """
+
+    def __init__(
+        self,
+        other_pen,
+        max_err,
+        all_cubic=False,
+        reverse_direction=False,
+        stats=None,
+    ):
+        if reverse_direction:
+            other_pen = ReverseContourPen(other_pen)
+        super().__init__(other_pen)
+        self.all_cubic = all_cubic
+        self.max_err = max_err
+        self.stats = stats
+
+    def _quadratics_to_curve(self, q):
+        curves = quadratic_to_curves(q, self.max_err, all_cubic=self.all_cubic)
+        if self.stats is not None:
+            for curve in curves:
+                n = str(len(curve) - 2)
+                self.stats[n] = self.stats.get(n, 0) + 1
+        for curve in curves:
+            if len(curve) == 4:
+                yield ("curveTo", curve[1:])
+            else:
+                yield ("qCurveTo", curve[1:])
+
+    def filterContour(self, contour):
+        quadratics = []
+        currentPt = None
+        newContour = []
+        for op, args in contour:
+            if op == "qCurveTo" and (
+                self.all_cubic or (len(args) > 2 and args[-1] is not None)
+            ):
+                if args[-1] is None:
+                    raise NotImplementedError(
+                        "oncurve-less contours with all_cubic not implemented"
+                    )
+                quadratics.append((currentPt,) + args)
+            else:
+                if quadratics:
+                    newContour.extend(self._quadratics_to_curve(quadratics))
+                    quadratics = []
+                newContour.append((op, args))
+            currentPt = args[-1] if args else None
+        if quadratics:
+            newContour.extend(self._quadratics_to_curve(quadratics))
+
+        if not self.all_cubic:
+            # Add back implicit oncurve points
+            contour = newContour
+            newContour = []
+            for op, args in contour:
+                if op == "qCurveTo" and newContour and newContour[-1][0] == "qCurveTo":
+                    pt0 = newContour[-1][1][-2]
+                    pt1 = newContour[-1][1][-1]
+                    pt2 = args[0]
+                    if (
+                        pt1 is not None
+                        and math.isclose(pt2[0] - pt1[0], pt1[0] - pt0[0])
+                        and math.isclose(pt2[1] - pt1[1], pt1[1] - pt0[1])
+                    ):
+                        newArgs = newContour[-1][1][:-1] + args
+                        newContour[-1] = (op, newArgs)
+                        continue
+
+                newContour.append((op, args))
+
+        return newContour

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/quartzPen.py

@@ -0,0 +1,43 @@
+from fontTools.pens.basePen import BasePen
+
+from Quartz.CoreGraphics import CGPathCreateMutable, CGPathMoveToPoint
+from Quartz.CoreGraphics import CGPathAddLineToPoint, CGPathAddCurveToPoint
+from Quartz.CoreGraphics import CGPathAddQuadCurveToPoint, CGPathCloseSubpath
+
+
+__all__ = ["QuartzPen"]
+
+
+class QuartzPen(BasePen):
+    """A pen that creates a CGPath
+
+    Parameters
+    - path: an optional CGPath to add to
+    - xform: an optional CGAffineTransform to apply to the path
+    """
+
+    def __init__(self, glyphSet, path=None, xform=None):
+        BasePen.__init__(self, glyphSet)
+        if path is None:
+            path = CGPathCreateMutable()
+        self.path = path
+        self.xform = xform
+
+    def _moveTo(self, pt):
+        x, y = pt
+        CGPathMoveToPoint(self.path, self.xform, x, y)
+
+    def _lineTo(self, pt):
+        x, y = pt
+        CGPathAddLineToPoint(self.path, self.xform, x, y)
+
+    def _curveToOne(self, p1, p2, p3):
+        (x1, y1), (x2, y2), (x3, y3) = p1, p2, p3
+        CGPathAddCurveToPoint(self.path, self.xform, x1, y1, x2, y2, x3, y3)
+
+    def _qCurveToOne(self, p1, p2):
+        (x1, y1), (x2, y2) = p1, p2
+        CGPathAddQuadCurveToPoint(self.path, self.xform, x1, y1, x2, y2)
+
+    def _closePath(self):
+        CGPathCloseSubpath(self.path)

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/statisticsPen.py

@@ -0,0 +1,307 @@
+"""Pen calculating area, center of mass, variance and standard-deviation,
+covariance and correlation, and slant, of glyph shapes."""
+
+from math import sqrt, degrees, atan
+from fontTools.pens.basePen import BasePen, OpenContourError
+from fontTools.pens.momentsPen import MomentsPen
+
+__all__ = ["StatisticsPen", "StatisticsControlPen"]
+
+
+class StatisticsBase:
+    def __init__(self):
+        self._zero()
+
+    def _zero(self):
+        self.area = 0
+        self.meanX = 0
+        self.meanY = 0
+        self.varianceX = 0
+        self.varianceY = 0
+        self.stddevX = 0
+        self.stddevY = 0
+        self.covariance = 0
+        self.correlation = 0
+        self.slant = 0
+
+    def _update(self):
+        # XXX The variance formulas should never produce a negative value,
+        # but due to reasons I don't understand, both of our pens do.
+        # So we take the absolute value here.
+        self.varianceX = abs(self.varianceX)
+        self.varianceY = abs(self.varianceY)
+
+        self.stddevX = stddevX = sqrt(self.varianceX)
+        self.stddevY = stddevY = sqrt(self.varianceY)
+
+        # Correlation(X,Y) = Covariance(X,Y) / ( stddev(X) * stddev(Y) )
+        # https://en.wikipedia.org/wiki/Pearson_product-moment_correlation_coefficient
+        if stddevX * stddevY == 0:
+            correlation = float("NaN")
+        else:
+            # XXX The above formula should never produce a value outside
+            # the range [-1, 1], but due to reasons I don't understand,
+            # (probably the same issue as above), it does. So we clamp.
+            correlation = self.covariance / (stddevX * stddevY)
+            correlation = max(-1, min(1, correlation))
+        self.correlation = correlation if abs(correlation) > 1e-3 else 0
+
+        slant = (
+            self.covariance / self.varianceY if self.varianceY != 0 else float("NaN")
+        )
+        self.slant = slant if abs(slant) > 1e-3 else 0
+
+
+class StatisticsPen(StatisticsBase, MomentsPen):
+    """Pen calculating area, center of mass, variance and
+    standard-deviation, covariance and correlation, and slant,
+    of glyph shapes.
+
+    Note that if the glyph shape is self-intersecting, the values
+    are not correct (but well-defined). Moreover, area will be
+    negative if contour directions are clockwise."""
+
+    def __init__(self, glyphset=None):
+        MomentsPen.__init__(self, glyphset=glyphset)
+        StatisticsBase.__init__(self)
+
+    def _closePath(self):
+        MomentsPen._closePath(self)
+        self._update()
+
+    def _update(self):
+        area = self.area
+        if not area:
+            self._zero()
+            return
+
+        # Center of mass
+        # https://en.wikipedia.org/wiki/Center_of_mass#A_continuous_volume
+        self.meanX = meanX = self.momentX / area
+        self.meanY = meanY = self.momentY / area
+
+        # Var(X) = E[X^2] - E[X]^2
+        self.varianceX = self.momentXX / area - meanX * meanX
+        self.varianceY = self.momentYY / area - meanY * meanY
+
+        # Covariance(X,Y) = (E[X.Y] - E[X]E[Y])
+        self.covariance = self.momentXY / area - meanX * meanY
+
+        StatisticsBase._update(self)
+
+
+class StatisticsControlPen(StatisticsBase, BasePen):
+    """Pen calculating area, center of mass, variance and
+    standard-deviation, covariance and correlation, and slant,
+    of glyph shapes, using the control polygon only.
+
+    Note that if the glyph shape is self-intersecting, the values
+    are not correct (but well-defined). Moreover, area will be
+    negative if contour directions are clockwise."""
+
+    def __init__(self, glyphset=None):
+        BasePen.__init__(self, glyphset)
+        StatisticsBase.__init__(self)
+        self._nodes = []
+
+    def _moveTo(self, pt):
+        self._nodes.append(complex(*pt))
+
+    def _lineTo(self, pt):
+        self._nodes.append(complex(*pt))
+
+    def _qCurveToOne(self, pt1, pt2):
+        for pt in (pt1, pt2):
+            self._nodes.append(complex(*pt))
+
+    def _curveToOne(self, pt1, pt2, pt3):
+        for pt in (pt1, pt2, pt3):
+            self._nodes.append(complex(*pt))
+
+    def _closePath(self):
+        self._update()
+
+    def _endPath(self):
+        p0 = self._getCurrentPoint()
+        if p0 != self._startPoint:
+            raise OpenContourError("Glyph statistics not defined on open contours.")
+
+    def _update(self):
+        nodes = self._nodes
+        n = len(nodes)
+
+        # Triangle formula
+        self.area = (
+            sum(
+                (p0.real * p1.imag - p1.real * p0.imag)
+                for p0, p1 in zip(nodes, nodes[1:] + nodes[:1])
+            )
+            / 2
+        )
+
+        # Center of mass
+        # https://en.wikipedia.org/wiki/Center_of_mass#A_system_of_particles
+        sumNodes = sum(nodes)
+        self.meanX = meanX = sumNodes.real / n
+        self.meanY = meanY = sumNodes.imag / n
+
+        if n > 1:
+            # Var(X) = (sum[X^2] - sum[X]^2 / n) / (n - 1)
+            # https://www.statisticshowto.com/probability-and-statistics/descriptive-statistics/sample-variance/
+            self.varianceX = varianceX = (
+                sum(p.real * p.real for p in nodes)
+                - (sumNodes.real * sumNodes.real) / n
+            ) / (n - 1)
+            self.varianceY = varianceY = (
+                sum(p.imag * p.imag for p in nodes)
+                - (sumNodes.imag * sumNodes.imag) / n
+            ) / (n - 1)
+
+            # Covariance(X,Y) = (sum[X.Y] - sum[X].sum[Y] / n) / (n - 1)
+            self.covariance = covariance = (
+                sum(p.real * p.imag for p in nodes)
+                - (sumNodes.real * sumNodes.imag) / n
+            ) / (n - 1)
+        else:
+            self.varianceX = varianceX = 0
+            self.varianceY = varianceY = 0
+            self.covariance = covariance = 0
+
+        StatisticsBase._update(self)
+
+
+def _test(glyphset, upem, glyphs, quiet=False, *, control=False):
+    from fontTools.pens.transformPen import TransformPen
+    from fontTools.misc.transform import Scale
+
+    wght_sum = 0
+    wght_sum_perceptual = 0
+    wdth_sum = 0
+    slnt_sum = 0
+    slnt_sum_perceptual = 0
+    for glyph_name in glyphs:
+        glyph = glyphset[glyph_name]
+        if control:
+            pen = StatisticsControlPen(glyphset=glyphset)
+        else:
+            pen = StatisticsPen(glyphset=glyphset)
+        transformer = TransformPen(pen, Scale(1.0 / upem))
+        glyph.draw(transformer)
+
+        area = abs(pen.area)
+        width = glyph.width
+        wght_sum += area
+        wght_sum_perceptual += pen.area * width
+        wdth_sum += width
+        slnt_sum += pen.slant
+        slnt_sum_perceptual += pen.slant * width
+
+        if quiet:
+            continue
+
+        print()
+        print("glyph:", glyph_name)
+
+        for item in [
+            "area",
+            "momentX",
+            "momentY",
+            "momentXX",
+            "momentYY",
+            "momentXY",
+            "meanX",
+            "meanY",
+            "varianceX",
+            "varianceY",
+            "stddevX",
+            "stddevY",
+            "covariance",
+            "correlation",
+            "slant",
+        ]:
+            print("%s: %g" % (item, getattr(pen, item)))
+
+    if not quiet:
+        print()
+        print("font:")
+
+    print("weight: %g" % (wght_sum * upem / wdth_sum))
+    print("weight (perceptual): %g" % (wght_sum_perceptual / wdth_sum))
+    print("width:  %g" % (wdth_sum / upem / len(glyphs)))
+    slant = slnt_sum / len(glyphs)
+    print("slant:  %g" % slant)
+    print("slant angle:  %g" % -degrees(atan(slant)))
+    slant_perceptual = slnt_sum_perceptual / wdth_sum
+    print("slant (perceptual):  %g" % slant_perceptual)
+    print("slant (perceptual) angle:  %g" % -degrees(atan(slant_perceptual)))
+
+
+def main(args):
+    """Report font glyph shape geometricsl statistics"""
+
+    if args is None:
+        import sys
+
+        args = sys.argv[1:]
+
+    import argparse
+
+    parser = argparse.ArgumentParser(
+        "fonttools pens.statisticsPen",
+        description="Report font glyph shape geometricsl statistics",
+    )
+    parser.add_argument("font", metavar="font.ttf", help="Font file.")
+    parser.add_argument("glyphs", metavar="glyph-name", help="Glyph names.", nargs="*")
+    parser.add_argument(
+        "-y",
+        metavar="<number>",
+        help="Face index into a collection to open. Zero based.",
+    )
+    parser.add_argument(
+        "-c",
+        "--control",
+        action="store_true",
+        help="Use the control-box pen instead of the Green therem.",
+    )
+    parser.add_argument(
+        "-q", "--quiet", action="store_true", help="Only report font-wide statistics."
+    )
+    parser.add_argument(
+        "--variations",
+        metavar="AXIS=LOC",
+        default="",
+        help="List of space separated locations. A location consist in "
+        "the name of a variation axis, followed by '=' and a number. E.g.: "
+        "wght=700 wdth=80. The default is the location of the base master.",
+    )
+
+    options = parser.parse_args(args)
+
+    glyphs = options.glyphs
+    fontNumber = int(options.y) if options.y is not None else 0
+
+    location = {}
+    for tag_v in options.variations.split():
+        fields = tag_v.split("=")
+        tag = fields[0].strip()
+        v = int(fields[1])
+        location[tag] = v
+
+    from fontTools.ttLib import TTFont
+
+    font = TTFont(options.font, fontNumber=fontNumber)
+    if not glyphs:
+        glyphs = font.getGlyphOrder()
+    _test(
+        font.getGlyphSet(location=location),
+        font["head"].unitsPerEm,
+        glyphs,
+        quiet=options.quiet,
+        control=options.control,
+    )
+
+
+if __name__ == "__main__":
+    import sys
+
+    main(sys.argv[1:])

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/svgPathPen.py

@@ -0,0 +1,310 @@
+from typing import Callable
+from fontTools.pens.basePen import BasePen
+
+
+def pointToString(pt, ntos=str):
+    return " ".join(ntos(i) for i in pt)
+
+
+class SVGPathPen(BasePen):
+    """Pen to draw SVG path d commands.
+
+    Args:
+        glyphSet: a dictionary of drawable glyph objects keyed by name
+            used to resolve component references in composite glyphs.
+        ntos: a callable that takes a number and returns a string, to
+            customize how numbers are formatted (default: str).
+
+    :Example:
+        .. code-block::
+
+            >>> pen = SVGPathPen(None)
+            >>> pen.moveTo((0, 0))
+            >>> pen.lineTo((1, 1))
+            >>> pen.curveTo((2, 2), (3, 3), (4, 4))
+            >>> pen.closePath()
+            >>> pen.getCommands()
+            'M0 0 1 1C2 2 3 3 4 4Z'
+
+    Note:
+        Fonts have a coordinate system where Y grows up, whereas in SVG,
+        Y grows down.  As such, rendering path data from this pen in
+        SVG typically results in upside-down glyphs.  You can fix this
+        by wrapping the data from this pen in an SVG group element with
+        transform, or wrap this pen in a transform pen.  For example:
+        .. code-block:: python
+
+            spen = svgPathPen.SVGPathPen(glyphset)
+            pen= TransformPen(spen , (1, 0, 0, -1, 0, 0))
+            glyphset[glyphname].draw(pen)
+            print(tpen.getCommands())
+    """
+
+    def __init__(self, glyphSet, ntos: Callable[[float], str] = str):
+        BasePen.__init__(self, glyphSet)
+        self._commands = []
+        self._lastCommand = None
+        self._lastX = None
+        self._lastY = None
+        self._ntos = ntos
+
+    def _handleAnchor(self):
+        """
+        >>> pen = SVGPathPen(None)
+        >>> pen.moveTo((0, 0))
+        >>> pen.moveTo((10, 10))
+        >>> pen._commands
+        ['M10 10']
+        """
+        if self._lastCommand == "M":
+            self._commands.pop(-1)
+
+    def _moveTo(self, pt):
+        """
+        >>> pen = SVGPathPen(None)
+        >>> pen.moveTo((0, 0))
+        >>> pen._commands
+        ['M0 0']
+
+        >>> pen = SVGPathPen(None)
+        >>> pen.moveTo((10, 0))
+        >>> pen._commands
+        ['M10 0']
+
+        >>> pen = SVGPathPen(None)
+        >>> pen.moveTo((0, 10))
+        >>> pen._commands
+        ['M0 10']
+        """
+        self._handleAnchor()
+        t = "M%s" % (pointToString(pt, self._ntos))
+        self._commands.append(t)
+        self._lastCommand = "M"
+        self._lastX, self._lastY = pt
+
+    def _lineTo(self, pt):
+        """
+        # duplicate point
+        >>> pen = SVGPathPen(None)
+        >>> pen.moveTo((10, 10))
+        >>> pen.lineTo((10, 10))
+        >>> pen._commands
+        ['M10 10']
+
+        # vertical line
+        >>> pen = SVGPathPen(None)
+        >>> pen.moveTo((10, 10))
+        >>> pen.lineTo((10, 0))
+        >>> pen._commands
+        ['M10 10', 'V0']
+
+        # horizontal line
+        >>> pen = SVGPathPen(None)
+        >>> pen.moveTo((10, 10))
+        >>> pen.lineTo((0, 10))
+        >>> pen._commands
+        ['M10 10', 'H0']
+
+        # basic
+        >>> pen = SVGPathPen(None)
+        >>> pen.lineTo((70, 80))
+        >>> pen._commands
+        ['L70 80']
+
+        # basic following a moveto
+        >>> pen = SVGPathPen(None)
+        >>> pen.moveTo((0, 0))
+        >>> pen.lineTo((10, 10))
+        >>> pen._commands
+        ['M0 0', ' 10 10']
+        """
+        x, y = pt
+        # duplicate point
+        if x == self._lastX and y == self._lastY:
+            return
+        # vertical line
+        elif x == self._lastX:
+            cmd = "V"
+            pts = self._ntos(y)
+        # horizontal line
+        elif y == self._lastY:
+            cmd = "H"
+            pts = self._ntos(x)
+        # previous was a moveto
+        elif self._lastCommand == "M":
+            cmd = None
+            pts = " " + pointToString(pt, self._ntos)
+        # basic
+        else:
+            cmd = "L"
+            pts = pointToString(pt, self._ntos)
+        # write the string
+        t = ""
+        if cmd:
+            t += cmd
+            self._lastCommand = cmd
+        t += pts
+        self._commands.append(t)
+        # store for future reference
+        self._lastX, self._lastY = pt
+
+    def _curveToOne(self, pt1, pt2, pt3):
+        """
+        >>> pen = SVGPathPen(None)
+        >>> pen.curveTo((10, 20), (30, 40), (50, 60))
+        >>> pen._commands
+        ['C10 20 30 40 50 60']
+        """
+        t = "C"
+        t += pointToString(pt1, self._ntos) + " "
+        t += pointToString(pt2, self._ntos) + " "
+        t += pointToString(pt3, self._ntos)
+        self._commands.append(t)
+        self._lastCommand = "C"
+        self._lastX, self._lastY = pt3
+
+    def _qCurveToOne(self, pt1, pt2):
+        """
+        >>> pen = SVGPathPen(None)
+        >>> pen.qCurveTo((10, 20), (30, 40))
+        >>> pen._commands
+        ['Q10 20 30 40']
+        >>> from fontTools.misc.roundTools import otRound
+        >>> pen = SVGPathPen(None, ntos=lambda v: str(otRound(v)))
+        >>> pen.qCurveTo((3, 3), (7, 5), (11, 4))
+        >>> pen._commands
+        ['Q3 3 5 4', 'Q7 5 11 4']
+        """
+        assert pt2 is not None
+        t = "Q"
+        t += pointToString(pt1, self._ntos) + " "
+        t += pointToString(pt2, self._ntos)
+        self._commands.append(t)
+        self._lastCommand = "Q"
+        self._lastX, self._lastY = pt2
+
+    def _closePath(self):
+        """
+        >>> pen = SVGPathPen(None)
+        >>> pen.closePath()
+        >>> pen._commands
+        ['Z']
+        """
+        self._commands.append("Z")
+        self._lastCommand = "Z"
+        self._lastX = self._lastY = None
+
+    def _endPath(self):
+        """
+        >>> pen = SVGPathPen(None)
+        >>> pen.endPath()
+        >>> pen._commands
+        []
+        """
+        self._lastCommand = None
+        self._lastX = self._lastY = None
+
+    def getCommands(self):
+        return "".join(self._commands)
+
+
+def main(args=None):
+    """Generate per-character SVG from font and text"""
+
+    if args is None:
+        import sys
+
+        args = sys.argv[1:]
+
+    from fontTools.ttLib import TTFont
+    import argparse
+
+    parser = argparse.ArgumentParser(
+        "fonttools pens.svgPathPen", description="Generate SVG from text"
+    )
+    parser.add_argument("font", metavar="font.ttf", help="Font file.")
+    parser.add_argument("text", metavar="text", nargs="?", help="Text string.")
+    parser.add_argument(
+        "-y",
+        metavar="<number>",
+        help="Face index into a collection to open. Zero based.",
+    )
+    parser.add_argument(
+        "--glyphs",
+        metavar="whitespace-separated list of glyph names",
+        type=str,
+        help="Glyphs to show. Exclusive with text option",
+    )
+    parser.add_argument(
+        "--variations",
+        metavar="AXIS=LOC",
+        default="",
+        help="List of space separated locations. A location consist in "
+        "the name of a variation axis, followed by '=' and a number. E.g.: "
+        "wght=700 wdth=80. The default is the location of the base master.",
+    )
+
+    options = parser.parse_args(args)
+
+    fontNumber = int(options.y) if options.y is not None else 0
+
+    font = TTFont(options.font, fontNumber=fontNumber)
+    text = options.text
+    glyphs = options.glyphs
+
+    location = {}
+    for tag_v in options.variations.split():
+        fields = tag_v.split("=")
+        tag = fields[0].strip()
+        v = float(fields[1])
+        location[tag] = v
+
+    hhea = font["hhea"]
+    ascent, descent = hhea.ascent, hhea.descent
+
+    glyphset = font.getGlyphSet(location=location)
+    cmap = font["cmap"].getBestCmap()
+
+    if glyphs is not None and text is not None:
+        raise ValueError("Options --glyphs and --text are exclusive")
+
+    if glyphs is None:
+        glyphs = " ".join(cmap[ord(u)] for u in text)
+
+    glyphs = glyphs.split()
+
+    s = ""
+    width = 0
+    for g in glyphs:
+        glyph = glyphset[g]
+
+        pen = SVGPathPen(glyphset)
+        glyph.draw(pen)
+        commands = pen.getCommands()
+
+        s += '<g transform="translate(%d %d) scale(1 -1)"><path d="%s"/></g>\n' % (
+            width,
+            ascent,
+            commands,
+        )
+
+        width += glyph.width
+
+    print('<?xml version="1.0" encoding="UTF-8"?>')
+    print(
+        '<svg width="%d" height="%d" xmlns="http://www.w3.org/2000/svg">'
+        % (width, ascent - descent)
+    )
+    print(s, end="")
+    print("</svg>")
+
+
+if __name__ == "__main__":
+    import sys
+
+    if len(sys.argv) == 1:
+        import doctest
+
+        sys.exit(doctest.testmod().failed)
+
+    sys.exit(main())

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/ttGlyphPen.py

@@ -0,0 +1,335 @@
+from array import array
+from typing import Any, Callable, Dict, Optional, Tuple
+from fontTools.misc.fixedTools import MAX_F2DOT14, floatToFixedToFloat
+from fontTools.misc.loggingTools import LogMixin
+from fontTools.pens.pointPen import AbstractPointPen
+from fontTools.misc.roundTools import otRound
+from fontTools.pens.basePen import LoggingPen, PenError
+from fontTools.pens.transformPen import TransformPen, TransformPointPen
+from fontTools.ttLib.tables import ttProgram
+from fontTools.ttLib.tables._g_l_y_f import flagOnCurve, flagCubic
+from fontTools.ttLib.tables._g_l_y_f import Glyph
+from fontTools.ttLib.tables._g_l_y_f import GlyphComponent
+from fontTools.ttLib.tables._g_l_y_f import GlyphCoordinates
+from fontTools.ttLib.tables._g_l_y_f import dropImpliedOnCurvePoints
+import math
+
+
+__all__ = ["TTGlyphPen", "TTGlyphPointPen"]
+
+
+class _TTGlyphBasePen:
+    def __init__(
+        self,
+        glyphSet: Optional[Dict[str, Any]],
+        handleOverflowingTransforms: bool = True,
+    ) -> None:
+        """
+        Construct a new pen.
+
+        Args:
+            glyphSet (Dict[str, Any]): A glyphset object, used to resolve components.
+            handleOverflowingTransforms (bool): See below.
+
+        If ``handleOverflowingTransforms`` is True, the components' transform values
+        are checked that they don't overflow the limits of a F2Dot14 number:
+        -2.0 <= v < +2.0. If any transform value exceeds these, the composite
+        glyph is decomposed.
+
+        An exception to this rule is done for values that are very close to +2.0
+        (both for consistency with the -2.0 case, and for the relative frequency
+        these occur in real fonts). When almost +2.0 values occur (and all other
+        values are within the range -2.0 <= x <= +2.0), they are clamped to the
+        maximum positive value that can still be encoded as an F2Dot14: i.e.
+        1.99993896484375.
+
+        If False, no check is done and all components are translated unmodified
+        into the glyf table, followed by an inevitable ``struct.error`` once an
+        attempt is made to compile them.
+
+        If both contours and components are present in a glyph, the components
+        are decomposed.
+        """
+        self.glyphSet = glyphSet
+        self.handleOverflowingTransforms = handleOverflowingTransforms
+        self.init()
+
+    def _decompose(
+        self,
+        glyphName: str,
+        transformation: Tuple[float, float, float, float, float, float],
+    ):
+        tpen = self.transformPen(self, transformation)
+        getattr(self.glyphSet[glyphName], self.drawMethod)(tpen)
+
+    def _isClosed(self):
+        """
+        Check if the current path is closed.
+        """
+        raise NotImplementedError
+
+    def init(self) -> None:
+        self.points = []
+        self.endPts = []
+        self.types = []
+        self.components = []
+
+    def addComponent(
+        self,
+        baseGlyphName: str,
+        transformation: Tuple[float, float, float, float, float, float],
+        identifier: Optional[str] = None,
+        **kwargs: Any,
+    ) -> None:
+        """
+        Add a sub glyph.
+        """
+        self.components.append((baseGlyphName, transformation))
+
+    def _buildComponents(self, componentFlags):
+        if self.handleOverflowingTransforms:
+            # we can't encode transform values > 2 or < -2 in F2Dot14,
+            # so we must decompose the glyph if any transform exceeds these
+            overflowing = any(
+                s > 2 or s < -2
+                for (glyphName, transformation) in self.components
+                for s in transformation[:4]
+            )
+        components = []
+        for glyphName, transformation in self.components:
+            if glyphName not in self.glyphSet:
+                self.log.warning(f"skipped non-existing component '{glyphName}'")
+                continue
+            if self.points or (self.handleOverflowingTransforms and overflowing):
+                # can't have both coordinates and components, so decompose
+                self._decompose(glyphName, transformation)
+                continue
+
+            component = GlyphComponent()
+            component.glyphName = glyphName
+            component.x, component.y = (otRound(v) for v in transformation[4:])
+            # quantize floats to F2Dot14 so we get same values as when decompiled
+            # from a binary glyf table
+            transformation = tuple(
+                floatToFixedToFloat(v, 14) for v in transformation[:4]
+            )
+            if transformation != (1, 0, 0, 1):
+                if self.handleOverflowingTransforms and any(
+                    MAX_F2DOT14 < s <= 2 for s in transformation
+                ):
+                    # clamp values ~= +2.0 so we can keep the component
+                    transformation = tuple(
+                        MAX_F2DOT14 if MAX_F2DOT14 < s <= 2 else s
+                        for s in transformation
+                    )
+                component.transform = (transformation[:2], transformation[2:])
+            component.flags = componentFlags
+            components.append(component)
+        return components
+
+    def glyph(
+        self,
+        componentFlags: int = 0x04,
+        dropImpliedOnCurves: bool = False,
+        *,
+        round: Callable[[float], int] = otRound,
+    ) -> Glyph:
+        """
+        Returns a :py:class:`~._g_l_y_f.Glyph` object representing the glyph.
+
+        Args:
+            componentFlags: Flags to use for component glyphs. (default: 0x04)
+
+            dropImpliedOnCurves: Whether to remove implied-oncurve points. (default: False)
+        """
+        if not self._isClosed():
+            raise PenError("Didn't close last contour.")
+        components = self._buildComponents(componentFlags)
+
+        glyph = Glyph()
+        glyph.coordinates = GlyphCoordinates(self.points)
+        glyph.endPtsOfContours = self.endPts
+        glyph.flags = array("B", self.types)
+        self.init()
+
+        if components:
+            # If both components and contours were present, they have by now
+            # been decomposed by _buildComponents.
+            glyph.components = components
+            glyph.numberOfContours = -1
+        else:
+            glyph.numberOfContours = len(glyph.endPtsOfContours)
+            glyph.program = ttProgram.Program()
+            glyph.program.fromBytecode(b"")
+            if dropImpliedOnCurves:
+                dropImpliedOnCurvePoints(glyph)
+            glyph.coordinates.toInt(round=round)
+
+        return glyph
+
+
+class TTGlyphPen(_TTGlyphBasePen, LoggingPen):
+    """
+    Pen used for drawing to a TrueType glyph.
+
+    This pen can be used to construct or modify glyphs in a TrueType format
+    font. After using the pen to draw, use the ``.glyph()`` method to retrieve
+    a :py:class:`~._g_l_y_f.Glyph` object representing the glyph.
+    """
+
+    drawMethod = "draw"
+    transformPen = TransformPen
+
+    def __init__(
+        self,
+        glyphSet: Optional[Dict[str, Any]] = None,
+        handleOverflowingTransforms: bool = True,
+        outputImpliedClosingLine: bool = False,
+    ) -> None:
+        super().__init__(glyphSet, handleOverflowingTransforms)
+        self.outputImpliedClosingLine = outputImpliedClosingLine
+
+    def _addPoint(self, pt: Tuple[float, float], tp: int) -> None:
+        self.points.append(pt)
+        self.types.append(tp)
+
+    def _popPoint(self) -> None:
+        self.points.pop()
+        self.types.pop()
+
+    def _isClosed(self) -> bool:
+        return (not self.points) or (
+            self.endPts and self.endPts[-1] == len(self.points) - 1
+        )
+
+    def lineTo(self, pt: Tuple[float, float]) -> None:
+        self._addPoint(pt, flagOnCurve)
+
+    def moveTo(self, pt: Tuple[float, float]) -> None:
+        if not self._isClosed():
+            raise PenError('"move"-type point must begin a new contour.')
+        self._addPoint(pt, flagOnCurve)
+
+    def curveTo(self, *points) -> None:
+        assert len(points) % 2 == 1
+        for pt in points[:-1]:
+            self._addPoint(pt, flagCubic)
+
+        # last point is None if there are no on-curve points
+        if points[-1] is not None:
+            self._addPoint(points[-1], 1)
+
+    def qCurveTo(self, *points) -> None:
+        assert len(points) >= 1
+        for pt in points[:-1]:
+            self._addPoint(pt, 0)
+
+        # last point is None if there are no on-curve points
+        if points[-1] is not None:
+            self._addPoint(points[-1], 1)
+
+    def closePath(self) -> None:
+        endPt = len(self.points) - 1
+
+        # ignore anchors (one-point paths)
+        if endPt == 0 or (self.endPts and endPt == self.endPts[-1] + 1):
+            self._popPoint()
+            return
+
+        if not self.outputImpliedClosingLine:
+            # if first and last point on this path are the same, remove last
+            startPt = 0
+            if self.endPts:
+                startPt = self.endPts[-1] + 1
+            if self.points[startPt] == self.points[endPt]:
+                self._popPoint()
+                endPt -= 1
+
+        self.endPts.append(endPt)
+
+    def endPath(self) -> None:
+        # TrueType contours are always "closed"
+        self.closePath()
+
+
+class TTGlyphPointPen(_TTGlyphBasePen, LogMixin, AbstractPointPen):
+    """
+    Point pen used for drawing to a TrueType glyph.
+
+    This pen can be used to construct or modify glyphs in a TrueType format
+    font. After using the pen to draw, use the ``.glyph()`` method to retrieve
+    a :py:class:`~._g_l_y_f.Glyph` object representing the glyph.
+    """
+
+    drawMethod = "drawPoints"
+    transformPen = TransformPointPen
+
+    def init(self) -> None:
+        super().init()
+        self._currentContourStartIndex = None
+
+    def _isClosed(self) -> bool:
+        return self._currentContourStartIndex is None
+
+    def beginPath(self, identifier: Optional[str] = None, **kwargs: Any) -> None:
+        """
+        Start a new sub path.
+        """
+        if not self._isClosed():
+            raise PenError("Didn't close previous contour.")
+        self._currentContourStartIndex = len(self.points)
+
+    def endPath(self) -> None:
+        """
+        End the current sub path.
+        """
+        # TrueType contours are always "closed"
+        if self._isClosed():
+            raise PenError("Contour is already closed.")
+        if self._currentContourStartIndex == len(self.points):
+            # ignore empty contours
+            self._currentContourStartIndex = None
+            return
+
+        contourStart = self.endPts[-1] + 1 if self.endPts else 0
+        self.endPts.append(len(self.points) - 1)
+        self._currentContourStartIndex = None
+
+        # Resolve types for any cubic segments
+        flags = self.types
+        for i in range(contourStart, len(flags)):
+            if flags[i] == "curve":
+                j = i - 1
+                if j < contourStart:
+                    j = len(flags) - 1
+                while flags[j] == 0:
+                    flags[j] = flagCubic
+                    j -= 1
+                flags[i] = flagOnCurve
+
+    def addPoint(
+        self,
+        pt: Tuple[float, float],
+        segmentType: Optional[str] = None,
+        smooth: bool = False,
+        name: Optional[str] = None,
+        identifier: Optional[str] = None,
+        **kwargs: Any,
+    ) -> None:
+        """
+        Add a point to the current sub path.
+        """
+        if self._isClosed():
+            raise PenError("Can't add a point to a closed contour.")
+        if segmentType is None:
+            self.types.append(0)
+        elif segmentType in ("line", "move"):
+            self.types.append(flagOnCurve)
+        elif segmentType == "qcurve":
+            self.types.append(flagOnCurve)
+        elif segmentType == "curve":
+            self.types.append("curve")
+        else:
+            raise AssertionError(segmentType)
+
+        self.points.append(pt)

mantis_evalkit/lib/python3.10/site-packages/fontTools/pens/wxPen.py

@@ -0,0 +1,29 @@
+from fontTools.pens.basePen import BasePen
+
+
+__all__ = ["WxPen"]
+
+
+class WxPen(BasePen):
+    def __init__(self, glyphSet, path=None):
+        BasePen.__init__(self, glyphSet)
+        if path is None:
+            import wx
+
+            path = wx.GraphicsRenderer.GetDefaultRenderer().CreatePath()
+        self.path = path
+
+    def _moveTo(self, p):
+        self.path.MoveToPoint(*p)
+
+    def _lineTo(self, p):
+        self.path.AddLineToPoint(*p)
+
+    def _curveToOne(self, p1, p2, p3):
+        self.path.AddCurveToPoint(*p1 + p2 + p3)
+
+    def _qCurveToOne(self, p1, p2):
+        self.path.AddQuadCurveToPoint(*p1 + p2)
+
+    def _closePath(self):
+        self.path.CloseSubpath()