1126 lines
41 KiB
Python
1126 lines
41 KiB
Python
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"""
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Tool to find wrong contour order between different masters, and
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other interpolatability (or lack thereof) issues.
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Call as:
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$ fonttools varLib.interpolatable font1 font2 ...
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"""
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from .interpolatableHelpers import *
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from .interpolatableTestContourOrder import test_contour_order
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from .interpolatableTestStartingPoint import test_starting_point
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from fontTools.pens.recordingPen import (
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RecordingPen,
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DecomposingRecordingPen,
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lerpRecordings,
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)
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from fontTools.pens.transformPen import TransformPen
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from fontTools.pens.statisticsPen import StatisticsPen, StatisticsControlPen
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from fontTools.pens.momentsPen import OpenContourError
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from fontTools.varLib.models import piecewiseLinearMap, normalizeLocation
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from fontTools.misc.fixedTools import floatToFixedToStr
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from fontTools.misc.transform import Transform
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from collections import defaultdict
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from types import SimpleNamespace
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from functools import wraps
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from pprint import pformat
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from math import sqrt, atan2, pi
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import logging
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import os
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log = logging.getLogger("fontTools.varLib.interpolatable")
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DEFAULT_TOLERANCE = 0.95
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DEFAULT_KINKINESS = 0.5
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DEFAULT_KINKINESS_LENGTH = 0.002 # ratio of UPEM
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DEFAULT_UPEM = 1000
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class Glyph:
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ITEMS = (
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"recordings",
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"greenStats",
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"controlStats",
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"greenVectors",
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"controlVectors",
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"nodeTypes",
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"isomorphisms",
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"points",
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"openContours",
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)
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def __init__(self, glyphname, glyphset):
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self.name = glyphname
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for item in self.ITEMS:
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setattr(self, item, [])
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self._populate(glyphset)
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def _fill_in(self, ix):
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for item in self.ITEMS:
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if len(getattr(self, item)) == ix:
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getattr(self, item).append(None)
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def _populate(self, glyphset):
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glyph = glyphset[self.name]
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self.doesnt_exist = glyph is None
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if self.doesnt_exist:
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return
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perContourPen = PerContourOrComponentPen(RecordingPen, glyphset=glyphset)
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try:
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glyph.draw(perContourPen, outputImpliedClosingLine=True)
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except TypeError:
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glyph.draw(perContourPen)
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self.recordings = perContourPen.value
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del perContourPen
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for ix, contour in enumerate(self.recordings):
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nodeTypes = [op for op, arg in contour.value]
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self.nodeTypes.append(nodeTypes)
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greenStats = StatisticsPen(glyphset=glyphset)
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controlStats = StatisticsControlPen(glyphset=glyphset)
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try:
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contour.replay(greenStats)
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contour.replay(controlStats)
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self.openContours.append(False)
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except OpenContourError as e:
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self.openContours.append(True)
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self._fill_in(ix)
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continue
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self.greenStats.append(greenStats)
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self.controlStats.append(controlStats)
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self.greenVectors.append(contour_vector_from_stats(greenStats))
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self.controlVectors.append(contour_vector_from_stats(controlStats))
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# Check starting point
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if nodeTypes[0] == "addComponent":
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self._fill_in(ix)
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continue
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assert nodeTypes[0] == "moveTo"
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assert nodeTypes[-1] in ("closePath", "endPath")
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points = SimpleRecordingPointPen()
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converter = SegmentToPointPen(points, False)
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contour.replay(converter)
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# points.value is a list of pt,bool where bool is true if on-curve and false if off-curve;
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# now check all rotations and mirror-rotations of the contour and build list of isomorphic
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# possible starting points.
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self.points.append(points.value)
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isomorphisms = []
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self.isomorphisms.append(isomorphisms)
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# Add rotations
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add_isomorphisms(points.value, isomorphisms, False)
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# Add mirrored rotations
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add_isomorphisms(points.value, isomorphisms, True)
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def draw(self, pen, countor_idx=None):
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if countor_idx is None:
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for contour in self.recordings:
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contour.draw(pen)
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else:
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self.recordings[countor_idx].draw(pen)
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def test_gen(
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glyphsets,
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glyphs=None,
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names=None,
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ignore_missing=False,
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*,
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locations=None,
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tolerance=DEFAULT_TOLERANCE,
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kinkiness=DEFAULT_KINKINESS,
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upem=DEFAULT_UPEM,
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show_all=False,
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):
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if tolerance >= 10:
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tolerance *= 0.01
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assert 0 <= tolerance <= 1
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if kinkiness >= 10:
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kinkiness *= 0.01
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assert 0 <= kinkiness
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names = names or [repr(g) for g in glyphsets]
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if glyphs is None:
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# `glyphs = glyphsets[0].keys()` is faster, certainly, but doesn't allow for sparse TTFs/OTFs given out of order
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# ... risks the sparse master being the first one, and only processing a subset of the glyphs
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glyphs = {g for glyphset in glyphsets for g in glyphset.keys()}
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parents, order = find_parents_and_order(glyphsets, locations)
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def grand_parent(i, glyphname):
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if i is None:
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return None
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i = parents[i]
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if i is None:
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return None
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while parents[i] is not None and glyphsets[i][glyphname] is None:
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i = parents[i]
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return i
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for glyph_name in glyphs:
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log.info("Testing glyph %s", glyph_name)
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allGlyphs = [Glyph(glyph_name, glyphset) for glyphset in glyphsets]
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if len([1 for glyph in allGlyphs if glyph is not None]) <= 1:
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continue
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for master_idx, (glyph, glyphset, name) in enumerate(
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zip(allGlyphs, glyphsets, names)
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):
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if glyph.doesnt_exist:
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if not ignore_missing:
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yield (
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glyph_name,
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{
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"type": InterpolatableProblem.MISSING,
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"master": name,
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"master_idx": master_idx,
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},
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)
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continue
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has_open = False
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for ix, open in enumerate(glyph.openContours):
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if not open:
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continue
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has_open = True
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yield (
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glyph_name,
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{
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"type": InterpolatableProblem.OPEN_PATH,
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"master": name,
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"master_idx": master_idx,
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"contour": ix,
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},
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)
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if has_open:
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continue
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matchings = [None] * len(glyphsets)
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for m1idx in order:
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glyph1 = allGlyphs[m1idx]
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if glyph1 is None or not glyph1.nodeTypes:
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continue
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m0idx = grand_parent(m1idx, glyph_name)
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if m0idx is None:
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continue
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glyph0 = allGlyphs[m0idx]
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if glyph0 is None or not glyph0.nodeTypes:
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continue
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#
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# Basic compatibility checks
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#
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m1 = glyph0.nodeTypes
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m0 = glyph1.nodeTypes
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if len(m0) != len(m1):
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yield (
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glyph_name,
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{
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"type": InterpolatableProblem.PATH_COUNT,
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"master_1": names[m0idx],
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"master_2": names[m1idx],
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"master_1_idx": m0idx,
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"master_2_idx": m1idx,
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"value_1": len(m0),
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"value_2": len(m1),
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},
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)
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continue
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if m0 != m1:
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for pathIx, (nodes1, nodes2) in enumerate(zip(m0, m1)):
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if nodes1 == nodes2:
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continue
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if len(nodes1) != len(nodes2):
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yield (
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glyph_name,
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{
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"type": InterpolatableProblem.NODE_COUNT,
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"path": pathIx,
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"master_1": names[m0idx],
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"master_2": names[m1idx],
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"master_1_idx": m0idx,
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"master_2_idx": m1idx,
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"value_1": len(nodes1),
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"value_2": len(nodes2),
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},
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)
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continue
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for nodeIx, (n1, n2) in enumerate(zip(nodes1, nodes2)):
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if n1 != n2:
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yield (
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glyph_name,
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{
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"type": InterpolatableProblem.NODE_INCOMPATIBILITY,
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"path": pathIx,
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"node": nodeIx,
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"master_1": names[m0idx],
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"master_2": names[m1idx],
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"master_1_idx": m0idx,
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"master_2_idx": m1idx,
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"value_1": n1,
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"value_2": n2,
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},
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)
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continue
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#
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# InterpolatableProblem.CONTOUR_ORDER check
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#
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this_tolerance, matching = test_contour_order(glyph0, glyph1)
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if this_tolerance < tolerance:
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yield (
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glyph_name,
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{
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"type": InterpolatableProblem.CONTOUR_ORDER,
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"master_1": names[m0idx],
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"master_2": names[m1idx],
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"master_1_idx": m0idx,
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"master_2_idx": m1idx,
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"value_1": list(range(len(matching))),
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"value_2": matching,
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"tolerance": this_tolerance,
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},
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)
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matchings[m1idx] = matching
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#
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# wrong-start-point / weight check
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#
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m0Isomorphisms = glyph0.isomorphisms
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m1Isomorphisms = glyph1.isomorphisms
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m0Vectors = glyph0.greenVectors
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m1Vectors = glyph1.greenVectors
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recording0 = glyph0.recordings
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recording1 = glyph1.recordings
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# If contour-order is wrong, adjust it
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matching = matchings[m1idx]
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if (
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matching is not None and m1Isomorphisms
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): # m1 is empty for composite glyphs
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m1Isomorphisms = [m1Isomorphisms[i] for i in matching]
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m1Vectors = [m1Vectors[i] for i in matching]
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recording1 = [recording1[i] for i in matching]
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midRecording = []
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for c0, c1 in zip(recording0, recording1):
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try:
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r = RecordingPen()
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||
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r.value = list(lerpRecordings(c0.value, c1.value))
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midRecording.append(r)
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except ValueError:
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# Mismatch because of the reordering above
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||
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midRecording.append(None)
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|
|
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||
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for ix, (contour0, contour1) in enumerate(
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zip(m0Isomorphisms, m1Isomorphisms)
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):
|
||
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if (
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||
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contour0 is None
|
||
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or contour1 is None
|
||
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or len(contour0) == 0
|
||
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or len(contour0) != len(contour1)
|
||
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):
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||
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# We already reported this; or nothing to do; or not compatible
|
||
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# after reordering above.
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||
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continue
|
||
|
|
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||
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this_tolerance, proposed_point, reverse = test_starting_point(
|
||
|
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glyph0, glyph1, ix, tolerance, matching
|
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)
|
||
|
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||
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if this_tolerance < tolerance:
|
||
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yield (
|
||
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glyph_name,
|
||
|
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{
|
||
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"type": InterpolatableProblem.WRONG_START_POINT,
|
||
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"contour": ix,
|
||
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"master_1": names[m0idx],
|
||
|
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"master_2": names[m1idx],
|
||
|
|
"master_1_idx": m0idx,
|
||
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"master_2_idx": m1idx,
|
||
|
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"value_1": 0,
|
||
|
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"value_2": proposed_point,
|
||
|
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"reversed": reverse,
|
||
|
|
"tolerance": this_tolerance,
|
||
|
|
},
|
||
|
|
)
|
||
|
|
|
||
|
|
# Weight check.
|
||
|
|
#
|
||
|
|
# If contour could be mid-interpolated, and the two
|
||
|
|
# contours have the same area sign, proceeed.
|
||
|
|
#
|
||
|
|
# The sign difference can happen if it's a weirdo
|
||
|
|
# self-intersecting contour; ignore it.
|
||
|
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contour = midRecording[ix]
|
||
|
|
|
||
|
|
if contour and (m0Vectors[ix][0] < 0) == (m1Vectors[ix][0] < 0):
|
||
|
|
midStats = StatisticsPen(glyphset=None)
|
||
|
|
contour.replay(midStats)
|
||
|
|
|
||
|
|
midVector = contour_vector_from_stats(midStats)
|
||
|
|
|
||
|
|
m0Vec = m0Vectors[ix]
|
||
|
|
m1Vec = m1Vectors[ix]
|
||
|
|
size0 = m0Vec[0] * m0Vec[0]
|
||
|
|
size1 = m1Vec[0] * m1Vec[0]
|
||
|
|
midSize = midVector[0] * midVector[0]
|
||
|
|
|
||
|
|
for overweight, problem_type in enumerate(
|
||
|
|
(
|
||
|
|
InterpolatableProblem.UNDERWEIGHT,
|
||
|
|
InterpolatableProblem.OVERWEIGHT,
|
||
|
|
)
|
||
|
|
):
|
||
|
|
if overweight:
|
||
|
|
expectedSize = max(size0, size1)
|
||
|
|
continue
|
||
|
|
else:
|
||
|
|
expectedSize = sqrt(size0 * size1)
|
||
|
|
|
||
|
|
log.debug(
|
||
|
|
"%s: actual size %g; threshold size %g, master sizes: %g, %g",
|
||
|
|
problem_type,
|
||
|
|
midSize,
|
||
|
|
expectedSize,
|
||
|
|
size0,
|
||
|
|
size1,
|
||
|
|
)
|
||
|
|
|
||
|
|
if (
|
||
|
|
not overweight and expectedSize * tolerance > midSize + 1e-5
|
||
|
|
) or (overweight and 1e-5 + expectedSize / tolerance < midSize):
|
||
|
|
try:
|
||
|
|
if overweight:
|
||
|
|
this_tolerance = expectedSize / midSize
|
||
|
|
else:
|
||
|
|
this_tolerance = midSize / expectedSize
|
||
|
|
except ZeroDivisionError:
|
||
|
|
this_tolerance = 0
|
||
|
|
log.debug("tolerance %g", this_tolerance)
|
||
|
|
yield (
|
||
|
|
glyph_name,
|
||
|
|
{
|
||
|
|
"type": problem_type,
|
||
|
|
"contour": ix,
|
||
|
|
"master_1": names[m0idx],
|
||
|
|
"master_2": names[m1idx],
|
||
|
|
"master_1_idx": m0idx,
|
||
|
|
"master_2_idx": m1idx,
|
||
|
|
"tolerance": this_tolerance,
|
||
|
|
},
|
||
|
|
)
|
||
|
|
|
||
|
|
#
|
||
|
|
# "kink" detector
|
||
|
|
#
|
||
|
|
m0 = glyph0.points
|
||
|
|
m1 = glyph1.points
|
||
|
|
|
||
|
|
# If contour-order is wrong, adjust it
|
||
|
|
if matchings[m1idx] is not None and m1: # m1 is empty for composite glyphs
|
||
|
|
m1 = [m1[i] for i in matchings[m1idx]]
|
||
|
|
|
||
|
|
t = 0.1 # ~sin(radian(6)) for tolerance 0.95
|
||
|
|
deviation_threshold = (
|
||
|
|
upem * DEFAULT_KINKINESS_LENGTH * DEFAULT_KINKINESS / kinkiness
|
||
|
|
)
|
||
|
|
|
||
|
|
for ix, (contour0, contour1) in enumerate(zip(m0, m1)):
|
||
|
|
if (
|
||
|
|
contour0 is None
|
||
|
|
or contour1 is None
|
||
|
|
or len(contour0) == 0
|
||
|
|
or len(contour0) != len(contour1)
|
||
|
|
):
|
||
|
|
# We already reported this; or nothing to do; or not compatible
|
||
|
|
# after reordering above.
|
||
|
|
continue
|
||
|
|
|
||
|
|
# Walk the contour, keeping track of three consecutive points, with
|
||
|
|
# middle one being an on-curve. If the three are co-linear then
|
||
|
|
# check for kinky-ness.
|
||
|
|
for i in range(len(contour0)):
|
||
|
|
pt0 = contour0[i]
|
||
|
|
pt1 = contour1[i]
|
||
|
|
if not pt0[1] or not pt1[1]:
|
||
|
|
# Skip off-curves
|
||
|
|
continue
|
||
|
|
pt0_prev = contour0[i - 1]
|
||
|
|
pt1_prev = contour1[i - 1]
|
||
|
|
pt0_next = contour0[(i + 1) % len(contour0)]
|
||
|
|
pt1_next = contour1[(i + 1) % len(contour1)]
|
||
|
|
|
||
|
|
if pt0_prev[1] and pt1_prev[1]:
|
||
|
|
# At least one off-curve is required
|
||
|
|
continue
|
||
|
|
if pt0_prev[1] and pt1_prev[1]:
|
||
|
|
# At least one off-curve is required
|
||
|
|
continue
|
||
|
|
|
||
|
|
pt0 = complex(*pt0[0])
|
||
|
|
pt1 = complex(*pt1[0])
|
||
|
|
pt0_prev = complex(*pt0_prev[0])
|
||
|
|
pt1_prev = complex(*pt1_prev[0])
|
||
|
|
pt0_next = complex(*pt0_next[0])
|
||
|
|
pt1_next = complex(*pt1_next[0])
|
||
|
|
|
||
|
|
# We have three consecutive points. Check whether
|
||
|
|
# they are colinear.
|
||
|
|
d0_prev = pt0 - pt0_prev
|
||
|
|
d0_next = pt0_next - pt0
|
||
|
|
d1_prev = pt1 - pt1_prev
|
||
|
|
d1_next = pt1_next - pt1
|
||
|
|
|
||
|
|
sin0 = d0_prev.real * d0_next.imag - d0_prev.imag * d0_next.real
|
||
|
|
sin1 = d1_prev.real * d1_next.imag - d1_prev.imag * d1_next.real
|
||
|
|
try:
|
||
|
|
sin0 /= abs(d0_prev) * abs(d0_next)
|
||
|
|
sin1 /= abs(d1_prev) * abs(d1_next)
|
||
|
|
except ZeroDivisionError:
|
||
|
|
continue
|
||
|
|
|
||
|
|
if abs(sin0) > t or abs(sin1) > t:
|
||
|
|
# Not colinear / not smooth.
|
||
|
|
continue
|
||
|
|
|
||
|
|
# Check the mid-point is actually, well, in the middle.
|
||
|
|
dot0 = d0_prev.real * d0_next.real + d0_prev.imag * d0_next.imag
|
||
|
|
dot1 = d1_prev.real * d1_next.real + d1_prev.imag * d1_next.imag
|
||
|
|
if dot0 < 0 or dot1 < 0:
|
||
|
|
# Sharp corner.
|
||
|
|
continue
|
||
|
|
|
||
|
|
# Fine, if handle ratios are similar...
|
||
|
|
r0 = abs(d0_prev) / (abs(d0_prev) + abs(d0_next))
|
||
|
|
r1 = abs(d1_prev) / (abs(d1_prev) + abs(d1_next))
|
||
|
|
r_diff = abs(r0 - r1)
|
||
|
|
if abs(r_diff) < t:
|
||
|
|
# Smooth enough.
|
||
|
|
continue
|
||
|
|
|
||
|
|
mid = (pt0 + pt1) / 2
|
||
|
|
mid_prev = (pt0_prev + pt1_prev) / 2
|
||
|
|
mid_next = (pt0_next + pt1_next) / 2
|
||
|
|
|
||
|
|
mid_d0 = mid - mid_prev
|
||
|
|
mid_d1 = mid_next - mid
|
||
|
|
|
||
|
|
sin_mid = mid_d0.real * mid_d1.imag - mid_d0.imag * mid_d1.real
|
||
|
|
try:
|
||
|
|
sin_mid /= abs(mid_d0) * abs(mid_d1)
|
||
|
|
except ZeroDivisionError:
|
||
|
|
continue
|
||
|
|
|
||
|
|
# ...or if the angles are similar.
|
||
|
|
if abs(sin_mid) * (tolerance * kinkiness) <= t:
|
||
|
|
# Smooth enough.
|
||
|
|
continue
|
||
|
|
|
||
|
|
# How visible is the kink?
|
||
|
|
|
||
|
|
cross = sin_mid * abs(mid_d0) * abs(mid_d1)
|
||
|
|
arc_len = abs(mid_d0 + mid_d1)
|
||
|
|
deviation = abs(cross / arc_len)
|
||
|
|
if deviation < deviation_threshold:
|
||
|
|
continue
|
||
|
|
deviation_ratio = deviation / arc_len
|
||
|
|
if deviation_ratio > t:
|
||
|
|
continue
|
||
|
|
|
||
|
|
this_tolerance = t / (abs(sin_mid) * kinkiness)
|
||
|
|
|
||
|
|
log.debug(
|
||
|
|
"kink: deviation %g; deviation_ratio %g; sin_mid %g; r_diff %g",
|
||
|
|
deviation,
|
||
|
|
deviation_ratio,
|
||
|
|
sin_mid,
|
||
|
|
r_diff,
|
||
|
|
)
|
||
|
|
log.debug("tolerance %g", this_tolerance)
|
||
|
|
yield (
|
||
|
|
glyph_name,
|
||
|
|
{
|
||
|
|
"type": InterpolatableProblem.KINK,
|
||
|
|
"contour": ix,
|
||
|
|
"master_1": names[m0idx],
|
||
|
|
"master_2": names[m1idx],
|
||
|
|
"master_1_idx": m0idx,
|
||
|
|
"master_2_idx": m1idx,
|
||
|
|
"value": i,
|
||
|
|
"tolerance": this_tolerance,
|
||
|
|
},
|
||
|
|
)
|
||
|
|
|
||
|
|
#
|
||
|
|
# --show-all
|
||
|
|
#
|
||
|
|
|
||
|
|
if show_all:
|
||
|
|
yield (
|
||
|
|
glyph_name,
|
||
|
|
{
|
||
|
|
"type": InterpolatableProblem.NOTHING,
|
||
|
|
"master_1": names[m0idx],
|
||
|
|
"master_2": names[m1idx],
|
||
|
|
"master_1_idx": m0idx,
|
||
|
|
"master_2_idx": m1idx,
|
||
|
|
},
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
@wraps(test_gen)
|
||
|
|
def test(*args, **kwargs):
|
||
|
|
problems = defaultdict(list)
|
||
|
|
for glyphname, problem in test_gen(*args, **kwargs):
|
||
|
|
problems[glyphname].append(problem)
|
||
|
|
return problems
|
||
|
|
|
||
|
|
|
||
|
|
def recursivelyAddGlyph(glyphname, glyphset, ttGlyphSet, glyf):
|
||
|
|
if glyphname in glyphset:
|
||
|
|
return
|
||
|
|
glyphset[glyphname] = ttGlyphSet[glyphname]
|
||
|
|
|
||
|
|
for component in getattr(glyf[glyphname], "components", []):
|
||
|
|
recursivelyAddGlyph(component.glyphName, glyphset, ttGlyphSet, glyf)
|
||
|
|
|
||
|
|
|
||
|
|
def ensure_parent_dir(path):
|
||
|
|
dirname = os.path.dirname(path)
|
||
|
|
if dirname:
|
||
|
|
os.makedirs(dirname, exist_ok=True)
|
||
|
|
return path
|
||
|
|
|
||
|
|
|
||
|
|
def main(args=None):
|
||
|
|
"""Test for interpolatability issues between fonts"""
|
||
|
|
import argparse
|
||
|
|
import sys
|
||
|
|
|
||
|
|
parser = argparse.ArgumentParser(
|
||
|
|
"fonttools varLib.interpolatable",
|
||
|
|
description=main.__doc__,
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--glyphs",
|
||
|
|
action="store",
|
||
|
|
help="Space-separate name of glyphs to check",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--show-all",
|
||
|
|
action="store_true",
|
||
|
|
help="Show all glyph pairs, even if no problems are found",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--tolerance",
|
||
|
|
action="store",
|
||
|
|
type=float,
|
||
|
|
help="Error tolerance. Between 0 and 1. Default %s" % DEFAULT_TOLERANCE,
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--kinkiness",
|
||
|
|
action="store",
|
||
|
|
type=float,
|
||
|
|
help="How aggressively report kinks. Default %s" % DEFAULT_KINKINESS,
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--json",
|
||
|
|
action="store_true",
|
||
|
|
help="Output report in JSON format",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--pdf",
|
||
|
|
action="store",
|
||
|
|
help="Output report in PDF format",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--ps",
|
||
|
|
action="store",
|
||
|
|
help="Output report in PostScript format",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--html",
|
||
|
|
action="store",
|
||
|
|
help="Output report in HTML format",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--quiet",
|
||
|
|
action="store_true",
|
||
|
|
help="Only exit with code 1 or 0, no output",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--output",
|
||
|
|
action="store",
|
||
|
|
help="Output file for the problem report; Default: stdout",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--ignore-missing",
|
||
|
|
action="store_true",
|
||
|
|
help="Will not report glyphs missing from sparse masters as errors",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"inputs",
|
||
|
|
metavar="FILE",
|
||
|
|
type=str,
|
||
|
|
nargs="+",
|
||
|
|
help="Input a single variable font / DesignSpace / Glyphs file, or multiple TTF/UFO files",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--name",
|
||
|
|
metavar="NAME",
|
||
|
|
type=str,
|
||
|
|
action="append",
|
||
|
|
help="Name of the master to use in the report. If not provided, all are used.",
|
||
|
|
)
|
||
|
|
parser.add_argument("-v", "--verbose", action="store_true", help="Run verbosely.")
|
||
|
|
parser.add_argument("--debug", action="store_true", help="Run with debug output.")
|
||
|
|
|
||
|
|
args = parser.parse_args(args)
|
||
|
|
|
||
|
|
from fontTools import configLogger
|
||
|
|
|
||
|
|
configLogger(level=("INFO" if args.verbose else "ERROR"))
|
||
|
|
if args.debug:
|
||
|
|
configLogger(level="DEBUG")
|
||
|
|
|
||
|
|
glyphs = args.glyphs.split() if args.glyphs else None
|
||
|
|
|
||
|
|
from os.path import basename
|
||
|
|
|
||
|
|
fonts = []
|
||
|
|
names = []
|
||
|
|
locations = []
|
||
|
|
upem = DEFAULT_UPEM
|
||
|
|
|
||
|
|
original_args_inputs = tuple(args.inputs)
|
||
|
|
|
||
|
|
if len(args.inputs) == 1:
|
||
|
|
designspace = None
|
||
|
|
if args.inputs[0].endswith(".designspace"):
|
||
|
|
from fontTools.designspaceLib import DesignSpaceDocument
|
||
|
|
|
||
|
|
designspace = DesignSpaceDocument.fromfile(args.inputs[0])
|
||
|
|
args.inputs = [master.path for master in designspace.sources]
|
||
|
|
locations = [master.location for master in designspace.sources]
|
||
|
|
axis_triples = {
|
||
|
|
a.name: (a.minimum, a.default, a.maximum) for a in designspace.axes
|
||
|
|
}
|
||
|
|
axis_mappings = {a.name: a.map for a in designspace.axes}
|
||
|
|
axis_triples = {
|
||
|
|
k: tuple(piecewiseLinearMap(v, dict(axis_mappings[k])) for v in vv)
|
||
|
|
for k, vv in axis_triples.items()
|
||
|
|
}
|
||
|
|
|
||
|
|
elif args.inputs[0].endswith((".glyphs", ".glyphspackage")):
|
||
|
|
from glyphsLib import GSFont, to_designspace
|
||
|
|
|
||
|
|
gsfont = GSFont(args.inputs[0])
|
||
|
|
upem = gsfont.upm
|
||
|
|
designspace = to_designspace(gsfont)
|
||
|
|
fonts = [source.font for source in designspace.sources]
|
||
|
|
names = ["%s-%s" % (f.info.familyName, f.info.styleName) for f in fonts]
|
||
|
|
args.inputs = []
|
||
|
|
locations = [master.location for master in designspace.sources]
|
||
|
|
axis_triples = {
|
||
|
|
a.name: (a.minimum, a.default, a.maximum) for a in designspace.axes
|
||
|
|
}
|
||
|
|
axis_mappings = {a.name: a.map for a in designspace.axes}
|
||
|
|
axis_triples = {
|
||
|
|
k: tuple(piecewiseLinearMap(v, dict(axis_mappings[k])) for v in vv)
|
||
|
|
for k, vv in axis_triples.items()
|
||
|
|
}
|
||
|
|
|
||
|
|
elif args.inputs[0].endswith(".ttf"):
|
||
|
|
from fontTools.ttLib import TTFont
|
||
|
|
|
||
|
|
font = TTFont(args.inputs[0])
|
||
|
|
upem = font["head"].unitsPerEm
|
||
|
|
if "gvar" in font:
|
||
|
|
# Is variable font
|
||
|
|
|
||
|
|
axisMapping = {}
|
||
|
|
fvar = font["fvar"]
|
||
|
|
for axis in fvar.axes:
|
||
|
|
axisMapping[axis.axisTag] = {
|
||
|
|
-1: axis.minValue,
|
||
|
|
0: axis.defaultValue,
|
||
|
|
1: axis.maxValue,
|
||
|
|
}
|
||
|
|
if "avar" in font:
|
||
|
|
avar = font["avar"]
|
||
|
|
for axisTag, segments in avar.segments.items():
|
||
|
|
fvarMapping = axisMapping[axisTag].copy()
|
||
|
|
for location, value in segments.items():
|
||
|
|
axisMapping[axisTag][value] = piecewiseLinearMap(
|
||
|
|
location, fvarMapping
|
||
|
|
)
|
||
|
|
|
||
|
|
gvar = font["gvar"]
|
||
|
|
glyf = font["glyf"]
|
||
|
|
# Gather all glyphs at their "master" locations
|
||
|
|
ttGlyphSets = {}
|
||
|
|
glyphsets = defaultdict(dict)
|
||
|
|
|
||
|
|
if glyphs is None:
|
||
|
|
glyphs = sorted(gvar.variations.keys())
|
||
|
|
for glyphname in glyphs:
|
||
|
|
for var in gvar.variations[glyphname]:
|
||
|
|
locDict = {}
|
||
|
|
loc = []
|
||
|
|
for tag, val in sorted(var.axes.items()):
|
||
|
|
locDict[tag] = val[1]
|
||
|
|
loc.append((tag, val[1]))
|
||
|
|
|
||
|
|
locTuple = tuple(loc)
|
||
|
|
if locTuple not in ttGlyphSets:
|
||
|
|
ttGlyphSets[locTuple] = font.getGlyphSet(
|
||
|
|
location=locDict, normalized=True, recalcBounds=False
|
||
|
|
)
|
||
|
|
|
||
|
|
recursivelyAddGlyph(
|
||
|
|
glyphname, glyphsets[locTuple], ttGlyphSets[locTuple], glyf
|
||
|
|
)
|
||
|
|
|
||
|
|
names = ["''"]
|
||
|
|
fonts = [font.getGlyphSet()]
|
||
|
|
locations = [{}]
|
||
|
|
axis_triples = {a: (-1, 0, +1) for a in sorted(axisMapping.keys())}
|
||
|
|
for locTuple in sorted(glyphsets.keys(), key=lambda v: (len(v), v)):
|
||
|
|
name = (
|
||
|
|
"'"
|
||
|
|
+ " ".join(
|
||
|
|
"%s=%s"
|
||
|
|
% (
|
||
|
|
k,
|
||
|
|
floatToFixedToStr(
|
||
|
|
piecewiseLinearMap(v, axisMapping[k]), 14
|
||
|
|
),
|
||
|
|
)
|
||
|
|
for k, v in locTuple
|
||
|
|
)
|
||
|
|
+ "'"
|
||
|
|
)
|
||
|
|
names.append(name)
|
||
|
|
fonts.append(glyphsets[locTuple])
|
||
|
|
locations.append(dict(locTuple))
|
||
|
|
args.ignore_missing = True
|
||
|
|
args.inputs = []
|
||
|
|
|
||
|
|
if not locations:
|
||
|
|
locations = [{} for _ in fonts]
|
||
|
|
|
||
|
|
for filename in args.inputs:
|
||
|
|
if filename.endswith(".ufo"):
|
||
|
|
from fontTools.ufoLib import UFOReader
|
||
|
|
|
||
|
|
font = UFOReader(filename)
|
||
|
|
info = SimpleNamespace()
|
||
|
|
font.readInfo(info)
|
||
|
|
upem = info.unitsPerEm
|
||
|
|
fonts.append(font)
|
||
|
|
else:
|
||
|
|
from fontTools.ttLib import TTFont
|
||
|
|
|
||
|
|
font = TTFont(filename)
|
||
|
|
upem = font["head"].unitsPerEm
|
||
|
|
fonts.append(font)
|
||
|
|
|
||
|
|
names.append(basename(filename).rsplit(".", 1)[0])
|
||
|
|
|
||
|
|
glyphsets = []
|
||
|
|
for font in fonts:
|
||
|
|
if hasattr(font, "getGlyphSet"):
|
||
|
|
glyphset = font.getGlyphSet()
|
||
|
|
else:
|
||
|
|
glyphset = font
|
||
|
|
glyphsets.append({k: glyphset[k] for k in glyphset.keys()})
|
||
|
|
|
||
|
|
if args.name:
|
||
|
|
accepted_names = set(args.name)
|
||
|
|
glyphsets = [
|
||
|
|
glyphset
|
||
|
|
for name, glyphset in zip(names, glyphsets)
|
||
|
|
if name in accepted_names
|
||
|
|
]
|
||
|
|
locations = [
|
||
|
|
location
|
||
|
|
for name, location in zip(names, locations)
|
||
|
|
if name in accepted_names
|
||
|
|
]
|
||
|
|
names = [name for name in names if name in accepted_names]
|
||
|
|
|
||
|
|
if not glyphs:
|
||
|
|
glyphs = sorted(set([gn for glyphset in glyphsets for gn in glyphset.keys()]))
|
||
|
|
|
||
|
|
glyphsSet = set(glyphs)
|
||
|
|
for glyphset in glyphsets:
|
||
|
|
glyphSetGlyphNames = set(glyphset.keys())
|
||
|
|
diff = glyphsSet - glyphSetGlyphNames
|
||
|
|
if diff:
|
||
|
|
for gn in diff:
|
||
|
|
glyphset[gn] = None
|
||
|
|
|
||
|
|
# Normalize locations
|
||
|
|
locations = [normalizeLocation(loc, axis_triples) for loc in locations]
|
||
|
|
tolerance = args.tolerance or DEFAULT_TOLERANCE
|
||
|
|
kinkiness = args.kinkiness if args.kinkiness is not None else DEFAULT_KINKINESS
|
||
|
|
|
||
|
|
try:
|
||
|
|
log.info("Running on %d glyphsets", len(glyphsets))
|
||
|
|
log.info("Locations: %s", pformat(locations))
|
||
|
|
problems_gen = test_gen(
|
||
|
|
glyphsets,
|
||
|
|
glyphs=glyphs,
|
||
|
|
names=names,
|
||
|
|
locations=locations,
|
||
|
|
upem=upem,
|
||
|
|
ignore_missing=args.ignore_missing,
|
||
|
|
tolerance=tolerance,
|
||
|
|
kinkiness=kinkiness,
|
||
|
|
show_all=args.show_all,
|
||
|
|
)
|
||
|
|
problems = defaultdict(list)
|
||
|
|
|
||
|
|
f = (
|
||
|
|
sys.stdout
|
||
|
|
if args.output is None
|
||
|
|
else open(ensure_parent_dir(args.output), "w")
|
||
|
|
)
|
||
|
|
|
||
|
|
if not args.quiet:
|
||
|
|
if args.json:
|
||
|
|
import json
|
||
|
|
|
||
|
|
for glyphname, problem in problems_gen:
|
||
|
|
problems[glyphname].append(problem)
|
||
|
|
|
||
|
|
print(json.dumps(problems), file=f)
|
||
|
|
else:
|
||
|
|
last_glyphname = None
|
||
|
|
for glyphname, p in problems_gen:
|
||
|
|
problems[glyphname].append(p)
|
||
|
|
|
||
|
|
if glyphname != last_glyphname:
|
||
|
|
print(f"Glyph {glyphname} was not compatible:", file=f)
|
||
|
|
last_glyphname = glyphname
|
||
|
|
last_master_idxs = None
|
||
|
|
|
||
|
|
master_idxs = (
|
||
|
|
(p["master_idx"])
|
||
|
|
if "master_idx" in p
|
||
|
|
else (p["master_1_idx"], p["master_2_idx"])
|
||
|
|
)
|
||
|
|
if master_idxs != last_master_idxs:
|
||
|
|
master_names = (
|
||
|
|
(p["master"])
|
||
|
|
if "master" in p
|
||
|
|
else (p["master_1"], p["master_2"])
|
||
|
|
)
|
||
|
|
print(f" Masters: %s:" % ", ".join(master_names), file=f)
|
||
|
|
last_master_idxs = master_idxs
|
||
|
|
|
||
|
|
if p["type"] == InterpolatableProblem.MISSING:
|
||
|
|
print(
|
||
|
|
" Glyph was missing in master %s" % p["master"], file=f
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.OPEN_PATH:
|
||
|
|
print(
|
||
|
|
" Glyph has an open path in master %s" % p["master"],
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.PATH_COUNT:
|
||
|
|
print(
|
||
|
|
" Path count differs: %i in %s, %i in %s"
|
||
|
|
% (
|
||
|
|
p["value_1"],
|
||
|
|
p["master_1"],
|
||
|
|
p["value_2"],
|
||
|
|
p["master_2"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.NODE_COUNT:
|
||
|
|
print(
|
||
|
|
" Node count differs in path %i: %i in %s, %i in %s"
|
||
|
|
% (
|
||
|
|
p["path"],
|
||
|
|
p["value_1"],
|
||
|
|
p["master_1"],
|
||
|
|
p["value_2"],
|
||
|
|
p["master_2"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.NODE_INCOMPATIBILITY:
|
||
|
|
print(
|
||
|
|
" Node %o incompatible in path %i: %s in %s, %s in %s"
|
||
|
|
% (
|
||
|
|
p["node"],
|
||
|
|
p["path"],
|
||
|
|
p["value_1"],
|
||
|
|
p["master_1"],
|
||
|
|
p["value_2"],
|
||
|
|
p["master_2"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.CONTOUR_ORDER:
|
||
|
|
print(
|
||
|
|
" Contour order differs: %s in %s, %s in %s"
|
||
|
|
% (
|
||
|
|
p["value_1"],
|
||
|
|
p["master_1"],
|
||
|
|
p["value_2"],
|
||
|
|
p["master_2"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.WRONG_START_POINT:
|
||
|
|
print(
|
||
|
|
" Contour %d start point differs: %s in %s, %s in %s; reversed: %s"
|
||
|
|
% (
|
||
|
|
p["contour"],
|
||
|
|
p["value_1"],
|
||
|
|
p["master_1"],
|
||
|
|
p["value_2"],
|
||
|
|
p["master_2"],
|
||
|
|
p["reversed"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.UNDERWEIGHT:
|
||
|
|
print(
|
||
|
|
" Contour %d interpolation is underweight: %s, %s"
|
||
|
|
% (
|
||
|
|
p["contour"],
|
||
|
|
p["master_1"],
|
||
|
|
p["master_2"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.OVERWEIGHT:
|
||
|
|
print(
|
||
|
|
" Contour %d interpolation is overweight: %s, %s"
|
||
|
|
% (
|
||
|
|
p["contour"],
|
||
|
|
p["master_1"],
|
||
|
|
p["master_2"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.KINK:
|
||
|
|
print(
|
||
|
|
" Contour %d has a kink at %s: %s, %s"
|
||
|
|
% (
|
||
|
|
p["contour"],
|
||
|
|
p["value"],
|
||
|
|
p["master_1"],
|
||
|
|
p["master_2"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
elif p["type"] == InterpolatableProblem.NOTHING:
|
||
|
|
print(
|
||
|
|
" Showing %s and %s"
|
||
|
|
% (
|
||
|
|
p["master_1"],
|
||
|
|
p["master_2"],
|
||
|
|
),
|
||
|
|
file=f,
|
||
|
|
)
|
||
|
|
else:
|
||
|
|
for glyphname, problem in problems_gen:
|
||
|
|
problems[glyphname].append(problem)
|
||
|
|
|
||
|
|
problems = sort_problems(problems)
|
||
|
|
|
||
|
|
for p in "ps", "pdf":
|
||
|
|
arg = getattr(args, p)
|
||
|
|
if arg is None:
|
||
|
|
continue
|
||
|
|
log.info("Writing %s to %s", p.upper(), arg)
|
||
|
|
from .interpolatablePlot import InterpolatablePS, InterpolatablePDF
|
||
|
|
|
||
|
|
PlotterClass = InterpolatablePS if p == "ps" else InterpolatablePDF
|
||
|
|
|
||
|
|
with PlotterClass(
|
||
|
|
ensure_parent_dir(arg), glyphsets=glyphsets, names=names
|
||
|
|
) as doc:
|
||
|
|
doc.add_title_page(
|
||
|
|
original_args_inputs, tolerance=tolerance, kinkiness=kinkiness
|
||
|
|
)
|
||
|
|
if problems:
|
||
|
|
doc.add_summary(problems)
|
||
|
|
doc.add_problems(problems)
|
||
|
|
if not problems and not args.quiet:
|
||
|
|
doc.draw_cupcake()
|
||
|
|
if problems:
|
||
|
|
doc.add_index()
|
||
|
|
doc.add_table_of_contents()
|
||
|
|
|
||
|
|
if args.html:
|
||
|
|
log.info("Writing HTML to %s", args.html)
|
||
|
|
from .interpolatablePlot import InterpolatableSVG
|
||
|
|
|
||
|
|
svgs = []
|
||
|
|
glyph_starts = {}
|
||
|
|
with InterpolatableSVG(svgs, glyphsets=glyphsets, names=names) as svg:
|
||
|
|
svg.add_title_page(
|
||
|
|
original_args_inputs,
|
||
|
|
show_tolerance=False,
|
||
|
|
tolerance=tolerance,
|
||
|
|
kinkiness=kinkiness,
|
||
|
|
)
|
||
|
|
for glyph, glyph_problems in problems.items():
|
||
|
|
glyph_starts[len(svgs)] = glyph
|
||
|
|
svg.add_problems(
|
||
|
|
{glyph: glyph_problems},
|
||
|
|
show_tolerance=False,
|
||
|
|
show_page_number=False,
|
||
|
|
)
|
||
|
|
if not problems and not args.quiet:
|
||
|
|
svg.draw_cupcake()
|
||
|
|
|
||
|
|
import base64
|
||
|
|
|
||
|
|
with open(ensure_parent_dir(args.html), "wb") as f:
|
||
|
|
f.write(b"<!DOCTYPE html>\n")
|
||
|
|
f.write(
|
||
|
|
b'<html><body align="center" style="font-family: sans-serif; text-color: #222">\n'
|
||
|
|
)
|
||
|
|
f.write(b"<title>fonttools varLib.interpolatable report</title>\n")
|
||
|
|
for i, svg in enumerate(svgs):
|
||
|
|
if i in glyph_starts:
|
||
|
|
f.write(f"<h1>Glyph {glyph_starts[i]}</h1>\n".encode("utf-8"))
|
||
|
|
f.write("<img src='data:image/svg+xml;base64,".encode("utf-8"))
|
||
|
|
f.write(base64.b64encode(svg))
|
||
|
|
f.write(b"' />\n")
|
||
|
|
f.write(b"<hr>\n")
|
||
|
|
f.write(b"</body></html>\n")
|
||
|
|
|
||
|
|
except Exception as e:
|
||
|
|
e.args += original_args_inputs
|
||
|
|
log.error(e)
|
||
|
|
raise
|
||
|
|
|
||
|
|
if problems:
|
||
|
|
return problems
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
import sys
|
||
|
|
|
||
|
|
problems = main()
|
||
|
|
sys.exit(int(bool(problems)))
|