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78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
# Copyright 2016 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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class Error(Exception):
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"""Base Cu2Qu exception class for all other errors."""
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class ApproxNotFoundError(Error):
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def __init__(self, curve):
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message = "no approximation found: %s" % curve
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super().__init__(message)
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self.curve = curve
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class UnequalZipLengthsError(Error):
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pass
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class IncompatibleGlyphsError(Error):
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def __init__(self, glyphs):
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assert len(glyphs) > 1
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self.glyphs = glyphs
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names = set(repr(g.name) for g in glyphs)
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if len(names) > 1:
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self.combined_name = "{%s}" % ", ".join(sorted(names))
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else:
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self.combined_name = names.pop()
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def __repr__(self):
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return "<%s %s>" % (type(self).__name__, self.combined_name)
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class IncompatibleSegmentNumberError(IncompatibleGlyphsError):
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def __str__(self):
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return "Glyphs named %s have different number of segments" % (
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self.combined_name
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)
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class IncompatibleSegmentTypesError(IncompatibleGlyphsError):
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def __init__(self, glyphs, segments):
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IncompatibleGlyphsError.__init__(self, glyphs)
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self.segments = segments
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def __str__(self):
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lines = []
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ndigits = len(str(max(self.segments)))
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for i, tags in sorted(self.segments.items()):
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lines.append(
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"%s: (%s)" % (str(i).rjust(ndigits), ", ".join(repr(t) for t in tags))
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)
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return "Glyphs named %s have incompatible segment types:\n %s" % (
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self.combined_name,
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"\n ".join(lines),
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)
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class IncompatibleFontsError(Error):
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def __init__(self, glyph_errors):
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self.glyph_errors = glyph_errors
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def __str__(self):
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return "fonts contains incompatible glyphs: %s" % (
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", ".join(repr(g) for g in sorted(self.glyph_errors.keys()))
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)
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