
    h                        S SK Jr  S SKJr  S SKJrJrJrJr  \	\
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4   r   S             SS jjr\S:X  a  S SKr\R                  " 5         gg)	    )annotations)Optional)KerningPairKerningDictKerningGroupsIntFloatNc                |   X;   a  X   $ USL USL :w  a  [        S5      eUcg  0 n0 nUR                  5        HO  u  pgUR                  S5      (       a  U H  nXdU'   M	     M*  UR                  S5      (       d  MB  U H  nXeU'   M	     MQ     Uc   eUc   eU u  pS=pU	R                  S5      (       a  U	nSnOUR                  U	5      nU	nU
R                  S5      (       a  U
nSnOUR                  U
5      nU
nX4 VVs/ s H  nX4  H  nUc  M  Uc  M  UU4PM     M     nnnU H  n X;   d  M
  X   s  $    U$ s  snnf )a  Retrieve the kerning value (if any) between a pair of elements.

The elments can be either individual glyphs (by name) or kerning
groups (by name), or any combination of the two.

Args:
  pair:
      A tuple, in logical order (first, second) with respect
      to the reading direction, to query the font for kerning
      information on. Each element in the tuple can be either
      a glyph name or a kerning group name.
  kerning:
      A dictionary of kerning pairs.
  groups:
      A set of kerning groups.
  fallback:
      The fallback value to return if no kern is found between
      the elements in ``pair``. Defaults to 0.
  glyphToFirstGroup:
      A dictionary mapping glyph names to the first-glyph kerning
      groups to which they belong. Defaults to ``None``.
  glyphToSecondGroup:
      A dictionary mapping glyph names to the second-glyph kerning
      groups to which they belong. Defaults to ``None``.

Returns:
  The kerning value between the element pair. If no kerning for
  the pair is found, the fallback value is returned.

Note: This function expects the ``kerning`` argument to be a flat
dictionary of kerning pairs, not the nested structure used in a
kerning.plist file.

Examples::

  >>> groups = {
  ...     "public.kern1.O" : ["O", "D", "Q"],
  ...     "public.kern2.E" : ["E", "F"]
  ... }
  >>> kerning = {
  ...     ("public.kern1.O", "public.kern2.E") : -100,
  ...     ("public.kern1.O", "F") : -200,
  ...     ("D", "F") : -300
  ... }
  >>> lookupKerningValue(("D", "F"), kerning, groups)
  -300
  >>> lookupKerningValue(("O", "F"), kerning, groups)
  -200
  >>> lookupKerningValue(("O", "E"), kerning, groups)
  -100
  >>> lookupKerningValue(("O", "O"), kerning, groups)
  0
  >>> lookupKerningValue(("E", "E"), kerning, groups)
  0
  >>> lookupKerningValue(("E", "O"), kerning, groups)
  0
  >>> lookupKerningValue(("X", "X"), kerning, groups)
  0
  >>> lookupKerningValue(("public.kern1.O", "public.kern2.E"),
  ...     kerning, groups)
  -100
  >>> lookupKerningValue(("public.kern1.O", "F"), kerning, groups)
  -200
  >>> lookupKerningValue(("O", "public.kern2.E"), kerning, groups)
  -100
  >>> lookupKerningValue(("public.kern1.X", "public.kern2.X"), kerning, groups)
  0
NzKMust provide both 'glyphToFirstGroup' and 'glyphToSecondGroup', or neither.zpublic.kern1.zpublic.kern2.)
ValueErroritems
startswithget)pairkerninggroupsfallbackglyphToFirstGroupglyphToSecondGroupgroupgroupMembersglyphfirstsecond
firstGroupsecondGroup
firstGlyphsecondGlyphabpairss                     R/var/www/fran/franai/venv/lib/python3.13/site-packages/fontTools/ufoLib/kerning.pylookupKerningValuer!   
   s   Z }T!'9T'ABY
 	
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))(,,V4 ))A+A 	  	A+ 	) 
  ?=   Os   <D8D8D8__main__)r   NN)r   r   r   r   r   r   r   r   r   Optional[StrDict]r   r#   returnr   )
__future__r   typingr   fontTools.annotationsr   r   r   r   dictstrStrDictr!   __name__doctesttestmod     r    <module>r0      s    "  S S
sCx. +/,0}
}} } 	}
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