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Current File : /usr/local/lib/python3.9/dist-packages/matplotlib/__pycache__/_afm.cpython-39.pyc
a

���h4A�@s�dZddlmZddlZddlZddlmZe�e�Z	dd�Z
dd	�Zd
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dd�Zdd�Zdd�Zedd�Zde_dej_dej_dej_dd�Zdd�Zedd�Zd e_d!ej_d"ej_d#ej_d$d%�Zd&d'�ZGd(d)�d)�ZdS)*aL
A python interface to Adobe Font Metrics Files.

Although a number of other Python implementations exist, and may be more
complete than this, it was decided not to go with them because they were
either:

1) copyrighted or used a non-BSD compatible license
2) had too many dependencies and a free standing lib was needed
3) did more than needed and it was easier to write afresh rather than
   figure out how to get just what was needed.

It is pretty easy to use, and has no external dependencies:

>>> import matplotlib as mpl
>>> from pathlib import Path
>>> afm_path = Path(mpl.get_data_path(), 'fonts', 'afm', 'ptmr8a.afm')
>>>
>>> from matplotlib.afm import AFM
>>> with afm_path.open('rb') as fh:
...     afm = AFM(fh)
>>> afm.string_width_height('What the heck?')
(6220.0, 694)
>>> afm.get_fontname()
'Times-Roman'
>>> afm.get_kern_dist('A', 'f')
0
>>> afm.get_kern_dist('A', 'y')
-92.0
>>> afm.get_bbox_char('!')
[130, -9, 238, 676]

As in the Adobe Font Metrics File Format Specification, all dimensions
are given in units of 1/1000 of the scale factor (point size) of the font
being used.
�)�
namedtupleN�)�	uni2type1cCstt|��S�N)�int�float��x�r
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r�_to_boolQsr%c	Cs&tttttttttttdd�tttttttttttd�}i}d}|D]�}|��}|�d�r\qD|�dd�}|d}|r�|d	kr�td
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�yt�d||�YqDYn0|dkrD�q"qDtd��|S)a;
    Read the font metrics header (up to the char metrics) and returns
    a dictionary mapping *key* to *val*.  *val* will be converted to the
    appropriate python type as necessary; e.g.:

        * 'False'->False
        * '0'->0
        * '-168 -218 1000 898'-> [-168, -218, 1000, 898]

    Dictionary keys are

      StartFontMetrics, FontName, FullName, FamilyName, Weight,
      ItalicAngle, IsFixedPitch, FontBBox, UnderlinePosition,
      UnderlineThickness, Version, Notice, EncodingScheme, CapHeight,
      XHeight, Ascender, Descender, StartCharMetrics
    cSs|Srr
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|||	�}
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    Parse the given filehandle for character metrics information and return
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    Returns
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    ascii_d : dict
         A mapping "ASCII num of the character" to `.CharMetrics`.
    name_d : dict
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    >�N�B�WX�CZEndCharMetricscss"|]}|r|���dd�VqdS)� rN)r$r)rrr
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    Return a kern pairs dictionary; keys are (*char1*, *char2*) tuples and
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    Parse the given filehandle for composites information return them as a
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        A dict mapping composite character names to a parts list. The parts
        list is a list of `.CompositePart` entries describing the parts of
        the composite.

    Examples
    --------
    A composite definition line::

      CC Aacute 2 ; PCC A 0 0 ; PCC acute 160 170 ;

    will be represented as::

      composites['Aacute'] = [CompositePart(name='A', dx=0, dy=0),
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    Parse the optional fields for kern pair data and composites.

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        A dict containing kerning information. May be empty.
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        Return the string width (including kerning) and string height
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