U
    #vhuY                     @   s  d dl mZ d dlmZmZmZmZmZmZm	Z	m
Z
mZmZ d dlmZ d dlmZmZ d dlmZ d dlmZ d dlmZ d dlmZ d d	lmZ d d
lmZmZ d dlm Z  d dl!m"Z" ddl#m$Z$m%Z%m&Z&m'Z' e$Z(e%Z)dd Z*eddd Z+dd Z,dZ-dd Z.dd Z/dd Z0dd Z1edd Z2d!d" Z3d1d$d%Z4d&d' Z5d(d) Z6G d*d+ d+eZ7G d,d- d-e7Z8G d.d/ d/e Z9d0S )2    )
namedtuple)
maxStackLimitTopDictIndex
buildOrdertopDictOperatorstopDictOperators2privateDictOperatorsprivateDictOperators2FDArrayIndexFontDictVarStoreData)BytesIO)specializeCommandscommandsToProgram)newTable)varLib)allEqual)deprecateFunction)	roundFunc)T2CharStringT2OutlineExtractor)T2CharStringPen)partial   )VarLibCFFDictMergeErrorVarLibCFFPointTypeMergeErrorVarLibCFFHintTypeMergeErrorVarLibMergeErrorc                 C   s   | d }dd |j D }tj||}tj||}| d jjd }t|d|_|j	d j
d kr|j	}	|	D ]}
t|
drj|j|
j_
qjd S )NZfvarc                 S   s   g | ]
}|j qS  )ZaxisTag).0Zaxisr   r   8/tmp/pip-unpacked-wheel-1ufboor8/fontTools/varLib/cff.py
<listcomp>(   s     z"addCFFVarStore.<locals>.<listcomp>CFF2r   )Z
otVarStorePrivate)Zaxesr   builderZbuildVarRegionListZbuildVarStorecfftopDictIndexr   ZVarStoreFDArrayZvstorehasattrr#   )varFontZvarModelvarDataListmasterSupportsZ	fvarTableZaxisKeysZvarTupleListZvarStoreCFFVtopDictZfdArrayZfontDictr   r   r    addCFFVarStore&   s    
r-   z8Use fontTools.cffLib.CFFToCFF2.convertCFFToCFF2 instead.c                 C   s   ddl m} || S )Nr   )convertCFFToCFF2)ZfontTools.cffLib.CFFToCFF2r.   )r)   r.   r   r   r    convertCFFtoCFF25   s    r/   c                 C   s   t | tr|  rt| S | S N)
isinstancefloat
is_integerint)numr   r   r    conv_to_int<   s    r6   )Z
BlueValuesZ
OtherBluesZFamilyBluesZFamilyOtherBluesZ	BlueScaleZ	BlueShiftZBlueFuzzZStdHWZStdVWZ	StemSnapHZ	StemSnapVc                 C   s4   | | }|| }||kr,|| }|| j }nd }|S r0   )r#   )regionFDArraysfd_indexrifd_mapZregion_fdArrayZregion_fd_mapZregion_fdIndexprivater   r   r    get_privateQ   s    r<   c              
      s  | d }| dd }t |d dr2dd |D }ndd |D }t|jD ]b\}}|j}	t|	dd}
||
 \}}g }|jdd D ]}|j|d }|| q|	g}|	}|D ].}t||||}|dkr|}n|}|| qt	|}|	j
 D ]\ }g } tkrqt|tr
z fd	d|D }W n* tk
rZ   td
j d Y qY nX zt| }W n" tk
r   t ||Y nX dg| d}|D ]T}fddt|D }|st|sd}|||}|d |d< || q|s:dd |D }n0 fdd|D }t|s2||}n|d }t|trt|D ]H\}}t|trt|D ]\}}t||| |< qjnt|||< qNnt|}||	j
 < qqJdS )a  
    I step through the FontDicts in the FDArray of the varfont TopDict.
    For each varfont FontDict:

    * step through each key in FontDict.Private.
    * For each key, step through each relevant source font Private dict, and
      build a list of values to blend.

    The 'relevant' source fonts are selected by first getting the right
    submodel using ``vsindex_dict[vsindex]``. The indices of the
    ``subModel.locations`` are mapped to source font list indices by
    assuming the latter order is the same as the order of the
    ``var_model.locations``. I can then get the index of each subModel
    location in the list of ``var_model.locations``.
    r   r   Nr'   c                 S   s   g | ]
}|j qS r   )r'   r   Z	fdTopDictr   r   r    r!   p   s     z&merge_PrivateDicts.<locals>.<listcomp>c                 S   s   g | ]
}|gqS r   r   r=   r   r   r    r!   r   s     vsindexc                    s   g | ]}|j   qS r   rawDictr   pdkeyr   r    r!      s     z\Warning: {key} in default font Private dict is missing from another font, and was discarded.rC   Fc                    s   g | ]\}}| |  qS r   r   )r   ival)prev_val_listr   r    r!      s    Tc                 S   s   g | ]}|d  qS r   r   )r   datar   r   r    r!      s     c                    s   g | ]}|j   qS r   r?   rA   rC   r   r    r!      s     )r(   	enumerater'   r#   getattr	locationsindexappendr<   lenr@   itemspd_blend_fieldsr1   listKeyErrorprintformatzip
IndexErrorr   r   	getDeltasr6   )	top_dictsvsindex_dict	var_modelr:   r,   Zregion_top_dictsr7   r8   Z	font_dictZprivate_dictr>   Z	sub_model_Zmaster_indiceslocrE   ZpdsZlast_pdr9   rB   num_mastersvalueZdataListvaluesZany_points_differval_listrel_listdeltasitemjZjtemr   )rD   rG   r    merge_PrivateDicts\   s    





rf   c                 C   s   d| kr| d S | d S )NzCFF r"   r   )fontr   r   r    _cff_or_cff2   s    rh   c                 C   s"  i }|d }|dd }t |}t|jjd }t|dsTdd t|D |d< |S i }|j}| }	t|D ]$\}
}|||	|
 < ||krni ||< qnt|D ]\}}| }t|jjd }t|ds||d  }d|| |< q|j}t|D ],\}
}|||
  }|| }||kr|||< qq|S )a  Since a subset source font may have fewer FontDicts in their
    FDArray than the default font, we have to match up the FontDicts in
    the different fonts . We do this with the FDSelect array, and by
    assuming that the same glyph will reference  matching FontDicts in
    each source font. We return a mapping from fdIndex in the default
    font to a dictionary which maps each master list index of each
    region font to the equivalent fdIndex in the region font.r   r   NFDSelectc                 S   s   i | ]
}|d qS rH   r   )r   r9   r   r   r    
<dictcomp>   s      zgetfd_map.<locals>.<dictcomp>)	rO   rh   r%   r&   r(   rangeri   ZgetGlyphOrderrJ   )r)   Z
fonts_listr:   Zdefault_fontZregion_fontsZnum_regionsr,   Zgname_mappingZdefault_fdSelect
glyphOrdergidZfdIndexr9   Zregion_fontZregion_glyphOrderZregion_topDictZdefault_fdIndexZregion_fdSelectZ
region_mapr   r   r    	getfd_map   s8    


rn   CVarDataz'varDataList masterSupports vsindex_dictc           	      C   st   | d j jd }|gdd |dd  D  }t|j}t||||}t| |}t||j|| t| ||j	|j
 d S )Nr"   r   c                 S   s   g | ]}t |jjd  qS rH   )rh   r%   r&   )r   ZttFontr   r   r    r!     s    z&merge_region_fonts.<locals>.<listcomp>r   )r%   r&   rO   mappingmerge_charstringsrn   rf   rZ   r-   r*   r+   )	r)   modelZordered_fonts_listrl   r,   rY   r^   cvDatar:   r   r   r    merge_region_fonts  s    



rt   Fc                 C   sv   || krd S | | }|rr|   |jg kr.d S t|jdkrr|jd dkrrt|jdksnt|jd ttfkrrd S |S )N   endcharr   r   )Z	decompileprogramrO   typer4   r2   )Zcharstrings	glyphNameZfilterEmptycsr   r   r    _get_cs  s"    
r|   c           
      C   sv   g }| j dd  D ]&}||kr(|| ||| qtj|d d}t|}	|	||< | |gf||	< || |	S )Nr   F)ZsupportsrN   rM   r   r$   ZbuildVarDatarO   )
rr   rD   r+   rZ   vsindex_by_keyr*   ZvarTupleIndexesZsupportZvar_datar>   r   r   r    _add_new_vsindex#  s    

r~   c                    s~  i }i }g }g }|d j }t| D ]&\}	  fddt|D }
||
\}}|d }tg  |d}t|_|| |dd  }t|ddD ]"\}}|| t|_|| q|j|j	|j
|dd}|| < |sq"|jr"d|jkrq"td	d
 |
D }z|| }W n( tk
r.   t||||||}Y nX |dkr"|dg|jd d< q"|sld| }t|||||| t|||d}|S )Nr   c                    s"   g | ]\}}t |j |d kqS rH   )r|   CharStrings)r   rE   tdgnamer   r    r!   ;  s    z%merge_charstrings.<locals>.<listcomp>r   )startT)r;   globalSubrsr[   optimizeZblendc                 s   s   | ]}|d k	V  qd S r0   r   )r   vr   r   r    	<genexpr>e  s     z$merge_charstrings.<locals>.<genexpr>r>   )T)r*   r+   rZ   )r   rJ   ZgetSubModelCFF2CharStringMergePenMergeOutlineExtractorZoutlineExtractorZdrawrestartgetCharStringr;   r   seen_movetorx   tuplerS   r~   ro   )rl   r^   rY   ZmasterModelrZ   r}   r*   r+   Zdefault_charstringsrm   Zall_csrr   Zmodel_csZdefault_charstringZvar_penZ	region_cs
region_idxZregion_charstringZnew_csrD   r>   rs   r   r   r    rq   3  sx    



     
     rq   c                   @   s   e Zd ZdZdddZdS )CFFToCFF2OutlineExtractorzThis class is used to remove the initial width from the CFF
    charstring without trying to add the width to self.nominalWidthX,
    which is None.r   c                 C   s<   |   }| js8|t|d A r*|dd  }| j| _d| _|S )Nru   r   )ZpopallZgotWidthrO   defaultWidthXwidth)selfZevenOddargsr   r   r    popallWidth  s    z%CFFToCFF2OutlineExtractor.popallWidthN)r   )__name__
__module____qualname____doc__r   r   r   r   r    r     s   r   c                       sj   e Zd ZdZd fdd	Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Z  ZS )r   zUsed to extract the charstring commands - including hints - from a
    CFF charstring in order to merge it as another set of region data
    into a CFF2 variable font charstring.Nc              	      s   t  ||||||| d S r0   )super__init__)r   penZ
localSubrsr   ZnominalWidthXr   r;   Zblender	__class__r   r    r     s    
      zMergeOutlineExtractor.__init__c                 C   s    |   }| jt|d  | _|S )Nru   )r   	hintCountrO   )r   r   r   r   r    
countHints  s    z MergeOutlineExtractor.countHintsc                 C   s   | j || d S r0   )r   add_hint)r   ry   r   r   r   r    _hint_op  s    zMergeOutlineExtractor._hint_opc                 C   s   |   }| d| d S )NZhstemr   r   r   rM   r   r   r   r    op_hstem  s    zMergeOutlineExtractor.op_hstemc                 C   s   |   }| d| d S )NZvstemr   r   r   r   r    op_vstem  s    zMergeOutlineExtractor.op_vstemc                 C   s   |   }| d| d S )NZhstemhmr   r   r   r   r    
op_hstemhm  s    z MergeOutlineExtractor.op_hstemhmc                 C   s   |   }| d| d S )Nvstemhmr   r   r   r   r    
op_vstemhm  s    z MergeOutlineExtractor.op_vstemhmc                 C   sN   | j s.|  }|r| d| | jd d | _ | jd || j \}}||fS )Nr         rv   )hintMaskBytesr   r   r   ZcallingStackZgetBytes)r   rM   r   r   r   r   r    _get_hintmask  s    z#MergeOutlineExtractor._get_hintmaskc                 C   s&   |  |\}}| jd|g ||fS )Nhintmaskr   r   add_hintmaskr   rM   r   r   r   r    op_hintmask  s    z!MergeOutlineExtractor.op_hintmaskc                 C   s&   |  |\}}| jd|g ||fS )Ncntrmaskr   r   r   r   r    op_cntrmask  s    z!MergeOutlineExtractor.op_cntrmask)NN)r   r   r   r   r   r   r   r   r   r   r   r   r   r   __classcell__r   r   r   r    r     s     	r   c                       s   e Zd ZdZd fdd	Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zd ddZ  ZS )!r   z Pen to merge Type 2 CharStrings.{Gz?c                    sP   t  jd d d|d d| _|| _|| _|| _d| _d| _|| _t	|t
d| _
d S )NT)r   ZglyphSetr"   roundTolerancer   Fround)r   r   pt_index	_commandsm_indexr^   prev_move_idxr   rz   r   r   )r   Zdefault_commandsrz   r^   Z
master_idxr   r   r   r    r     s       zCFF2CharStringMergePen.__init__c                 C   sv   | j dkr| j||gg nF| j| j }|d |krVt|| jt|d |d | j|d | |  jd7  _d S Nr   r   )r   r   rN   r   r   rO   rz   )r   Z
point_type	pt_coordscmdr   r   r    	add_point  s    
  
  z CFF2CharStringMergePen.add_pointc                 C   sv   | j dkr| j||gg nF| j| j }|d |krVt|| jt|d |d | j|d | |  jd7  _d S r   r   r   rN   r   r   rO   rz   )r   	hint_typer   r   r   r   r    r     s    
  
  zCFF2CharStringMergePen.add_hintc                 C   s   | j dkr.| j|g g | jd|gg n`| j| j }|d |krft|| jt|d |d | j|  jd7  _| j| j }|d | |  jd7  _d S )Nr    r   r   )r   r   Zabs_argsr   r   r   r    r     s     
  
  z#CFF2CharStringMergePen.add_hintmaskc                 C   s2   | j sd| _ | |}| d| | jd | _d S )NTZrmovetor   )r   _pr   r   r   r   ptr   r   r   r    _moveTo  s
    
zCFF2CharStringMergePen._moveToc                 C   s   |  |}| d| d S )NZrlinetor   r   r   r   r   r    _lineTo  s    
zCFF2CharStringMergePen._lineToc                 C   s.   | j }|||| || }| d| d S )NZ	rrcurvetor   )r   Zpt1Zpt2Zpt3r   r   r   r   r    _curveToOne  s    z"CFF2CharStringMergePen._curveToOnec                 C   s   d S r0   r   r   r   r   r    
_closePath!  s    z!CFF2CharStringMergePen._closePathc                 C   s   d S r0   r   r   r   r   r    _endPath$  s    zCFF2CharStringMergePen._endPathc                 C   s   d| _ || _d| _d S )Nr   )r   r   )r   r   Z_p0)r   r   r   r   r    r   '  s    zCFF2CharStringMergePen.restartc                 C   s   | j S r0   )r   r   r   r   r    getCommands,  s    z"CFF2CharStringMergePen.getCommandsc                 C   s   |D ] }|d }t | }t||d< qd}|D ]}|d }|dkrrt|d }t|s^td|d d g|d< nh|d }	g }
|	D ]N}t|r|
|d  q||dd }|d g| }|d |
| q|
|d< |}q.|S )a  
        We first re-order the master coordinate values.
        For a moveto to lineto, the args are now arranged as::

                [ [master_0 x,y], [master_1 x,y], [master_2 x,y] ]

        We re-arrange this to::

                [	[master_0 x, master_1 x, master_2 x],
                        [master_0 y, master_1 y, master_2 y]
                ]

        If the master values are all the same, we collapse the list to
        as single value instead of a list.

        We then convert this to::

                [ [master_0 x] + [x delta tuple] + [numBlends=1]
                  [master_0 y] + [y delta tuple] + [numBlends=1]
                ]
        r   Nr   )r   r   z3Hintmask values cannot differ between source fonts.)rV   rR   r   r   rN   )r   commandsZget_delta_funcr   r   Zm_argsZlastOpopZcoordZcoordsZ
new_coordsrc   r   r   r    reorder_blend_args/  s4    
z)CFF2CharStringMergePen.reorder_blend_argsNTc                 C   sJ   | j }| |t|j| jd}|r0t|dtd}t|}t|||d}|S )Nr   F)ZgeneralizeFirstZmaxstack)rx   r;   r   )	r   r   r   rX   r   r   r   r   r   )r   r;   r   r[   r   r   rx   Z
charStringr   r   r    r   h  s$         z$CFF2CharStringMergePen.getCharString)r   )NNNT)r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r    r     s&    	:       r   N)F):collectionsr   ZfontTools.cffLibr   r   r   r   r   r   r	   r
   r   r   ior   ZfontTools.cffLib.specializerr   r   ZfontTools.ttLibr   Z	fontToolsr   ZfontTools.varLib.modelsr   ZfontTools.misc.loggingToolsr   ZfontTools.misc.roundToolsr   ZfontTools.misc.psCharStringsr   r   ZfontTools.pens.t2CharStringPenr   	functoolsr   errorsr   r   r   r   ZMergeDictErrorZMergeTypeErrorr-   r/   r6   rQ   r<   rf   rh   rn   ro   rt   r|   r~   rq   r   r   r   r   r   r   r    <module>   s>   0	
t+

P?