o
    l^UfHb                     @   s  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mZmZmZ d dlmZ d dlmZ d dlmZmZ ejZeej_d	d
 ZG dd deZedddZeej_dd Zeej _!dd Z"e"ej_#G dd deZ$dde% fddddZ&e&ej_'dddddZ(e(ej_)d d! Z*d"d# Z+d$d% Z,e,ej-_.e,ej/_.d&d' Z0d(d) Z1e1ej-_2e1ej/_2G d*d+ d+eZ3G d,d- d-e4Z5d5d/d0Z6e6ej_7d6d2d3Z8e9d4krd d1l:Z:e;e:j<d.kre:=e8  d d1l>Z>e:=e>? j@ d1S d1S )7    )noRoundotRound	bit_count)otTables)supportScalar)buildVarRegionListbuildVarStorebuildVarRegionbuildVarData)partial)defaultdict)heappushheappopc                 C   s   t t|  dd dS )Nc                 S   s   | d S Nr    )Zkvr   r   9lib/python3.10/site-packages/fontTools/varLib/varStore.py<lambda>   s    z!_getLocationKey.<locals>.<lambda>key)tuplesorteditems)locr   r   r   _getLocationKey   s   r   c                   @   sp   e Zd Zdd Zdd Zdd Zddd	ZdddZedddZ	edddZ
edddZedddZdS )OnlineVarStoreBuilderc                 C   sN   || _ i | _tg || _t| jg | _d | _d | _d | _i | _	i | _
d | _d S N)	_axisTags
_regionMapr   _regionListr	   _store_data_model	_supports_varDataIndices_varDataCaches_cache)selfZaxisTagsr   r   r   __init__   s   
zOnlineVarStoreBuilder.__init__c                 C   s   |  |j || _d S r   )setSupportssupportsr"   )r'   Zmodelr   r   r   setModel%   s   
zOnlineVarStoreBuilder.setModelc                 C   s2   d | _ t|| _| jd s| jd= d | _d | _d S r   )r"   listr#   r&   r!   )r'   r*   r   r   r   r)   )   s   


z!OnlineVarStoreBuilder.setSupportsTc                 C   sL   t | jj| j_t | jj| j_| jjD ]}t |j|_|j	|d q| jS )Noptimize)
lenr   RegionRegionCountr    VarDataVarDataCountItem	ItemCountcalculateNumShorts)r'   r.   datar   r   r   finish1   s   zOnlineVarStoreBuilder.finish   c                 C   s,  | j }| j}| j}g }|D ])}t|}||}|d u r1t|| j}	t|j }||< |j	|	 |	| qt
|}| j|}
|
d ura|
| _| jj|
 | _| j| | _t| jj| dkrad }
|
d u rt|g dd| _t| jj| _| jj	| j | j| j|< || jvri | j|< | j| | _d S d S )N  Fr-   )r   r   r#   r   getr
   r   r/   r0   appendr   r$   _outerr    r2   r!   r%   r&   r4   r   )r'   Z	num_items	regionMap
regionListregionsregionIndicesZregionr   idxZ	varRegionZ
varDataIdxr   r   r   _add_VarData9   s:   


z"OnlineVarStoreBuilder._add_VarDataroundc                C   s,   | j j||d}|d}|| j|tdfS )NrD   r   )r"   	getDeltaspopstoreDeltasr   )r'   master_valuesrE   deltasbaser   r   r   storeMasters\   s   
z"OnlineVarStoreBuilder.storeMastersc                   s4    fdd|D }dd |D }|j |tdfS )Nc                    s   g | ]
}j j| d qS )rD   )r"   rF   ).0rI   rE   r'   r   r   
<listcomp>b   s    z:OnlineVarStoreBuilder.storeMastersMany.<locals>.<listcomp>c                 S   s   g | ]}| d qS r   )rG   rM   rJ   r   r   r   rO   f       rD   )storeDeltasManyr   )r'   Zmaster_values_listrE   deltas_listZ	base_listr   rN   r   storeMastersManya   s
   z&OnlineVarStoreBuilder.storeMastersManyc                   s    fdd|D }t |t | jd krt|dd  }nt |t | jks(J t|}| js3|   | j|}|d ur?|S t | jj}|dkrT|   | j|t	dS | jj
|t	d | jd> | }|| j|< |S )Nc                       g | ]} |qS r   r   rM   drD   r   r   rO   j       z5OnlineVarStoreBuilder.storeDeltas.<locals>.<listcomp>r9   r:   rD      )r/   r#   r   r!   rC   r&   r;   r4   rH   r   addItemr=   )r'   rJ   rE   varIdxinnerr   rD   r   rH   i   s$   
z!OnlineVarStoreBuilder.storeDeltasc                   s    fdd|D }t dd |D }| js| t| | j|}|d ur(|S t| jj}|t| dkrD| t| | j|tdS t	|D ]\}}| jj
|td | jd> | | }|| j|< qH| jd> | }|| j|< |S )Nc                    s   g | ]} fd d|D qS )c                    rV   r   r   rW   rD   r   r   rO      rY   zDOnlineVarStoreBuilder.storeDeltasMany.<locals>.<listcomp>.<listcomp>r   rQ   rD   r   r   rO      s    z9OnlineVarStoreBuilder.storeDeltasMany.<locals>.<listcomp>c                 s   s    | ]}t |V  qd S r   )r   rQ   r   r   r   	<genexpr>   s    z8OnlineVarStoreBuilder.storeDeltasMany.<locals>.<genexpr>r:   rD   rZ   )r   r!   rC   r/   r&   r;   r4   rS   r   	enumerater[   r=   )r'   rT   rE   r\   r]   irJ   r   rD   r   rS      s$   
z%OnlineVarStoreBuilder.storeDeltasManyN)T)r9   )__name__
__module____qualname__r(   r+   r)   r8   rC   rE   rL   rU   rH   rS   r   r   r   r   r      s    

#r   rD   c                   sv    fdd|D }| j }t|}|d |krt|dd  }n||ks)J ||ft|}| j| t| j| _d S )Nc                    rV   r   r   rW   rD   r   r   rO      rY   z#VarData_addItem.<locals>.<listcomp>r9   )VarRegionCountr/   r,   r4   r<   r5   )r'   rJ   rE   ZcountUsZ	countThemr   rD   r   VarData_addItem   s   re   c                    s    fddt | jD S )Nc                    s2   i | ]\}}|j d kr | j|j|j |jfqS rP   )Z	PeakCoordZaxisTagZ
StartCoordZEndCoord)rM   r`   Zreg	fvar_axesr   r   
<dictcomp>   s
    
z)VarRegion_get_support.<locals>.<dictcomp>)r_   ZVarRegionAxis)r'   rg   r   rf   r   VarRegion_get_support   s   
ri   c                 C   s
   t | jS r   )boolr2   r'   r   r   r   VarStore___bool__      
rl   c                   @   sL   e Zd Zi fddZdd Zdd Zdd Zed	d
 Zdd Z	dd Z
dS )VarStoreInstancerc                 C   sL   || _ |d u s|jdksJ |r|jng | _|r|jjng | _| | d S )Nr9   )rg   ZFormatr2   _varDataVarRegionListr0   _regionssetLocation)r'   Zvarstorerg   locationr   r   r   r(      s
   zVarStoreInstancer.__init__c                 C   s   t || _|   d S r   )dictrs   _clearCaches)r'   rs   r   r   r   rr      s   
zVarStoreInstancer.setLocationc                 C   s
   i | _ d S r   )_scalarsrk   r   r   r   ru      rm   zVarStoreInstancer._clearCachesc                 C   s@   | j |}|d u r| j| | j}t| j|}|| j |< |S r   )rv   r;   rq   get_supportrg   r   rs   )r'   	regionIdxZscalarZsupportr   r   r   
_getScalar   s   
zVarStoreInstancer._getScalarc                 C   s.   d}t | |D ]\}}|sq||| 7 }q|S )N        )zip)rJ   scalarsZdeltarX   sr   r   r   interpolateFromDeltasAndScalars   s   z1VarStoreInstancer.interpolateFromDeltasAndScalarsc                    sV   |d? |d@ }}|t krdS  j} fdd|| jD }|| j| } ||S )NrZ   r:   rz   c                       g | ]}  |qS r   ry   rM   Zrirk   r   r   rO      rR   z1VarStoreInstancer.__getitem__.<locals>.<listcomp>)NO_VARIATION_INDEXro   VarRegionIndexr4   r~   )r'   ZvaridxmajorminorvarDatar|   rJ   r   rk   r   __getitem__   s   zVarStoreInstancer.__getitem__c                    s*    j } fdd|| jD } ||S )Nc                    r   r   r   r   rk   r   r   rO      rR   z;VarStoreInstancer.interpolateFromDeltas.<locals>.<listcomp>)ro   r   r~   )r'   ZvarDataIndexrJ   r   r|   r   rk   r   interpolateFromDeltas   s   z'VarStoreInstancer.interpolateFromDeltasN)ra   rb   rc   r(   rr   ru   ry   staticmethodr~   r   r   r   r   r   r   rn      s    
	rn   TFr2   )r2   c                C   s  t t}|D ]}|tkrq|d? }|d@ }	|| |	 q~t| |}
g }tti}t|
D ]\}}||}|d u r;q-t|}|| |j	}g }|dkrq|rqt
t|D ]}	||	|v ra||	 ndgt||	   |	||	< qUn/|dkrt|t||  }nt|}|D ]}	t|}|||	  |d> | ||d> |	 < q||_	t|j	|_|dkr|j|d q-t| || t| |d t| |   |S )NrZ   r:   r   r2   r-   ZCount)r   setr   addgetattrr_   r;   r/   r<   r4   ranger   r5   r6   setattrprune_regions)r'   ZvarIdxesr.   ZretainFirstMapZadvIdxesr2   usedr\   r   r   r   Z
newVarDataZ
varDataMapr7   Z
usedMinorsZnewMajorr   ZnewItemsZminorsZnewMinorr   r   r   VarStore_subset_varidxes   sT   



 
r   rp   )r2   rp   c          	         s   t  }t| |D ]}||j qt| |}|j}g }i  t|D ]}t| |< |||  q!||_t|j|_t| |D ]} fdd|jD |_q?dS )zRemove unused VarRegions.c                    s   g | ]} | qS r   r   )rM   r`   r>   r   r   rO   R  rY   z*VarStore_prune_regions.<locals>.<listcomp>N)	r   r   updater   r0   r   r/   r<   r1   )	r'   r2   rp   ZusedRegionsr7   r?   r@   Z
newRegionsr`   r   r   r   VarStore_prune_regions<  s   
r   c                 C   s   t | tjkr||  dS t| tr| D ]}t|| qdS t| drAt| dsA|  D ]}t| |j	d}|dur>t|| q,dS t| tj
rT| j D ]	}t|| qLdS dS )zqRecurse down from self, if type of an object is ot.Device,
    call func() on it.  Works on otData-style classes.getConvertersZpostReadN)typeotZDevice
isinstancer,   _visithasattrr   r   nameZValueRecord__dict__values)r'   functhatconvr   r   r   r   X  s$   

r   c                 C   s(   | j dkr|| jd> | j  dS dS )z6Add VarIdx in this Device table (if any) to the set s.   rZ   N)DeltaFormatr   	StartSizeEndSize)r'   r}   r   r   r   _Device_recordVarIdxn  s   
r   c                 C   s   t t|d}t| | d S )N)r}   )r   r   r   )r'   ZvaridxesZadderr   r   r   Object_collect_device_varidxest  s   r   c                 C   sX   t | |v rdS |t |  | jdkr*|| jd> | j  }|d? | _|d@ | _dS dS )z9Map VarIdx in this Device table (if any) through mapping.Nr   rZ   r:   )idr   r   r   r   )r'   mappingdoner\   r   r   r   _Device_mapVarIdx}  s   

r   c                 C   s   t t|t d}t| | d S )N)r   r   )r   r   r   r   )r'   Zvaridxes_mapZmapperr   r   r   Object_remap_device_varidxes  s   r   c                   @   st   e Zd Zdd Zdd Zdd Zdd ZeeZd	d
 Z	ee	Z
dd Zdd Zedd Zedd Zdd ZdS )	_Encodingc                 C   s6   || _ t|| _| || _| | j| _t | _d S r   )	charsr   width_columnscolumns_characteristic_overheadoverheadr   r   )r'   r   r   r   r   r(     s
   
z_Encoding.__init__c                 C      | j | d S r   )r   r   )r'   rowr   r   r   r<        z_Encoding.appendc                 C   r   r   )r   r   )r'   Zlstr   r   r   extend  r   z_Encoding.extendc                 C   s$   t | j}td| jd | | j S )z~Maximum number of bytes that can be added to characteristic
        while still being beneficial to merge it into another one.r   r9   )r/   r   maxr   r   r'   countr   r   r   get_room  s   
z_Encoding.get_roomc                 C   s   t | j}td| j| S )zQMaximum possible byte gain from merging this into another
        characteristic.r   )r/   r   r   r   r   r   r   r   get_gain  s   
z_Encoding.get_gainc                 C      | j | jfS r   )gainr   rk   r   r   r   gain_sort_key     z_Encoding.gain_sort_keyc                 C   r   r   )r   r   rk   r   r   r   width_sort_key  r   z_Encoding.width_sort_keyc                 C   s   d}|t | d 7 }|S )zOReturns overhead in bytes of encoding this characteristic
        as a VarData.
      r   )r   cr   r   r   r     s   z"_Encoding._characteristic_overheadc                 C   s4   d}d}| r| d@ r||O }| dL } |dK }| s|S )Nr   r9         r   )r   Zcolsr`   r   r   r   r     s   z_Encoding._columnsc                 C   sh   |j | j B }t|}| j|jB }t|}| j
 |j | || j t| j  ||j t|j  }|S r   )	r   r   r   r   r   r   r   r/   r   )r'   other_encodingcombined_charsZcombined_widthZcombined_columnsZcombined_overheadZcombined_gainr   r   r   gain_from_merging  s   
z_Encoding.gain_from_mergingN)ra   rb   rc   r(   r<   r   r   propertyZroomr   r   r   r   r   r   r   r   r   r   r   r   r     s    


r   c                   @   s(   e Zd Zdd Zdd Zedd ZdS )_EncodingDictc                 C   s   t | }| |< |S r   )r   )r'   r   rr   r   r   __missing__  s   z_EncodingDict.__missing__c                 C   s   |  |}| | | d S r   )_row_characteristicsr<   )r'   r   r   r   r   r   add_row  s   
z_EncodingDict.add_rowc                 C   s   d}d}d}| D ],}|r||7 }d|  krdks!n ||d 7 }d|  kr+dks0n d	} n|d
K }q|r]d}d}| D ]}|rG||d 7 }d|  krQdksXn ||d 7 }|d
K }q=|S )z+Returns encoding characteristics for a row.Fr   r9   i   r   i i  Tr         r   )r   Z	longWordsr   r`   vr   r   r   r     s,   

z"_EncodingDict._row_characteristicsN)ra   rb   rc   r   r   r   r   r   r   r   r   r     s
    r   r9   c              	   C   s  t | jj}dg| }i }t }t| jD ]d\}}|j}	t|jD ]W\}
}t|}|dkr@t	|	|D ]\}}||  |7  < q2nt	|	|D ]\}}||  t
|| | 7  < qEt|}|rkt|skd||d> |
 < q!|| |||d> |
 < q!qt| tjd}~g }t|D ]&\}}t|d t |D ]}|| }||}|dkrt|| ||f qq|r*t|\}}}|| du s|| du rq|| || }}d\||< ||< |j|jB }t|}||j ||j t|D ]/\}}|du rq|j|kr||j d||< q||}|dkr"t|| |t |f q|| |sdd |D }i }|jtjd g | _|D ]I}t|j}|rt | j}t }| j| t||_t |j|_|dd	 |d	d |_}t|jD ]\}
}|d> |
 ||< qv|sIq?tti}| D ]\}}|dur|| nt||< qt | jj| j_t | j| _ | jD ]}t |j|_!|"  q| #  |S )
z@Optimize storage. Returns mapping from old VarIdxes to new ones.r   r9   NrZ   r   )NNc                 S   s   g | ]}|d ur|qS r   r   )rM   encodingr   r   r   rO     s    z%VarStore_optimize.<locals>.<listcomp>r:   )$r/   rp   r0   r   r_   r2   r   r4   r,   r{   rE   r   anyr   r   r   r   r   r   r   r   r   r   r   r   r<   sortr   r   rd   r   r1   r3   r5   r.   r   )r'   Zuse_NO_VARIATION_INDEXquantizationnZzeroesZfront_mapping	encodingsr   r7   rA   r   itemr   rx   r   ZtodoZheapr`   r   jr   Zcombining_gain_r   Zcombined_encodingkencZback_mappingr   
varidx_mapr   r   r   VarStore_optimize  s   U









r   Nc                 C   sB  ddl m} ddlm} ddlm} ddlm} |dtj	d}|j
dtd	d
 |
d |j
ddd || }|dd |j}|j}|j}	||}
|
d }|jj}| }|||
 t| }td|  |j|d}| }|||
 t| }td|  |	dur|j| d|
v r|
d j| |
|	 dS dS )z&Optimize a font's GDEF variation storer   )ArgumentParser)configLogger)TTFont)OTTableWriterzvarLib.varStore)progdescriptionz--quantizationr9   )r   defaultfontfileoutfile?)nargsINFO)levelGDEFzBefore: %7d bytes)r   zAfter:  %7d bytesNGPOS)argparser   Z	fontToolsr   ZfontTools.ttLibr   ZfontTools.ttLib.tables.otBaser   main__doc__add_argumentint
parse_argsr   r   r   tableVarStorecompiler/   Z
getAllDataprintr.   remap_device_varidxesZsave)argsr   r   r   r   parseroptionsr   r   r   ZfontZgdefstorewritersizer   r   r   r   r     s>   


r   __main__)Tr9   r   )AZfontTools.misc.roundToolsr   r   ZfontTools.misc.intToolsr   ZfontTools.ttLib.tablesr   r   ZfontTools.varLib.modelsr   ZfontTools.varLib.builderr   r	   r
   r   	functoolsr   collectionsr   heapqr   r   r   r   r   objectr   rE   re   r2   r[   ri   Z	VarRegionrw   rl   __bool__rn   r   r   Zsubset_varidxesr   r   r   r   r   r   Zcollect_device_varidxesr   r   r   r   r   rt   r   r   r.   r   ra   sysr/   argvexitZdoctestZtestmodZfailedr   r   r   r   <module>   sf     9AF
( K
,