U
    %‰d  ã                   @   s¶   d dl 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	ZdZd
ZdZdZdZdZdZdZdZdd„ dd„ dd„ dd„ gZdd„ ZG dd„ dejƒZdS )é    Né   )ÚFontFileÚImage)Úi8)Úi16be)Úi16le)Úi32be)Úi32leifcpé   é   é   é   é    é@   é€   é   c                 C   s   | d d? S )Né   é   © ©Úbitsr   r   ú3/tmp/pip-unpacked-wheel-vp0hp2u_/PIL/PcfFontFile.pyÚ<lambda>,   ó    r   c                 C   s   | d d? d@ S )Né   r   éþÿÿÿr   r   r   r   r   r   -   r   c                 C   s   | d d? d@ S )Né   r   éüÿÿÿr   r   r   r   r   r   .   r   c                 C   s   | d d? d@ S )Né?   r   iøÿÿÿr   r   r   r   r   r   /   r   c                 C   s   | ||   d|¡… S )Nó    )Úindex)ÚsÚor   r   r   Úsz3   s    r#   c                       sN   e Zd 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
‡  ZS )ÚPcfFontFilez(Font file plugin for the X11 PCF format.Únameú	iso8859-1c              	      s&  || _ t| d¡ƒ}|tkr(d}t|ƒ‚tƒ  ¡  t| d¡ƒ}i | _t|ƒD ]@}t| d¡ƒ}t| d¡ƒt| d¡ƒt| d¡ƒf| j|< qN|| _	|  
¡ | _|  ¡ }|  |¡}	|  ¡ }
t|
ƒD ]^\}}|d k	rÂ|| \}}}}}}}}|df||| || |fdd||f|	| f}|| j|< qÂd S )Nr   znot a PCF filer   )Úcharset_encodingÚl32ÚreadÚ	PCF_MAGICÚSyntaxErrorÚsuperÚ__init__ÚtocÚrangeÚfpÚ_load_propertiesÚinfoÚ_load_metricsÚ_load_bitmapsÚ_load_encodingÚ	enumerateÚglyph)Úselfr0   r'   ÚmagicÚmsgÚcountÚiÚtypeÚmetricsÚbitmapsÚencodingÚchÚixÚxÚyÚlÚrÚwÚaÚdÚfr7   ©Ú	__class__r   r   r-   <   s*    
0

,zPcfFontFile.__init__c                 C   sX   | j | \}}}| j}| |¡ t| d¡ƒ}|d@ rBtt }}n
tt }}||||fS )Nr   )r.   r0   Úseekr(   r)   Úb16Úb32Úl16)r8   ÚtagÚformatÚsizeÚoffsetr0   Úi16Úi32r   r   r   Ú
_getformat^   s    

zPcfFontFile._getformatc              	   C   sÊ   i }|   t¡\}}}}|| d¡ƒ}g }t|ƒD ]2}| || d¡ƒt| d¡ƒ|| d¡ƒf¡ q0|d@ r‚| d|d@  tj¡ | || d¡ƒ¡}	|D ]*\}
}}t	|	|
ƒ}
|r¼t	|	|ƒ}|||
< qš|S )Nr   r   r   )
rW   ÚPCF_PROPERTIESr)   r/   Úappendr   rM   ÚioÚSEEK_CURr#   )r8   Z
propertiesr0   rR   rU   rV   ZnpropsÚpr<   ÚdataÚkr!   Úvr   r   r   r1   n   s    0


zPcfFontFile._load_propertiesc              
   C   s\  g }|   t¡\}}}}|j}|d@ dkrÄt|| d¡ƒƒD ]†}t| d¡ƒd }t| d¡ƒd }	t| d¡ƒd }
t| d¡ƒd }t| d¡ƒd }|	| }|| }|||||	|
||dfƒ q:n”t|| d¡ƒƒD ]€}|| d¡ƒ}|| d¡ƒ}	|| d¡ƒ}
|| d¡ƒ}|| d¡ƒ}|| d¡ƒ}|	| }|| }|||||	|
|||fƒ qÖ|S )Ni ÿ  r   r
   r   r   r   r   )rW   ÚPCF_METRICSrY   r/   r)   r   )r8   r>   r0   rR   rU   rV   rY   r<   ÚleftÚrightÚwidthZascentZdescentZxsizeZysizeÚ
attributesr   r   r   r3   Š   s0    zPcfFontFile._load_metricsc                 C   s2  g }|   t¡\}}}}|| d¡ƒ}|t|ƒkr<d}t|ƒ‚g }	t|ƒD ]}
|	 || d¡ƒ¡ qHg }tdƒD ]}
| || d¡ƒ¡ qn|d@ }|d@ }|| }|	 |¡ | |¡}t| }d}|rÈd}t|ƒD ]\}
||
 \}}}}}}}}|	|
 |	|
d   }}| t 	d||f|||… d|||ƒ¡¡ qÐ|S )	Nr   zWrong number of bitmapsr   r   z1;RÚ1r   Úraw)
rW   ÚPCF_BITMAPSr)   ÚlenÚOSErrorr/   rY   ÚBYTES_PER_ROWr   Z	frombytes)r8   r>   r?   r0   rR   rU   rV   Znbitmapsr:   Úoffsetsr<   Zbitmap_sizesZbitorderZpadindexZ
bitmapsizer]   ÚpadÚmoderC   rD   rE   rF   rG   rH   rI   rJ   ÚbÚer   r   r   r4   ²   s4    

,zPcfFontFile._load_bitmapsc              	      sø   |   t¡\‰ }‰}ˆˆ  d¡ƒˆˆ  d¡ƒ }}ˆˆ  d¡ƒˆˆ  d¡ƒ }}ˆˆ  d¡ƒ || d || d  }d gtd|ƒ }‡ ‡fdd„t|ƒD ƒ}	t|t|ƒƒD ]H}
z.|	tt|
gƒ | j	¡ƒ }|dkrÚ|||
< W qª t
k
rð   Y qªX qª|S )Nr
   r   r   c                    s   g | ]}ˆˆ   d ¡ƒ‘qS )r
   )r)   )Ú.0Ú_©r0   rU   r   r   Ú
<listcomp>ë   s     z.PcfFontFile._load_encoding.<locals>.<listcomp>iÿÿ  )rW   ÚPCF_BDF_ENCODINGSr)   Úminr/   rh   ÚordÚ	bytearrayÚdecoder'   ÚUnicodeDecodeError)r8   rR   rV   Z	first_colZlast_colZ	first_rowZlast_rowZ	nencodingr@   Zencoding_offsetsr<   Zencoding_offsetr   rr   r   r5   Þ   s"    ÿzPcfFontFile._load_encoding)r&   )Ú__name__Ú
__module__Ú__qualname__Ú__doc__r%   r-   rW   r1   r3   r4   r5   Ú__classcell__r   r   rK   r   r$   7   s   "(,r$   )rZ   Ú r   r   Ú_binaryr   r   rN   r   rP   r   rO   r	   r(   r*   rX   ZPCF_ACCELERATORSr`   rg   ZPCF_INK_METRICSrt   ZPCF_SWIDTHSZPCF_GLYPH_NAMESZPCF_BDF_ACCELERATORSrj   r#   r$   r   r   r   r   Ú<module>   s.   ü