o
    gHd,                     @   s   d dl mZmZ d dlmZ d dlmZ d dlmZ dZ	ddddddd	d
dd	d
Z
dd ZG dd dejZG dd dejZG dd dejZdd Zeejee eeje ede ede eejg d eejd dS )   )Image	ImageFile)i16be)o8)o32les    	
1LRGBCMYKPRGBA)
   P1   P2   P3   P4   P5   P6s   P0CMYKs   PyPs   PyRGBAs   PyCMYKc                 C   s   | dd dko| d dv S )N    r      Ps   0123456y )prefixr   r   Y/var/www/html/facialservice/flask-venv/lib/python3.10/site-packages/PIL/PpmImagePlugin.py_accept-   s   r   c                   @   s,   e Zd ZdZdZdd Zdd Zdd Zd	S )
PpmImageFilePPMzPbmplus imagec                 C   s<   d}t dD ]}| jd}|r|tv r |S ||7 }q|S )N       r   )rangefpreadb_whitespace)selfmagic_cr   r   r   _read_magic9   s   
zPpmImageFile._read_magicc                 C   s   d}t |dkr9| jd}|sn(|tv r|sqn |dkr/| jddvr.	 | jddvs%q||7 }t |dks|sAd}t|t |dkrRd|  }t||S )Nr   
   r      #s   
z Reached EOF while reading headerzToken too long in file header: )lenr   r   r    
ValueErrordecode)r!   tokenr$   msgr   r   r   _read_tokenC   s.   zPpmImageFile._read_tokenc                 C   s|  |   }zt| }W n ty   d}t|w |dv r d| _n|dv r(d| _n|dv r/d| _d }d}|d	v r9d
}tdD ]]}t|  }|dkrL|}q=|dkrc|}	|dkr]d| _d}
 n>| | _}
q=|dkr|}d|  k rsdk szn d}t	||dkr|dkrd| _|d
kr|dkr|dkrd}
q=|dkrd}q=|dkr|
ddfn|
|f}||	f| _
|dd||	f| j |fg| _d S )Nznot a PPM file)r   r   zimage/x-portable-bitmap)r   r   zimage/x-portable-graymap)r   r   zimage/x-portable-pixmapraw)r   r   r   	ppm_plain   r   r   r   1;I   i   z1maxval must be greater than 0 and less than 65536   r   I  I;16Bppm)r%   MODESKeyErrorSyntaxErrorcustom_mimetyper   intr-   moder)   _sizer   telltile)r!   magic_numberr=   r,   maxvaldecoder_nameixr+   xsizeysizerawmodeargsr   r   r   _open]   sX   
"zPpmImageFile._openN)__name__
__module____qualname__formatformat_descriptionr%   r-   rI   r   r   r   r   r   5   s    
r   c                   @   sB   e Zd ZdZdd ZdddZdd Zd	d
 Zdd Zdd Z	dS )PpmPlainDecoderTc                 C   s   | j tjS )N)fdr   r   	SAFEBLOCK)r!   r   r   r   _read_block   s   zPpmPlainDecoder._read_blockr   c                 C   s8   | d|}| d|}|| dkrt||S t||S )N   
   r   )findminmax)r!   blockstartabr   r   r   _find_comment_end   s    z!PpmPlainDecoder._find_comment_endc                 C   s   | j r|r| |}|dkr||d d  }n|  }|sd| _ 	 |d}|dkr-	 |S | ||}|dkrF|d | ||d d   }n|d | }d| _ 	 |S q!)Nr   FTr'   )_comment_spansr\   rR   rU   )r!   rX   comment_endcomment_startr   r   r   _ignore_comments   s,   

z PpmPlainDecoder._ignore_commentsc                 C   s   t  }| jj| jj }t||krF|  }|sn.| |}d| }|D ]}|dvr7dt	|g }t
|q&|| d| }t||kst	dd}||S )z
        This is a separate method because in the plain PBM format, all data tokens are
        exactly one byte, so the inter-token whitespace is optional.
        r   )0   1   s   Invalid token for this mode: %sNs   01s    )	bytearraystaterE   rF   r(   rR   ra   joinsplitbytesr)   	maketrans	translate)r!   datatotal_bytesrX   tokensr+   r,   invertr   r   r   _decode_bitonal   s"   

zPpmPlainDecoder._decode_bitonalc                 C   s  t  }d}| jdkrdnd}| jdkrdnd}t| j}| jj| jj | | }d}t||kr|  }	|	sA|r>t d}	n	 |S | 	|	}	|rN||	 }	d}|	
 }
|	rt|	d	d   st|
 }t||krtd
|d |d   }t||
D ]F}t||krd
|d |d   }t|t|}||krd| }t|t|| | }|| jdkrt|nt|7 }t||kr nqvt||ks1|S )Nr&   r4      r   r5   r3   F    r]   s    Token too long found in data: %sz'Channel value too large for this mode: )rd   r=   r   getmodebandsre   rE   rF   r(   rR   ra   rg   isspacepopr)   r<   roundo32r   )r!   rB   rk   max_lenout_byte_countout_maxbandsrl   
half_tokenrX   rm   r,   r+   valuer   r   r   _decode_blocks   sP   


%zPpmPlainDecoder._decode_blocksc                 C   sZ   d| _ | jdkr|  }d}n| jd }| |}| jdkr dn| j}| t|| dS )NFr   z1;8r]   r4   I;32r]   r   )r^   r=   ro   rH   r}   
set_as_rawrh   )r!   bufferrk   rG   rB   r   r   r   r*   
  s   


zPpmPlainDecoder.decodeN)r   )
rJ   rK   rL   	_pulls_fdrR   r\   ra   ro   r}   r*   r   r   r   r   rO      s    
"0rO   c                   @   s   e Zd ZdZdd ZdS )
PpmDecoderTc                 C   s:  t  }| jd }|dk rdnd}| jdkrdnd}| jdkr dnd}t| j}t|| jj| jj | | k r| j	
|| }t||| k rIn@t|D ]+}	|dkrW||	 nt||	| }
t|t|
| | }
|| jdkrst|
nt|
7 }qMt|| jj| jj | | k s8| jdkrd	n| j}| t|| d
S )Nr]      r   r2   r4   rp   r5   r3   r~   r   )rd   rH   r=   r   rr   r(   re   rE   rF   rP   r   r   i16rV   ru   rv   r   r   rh   )r!   r   rk   rB   in_byte_countrx   ry   rz   pixelsr[   r|   rG   r   r   r   r*     s&   
   zPpmDecoder.decodeN)rJ   rK   rL   r   r*   r   r   r   r   r     s    r   c              
   C   s   | j dkr
d\}}n)| j dkrd\}}n| j dkrd\}}n| j dv r(d\}}nd	| j  d
}t|||d| j   |dkrG|d n|dkrZ|dkrU|d n|d t| |dd| j d|ddffg d S )Nr   )r1   r   r   )r   r   r4   )r6   r   )r	   r   )r	   r   zcannot write mode z as PPMs   
%d %d
r   s   255
r   s   65535
r.   )r   r   r   r   )r=   OSErrorwritesizer   _save)imr   filenamerG   headr,   r   r   r   r   5  s$   








(r   r7   r/   )z.pbmz.pgmz.ppmz.pnmzimage/x-portable-anymapN) r   r   _binaryr   r   r   r   rv   r    r8   r   r   	PyDecoderrO   r   r   register_openrM   register_saveregister_decoderregister_extensionsregister_mimer   r   r   r   <module>   s8   _ 