a
    Qh,                     @   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   K/var/www/sistema_ama/venv/lib/python3.9/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, q6||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r\| jd}|s$q\n.|tv r6|s\qq\n|dkrR| jddvrq>q||7 }q|snd}t|n"t |dkrd|  }t||S )Nr   
   r      #s   
z Reached EOF while reading headerzToken too long in file header: )lenr   r   r    
ValueErrordecode)r!   tokenr$   msgr   r   r   _read_tokenC   s*    

zPpmImageFile._read_tokenc                 C   s  |   }zt| }W n ty2   d}t|Y n0 |dv rDd| _n|dv rTd| _n|dv rbd| _d }d}|d	v rvd
}tdD ]}t|  }|dkr|}q~|dkr|}	|dkrd| _d}
 qFn
| | _}
q~|dkr~|}d|  k rdk sn d}t	||dkr|dkrd| _|d
kr~|dkr8|dkr8d}
q~|dkr~d}q~|dkrZ|
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!   Zmagic_numbermoder,   maxvaldecoder_nameixr+   xsizeysizerawmodeargsr   r   r   _open]   sT    
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r0||d d  }q:q|  }qd| _ |d}|dkrTq| ||}|dkr|d | ||d d   }q@|d | }d| _ qq@|S )Nr   Fr'   T)_comment_spansr\   rR   rU   )r!   rX   Zcomment_endcomment_startr   r   r   _ignore_comments   s$    


z PpmPlainDecoder._ignore_commentsc                 C   s   t  }| jj| jj }t||kr|  }|s0q| |}d| }|D ]"}|dvrLdt	|g }t
|qL|| d| }q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   r`   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|  }	|	s|r~t d}	nq| 	|	}	|r||	 }	d}|	
 }
|	r|	d	d   s|
 }t||krd
|d |d   }t||
D ]}t||krd
|d |d   }t|t|}||kr>d| }t|t|| | }|| jdkrdt|nt|7 }t||kr qVqqV|S )Nr&   r4      r   r5   r3   F    r]   s    Token too long found in data: %sz'Channel value too large for this mode: )rc   rA   r   getmodebandsrd   rE   rF   r(   rR   r`   rf   isspacepopr)   r<   roundo32r   )r!   rB   rj   max_lenout_byte_countout_maxbandsrk   Z
half_tokenrX   rl   r,   r+   valuer   r   r   _decode_blocks   sJ    



 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^   rA   rn   rH   r{   
set_as_rawrg   )r!   bufferrj   rG   rB   r   r   r   r*   
  s    


zPpmPlainDecoder.decodeN)r   )
rJ   rK   rL   	_pulls_fdrR   r\   r`   rn   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 rqt|D ]V}	|dkr||	 nt||	| }
t|t|
| | }
|| jdkrt|
nt|
7 }qqP| jdkrd	n| j}| t|| d
S )Nr]      r   r2   r4   ro   r5   r3   r|   r}   )rc   rH   rA   r   rq   r(   rd   rE   rF   rP   r   r   i16rV   rt   ru   r   r~   rg   )r!   r   rj   rB   Zin_byte_countrw   rx   ry   pixelsr[   rz   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\}}nR| j dkr(d\}}n>| j dkr<d\}}n*| j dv rPd\}}nd	| j  d
}t|||d| j   |dkr|d n&|dkr|dkr|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   )rA   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   ru   r    r8   r   r   	PyDecoderrO   r   r   register_openrM   register_saveregister_decoderregister_extensionsregister_mimer   r   r   r   <module>   s6   _ 