a
    hR0                     @  s(  d dl mZ d dl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	Zd
ddd
ddddddddZddd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dd d!d"d#Zeejee eeje ed$e ed%e eejg d& eejd' dS )(    )annotationsN)IO   )Image	ImageFile)i16be)o8)o32les    	
1LRGBZCMYKFPRGBA)   P1   P2   P3   P4   P5   P6s   P0CMYK   Pfs   PyPs   PyRGBAs   PyCMYKbytesbool)prefixreturnc                 C  s   |  do| d dv S )N   Pr   s	   0123456fy)
startswith)r    r   @/var/www/auris/lib/python3.9/site-packages/PIL/PpmImagePlugin.py_accept1   s    r   c                   @  s>   e Zd ZdZdZddddZddddZd	dd
dZdS )PpmImageFileZPPMzPbmplus imager   r   c                 C  sH   | j d usJ d}tdD ](}| j d}|r6|tv r: qD||7 }q|S )N       r   )fprangereadb_whitespace)selfmagic_cr   r   r   _read_magic=   s    
zPpmImageFile._read_magicc                 C  s   | j d usJ d}t|dkrj| j d}|s2qjn.|tv rD|sjqqjn|dkr`| j ddvrqLq||7 }q|s|d}t|nt|dkrd| }t||S )Nr"   
   r      #s   
z Reached EOF while reading headers!   Token too long in file header: %s)r$   lenr&   r'   
ValueError)r(   tokenr+   msgZmsg_too_longr   r   r   _read_tokenI   s,    

zPpmImageFile._read_tokenNonec           	      C  s  | j d usJ |  }zt| }W n ty@   d}t|Y n0 || _|dv rXd| _n|dv rhd| _n|dv rvd| _t|  t|  f| _	d}|d	v rd
}|dkrd}n|dkrt
|  }|dkst|sd}t|t|| jd< |dk rdnd}|ddf}nt|  }d|  k r0dk s>n d}t||dkrX|dkrXd| _|}|d
kr|dkr|dkrd}n|dkrd}|dkr|n||f}t|d| j | j  |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_plainr
   1;Ir   g        z!scale must be finite and non-zeroscaler   F;32FzF;32BFi   z1maxval must be greater than 0 and less than 65536   r   I  I;16Bppmr   r   )r$   r,   MODESKeyErrorSyntaxError_modeZcustom_mimetypeintr3   _sizefloatmathisfiniter0   absinfor   _TilesizetellZtile)	r(   Zmagic_numbermoder2   Zdecoder_nameargsr8   rawmodemaxvalr   r   r   _opene   sV    


zPpmImageFile._openN)__name__
__module____qualname__formatformat_descriptionr,   r3   rS   r   r   r   r   r    9   s
   r    c                   @  sz   e Zd ZU dZded< ddddZddd	d	d
ddZdddddZddddZd	ddddZ	dddddZ
dS )PpmPlainDecoderTr   _comment_spansr   r!   c                 C  s   | j d usJ | j tjS )N)fdr&   r   Z	SAFEBLOCK)r(   r   r   r   _read_block   s    zPpmPlainDecoder._read_blockr   rE   )blockstartr   c                 C  s8   | d|}| d|}|| dkr.t||S t||S )N   
   r   )findminmax)r(   r]   r^   abr   r   r   _find_comment_end   s    z!PpmPlainDecoder._find_comment_end)r]   r   c                 C  s   | j r:|r:| |}|dkr0||d d  }q:q|  }qd| _ |d}|dkrTq| ||}|dkr|d | ||d d   }q@|d | }d| _ qq@|S )Nr:   r   Fr.   T)rZ   rf   r\   ra   )r(   r]   Zcomment_endcomment_startr   r   r   _ignore_comments   s$    


z PpmPlainDecoder._ignore_comments	bytearrayc                 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    )ri   statexsizeysizer/   r\   rh   joinsplitr   r0   	maketrans	translate)r(   datatotal_bytesr]   tokensr1   r2   invertr   r   r   _decode_bitonal   s    

zPpmPlainDecoder._decode_bitonal)rR   r   c                 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|}|dk r>d| }t|||krZd| }t|t|| | }|| jdkrt|nt|7 }t||kr qVqqV|S )Nr-   r<      r   r=   r;   r"       r:   s    Token too long found in data: %sr   zChannel value is negative: z'Channel value too large for this mode: )ri   rO   r   getmodebandsrl   rm   rn   r/   r\   rh   rp   isspacepopr0   rE   roundo32r   )r(   rR   rs   max_lenout_byte_countout_maxbandsrt   Z
half_tokenr]   ru   r2   r1   valueZmsg_strr   r   r   _decode_blocks   sP    





 zPpmPlainDecoder._decode_blocks$bytes | Image.SupportsArrayInterfacetuple[int, int]bufferr   c                 C  sZ   d| _ | jdkr|  }d}n(| jd }| |}| jdkr@dn| j}| t|| dS )NFr
   z1;8r:   r<   I;32r:   r   )rZ   rO   rw   rP   r   
set_as_rawr   )r(   r   rs   rQ   rR   r   r   r   decode  s    


zPpmPlainDecoder.decodeN)r   )rT   rU   rV   	_pulls_fd__annotations__r\   rf   rh   rw   r   r   r   r   r   r   rY      s   
"3rY   c                   @  s    e Zd ZdZdddddZdS )
PpmDecoderTr   r   r   c                 C  s4  | j d usJ t }| jd }|dk r*dnd}| jdkr<dnd}| jdkrNdnd}t| j}| jj| jj | | }t	||k r
| j 
|| }	t	|	|| k rq
t|D ]V}
|dkr|	|
 nt|	|
| }t|t|| | }|| jdkrt|nt|7 }qqv| jdkrd	n| j}| t|| d
S )Nr:      r      r<   rx   r=   r;   r   r   )r[   ri   rP   rO   r   rz   rl   rm   rn   r/   r&   r%   i16rb   r}   r~   r   r   r   )r(   r   rs   rR   Zin_byte_countr   r   r   Zdest_lengthZpixelsre   r   rQ   r   r   r   r   /  s(    
"zPpmDecoder.decodeN)rT   rU   rV   r   r   r   r   r   r   r   ,  s   r   zImage.Imagez	IO[bytes]zstr | bytesr4   )imr$   filenamer   c                 C  s  | j dkrd\}}nf| j dkr(d\}}nR| j dv r<d\}}n>| j dv rPd\}}n*| j d	krdd
\}}nd| j  d}t|||d| j   |dkr|d n:|dkr|dkr|d q|d n|dkr|d | j d	krdnd}t| |tdd| j d|d|fg d S )Nr
   )r7   r   r   )r   r   )r<   zI;16)r>   r   )r   r   )r   r   r   )r9   r   zcannot write mode z as PPMs   
%d %d
r   s   255
r   s   65535
r   s   -1.0
r:   r   r5   r@   r   )rO   OSErrorwriterM   r   _saverL   )r   r$   r   rQ   headr2   Z	row_orderr   r   r   r   M  s2    










 r   r?   r6   )z.pbmz.pgmz.ppmz.pnmz.pfmzimage/x-portable-anymap)
__future__r   rH   typingr    r   r   _binaryr   r   r   r	   r~   r'   rA   r   r    Z	PyDecoderrY   r   r   Zregister_openrW   Zregister_saveZregister_decoderZregister_extensionsZregister_mimer   r   r   r   <module>   s>   j 
!"