o
    f/                     @  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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&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RGBCMYKFPRGBA)   P1   P2   P3   P4   P5   P6s   P0CMYK   Pfs   PyPs   PyRGBAs   PyCMYKprefixbytesreturnboolc                 C  s   | dd dko| d dv S )Nr   r      Ps	   0123456fy )r   r   r   K/home/ubuntu/webapp/venv/lib/python3.10/site-packages/PIL/PpmImagePlugin.py_accept1   s   r   c                   @  s2   e Zd ZdZdZdddZdddZdd
dZdS )PpmImageFilePPMzPbmplus imager   r   c                 C  sJ   | j d usJ d}tdD ]}| j d}|r|tv r |S ||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r@| j d}|sn(|tv r |sq	n |dkr6| j ddvr5	 | j ddvs,q	||7 }t|dks|sHd}t|t|dkrYd|  }t||S )Nr"   
   r      #s   
z Reached EOF while reading headerzToken too long in file header: )r$   lenr&   r'   
ValueErrordecode)r(   tokenr+   msgr   r   r   _read_tokenI   s0   zPpmImageFile._read_tokenNonec           	      C  s  | j d usJ |  }zt| }W n ty   d}t|w || _|dv r*d| _n|dv r2d| _n|dv r9d| _t|  t|  f| _	d}|d	v rNd
}|dkrUd}nq|dkrt
|  }|dksht|snd}t|t|| jd< |dk r{dnd}|ddf}nCt|  }d|  k rdk sn d}t||dkr|dkrd| _|}|d
kr|dkr|dkrd}n|dkrd}|dkr|n||f}|d| j | j  |fg| _d S )Nznot a PPM file)r   r   zimage/x-portable-bitmap)r   r   zimage/x-portable-graymap)r   r   zimage/x-portable-pixmapraw)r   r   r   	ppm_plainr
   1;Ir   g        z!scale must be finite and non-zeroscaler   F;32FzF;32BFi   z1maxval must be greater than 0 and less than 65536   r   I  I;16Bppmr   r   )r$   r,   MODESKeyErrorSyntaxError_modecustom_mimetypeintr4   _sizefloatmathisfiniter0   absinfosizetelltile)	r(   magic_numbermoder3   decoder_nameargsr9   rawmodemaxvalr   r   r   _opene   sV    zPpmImageFile._openNr   r   )r   r5   )__name__
__module____qualname__formatformat_descriptionr,   r4   rW   r   r   r   r   r    9   s    

r    c                   @  sX   e Zd ZU dZded< dddZddddZdddZdddZd ddZ	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   	SAFEBLOCK)r(   r   r   r   _read_block   s   zPpmPlainDecoder._read_blockr   blockstartrG   c                 C  s8   | d|}| d|}|| dkrt||S t||S )N   
   r   )findminmax)r(   rc   rd   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;   r   FTr.   )r_   rl   rb   rg   )r(   rc   comment_endcomment_startr   r   r   _ignore_comments   s,   

z PpmPlainDecoder._ignore_comments	bytearrayc                 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    )rp   statexsizeysizer/   rb   ro   joinsplitr   r0   	maketrans	translate)r(   datatotal_bytesrc   tokensr2   r3   invertr   r   r   _decode_bitonal   s"   

zPpmPlainDecoder._decode_bitonalrV   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|  }	|	sA|r>t d}	n	 |S | 	|	}	|rN||	 }	d}|	
 }
|	rt|	d	d   st|
 }t||krtd
|d |d   }t||
D ]S}t||krd
|d |d   }t|t|}|dk rd| }t|||krd| }t|t|| | }|| jdkrt|nt|7 }t||kr nqvt||ks1|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: )rp   rR   r   getmodebandsrs   rt   ru   r/   rb   ro   rw   isspacepopr0   rG   roundo32r   )r(   rV   rz   max_lenout_byte_countout_maxbandsr{   
half_tokenrc   r|   r3   r2   valuemsg_strr   r   r   _decode_blocks   sV   
!


(zPpmPlainDecoder._decode_blocksbuffertuple[int, int]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   )r_   rR   r~   rT   r   
set_as_rawr   )r(   r   rz   rU   rV   r   r   r   r1     s   


zPpmPlainDecoder.decodeNrX   )r   )rc   r   rd   rG   r   rG   )rc   r   r   r   )r   rp   )rV   rG   r   rp   r   r   r   r   )rY   rZ   r[   	_pulls_fd__annotations__rb   rl   ro   r~   r   r1   r   r   r   r   r^      s   
 


"
3r^   c                   @  s   e Zd ZdZd	ddZdS )

PpmDecoderTr   r   r   r   c                 C  s8  | j d usJ 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}| jj| jj | | }t	||k r| j 
|| }	t	|	|| k rRn6t|D ]+}
|dkr`|	|
 nt|	|
| }t|t|| | }|| jdkr|t|nt|7 }qVt	||k sA| jdkrd	n| j}| t|| d
S )Nr;      r      r=   r   r>   r<   r   r   )r`   rp   rT   rR   r   r   rs   rt   ru   r/   r&   r%   i16rh   r   r   r   r   r   )r(   r   rz   rV   in_byte_countr   r   r   dest_lengthpixelsrk   r   rU   r   r   r   r1   -  s*   
 zPpmDecoder.decodeNr   )rY   rZ   r[   r   r1   r   r   r   r   r   *  s    r   imImage.Imager$   	IO[bytes]filenamestr | bytesr5   c              
   C  s  | j dkr
d\}}n3| j dkrd\}}n)| j dkrd\}}n| j dv r(d\}}n| j d	kr2d
\}}nd| j  d}t|||d| j   |dkrQ|d n|dkre|dkr_|d n|d n	|dkrn|d | j d	krudnd}t| |dd| j d|d|ffg d S )Nr
   )r8   r   r   )r   r   r=   )r?   r   )r   r   )r   r   r   )r:   r   zcannot write mode z as PPMs   
%d %d
r   s   255
r   s   65535
r   s   -1.0
r;   r   r6   rA   r   )rR   OSErrorwriterN   r   _save)r   r$   r   rU   headr3   	row_orderr   r   r   r   K  s.   










(r   r@   r7   )z.pbmz.pgmz.ppmz.pnmz.pfmzimage/x-portable-anymap)r   r   r   r   )r   r   r$   r   r   r   r   r5   )
__future__r   rJ   typingr    r   r   _binaryr   r   r   r	   r   r'   rB   r   r    	PyDecoderr^   r   r   register_openr\   register_saveregister_decoderregister_extensionsregister_mimer   r   r   r   <module>   s@   
h 

! 