o
    “jÞ1  ã                   @  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œZd+dd„ZG dd„ dejƒZG dd„ dejƒZG dd„ dejƒ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 )-é    )ÚannotationsN)ÚIOé   )ÚImageÚ	ImageFile)Úi16be)Úo8)Úo32les    	
Ú1ÚLÚRGBZCMYKÚFÚPÚRGBA)ó   P1ó   P2ó   P3ó   P4ó   P5ó   P6s   P0CMYKó   Pfs   PyPs   PyRGBAs   PyCMYKÚprefixÚbytesÚreturnÚboolc                 C  s"   t | ƒdko|  d¡o| d dv S )Né   ó   Pr   s	   0123456fy)ÚlenÚ
startswith)r   © r   ú\C:\Users\psant\Downloads\Anu Raj Backend\school\venv\Lib\site-packages\PIL/PpmImagePlugin.pyÚ_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 )ÚPpmImageFileZPPMzPbmplus imager   r   c                 C  sJ   | j d usJ ‚d}tdƒD ]}| j  d¡}|r|tv r |S ||7 }q|S )Nó    é   r   )ÚfpÚrangeÚreadÚb_whitespace)ÚselfÚmagicÚ_Úcr   r   r    Ú_read_magic=   s   
ÿzPpmImageFile._read_magicc                 C  s°   | j d usJ ‚d}t|ƒdkr@| j  d¡}|sq@|tv r |sq	q@|dkr6| j  d¡dvr5	 | j  d¡dvs,q	||7 }t|ƒdks|sHd}t|ƒ‚t|ƒdkrVd| }t|ƒ‚|S )Nr#   é
   r   ó   #s   
z Reached EOF while reading headers!   Token too long in file header: %s)r%   r   r'   r(   Ú
ValueError)r)   Útokenr,   ÚmsgZmsg_too_longr   r   r    Ú_read_tokenI   s0   ÿòzPpmImageFile._read_tokenÚNonec           	      C  s°  | j d usJ ‚|  ¡ }zt| }W n ty   d}t|ƒ‚w || _|dv r*d| _n|dv r2d| _n|dv r9d| _t|  ¡ ƒt|  ¡ ƒf| _	d}|d	v rNd
}|dkrUd}nq|dkrƒt
|  ¡ ƒ}|dksht |¡snd}t|ƒ‚t|ƒ| jd< |dk r{dnd}|ddf}nCt|  ¡ ƒ}d|  k r“dk sšn d}t|ƒ‚|dkr¥|dkr¥d| _|}|d
kr¼|dkr¶|dkr¶d}n|dkr¼d}|dkrÂ|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-pixmapÚraw)r   r   r   Ú	ppm_plainr
   ú1;Ir   g        z!scale must be finite and non-zeroÚscaler   úF;32FzF;32BFéÿÿÿÿi   z1maxval must be greater than 0 and less than 65536éÿ   r   ÚIéÿÿ  úI;16BÚppm©r   r   )r%   r-   ÚMODESÚKeyErrorÚSyntaxErrorÚ_modeZcustom_mimetypeÚintr3   Ú_sizeÚfloatÚmathÚisfiniter0   ÚabsÚinfor   Ú_TileÚsizeÚtellZtile)	r)   Zmagic_numberÚmoder2   Zdecoder_nameÚargsr8   ÚrawmodeÚmaxvalr   r   r    Ú_opene   sX   þ
ÿzPpmImageFile._openN©r   r   )r   r4   )Ú__name__Ú
__module__Ú__qualname__ÚformatÚformat_descriptionr-   r3   rS   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 )#ÚPpmPlainDecoderTr   Ú_comment_spansr   r   c                 C  s   | j d usJ ‚| j  tj¡S )N)Úfdr'   r   Z	SAFEBLOCK)r)   r   r   r    Ú_read_block§   s   zPpmPlainDecoder._read_blockr   ÚblockÚstartrE   c                 C  s8   |  d|¡}|  d|¡}|| dkrt||ƒS t||ƒS )Nó   
ó   r   )ÚfindÚminÚmax)r)   r^   r_   ÚaÚbr   r   r    Ú_find_comment_end¬   s    z!PpmPlainDecoder._find_comment_endc                 C  s¦   | j r|r|  |¡}|dkr||d d … }q|  ¡ }|sd| _ 	 | d¡}|dkr-	 |S |  ||¡}|dkrF|d |… ||d d …  }n|d |… }d| _ 	 |S q!)Nr:   r   FTr/   )r[   rg   r]   rb   )r)   r^   Zcomment_endÚcomment_startr   r   r    Ú_ignore_comments±   s,   
ö
öñz PpmPlainDecoder._ignore_commentsÚ	bytearrayc                 C  s¢   t ƒ }| jj| jj }t|ƒ|krF|  ¡ }|sqF|  |¡}d | ¡ ¡}|D ]}|dvr7dt	|gƒ }t
|ƒ‚q&|| d|… }t|ƒ|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#   )é0   é1   s   Invalid token for this mode: %sNs   01s   ÿ )rj   ÚstateÚxsizeÚysizer   r]   ri   ÚjoinÚsplitr   r0   Ú	maketransÚ	translate)r)   ÚdataÚtotal_bytesr^   Útokensr1   r2   Úinvertr   r   r    Ú_decode_bitonalÓ   s"   
þó
zPpmPlainDecoder._decode_bitonalrR   c                 C  s¤  t ƒ }d}| jdkrdnd}| jdkrdnd}t | j¡}| jj| jj | | }d}t|ƒ|krÐ|  ¡ }	|	sA|r>t dƒ}	n	 |S |  	|	¡}	|rN||	 }	d}|	 
¡ }
|	rt|	d	d …  ¡ st|
 ¡ }t|ƒ|krtd
|d |d …  }t|ƒ‚|
D ]S}t|ƒ|krŒd
|d |d …  }t|ƒ‚t|ƒ}|dk r�d|› �}t|ƒ‚||krªd|› �}t|ƒ‚t|| | ƒ}|| jdkr¼t|ƒnt|ƒ7 }t|ƒ|krÉ qÊqvt|ƒ|ks1|S )Nr.   r<   é   r   r=   r;   r#   ó    r:   s    Token too long found in data: %sr   zChannel value is negative: z'Channel value too large for this mode: )rj   rO   r   Úgetmodebandsrm   rn   ro   r   r]   ri   rq   ÚisspaceÚpopr0   rE   ÚroundÚo32r   )r)   rR   rt   Úmax_lenÚout_byte_countÚout_maxÚbandsru   Z
half_tokenr^   rv   r2   r1   ÚvalueZmsg_strr   r   r    Ú_decode_blocksì   sV   
!
áÿ

ÿÚ(zPpmPlainDecoder._decode_blocksÚbufferú$bytes | Image.SupportsArrayInterfaceútuple[int, int]c                 C  sZ   d| _ | jdkr|  ¡ }d}n| jd }|  |¡}| jdkr dn| j}|  t|ƒ|¡ dS )NFr
   z1;8r:   r<   úI;32©r:   r   )r[   rO   rx   rP   r…   Ú
set_as_rawr   )r)   r†   rt   rQ   rR   r   r   r    Údecode  s   


zPpmPlainDecoder.decodeNrT   )r   )r^   r   r_   rE   r   rE   )r^   r   r   r   )r   rj   )rR   rE   r   rj   ©r†   r‡   r   rˆ   )rU   rV   rW   Ú	_pulls_fdÚ__annotations__r]   rg   ri   rx   r…   rŒ   r   r   r   r    rZ   £   s   
 


"
3rZ   c                   @  s   e Zd ZdZd	dd„ZdS )
Ú
PpmDecoderTr†   r‡   r   rˆ   c                 C  s8  | j d usJ ‚tƒ }| 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	|ƒ|k rˆ| j  
|| ¡}	t	|	ƒ|| k rRqˆt|ƒD ]+}
|dkr`|	|
 nt|	|
| ƒ}t|t|| | ƒƒ}|| jdkr|t|ƒnt|ƒ7 }qVt	|ƒ|k sA| jdkr�d	n| j}|  t|ƒ|¡ d
S )Nr:   é   r   r   r<   ry   r=   r;   r‰   rŠ   )r\   rj   rP   rO   r   r{   rm   rn   ro   r   r'   r&   Úi16rc   r~   r   r   r‹   r   )r)   r†   rt   rR   Zin_byte_countr�   r‚   rƒ   Zdest_lengthZpixelsrf   r„   rQ   r   r   r    rŒ   /  s*   
ÿ özPpmDecoder.decodeNr�   )rU   rV   rW   rŽ   rŒ   r   r   r   r    r�   ,  s    r�   ÚimúImage.Imager%   ú	IO[bytes]Úfilenameústr | bytesr4   c                 C  s  | j dkr
d\}}n3| j dkrd\}}n)| j dv rd\}}n| j dv r(d\}}n| j d	kr2d
\}}nd| j › d�}t|ƒ‚| |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 | |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   ÚOSErrorÚwriterM   r   Ú_saverL   )r“   r%   r–   rQ   Úheadr2   Z	row_orderr   r   r    rš   M  s2   










 ÿrš   r?   r6   )z.pbmz.pgmz.ppmz.pnmz.pfmzimage/x-portable-anymap)r   r   r   r   )r“   r”   r%   r•   r–   r—   r   r4   )Ú
__future__r   rH   Útypingr   Ú r   r   Ú_binaryr   r’   r   r	   r   r(   rA   r!   r"   Z	PyDecoderrZ   r�   rš   Zregister_openrX   Zregister_saveZregister_decoderZregister_extensionsZregister_mimer   r   r   r    Ú<module>   s@   ò
j 

!"