o
    h*                     @   s   d dl mZ ddlmZmZ z
ddlmZ dZW n ey#   dZY nw ddddZdddZ	d	d
d
dZ
dd ZG dd dejZdd Zdd Zeejee erueeje ejreeeje eejd eejd dS dS )    )BytesIO   )Image	ImageFile)_webpTF)RGBXRGBARGB)r	   r   r	   r   )s   VP8 s   VP8Xs   VP8Lc                 C   sV   | d d dk}| dd dk}| dd t v }|r%|r'|r)ts#	 dS dS d S d S d S )	N   s   RIFF      s   WEBP   zEimage file could not be identified because WEBP support not installedT)_VP8_MODES_BY_IDENTIFIER	SUPPORTED)prefixZis_riff_file_formatZis_webp_fileZis_valid_vp8_mode r   [/var/www/html/magazine_api/magazine_env/lib/python3.10/site-packages/PIL/WebPImagePlugin.py_accept   s   r   c                       sj   e Zd ZdZdZdZdZdd Zdd Zdd	 Z	dddZ
dd Zdd Z fddZ fddZ  ZS )WebPImageFileZWEBPz
WebP imager   c                 C   s  t js>t | j \}}}| _}}|r|| jd< |r || jd< ||f| _t|| _dd| j	 d| jfg| _
d| _d| _d S t | j | _| j \}}}}}}	||f| _|| jd< |d	? d
@ |d? d
@ |d? d
@ |d
@ f\}
}}}||||
f| jd< || _| jdk| _|	dkrdn|	| _|	| _g | _
| jd}| jd}| jd}|r|| jd< |r|| jd< |r|| jd< | jdd d S )Nicc_profileexifrawr   r   r   r   Floop      r   r   
backgroundr   r	   ZICCPZEXIFzXMP xmp)reset)r   HAVE_WEBPANIMZ
WebPDecodefpreadmodeinfo_sizer   sizetilen_framesZis_animatedZWebPAnimDecoder_decoderget_inforawmodeZ	get_chunk_reset)selfdatawidthheightr   r   Z
loop_countbgcolorZframe_countr"   bg_abg_rbg_gbg_br   r   r   r   _open,   sN   











zWebPImageFile._openc                 C   s   d| j vrd S |   S )Nr   )r#   ZgetexifZ_get_merged_dictr,   r   r   r   _getexif`   s   
zWebPImageFile._getexifc                 C   s   |  |sd S || _d S N)Z_seek_check_WebPImageFile__logical_framer,   framer   r   r   seeke   s   

zWebPImageFile.seekTc                 C   s$   |r| j   d| _d| _d| _d S )Nr   )r(   r   _WebPImageFile__physical_frame_WebPImageFile__loaded_WebPImageFile__timestamp)r,   r   r   r   r   r+   l   s
   

zWebPImageFile._resetc                 C   sd   | j  }|  jd7  _|d u r|   | d td|\}}|| j }|| _||8 }|||fS )Nr   r   z(failed to decode next frame in WebP file)r(   Zget_nextr>   r+   r<   EOFErrorr@   )r,   retr-   	timestampdurationr   r   r   	_get_nexts   s   



zWebPImageFile._get_nextc                 C   sD   | j |krd S || j k r|   | j |k r |   | j |k sd S d S r8   )r>   r+   rE   r:   r   r   r   _seek   s   


zWebPImageFile._seekc                    s   t jr@| j| jkr@| | j |  \}}}|| jd< || jd< | j| _| jr/| jr/| j	  t
|| _dd| j d| jfg| _t  S )NrC   rD   r   r   r   )r   r   r?   r9   rF   rE   r#   r    Z_exclusive_fpcloser   r%   r*   r&   superload)r,   r-   rC   rD   	__class__r   r   rI      s   




zWebPImageFile.loadc                    s   t jst  S | jS r8   )r   r   rH   tellr9   r6   rJ   r   r   rL      s   
zWebPImageFile.tell)T)__name__
__module____qualname__formatformat_descriptionr?   r9   r5   r7   r<   r+   rE   rF   rI   rL   __classcell__r   r   rJ   r   r   %   s    4
r   c           '      C   s  | j  }t|dg }d}| g| D ]
}|t|dd7 }q|dkr+t| || d S d}d|v r6|d }n1d| jv rg| jd }t|trg| 	 }|ra||d |d d  \}	}
}|	|
|df}n|||df}| j d	| jd	d}| j d
d}| j dd}| j dd }| j dd }| j dd}d}| j dd}| j dd}| j dd}| j dpd}| j dd}t|t
jr| }| j dd}|rd}|d u r|rdnd}|d u r|rdnd}t|ttfrt|dkstdd |D stdt| |\}}}}|d> |d > B |d!> B |d> B }t| jd | jd |||||||	}d}d}|  } z| g| D ]~}t|dd}!t|!D ]p}"||" |  |}#|j}$|jtvrd"|jv pud#|jv pu|jd$koud"|j v }%|%r{d%nd&}$||$}#|$d&krd'}$||#d(|$||#jd |#jd |$||| t|ttfr||| 7 }n||7 }|d7 }qGq;W | |  n| |  w |d |ddd||d ||||}&|&d u rtd)| |& d S )*Nappend_imagesr   r'   r   )r   r   r   r   r      r   rD   r   minimize_sizeFkminkmaxallow_mixedlosslessqualityP   methodr    r   r   	         r
   c                 s   s     | ]}|d ko|dk V  qdS )r      Nr   ).0vr   r   r   	<genexpr>   s    z_save_all.<locals>.<genexpr>z<Background color is not an RGBA tuple clamped to (0-255): %sr   r   r   AaPr   r	   r   r   1cannot write file as WebP (encoder returned None))!encoderinfocopylistgetgetattr_saver#   
isinstanceintZ
getpaletter   ExiftobytestuplelenallOSErrorstrr   ZWebPAnimEncoderr%   rL   ranger<   rI   r"   _VALID_WEBP_MODESimZgetpalettemodeconvertaddassemblewrite)'rz   r    filenameri   rS   totalZimsr   palettergbrD   r   rU   rV   rW   rX   verboserY   rZ   r\   r   r   r   r2   r3   r4   r1   encZ	frame_idxrC   Zcur_idxZnfridxr;   r*   alphar-   r   r   r   	_save_all   s   




 



,
r   c                 C   s   | j dd}| j dd}| j dpd}| j dd}t|tjr'| }| j dd}| j d	d
}| jtvrWd| jv pMd| jv pM| jdkoMd| jv }	| 	|	rTdnd} t
|  | jd | jd |t|| j||||
}
|
d u rxtd||
 d S )NrY   FrZ   r[   r   r]   r   r   r\   r
   re   rf   rg   Ztransparencyr   r	   r   r   rh   )ri   rl   ro   r   rq   rr   r"   _VALID_WEBP_LEGACY_MODESr#   r{   r   Z
WebPEncoder%   floatrv   r~   )rz   r    r   rY   rZ   r   r   r   r\   r   r-   r   r   r   rn   7  s<   

rn   z.webpz
image/webpN)ior   r]   r   r   r   r   ImportErrorry   r   r   r   r   r   rn   Zregister_openrP   Zregister_saver   Zregister_save_allZregister_extensionZregister_mimer   r   r   r   <module>   s8    
  $