o
    Zh-                     @  s  d dl mZ d dlmZ d dlmZmZ ddlmZm	Z	 z
ddlm
Z
 dZW n ey1   dZY nw dddd	Zddd
ZddddZd$ddZG dd de	j	Zd%ddZd%dd Zeejee ereeje e
jrveeje eejd! eejd" d#S d#S )&    )annotations)BytesIO)IOAny   )Image	ImageFile)_webpTF)RGBXRGBARGB)r   r   r   r   )s   VP8 s   VP8Xs   VP8Lprefixbytesreturn
bool | strc                 C  sN   | d d dk}| dd dk}| dd t v }|r%|r%|r%ts#	 dS dS d	S )
N   s   RIFF      s   WEBP   zEimage file could not be identified because WEBP support not installedTF)_VP8_MODES_BY_IDENTIFIER	SUPPORTED)r   Zis_riff_file_formatZis_webp_fileZis_valid_vp8_mode r   J/var/www/html/lang_env/lib/python3.10/site-packages/PIL/WebPImagePlugin.py_accept   s   r   c                      s   e Zd ZdZdZdZdZdddZd d	d
Zd!ddZ	d"d#ddZ
dd Zd!ddZ fddZd$ddZd% fddZ  ZS )&WebPImageFileZWEBPz
WebP imager   r   Nonec                 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mode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$   r   r   r   _open/   sN   











zWebPImageFile._opendict[str, Any] | Nonec                 C  s   d| j vrd S |   S )Nr   )r*   ZgetexifZ_get_merged_dictr4   r   r   r   _getexifc   s   
zWebPImageFile._getexifframeintc                 C  s   |  |sd S || _d S N)Z_seek_check_WebPImageFile__logical_framer4   rA   r   r   r   seekh   s   

zWebPImageFile.seekTr%   boolc                 C  s$   |r| j   d| _d| _d| _d S )Nr   )r0   r%   _WebPImageFile__physical_frame_WebPImageFile__loaded_WebPImageFile__timestamp)r4   r%   r   r   r   r3   o   s
   

zWebPImageFile._resetc                 C  sh   | j  }|  jd7  _|d u r|   | d d}t||\}}|| j }|| _||8 }|||fS )Nr   r   z(failed to decode next frame in WebP file)r0   Zget_nextrI   r3   rF   EOFErrorrK   )r4   retmsgr5   	timestampdurationr   r   r   	_get_nextv   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 rC   )rI   r3   rQ   rE   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 )NrO   rP   r   r   r   )r	   r&   rJ   rD   rR   rQ   r*   r'   Z_exclusive_fpcloser   r,   r2   r.   superload)r4   r5   rO   rP   	__class__r   r   rU      s   




zWebPImageFile.loadposc                 C  s   d S rC   r   )r4   rX   r   r   r   	load_seek   s   zWebPImageFile.load_seekc                   s   t jst  S | jS rC   )r	   r&   rT   tellrD   r?   rV   r   r   rZ      s   
zWebPImageFile.tell)r   r   )r   r>   )rA   rB   r   r   )T)r%   rG   r   r   )rX   rB   r   r   )r   rB   )__name__
__module____qualname__formatformat_descriptionrJ   rD   r=   r@   rF   r3   rQ   rR   rU   rY   rZ   __classcell__r   r   rV   r   r   )   s    

4


r   imImage.Imager'   	IO[bytes]filenamestr | bytesr   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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rt|dkstdd |D sd | }t||\}}}}|d!> |d"> B |d#> B |d> B }t| jd | jd |||||||	}d} d}!|  }"z| g| D ]}t|dd}#t|#D ]s}$||$ |  |}%|j}&|jtvrd$|jv pd%|jv p|jd&kod$|j v }'|'rd'nd(}&||&}%|&d(krd)}&||%d*|&t|!|%jd |%jd |&||||	 t|ttfr|!||  7 }!n|!|7 }!| d7 } qQqEW | |" n| |" w |d t|!ddd|||d	 ||||}(|(d u rd+}t|| |( d S ),Nappend_imagesr   r/   r   )r   r   r   r   r#      r"   rP   r    minimize_sizeFkminkmaxallow_mixedlosslessqualityP   alpha_qualityd   methodr    r   r$   	         r   c                 s  s(    | ]}d |  kodk n  V  qdS )r      Nr   ).0vr   r   r   	<genexpr>   s   & z_save_all.<locals>.<genexpr>z:Background color is not an RGBA tuple clamped to (0-255): r!   r   r   AaPr   r   r
   r   1cannot write file as WebP (encoder returned None))!encoderinfocopylistgetgetattr_saver*   
isinstancerB   Z
getpaletter   ExiftobytestuplelenallOSErrorr	   ZWebPAnimEncoderr,   rZ   rangerF   rU   r-   _VALID_WEBP_MODESra   Zgetpalettemodeconvertaddroundassemblewrite))ra   r'   rd   r~   rf   totalZimsr#   palettergbrP   r    rh   ri   rj   rk   verboserl   rm   ro   rq   r   r   r$   rN   r:   r;   r<   r9   encZ	frame_idxrO   Zcur_idxZnfridxrA   r2   alphar5   r   r   r   	_save_all   s   





 



-
r   c                 C  s  | j dd}| j dd}| j dd}| j dpd}| j d	d
}t|tjr.| }|dr9|dd  }| j dd}| j dd}	| j drOdnd}
| jtvr`| 	| j
r]dnd} t|  | jd | jd |t|t|| j||	|
||}|d u rd}t||| d S )Nrl   Frm   rn   ro   rp   r   rr   r       s   Exif     r$   rq   r   exactr   r   r   r   r}   )r~   r   r   r   r   r   
startswithr-   _VALID_WEBP_LEGACY_MODESr   Zhas_transparency_datar	   Z
WebPEncoder,   floatr   r   )ra   r'   rd   rl   rm   ro   r   r   r$   rq   r   r5   rN   r   r   r   r   ?  s@   

r   z.webpz
image/webpN)r   r   r   r   )ra   rb   r'   rc   rd   re   r   r   )
__future__r   ior   typingr   r   rr   r   r   r	   r   ImportErrorr   r   r   r   r   r   r   Zregister_openr^   Zregister_saver&   Zregister_save_allZregister_extensionZregister_mimer   r   r   r   <module>   s<    

 
 
&