U
    Evf-                     @  s   d dl mZ d dlmZ ddlmZmZ zddlmZ dZW n e	k
rT   dZY nX 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reeje ejreeje eejd eejd dS )    )annotations)BytesIO   )Image	ImageFile)_webpTF)RGBXRGBARGB)r
   r	   r
   r	   )s   VP8 s   VP8Xs   VP8Lc                 C  sL   | d d dk}| dd dk}| dd t k}|rH|rH|rHtsDd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   7/tmp/pip-unpacked-wheel-ciywl2yd/PIL/WebPImagePlugin.py_accept   s    r   c                      sz   e Zd ZdZdZdZdZd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dd Z fddZ  ZS )WebPImageFileZWEBPz
WebP imager   c                 C  s  t js|t | j \}}}| _}}|r2|| 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rdn|	| _|	| _g | _| jd}| jd}| jd}|r`|| jd< |rp|| 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_countZbgcolorZframe_countr'   bg_abg_rbg_gbg_br   r   r   r   _open-   sN    











zWebPImageFile._openc                 C  s   d| j krd S |   S )Nr   )r$   ZgetexifZ_get_merged_dictr.   r   r   r   _getexifa   s    
zWebPImageFile._getexifc                 C  s   d| j kr| | j d S i S )z
        Returns a dictionary containing the XMP tags.
        Requires defusedxml to be installed.

        :returns: XMP tags in a dictionary.
        r   )r$   Z_getxmpr7   r   r   r   getxmpf   s    zWebPImageFile.getxmpc                 C  s   |  |sd S || _d S N)Z_seek_check_WebPImageFile__logical_framer.   framer   r   r   seeko   s    
zWebPImageFile.seekTc                 C  s$   |r| j   d| _d| _d| _d S )Nr   )r*   r   _WebPImageFile__physical_frame_WebPImageFile__loaded_WebPImageFile__timestamp)r.   r   r   r   r   r-   v   s
    
zWebPImageFile._resetc                 C  sh   | j  }|  jd7  _|d kr>|   | d d}t||\}}|| j }|| _||8 }|||fS )Nr   r   z(failed to decode next frame in WebP file)r*   Zget_nextr@   r-   r>   EOFErrorrB   )r.   retmsgr/   	timestampdurationr   r   r   	_get_next}   s    


zWebPImageFile._get_nextc                 C  s8   | j |krd S || j k r |   | j |k r4|   q d S r:   )r@   r-   rH   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 )NrF   rG   r   r   r   )r   r    rA   r;   rI   rH   r$   r!   Z_exclusive_fpcloser   r&   r,   r(   superload)r.   r/   rF   rG   	__class__r   r   rL      s    



zWebPImageFile.loadc                 C  s   d S r:   r   )r.   posr   r   r   	load_seek   s    zWebPImageFile.load_seekc                   s   t jst  S | jS r:   )r   r    rK   tellr;   r7   rM   r   r   rQ      s    
zWebPImageFile.tell)T)__name__
__module____qualname__formatformat_descriptionrA   r;   r6   r8   r9   r>   r-   rH   rI   rL   rP   rQ   __classcell__r   r   rM   r   r   '   s   4	
r   c           )      C  s   | j  }t|dg }d}| g| D ]}|t|dd7 }q(|dkrVt| || d S d}d|krl|d }nbd| jkr| jd }t|tr| 	 }|r||d |d d  \}	}
}|	|
|df}n|||df}| j d	| jd	d}| j d
d}| j dd}| j dd }| j dd }| j dd}d}| j dd}| j dd}| j dd}| j dd}| j dpxd}| j dd}t|t
jr| }| j dd}|rd}|d kr|rdnd}|d kr|rdnd}t|ttfrt|dkstdd |D s*d | }t||\}}}}|d!> |d"> B |d#> B |d> B }t| jd | jd |||||||	}d} d}!|  }"z| g| D ]}t|dd}#t|#D ]}$||$ |  |}%|j}&|jtkr*d$|jkpd%|jkp|jd&kod$|j k}'|'rd'nd(}&||&}%|&d(kr8d)}&||%d*|&t|!|%jd |%jd |&||||	 t|ttfr|!||  7 }!n|!|7 }!| d7 } qqW 5 | |" X |d t|!ddd|||d	 ||||}(|(d krd+}t|| |( d S ),Nappend_imagesr   r)   r   )r   r   r   r   r      r   rG   r   minimize_sizeFkminkmaxallow_mixedlosslessqualityP   alpha_qualityd   methodr    r   r   	         r   c                 s  s&   | ]}d |  kodk n  V  qdS )r      Nr   ).0vr   r   r   	<genexpr>   s     z_save_all.<locals>.<genexpr>z:Background color is not an RGBA tuple clamped to (0-255): r   r   r   AaPr	   r
   r   r   1cannot write file as WebP (encoder returned None))!encoderinfocopylistgetgetattr_saver$   
isinstanceintZ
getpaletter   ExiftobytestuplelenallOSErrorr   ZWebPAnimEncoderr&   rQ   r>   rangerL   r'   _VALID_WEBP_MODESimZgetpalettemodeconvertaddroundZassemblewrite))r   r!   filenamerp   rX   totalZimsr   ZpalettergbrG   r   rZ   r[   r\   r]   verboser^   r_   ra   rc   r   r   r   rE   r3   r4   r5   r2   encZ	frame_idxrF   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d}| j dp8d}| j d	d
}t|tjr\| }|drr|dd  }| j dd}| j dd}	| j drdnd}
| jtkr| 	| j
rdnd} t|  | jd | jd |t|t|| j||	|
||}|d krd}t||| d S )Nr^   Fr_   r`   ra   rb   r   rd   r       s   Exif     r   rc   r   exactr   r   r	   r
   ro   )rp   rs   rv   r   rx   ry   
startswithr'   _VALID_WEBP_LEGACY_MODESr   Zhas_transparency_datar   Z
WebPEncoder&   floatr}   r   )r   r!   r   r^   r_   ra   r   r   r   rc   r   r/   rE   r   r   r   ru   F  s@    


ru   z.webpz
image/webpN)
__future__r   ior   rd   r   r   r   r   ImportErrorr   r   r   r   r   r   ru   Zregister_openrU   Zregister_saver    Zregister_save_allZregister_extensionZregister_mimer   r   r   r   <module>   s4   

  &