o
    sh\                     @  s   d dl mZ d dlZddlmZmZ ddlmZ dd
dZ	G dd dejZ
G dd dejZee
je
e	 ede ee
jd dS )    )annotationsN   )Image	ImageFile)i32beprefixbytesreturnboolc                 C  s
   |  dS )Ns   qoif)
startswith)r    r   f/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/PIL/QoiImagePlugin.py_accept   s   
r   c                   @  s   e Zd ZdZdZdddZdS )	QoiImageFileQOIzQuite OK Imager	   Nonec                 C  s   t | jdsd}t|t| jdt| jdf| _| jdd }|dkr-dnd| _| jdtj	 t
dd	| j | j g| _d S )
N   znot a QOI filer   r      RGBRGBAqoi)r   r   )r   fpreadSyntaxErrori32_size_modeseekosSEEK_CURr   _Tiletelltile)selfmsgchannelsr   r   r   _open   s   ""zQoiImageFile._openN)r	   r   )__name__
__module____qualname__formatformat_descriptionr&   r   r   r   r   r      s    r   c                   @  s>   e Zd ZU dZdZded< i Zded< dddZdddZdS )
QoiDecoderTNzbytes | bytearray | None_previous_pixelzdict[int, bytes | bytearray]_previously_seen_pixelsvaluebytes | bytearrayr	   r   c                 C  sD   || _ |\}}}}|d |d  |d  |d  d }|| j|< d S )Nr            @   )r-   r.   )r#   r/   rgba
hash_valuer   r   r   _add_to_previous_pixels+   s   $z"QoiDecoder._add_to_previous_pixelsbuffer$bytes | Image.SupportsArrayInterfacetuple[int, int]c                   sN  j d usJ i _td t }tj}jjjj	 | }t
||k r j dd }|dkrJjrJtj djdd   }n|dkrUj d}n|d? }|dkrk|d	@ }j|td
}n|dkrjrtjd |d@ d?  d d jd |d@ d?  d d jd |d@  d d jd f}nc|dkrjrj dd }	|d	@ d  |	d@ d? d }
|	d@ d }tt fddt|
d|fD }|jdd  7 }n#|dkrjr|d	@ d }j}|dkr|d d }||| 7 }q$| |dkr|d d }||7 }t
||k s+| dS )N)r   r   r      r   r      r   r>   r      ?   )r   r   r   r   0                         c                 3  s*    | ]\}}j |   | d  V  qdS )rD   N)r-   ).0idiff
diff_greenr#   r   r   	<genexpr>[   s
    
z$QoiDecoder.decode.<locals>.<genexpr>)r   )fdr.   r:   	bytearrayr   getmodebandsmodestatexsizeysizelenr   r-   gettuple	enumerate
set_as_raw)r#   r;   databandsdest_lengthbyter/   opop_indexsecond_bytediff_red	diff_blue
run_lengthr   rM   r   decode2   sn    



2zQoiDecoder.decode)r/   r0   r	   r   )r;   r<   r	   r=   )	r'   r(   r)   	_pulls_fdr-   __annotations__r.   r:   rg   r   r   r   r   r,   &   s   
 
r,   r   z.qoi)r   r   r	   r
   )
__future__r   r    r   r   _binaryr   r   r   r   	PyDecoderr,   register_openr*   register_decoderregister_extensionr   r   r   r   <module>   s   
K