a
    !f1                     @   st   d dl Z ddlmZmZ ddlmZ ddddd	d
ddZdd ZG dd dejZ	e
e	je	e ee	jd dS )    N   )Image	ImageFile)i32le)AL)r   r   )RGBAZLA)RGBzYCC;P)r   zYCCA;P)r	   r	   )r   r   ))i  )i   )i  i )i   i  i  )i  i i i )i   i  i  )i  i i i c                 C   s   | d d t jkS )N   )olefileMAGIC)prefix r   S/var/www/html/python-backend/venv/lib/python3.9/site-packages/PIL/FpxImagePlugin.py_accept*   s    r   c                       sT   e Zd ZdZdZdd ZdddZdd	d
Zdd Z fddZ	 fddZ
  ZS )FpxImageFileZFPXZFlashPixc              
   C   sn   zt | j| _W n2 tyD } zd}t||W Y d }~n
d }~0 0 | jjjdkr`d}t|| d d S )Nz!not an FPX file; invalid OLE filez$56616700-C154-11CE-8553-00AA00A1F95Bznot an FPX file; bad root CLSIDr   )	r   Z	OleFileIOfpoleOSErrorSyntaxErrorrootZclsid_open_index)selfemsgr   r   r   _open6   s     zFpxImageFile._openr   c           
      C   s  | j d|ddg}|d |d f| _t| j}d}|dkrR|d }|d7 }q8|d | _| jd	> }|d
|B  }g }t|d}|dkrd}	t|	t|D ] }|	t|d|d  d@  qt
t| \| _| _i | _tdD ]&}d|d	> B }||v r|| | j|< q| d| j d S )NData Object Store 06dzImage Contentsi  i  r   @         i     zInvalid number of bandsr
   i   i  )r   Zgetproperties_sizemaxsizeZmaxidi32r   rangeappendMODEStuplemoderawmodejpeg_open_subimage)
r   indexpropr%   iidscolorsZbandsr   r   r   r   r   G   s4    




zFpxImageFile._open_indexr   c              
   C   sN  d|dd|ddg}| j |}|d |d}t|dt|d	f}t|d
t|df}t|d}t|d}	|| jkrd}
t|
|d|  |t|d|	 }d }}|\}}|\}}g | _tdt	||	D ]^}t
||| }t
||| }t||d	 }|dkrB| jd||||ft||d | jff n|dkr| jd||||ft||d | j|dd
 ff n|dkr|d }|d }| j}|r|dkrd\}}nd }n|}| jd||||ft||d ||ff |r| j| | _nd}
t|
|| }||krd||  }}||kr q>q|| _d | _d S )Nr   r   zResolution Z04dzSubimage 0000 Header   $   r!   r
   r           zsubimage mismatch   r   rawr   fillr         r   )ZYCbCrKZCMYKr-   zunknown/invalid compression)r   
openstreamreadr&   r%   r   seekZtiler'   lenminr(   r,   r-   Ztile_prefixstreamr   )r   r/   ZsubimagerC   r   r3   r%   Ztilesizeoffsetlengthr   xyZxsizeZysizeZxtileZytiler1   x1y1compressionZinternal_color_conversionZjpeg_tablesr,   Zjpegmoder   r   r   r.   x   s    








	

	



zFpxImageFile._open_subimagec                 C   s0   | j s$| j| jd d dg | _ tj| S )Nr   zSubimage 0000 Data)r   r   r>   rC   r   loadr   r   r   r   rK      s    zFpxImageFile.loadc                    s   | j   t   d S N)r   closesuperrL   	__class__r   r   rN      s    
zFpxImageFile.closec                    s   | j   t   d S rM   )r   rN   rO   __exit__)r   argsrP   r   r   rR      s    
zFpxImageFile.__exit__)r   )r   r   )__name__
__module____qualname__formatformat_descriptionr   r   r.   rK   rN   rR   __classcell__r   r   rP   r   r   2   s   
1
pr   z.fpx)r    r   r   _binaryr   r&   r)   r   r   Zregister_openrW   Zregister_extensionr   r   r   r   <module>   s    J