o
    Ԧ/f                     @  s   d dl mZ d dlZddlmZmZmZ ddlmZ	 ddlm
Z ddlmZ dd	 ZG d
d dejZeejee eejddg dS )    )annotationsN   )Image	ImageFileImagePalette)i16le)i32leo8c                 C  s(   t | dkot| ddv ot| ddv S )N      )  i     )r      )leni16)prefix r   2lib/python3.10/site-packages/PIL/FliImagePlugin.py_accept   s
   r   c                   @  s@   e Zd ZdZdZdZdd Zdd Zdd	 Zd
d Z	dd Z
dS )FliImageFileZFLIzAutodesk FLI/FLC AnimationFc           
      C  s  | j d}t|r|dd dksd}t|t|d| _| jdk| _d| _t|d	t|d
f| _t	|d}t|d}|dkrF|d d }|| j
d< dd tdD }| j d}d| _t|ddkry| jt	| | _| j | j | j d}t|ddkrt|d}d }t|D ]5}|d ur| j |d tj | j d}t|d}	|	dv r| ||	dkrdnd  n	t	|}|s nqdd |D }tdd|| _d| _| j | _| j  | _| d d S )N         s     znot an FLI/FLC filer   r   P   
      r   r   i  F   durationc                 S  s   g | ]}|||fqS r   r   ).0ar   r   r   
<listcomp>G   s    z&FliImageFile._open.<locals>.<listcomp>   i   i  )r      r$      r   c                 S  s*   g | ]\}}}t |t | t | qS r   r	   )r    rgbr   r   r   r"   c   s   * ZRGB    )fpreadr   SyntaxErrorr   Zn_framesZis_animated_mode_sizei32inforange_FliImageFile__offsetseekosSEEK_CUR_paletter   rawjoinpalette_FliImageFile__frame_fptell_FliImageFile__rewind)
selfsmsgr   magicr:   Znumber_of_subchunksZ
chunk_size_Z
chunk_typer   r   r   _open0   sR   




zFliImageFile._openc           
      C  s   d}t t| jdD ]L}| jd}||d  }|d }|dkr$d}| j|d }t dt|dD ]#}|| |> }||d  |> }||d  |> }	|||	f||< |d7 }q4qd S )Nr   r%   r   r#   r   )r2   r   r+   r,   r   )
r?   r:   shiftier@   nr&   r'   r(   r   r   r   r7   l   s    
zFliImageFile._palettec                 C  sJ   |  |sd S || jk r| d t| jd |d D ]}| | qd S )Nr   r   )Z_seek_checkr;   _seekr2   )r?   framefr   r   r   r4   ~   s   


zFliImageFile.seekc                 C  s   |dkrd| _ | j| j d| _n|   || j d kr&d| }t||| _ | j| _| j| j | jd}|sBd}t	|t
|}|| _dd	| j | jd fg| _|  j|7  _d S )
Nr   r*   r   r   zcannot seek to frame r   zmissing frame sizeZfli)r   r   )r;   r<   r4   r>   r3   load
ValueErrorr+   r,   EOFErrorr0   ZdecodermaxblocksizeZtile)r?   rJ   rA   r@   Z	framesizer   r   r   rI      s&   
zFliImageFile._seekc                 C  s   | j S )N)r;   )r?   r   r   r   r=      s   zFliImageFile.tellN)__name__
__module____qualname__formatZformat_descriptionZ!_close_exclusive_fp_after_loadingrD   r7   r4   rI   r=   r   r   r   r   r   +   s    <	r   z.fliz.flc)Z
__future__r   r5    r   r   r   Z_binaryr   r   r   r0   r
   r   r   Zregister_openrS   Zregister_extensionsr   r   r   r   <module>   s    