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    Ev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ko&t| ddkS )N      )  i     )r      )leni16)prefix r   6/tmp/pip-unpacked-wheel-ciywl2yd/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$|dd dks0d}t|t|d| _| jdk| _d| _t|d	t|d
f| _t	|d}t|d}|dkr|d d }|| j
d< dd tdD }| j d}d| _t|ddkr| jt	| | _| j | j | j d}t|ddkrt|d}d }t|D ]x}|d k	r:| j |d tj | j d}t|d}	|	dkrz| ||	dkrndnd  qt	|}|s qqdd |D }tdd|| _d| _| j | _| j  | _| d d S )N         s     znot an FLI/FLC filer   r   P   
      r   r   i  F   durationc                 S  s   g | ]}|||fqS r   r   ).0ar   r   r   
<listcomp>G   s     z&FliImageFile._open.<locals>.<listcomp>   i   i  )r      r$      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_subchunks
chunk_size_Z
chunk_typer   r   r   _open0   sP    







zFliImageFile._openc           
      C  s   d}t t| jdD ]}| jd}||d  }|d }|dkrHd}| j|d }t dt|dD ]F}|| |> }||d  |> }||d  |> }	|||	f||< |d7 }qhq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 ]}| | q6d 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rLd| }t||| _ | j| _| j| j | jd}|sd}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?   rK   rA   r@   Z	framesizer   r   r   rJ      s&    
zFliImageFile._seekc                 C  s   | j S )N)r;   )r?   r   r   r   r=      s    zFliImageFile.tellN)__name__
__module____qualname__formatformat_descriptionZ!_close_exclusive_fp_after_loadingrE   r7   r4   rJ   r=   r   r   r   r   r   +   s   <	r   z.fliz.flc)
__future__r   r5    r   r   r   _binaryr   r   r   r0   r
   r   r   Zregister_openrT   Zregister_extensionsr   r   r   r   <module>   s    