B
    -a                 @   sx   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 )   )Image	ImageFileImagePalette)i16le)i32le)o8c             C   s   t | dkot| ddkS )N      )i  i  )leni16)prefix r   6/tmp/pip-unpacked-wheel-rysjrues/PIL/FliImagePlugin.py_accept   s    r   c               @   sH   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d ZdS )FliImageFileZFLIzAutodesk FLI/FLC AnimationFc             C   s  | j d}t|r2t|ddkr2|dd dks:td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 d}t|ddkrD| j d}t|ddkr(| |d nt|ddkrD| |d dd |D }tdd|| _d| _| j | _| j  | _| d d S )N      )             s     znot an FLI/FLC filer   r   P   
      r	   i  i  F   durationc             S   s   g | ]}|||fqS r   r   ).0ar   r   r   
<listcomp>F   s    z&FliImageFile._open.<locals>.<listcomp>   i   i        r   c             S   s*   g | ]"\}}}t |t | t | qS r   )r   )r   rgbr   r   r   r   Y   s    ZRGB    )fpreadr   r   SyntaxErrorZn_framesZis_animatedmode_sizei32inforange_FliImageFile__offset_paletter   rawjoinpalette_FliImageFile__frame_FliImageFile__fptell_FliImageFile__rewindseek)selfsr   magicr4   r   r   r   _open+   s@    


zFliImageFile._openc       
      C   s   d}xt t| jdD ]}| jd}||d  }|d }|dkrJd}| j|d }xZt dt|dD ]F}|| |> }||d  |> }||d  |> }	|||	f||< |d7 }qlW qW d S )Nr   r"   r   r    r   )r/   r   r(   r)   r
   )
r:   r4   shiftier;   nr#   r$   r%   r   r   r   r1   b   s    zFliImageFile._palettec             C   sN   |  |sd S || jk r"| d x&t| jd |d D ]}| | q8W d S )Nr   r   )Z_seek_checkr5   _seekr/   )r:   framefr   r   r   r9   t   s    


zFliImageFile.seekc             C   s   |dkr$d| _ | j| j d| _n|   || j d krHtd| || _ | j| _| j| j | jd}|sxt	t
|}|| _dd| j | jd fg| _|  j|7  _d S )	Nr   r'   r   r   zcannot seek to frame r	   Zfli)r   r   )r5   r6   r9   r8   r0   load
ValueErrorr(   r)   EOFErrorr-   ZdecodermaxblocksizeZtile)r:   rC   r;   Z	framesizer   r   r   rB   }   s"    zFliImageFile._seekc             C   s   | j S )N)r5   )r:   r   r   r   r7      s    zFliImageFile.tellc             C   sB   z4y| j | jkr| j   W n tk
r0   Y nX W d d | _ X d S )N)r6   r(   closeAttributeError)r:   r   r   r   
_close__fp   s    
zFliImageFile._close__fpN)__name__
__module____qualname__formatformat_descriptionZ!_close_exclusive_fp_after_loadingr=   r1   r9   rB   r7   rK   r   r   r   r   r   %   s   7	r   z.fliz.flcN) r   r   r   _binaryr   r   r   r-   r   r   r   Zregister_openrO   Zregister_extensionsr   r   r   r   <module>   s   	 