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    1èÝc  ã                   @   sF   d dl Z ddlmZmZ dd„ ZG dd„ dejƒZe ejee¡ dS )é    Né   )ÚImageÚ	ImageFilec                 C   s   | d d… dkS )Né   s          © )Úsr   r   ú4lib/python3.8/site-packages/PIL/McIdasImagePlugin.pyÚ_accept   s    r	   c                   @   s   e Zd ZdZdZdd„ ZdS )ÚMcIdasImageFileZMCIDASzMcIdas area filec                 C   s  | j  d¡}t|ƒr t|ƒdkr,d}t|ƒ‚|| _dgtt d|¡ƒ  | _	}|d dkrdd }}n8|d dkrzd	}d
}n"|d dkrd	}d}nd}t|ƒ‚|| _
|d |d f| _|d |d  }|d |d |d  |d   }dd| j |||dffg| _d S )Né   znot an McIdas area filer   z!64ié   r   ÚLé   ÚIzI;16Bé   zI;32Bzunsupported McIdas formaté
   é	   é"   é   é   Úraw)r   r   )ÚfpÚreadr	   ÚlenÚSyntaxErrorZarea_descriptor_rawÚlistÚstructZunpackZarea_descriptorÚmodeZ_sizeÚsizeZtile)Úselfr   ÚmsgÚwr   ZrawmodeÚoffsetZstrider   r   r   Ú_open%   s*    
 zMcIdasImageFile._openN)Ú__name__Ú
__module__Ú__qualname__ÚformatZformat_descriptionr#   r   r   r   r   r
       s   r
   )r   Ú r   r   r	   r
   Zregister_openr'   r   r   r   r   Ú<module>   s   +