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    “j~  ã                   @  sj   d dl mZ ddlmZmZmZ ddlmZ dd	d
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   ÚNonec           
      C  sä  | j d usJ ‚| j  d¡}t|ƒsd}t|ƒ‚d}t|dƒt|dƒf| _t|dƒ}t|dƒ}t|dƒ}t|dƒ}|d	krBd
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dkr·d| _| dd¡}| jd | d d d }	|dv rÙt dd| j |||	f¡g| _d S |dkrìt dd| j ||¡g| _d S d }t|ƒ‚)!Né    znot an SUN raster filer   é   é   é   é   é   r   )Ú1z1;I)ÚLzL;4r   é   )ÚRGBr   )r   ZBGR)r   ZRGBX)r   ZBGRXzUnsupported Mode/Bit Depthi   z Unsupported Color Palette LengthzUnsupported Palette TypezRGB;LÚPr   é   é   é   )r   r   r   r   é   Úraw)r   r   Zsun_rlez Unsupported Sun Raster file type)ÚfpÚreadr   ÚSyntaxErrorr   Ú_sizeÚ_moder   r#   ZpaletteÚmodeÚreplaceÚsizer   Z_TileZtile)
ÚselfÚsÚmsgÚoffsetÚdepthÚ	file_typeZpalette_typeZpalette_lengthÚrawmodeZstrider   r   r   Ú_open$   s`   

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
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   r   )Ú__name__Ú
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   r   )Ú
__future__r   Ú r   r   r   Ú_binaryr   r   r   r   Zregister_openr7   Zregister_extensionr   r   r   r   Ú<module>   s   
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