o
    ‡®fò  ã                   @  sp   d dl mZ ddlmZ ddlmZ ddlmZ dZ	ddd„Z
G dd„ deƒZe ejee
¡ e ejd¡ dS )é    )Úannotationsé   )ÚImage)Úi32le)ÚPcxImageFilei±hÞ:ÚprefixÚbytesÚreturnÚboolc                 C  s   t | ƒdkot| ƒtkS )Né   )ÚlenÚi32ÚMAGIC)r   © r   úK/home/ubuntu/webapp/venv/lib/python3.10/site-packages/PIL/DcxImagePlugin.pyÚ_accept    s   r   c                   @  s6   e Zd ZdZdZdZddd„Zdd
d„Zddd„ZdS )ÚDcxImageFileÚDCXz	Intel DCXFr	   ÚNonec                 C  sŒ   | j  d¡}t|ƒsd}t|ƒ‚g | _tdƒD ]}t| j  d¡ƒ}|s% n| j |¡ q| j | _d| _	t
| jƒ| _| jdk| _|  d¡ d S )Nr   znot a DCX filei   éÿÿÿÿr   r   )ÚfpÚreadr   ÚSyntaxErrorÚ_offsetÚranger   ÚappendÚ_fpÚframer   Ún_framesÚis_animatedÚseek)ÚselfÚsÚmsgÚiÚoffsetr   r   r   Ú_open-   s   zDcxImageFile._openr   Úintc                 C  s<   |   |¡sd S || _| j| _| j | j| ¡ t | ¡ d S ©N)Ú_seek_checkr   r   r   r    r   r   r&   )r!   r   r   r   r   r    B   s   
zDcxImageFile.seekc                 C  s   | j S r(   )r   )r!   r   r   r   ÚtellJ   s   zDcxImageFile.tellN)r	   r   )r   r'   r	   r   )r	   r'   )	Ú__name__Ú
__module__Ú__qualname__ÚformatÚformat_descriptionÚ!_close_exclusive_fp_after_loadingr&   r    r*   r   r   r   r   r   (   s    

r   z.dcxN)r   r   r	   r
   )Ú
__future__r   Ú r   Ú_binaryr   r   ÚPcxImagePluginr   r   r   r   Úregister_openr.   Úregister_extensionr   r   r   r   Ú<module>   s   
&