o
    î6÷dž  ã                
   @   s¾   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lmZ dd	d	d
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S )ÚPsdImageFileZPSDzAdobe PhotoshopFc                 C   sF  | j j}|dƒ}t|ƒrt|dƒdkrd}t|ƒ‚t|dƒ}t|dƒ}t|dƒ}t||f \}}||kr:d}t|ƒ‚|d	krF|dkrFd
}d}|| _t|dƒt|dƒf| _	t|dƒƒ}	|	ro||	ƒ}
|dkro|	dkrot
 d|
¡| _g | _t|dƒƒ}	|	rÏ| j  ¡ |	 }| j  ¡ |k rÏ|dƒ t|dƒƒ}|t|dƒƒƒ}t|ƒd@ s¤|dƒ |t|dƒƒƒ}
t|
ƒd@ r¶|dƒ | j |||
f¡ |dkrÈ|
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_safe_readÚ
_layerinfoÚseekZn_framesZis_animatedÚ	_maketileÚsizeÚtileÚ_fpÚframeZ
_min_frame)Úselfr"   ÚsÚmsgZpsd_bitsZpsd_channelsZpsd_moder'   Úchannelsr8   ÚdataÚendÚidÚnameZ_layer_datar   r   r   Ú_open:   sl   



õ
zPsdImageFile._openc              
   C   sp   |   |¡sd S z| j|d  \}}}}|| _|| _|| _| j| _||fW S  ty7 } zd}t|ƒ|‚d }~ww )Nr   zno such layer)	Z_seek_checkr1   r'   r9   r;   r:   r!   Ú
IndexErrorÚEOFError)r<   ÚlayerrC   r'   Úbboxr9   Úer>   r   r   r   r6   Ž   s   


€þzPsdImageFile.seekc                 C   s   | j S ©N)r;   )r<   r   r   r   r-   ž   s   zPsdImageFile.tellN)	Ú__name__Ú
__module__Ú__qualname__ÚformatÚformat_descriptionZ!_close_exclusive_fp_after_loadingrD   r6   r-   r   r   r   r   r   5   s    Tr   c              	      s$  g }‡ fdd„}t |dƒƒ}|t|ƒd k rd}t|ƒ‚tt|ƒƒD ]Ã}t|dƒƒ}t|dƒƒ}t|dƒƒ}	t|dƒƒ}
g }t|dƒƒ}tt|ƒƒ}t|ƒdkrQq"|D ]}t|dƒƒ}|dkrbd}nd	| }| |¡ |dƒ qS| 	¡  |d
gkr|d}n|g d¢kr…d}n|g d¢krŽd	}nd }|dƒ d}t|dƒƒ}|rÙˆ  
¡ | }t|dƒƒ}|rµˆ  |d tj¡ t|dƒƒ}|rÄˆ  |tj¡ t|dƒƒ}|rÔ||ƒ dd¡}ˆ  |¡ | |||||
|	ff¡ q"t|ƒD ]%\}\}}}g }|D ]}tˆ ||dƒ}|r| |¡ qõ||||f||< qê|S )Nc                    s   t  ˆ | ¡S rJ   )r   r4   )r8   ©r!   r   r   r"   §   s   z_layerinfo.<locals>.readr   é   z4Layer block too short for number of layers requestedr   iÿÿ  ÚAr   ÚRr   )ÚBÚGrS   r   )rR   rT   rU   rS   r   Ú é   r   zlatin-1Úreplace)Úsi16Úabsr$   Úranger(   r#   Úlistr.   r/   Úsortr-   r6   r2   ÚSEEK_CURr   ÚdecodeÚ	enumerater7   Úextend)r!   Zct_bytesr1   r"   Úctr>   Ú_Zy0Zx0Úy1Úx1r'   Zct_typesÚtypesÚtypeÚmrC   r8   Zdata_endÚlengthÚirH   r9   Útr   rP   r   r5   £   sp   




€r5   c                 C   s2  d }| j }t|dƒƒ}|d |d  }|d |d  }|  ¡ }	|dkrHg }t|ƒD ]}
||
 }|dkr7|d7 }| d||	|f¡ |	||  }	q)nB|dkrŠd}g }||| d ƒ}|  ¡ }	t|ƒD ])}
||
 }|dkrn|d7 }| d||	|f¡ t|ƒD ]}|	t||ƒ }	|d7 }q{q`|  |	¡ |	d@ r—|dƒ |S )	Nr   r   r   r   r   z;Ir*   Zpackbits)r"   r#   r-   r[   r/   r6   )Úfiler'   rH   r?   r9   r"   ÚcompressionZxsizeZysizeÚoffsetZchannelrG   rj   Z	bytecountÚyr   r   r   r7   ù   sB   û
þ
r7   z.psdzimage/vnd.adobe.photoshop)r2   rV   r   r   r   Ú_binaryr   r   r#   r   r(   r	   rY   r%   r   r   r5   r7   Zregister_openrN   Zregister_extensionZregister_mimer   r   r   r   Ú<module>   s.   önV2