o
    î6÷dV  ã                   @   s®   d dl Z d dlZd dlZddlmZmZmZmZmZm	Z	 ddl
mZ ddl
mZ dd„ Zdd	„ ZG d
d„ dejƒZe eje¡ e eje¡ e ejd¡ e ejd¡ dS )é    Né   )ÚExifTagsÚImageÚ	ImageFileÚImageSequenceÚJpegImagePluginÚTiffImagePlugin)Úi16be)Úo32lec                 C   s   t  | ||¡ d S ©N)r   Ú_save)ÚimÚfpÚfilename© r   úiC:\Users\jesus\OneDrive\Desktop\erpjis_fastapi\backend\jisbackend\Lib\site-packages\PIL/MpoImagePlugin.pyr   (   s   r   c              
   C   sÌ  | j  dg ¡}|s$z| j}W n ty   d}Y nw |s$t| ||ƒ d S d}g }t | g|¡D ]Z}t |¡D ]R}|swdt	 
dd¡ d d |j d	< |j  d
¡}	t|	tjƒr^|	 ¡ }	|	|j d
< |	rh|dt|	ƒ 7 }t |||¡ | | ¡ ¡ q6| |d¡ | | ¡ |d  ¡ q6q/t ¡ }
d|
d< t|ƒ|
d< d}d}t|ƒD ]%\}}|dkr«d}nd}|t	 
d|||dd¡7 }|dkrÁ||8 }||7 }q ||
d< | |¡ | dtdƒ |
 d¡ ¡ | dtj¡ d S )NÚappend_imagesFé   s   ÿâz>HéX   s   MPF sR                                                                                     ÚextraÚexifé   ZJPEGéÿÿÿÿs   0100i °  é°  ó    r   i   z<LLLHHé°  s   II* é   )ZencoderinfoÚgetÚis_animatedÚAttributeErrorr   Ú	itertoolsÚchainr   ÚIteratorÚstructÚpackÚ
isinstancer   ÚExifÚtobytesÚlenr   ÚappendÚtellÚsaver   ZImageFileDirectory_v2Ú	enumerateÚseekÚwriter
   ÚosÚSEEK_END)r   r   r   r   ZanimatedZ
mpf_offsetÚoffsetsZ
imSequenceZim_framer   ZifdZ	mpentriesZdata_offsetÚiÚsizeÚmptyper   r   r   Ú	_save_all,   sZ   
ÿÿ
ï

r5   c                   @   sP   e Zd ZdZdZdZdd„ Zddd„Zd	d
„ Zdd„ Z	dd„ Z
eddd„ƒZdS )ÚMpoImageFileZMPOzMPO (CIPA DC-007)Fc                 C   s$   | j  d¡ tj | ¡ |  ¡  d S )Nr   )r   r-   r   ÚJpegImageFileÚ_openÚ_after_jpeg_open©Úselfr   r   r   r8   l   s   zMpoImageFile._openNc                    s¦   ˆ j ˆ _|d ur
|nˆ  ¡ ˆ _ˆ jd ˆ _‡ fdd„ˆ jd D ƒˆ _dˆ jd< ˆ jtˆ jƒks1J ‚ˆ jd= ˆ jdkˆ _ˆ j	ˆ _
ˆ j
 ˆ jd ¡ dˆ _dˆ _dˆ _d S )Nr   c                    s   g | ]}|d  ˆ j d  ‘qS )Z
DataOffsetÚmpoffset)Úinfo)Ú.0Zmpentr:   r   r   Ú
<listcomp>u   s    ÿz1MpoImageFile._after_jpeg_open.<locals>.<listcomp>r   r   r<   r   )r3   Ú_initial_sizeZ_getmpÚmpinfoZn_framesÚ_MpoImageFile__mpoffsetsr(   r=   r   r   Ú_fpr-   Ú_MpoImageFile__frameÚoffsetÚreadonly)r;   Úmpheaderr   r:   r   r9   q   s   
ÿ

zMpoImageFile._after_jpeg_openc                 C   s   | j  |¡ d S r   )rC   r-   )r;   Úposr   r   r   Ú	load_seek…   s   zMpoImageFile.load_seekc                 C   s,  |   |¡sd S | j| _| j| | _| j | jd ¡ | j d¡}|s(d}t|ƒ‚| j| _	t
|ƒdkrut
| j d¡ƒd }t | j|¡| jd< |  ¡  | jd | d d }| d¡rt|  ¡  tjj¡}d	|v rtd
|v rt|d	 |d
 f| _	nd| jv r‚| jd= |  ¡  dd| j | j| jdffg| _|| _d S )Né   zNo data found for frameiáÿ  r   r   Ú	AttributeZMPTypezLarge Thumbnaili   i   Zjpeg)r   r   Ú )Z_seek_checkrC   r   rB   rE   r-   ÚreadÚ
ValueErrorr@   Ú_sizeÚi16r   Ú
_safe_readr=   Z_reload_exifrA   Ú
startswithZgetexifZget_ifdr   ZIFDr&   r3   ÚmodeZtilerD   )r;   ÚframeÚsegmentÚmsgÚnr4   r   r   r   r   r-   ˆ   s2   

€

zMpoImageFile.seekc                 C   s   | j S r   )rD   r:   r   r   r   r*   ¥   s   zMpoImageFile.tellc                 C   s   t | _|  |¡ | S )aC  
        Transform the instance of JpegImageFile into
        an instance of MpoImageFile.
        After the call, the JpegImageFile is extended
        to be an MpoImageFile.

        This is essentially useful when opening a JPEG
        file that reveals itself as an MPO, to avoid
        double call to _open.
        )r6   Ú	__class__r9   )Zjpeg_instancerG   r   r   r   Úadopt¨   s   
zMpoImageFile.adoptr   )Ú__name__Ú
__module__Ú__qualname__ÚformatÚformat_descriptionZ!_close_exclusive_fp_after_loadingr8   r9   rI   r-   r*   ÚstaticmethodrY   r   r   r   r   r6   g   s    
r6   z.mpoz	image/mpo)r    r/   r#   rL   r   r   r   r   r   r   Ú_binaryr	   rP   r
   r   r5   r7   r6   Zregister_saver]   Zregister_save_allZregister_extensionZregister_mimer   r   r   r   Ú<module>   s    ;Y