o
    e¦  ã                   @   sª   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 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ImageÚ	ImageFileÚImageSequenceÚJpegImagePluginÚTiffImagePlugin)Úi16be)Úo32lec                 C   s   t  | ||¡ d S ©N)r   Ú_save)ÚimÚfpÚfilename© r   úBD:\Projects\ConvertPro\env\Lib\site-packages\PIL/MpoImagePlugin.pyr   !   s   r   c              
   C   s‚  | j  dg ¡}|s$z| j}W n ty   d}Y nw |s$t| ||ƒ d S g }t | g|¡D ];}t |¡D ]3}|sVdt	 
dd¡ d d | j d< t |||¡ | | ¡ ¡ q4| |d	¡ | | ¡ |d
  ¡ q4q-t ¡ }t|ƒ|d< d}	d}
t|ƒD ]%\}}|dkr†d}nd}|	t	 
d|||
dd¡7 }	|dkrœ|
d8 }
|
|7 }
q{|	|d< | d¡ | dtdƒ | d¡ ¡ | dtj¡ d S )NÚappend_imagesFs   ÿâz>HéL   s   MPF sF                                                                         ÚextraZJPEGéÿÿÿÿé°  ó    r   i   z<LLLHHé   é°  s   II* é   )ZencoderinfoÚgetÚis_animatedÚAttributeErrorr   Ú	itertoolsÚchainr   ÚIteratorÚstructÚpackr   ÚappendÚtellÚsaver   ZImageFileDirectory_v2ÚlenÚ	enumerateÚseekÚwriter	   ÚtobytesÚosÚSEEK_END)r   r   r   r   ZanimatedÚoffsetsZ
imSequenceZim_frameZifdZ	mpentriesZdata_offsetÚiÚsizeÚmptyper   r   r   Ú	_save_all%   sJ   
ÿÿö

r0   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$   | j  d¡ tj | ¡ |  ¡  d S )Nr   )r   r'   r   ÚJpegImageFileÚ_openÚ_after_jpeg_open©Úselfr   r   r   r3   ]   s   zMpoImageFile._openNc                    s¦   ˆ j ˆ _|d ur
|nˆ  ¡ ˆ _ˆ jd ˆ _‡ fdd„ˆ jd D ƒˆ _dˆ jd< ˆ jtˆ jƒks1J ‚ˆ jd= ˆ jdkˆ _ˆ j	ˆ _
ˆ j
 ˆ jd ¡ dˆ _dˆ _dˆ _d S )Nr   c                    s   g | ]}|d  ˆ j d  ‘qS )Z
DataOffsetÚmpoffset)Úinfo)Ú.0Zmpentr5   r   r   Ú
<listcomp>f   s    ÿz1MpoImageFile._after_jpeg_open.<locals>.<listcomp>r   r   r7   r   )r.   Ú_initial_sizeZ_getmpÚmpinfoZn_framesÚ_MpoImageFile__mpoffsetsr%   r8   r   r   Ú_fpr'   Ú_MpoImageFile__frameÚoffsetÚreadonly)r6   Úmpheaderr   r5   r   r4   b   s   
ÿ

zMpoImageFile._after_jpeg_openc                 C   s   | j  |¡ d S r
   )r>   r'   )r6   Úposr   r   r   Ú	load_seekv   s   zMpoImageFile.load_seekc                 C   s$  |   |¡sd S | j| _| j| | _| j | jd ¡ | j d¡}|s&tdƒ‚| j| _	t
|ƒdkrqt
| j d¡ƒd }t | j|¡| jd< |  ¡  | jd | d d }| d¡rp|  ¡  d	¡}d
|v rpd|v rp|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  Úexifr   Ú	AttributeZMPTypezLarge Thumbnailii‡  i   i   Zjpeg)r   r   Ú )Z_seek_checkr>   r   r=   r@   r'   ÚreadÚ
ValueErrorr;   Ú_sizeÚi16r   Ú
_safe_readr8   Z_reload_exifr<   Ú
startswithZgetexifZget_ifdr.   ÚmodeZtiler?   )r6   ÚframeÚsegmentÚnr/   rF   r   r   r   r'   y   s0   

€

zMpoImageFile.seekc                 C   s   | j S r
   )r?   r5   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.
        )r1   Ú	__class__r4   )Zjpeg_instancerB   r   r   r   Úadopt˜   s   
zMpoImageFile.adoptr
   )Ú__name__Ú
__module__Ú__qualname__ÚformatÚformat_descriptionZ!_close_exclusive_fp_after_loadingr3   r4   rD   r'   r#   ÚstaticmethodrT   r   r   r   r   r1   W   s    
r1   z.mpoz	image/mpo)r   r*   r    rH   r   r   r   r   r   Ú_binaryr   rL   r	   r   r0   r2   r1   Zregister_saverX   Zregister_save_allZregister_extensionZregister_mimer   r   r   r   Ú<module>   s   2Y