a
    !fq                  A   @   s  d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlZd dlZddl	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lmZ dd	lmZ d
d Zdd Zdd Zdd Zdd Zddefddefddefddefddefddefd d!efd"d#efd$d%d&efd'd(efd)d*efd+d,efd-d.efd/d0efd1d2efd3d4d5d6d7d8d9d:d;d<d=d>efdd?efd@dAefdBdCefdDdEefdFdGefdHdIefdJdKefdLdMefdNdOefdPdQefdRdSefdTdUefdVdWefdXdYefdZd[efd\d]efd^d_efd`daefdbdcefdddeefdfdgefdhdidjdkdldmdndodpdqdrdsdtduddvefdw?Zdxdy ZG dzd{ d{ejZd|d} Z d~d Z!dddddddZ"dZ#d dddZ$dd Z%dd Z&dd Z'dd Z(dddZ)e
*ej+e)e e
,ej+e' e
-ej+g d e
.ej+d dS )    N   )Image	ImageFile)i16be)i32be)o8)o16be	deprecate)presetsc                 C   s&   t | jdd }t| j| d S )N   )i16fpreadr   
_safe_read)selfmarkern r   T/var/www/html/python-backend/venv/lib/python3.9/site-packages/PIL/JpegImagePlugin.pySkip8   s    r   c                 C   s  t | jdd }t| j|}d|d@  }|| j|< | j||f |dkr|d d dkrt |d | jd< }t	|d	| jd
< z |d }t |dt |df}W n t
y   Y n(0 |dkr|| jd< || jd< || jd< n\|dkr,|d d dkr,d| jvr>|| jd< | j | d | _n|dkrV|d d dkrV|| jd< n|dkr|d d dkr| j| n|dkr|d d dkrd}| jdi }	|||d  dkr>z|d7 }t ||}
|d7 }|| }|d| 7 }||d@ 7 }t||}|d7 }||||  }|
d kr\t|d!d" t |dt|dd" t |dd#}||	|
< ||7 }||d@ 7 }W n tjy   Y q>Y n0 qn|d$kr|d d d%krt |d| jd&< z|d' }W n ty   Y n0 || jd(< nF|dkr>|d d d)kr>|dd  | jd*< | j | d | jd+< d| jvrd| jv rz~|  }|d, }|d- }zt|d! |d  }W n ty   |}Y n0 t|rt|d.kr|d/9 }||f| jd< W n( tttttfy   d0| jd< Y n0 d S )1Nr   zAPP%d        s   JFIF   Zjfif   Zjfif_version      
   r   dpi	jfif_unitjfif_density  s   Exif exif     s   FPXR Zflashpix      ICC_PROFILE      s   Photoshop 3.0 	photoshops   8BIMi  r   i   )ZXResolutionZDisplayedUnitsXZYResolutionZDisplayedUnitsY  s   Adobeadobe   adobe_transforms   MPF mpZmpoffseti(  i     gRQ@)H   r1   )r   r   r   r   r   appapplistappendinfodivmod	ExceptiontellZ_exif_offseticclist
setdefaulti32structerror
IndexErrorgetexiffloat	TypeErrormathisnan
ValueErrorKeyErrorSyntaxErrorZeroDivisionError)r   r   r   sr2   versionr    r!   offsetr*   codeZname_lensizedatar.   r#   Zresolution_unitZx_resolutionr   r   r   r   APP=   s    








rN   c                 C   sJ   t | jdd }t| j|}|| jd< || jd< | jd|f d S )Nr   commentCOM)	r   r   r   r   r   r5   r2   r3   r4   )r   r   r   rH   r   r   r   rP      s
    

rP   c           
      C   s  t | jdd }t| j|}t |dt |df| _|d | _| jdkrbd| j d}t||d | _| jdkr~d	| _	n:| jdkrd
| _	n(| jdkrd| _	nd| j d}t||dv rd | j
d< | j
d< | jrD| j  | jd d t| jkr0g }| jD ]}||dd   q
d|}nd }|| j
d< g | _tdt|dD ]B}|||d  }	| j|	d |	d d |	d d@ |	d f qTd S )Nr   r0   r   r   r   zcannot handle z-bit layersr   LRGBr   CMYKz-layer images)        progressiveprogression   r)       icc_profiler$      r   )r   r   r   r   r   _sizebitsrF   layersmoder5   r9   sortlenr4   joinrangelayer)
r   r   r   rH   msgZprofilepr\   itr   r   r   SOF   s>    








rk   c                    s   t | jdd }t| j|}t|r|d }|d dkrBdnd}d|d  }t||k rjd}t|t|dkrzdnd|d|  tj	d	kr|dkr 
   fd
dtD | j|d@ < ||d  }q"d S )Nr   r   r]   r   @   zbad quantization table markerBHlittlec                    s   g | ]} | qS r   r   ).0ri   rM   r   r   
<listcomp>  r[   zDQT.<locals>.<listcomp>r   )r   r   r   r   r   rc   rF   arraysys	byteorderbyteswapzigzag_indexquantization)r   r   r   rH   v	precisionZ	qt_lengthrg   r   rq   r   DQT   s     r{   ZSOF0zBaseline DCTZSOF1zExtended Sequential DCTZSOF2zProgressive DCTZSOF3zSpatial losslessZDHTzDefine Huffman tableZSOF5zDifferential sequential DCTZSOF6zDifferential progressive DCTZSOF7zDifferential spatial)ZJPG	ExtensionNZSOF9zExtended sequential DCT (AC)ZSOF10zProgressive DCT (AC)ZSOF11zSpatial lossless DCT (AC)ZDACz%Define arithmetic coding conditioningZSOF13z Differential sequential DCT (AC)ZSOF14z!Differential progressive DCT (AC)ZSOF15zDifferential spatial (AC))ZRST0z	Restart 0N)ZRST1z	Restart 1N)ZRST2z	Restart 2N)ZRST3z	Restart 3N)ZRST4z	Restart 4N)ZRST5z	Restart 5N)ZRST6z	Restart 6N)ZRST7z	Restart 7N)ZSOIzStart of imageN)ZEOIzEnd of imageNZSOSzStart of scanzDefine quantization tableZDNLzDefine number of linesZDRIzDefine restart intervalZDHPzDefine hierarchical progressionZEXPzExpand reference componentZAPP0zApplication segment 0APP1zApplication segment 1ZAPP2zApplication segment 2ZAPP3zApplication segment 3ZAPP4zApplication segment 4ZAPP5zApplication segment 5ZAPP6zApplication segment 6ZAPP7zApplication segment 7ZAPP8zApplication segment 8ZAPP9zApplication segment 9ZAPP10zApplication segment 10ZAPP11zApplication segment 11ZAPP12zApplication segment 12ZAPP13zApplication segment 13ZAPP14zApplication segment 14ZAPP15zApplication segment 15)ZJPG0zExtension 0N)ZJPG1zExtension 1N)ZJPG2zExtension 2N)ZJPG3zExtension 3N)ZJPG4zExtension 4N)ZJPG5zExtension 5N)ZJPG6zExtension 6N)ZJPG7zExtension 7N)ZJPG8zExtension 8N)ZJPG9zExtension 9N)ZJPG10zExtension 10N)ZJPG11zExtension 11N)ZJPG12zExtension 12N)ZJPG13zExtension 13NComment)?i  i  rT   i  i  i  rU   i  i  i  rV   i  i  i  rW   i  i  i  i  i  i  i  i  i  i  i    i  i  i  i  i  r   r"   r%   i  i  i  i  i  i  i  i  i  i  r(   r+   i  i  i  i  i  i  i  i  i  i  i  i  i  i    i  c                 C   s   | d d dkS )Nr0   s   r   )prefixr   r   r   _acceptQ  s    r   c                   @   sL   e Zd ZdZdZdd Zdd Zdd Zd	d
 Zdd Z	dd Z
dd ZdS )JpegImageFileJPEGzJPEG (ISO 10918)c                 C   sH  | j d}t|s d}t|d}d | _| _g | _i | _i | _i | _	i | _
g | _g | _|d }|dkr|| j d }t|}n| j d}qZ|tv rt| \}}}|d ur|| | |dkr| j}| jdkrd	}d
d| j d|dffg| _qD| j d}qZ|dks|dkrd}qZ|dkr6| j d}qZd}t|qZd S )Nr0   znot a JPEG file   r      r   r   rS   CMYK;Ijpegr   r    i  i   zno marker found)r   r   r   rF   r_   r`   rf   Z
huffman_dcZ
huffman_acrx   r2   r3   r9   r   MARKERra   rL   tile)r   rH   rg   ri   namedescriptionhandlerrawmoder   r   r   _open^  sH    




zJpegImageFile._openc                 C   s.   | j |}|s*tjr*t| ds*d| _dS |S )z
        internal: read more image data
        For premature EOF and LOAD_TRUNCATED_IMAGES adds EOI marker
        so libjpeg can finish decoding
        _endedTs   )r   r   r   ZLOAD_TRUNCATED_IMAGEShasattrr   )r   
read_bytesrH   r   r   r   	load_read  s
    zJpegImageFile.load_readc                 C   sb  t | jdkrd S | jrd S | jd \}}}}d}| j}|d dkrZ|dv rZ|| _|df}|r"t| jd |d  | jd |d  }dD ]}	||	kr qq|d |d |d |d  |	 d |	 |d  |d |d  |	 d |	 |d  f}| jd |	 d |	 | jd |	 d |	 f| _|	}||||fg| _|df| _dd|d | |d | f}
| j|
fS )	Nr   r   rR   )rQ   YCbCrr   )r   r   r   r   r   r0   )rc   r   ZdecoderconfigrL   ra   minr^   )r   ra   rL   deoascaleZoriginal_sizerH   boxr   r   r   draft  s4    &"".
zJpegImageFile.draftc                 C   s   t  \}}t| tj| jr:tdd|| jg nd}t	|z`t
| }|  |j| _W d    n1 sx0    Y  W zt| W q ty   Y q0 n$zt| W n ty   Y n0 0 | jj| _| jj| _g | _d S )NZdjpeg-outfilezInvalid Filename)tempfilemkstemposclosepathexistsfilename
subprocess
check_callrD   r   openloadimunlinkOSErrorra   rL   r^   r   )r   fr   rg   Z_imr   r   r   
load_djpeg  s*    
(

zJpegImageFile.load_djpegc                 C   s   t | S N)_getexifr   r   r   r   r     s    zJpegImageFile._getexifc                 C   s   t | S r   )_getmpr   r   r   r   r     s    zJpegImageFile._getmpc                 C   sB   | j D ]6\}}|dkr|dd\}}|dkr| |  S qi S )z
        Returns a dictionary containing the XMP tags.
        Requires defusedxml to be installed.

        :returns: XMP tags in a dictionary.
        r}       r   s   http://ns.adobe.com/xap/1.0/)r3   rsplitZ_getxmp)r   segmentcontentr   Zxmp_tagsr   r   r   getxmp  s    zJpegImageFile.getxmpN)__name__
__module____qualname__formatformat_descriptionr   r   r   r   r   r   r   r   r   r   r   r   Z  s   3$r   c                 C   s   d| j vrd S |   S )Nr#   )r5   r?   Z_get_merged_dictr   r   r   r   r     s    
r   c              
   C   s@  z| j d }W n ty"   Y d S 0 t|}|d}|d d dkrLdnd}ddlm} z,||}||j	 |
| t|}W n2 ty } zd	}	t|	|W Y d }~n
d }~0 0 z|d
 }
W n2 ty } zd}	t|	|W Y d }~n
d }~0 0 g }z|d }td|
D ]}t| d||d }d}tt||}t|d d@ t|d d@ t|d d@ |d d@ d? |d d@ d? |d d@ d}|d dkrd|d< nd}	t|	ddd d!d"d#d$d%}||d& d'|d&< ||d< || q||d< W n4 ty: } zd(}	t|	|W Y d }~n
d }~0 0 |S ))Nr/   r   r   s   MM *><r   )TiffImagePluginz)malformed MP Index (unreadable directory)  z(malformed MP Index (no number of images)i  r   ZLLLHHr]   )	AttributeSizeZ
DataOffsetZEntryNo1ZEntryNo2r   l        i   @i    i      i      i )ZDependentParentImageFlagZDependentChildImageFlagZRepresentativeImageFlagReservedImageDataFormatMPTyper   r   z!unsupported picture format in MPO	Undefinedz Large Thumbnail (VGA Equivalent)z$Large Thumbnail (Full HD Equivalent)zMulti-Frame Image (Panorama)zMulti-Frame Image: (Disparity)z Multi-Frame Image: (Multi-Angle)zBaseline MP Primary Image)r   i  i  i  i  i  i   r   Unknownz!malformed MP Index (bad MP Entry))r5   rE   ioBytesIOr   r   r   ZImageFileDirectory_v2seeknextr   dictr7   rF   re   r<   unpack_fromzipboolgetr4   )r   rM   file_contentsheadZ
endiannessr   r5   r/   r   rg   ZquantZ	mpentriesZrawmpentriesZentrynumZunpackedentrylabelsZmpentryZmpentryattrZ	mptypemapr   r   r   r     sr    



  

	 r   rQ   rR   r   r   )1rQ   rR   ZRGBXrS   r   )@r   r   r   r$   r)   r   r      r   r   r   rZ   r]         *   r0   r   r&            )   +   	   r-      r      (   ,   5   r             '   -   4   6         !   &   .   3   7   <      "   %   /   2   8   ;   =   #   $   0   1   9   :   >   ?   r   ))r   r   r   r   r   r   )r   r   r   r   r   r   )r   r   r   r   r   r   c                 C   s   t dddd | S )Nconvert_dict_qtablesr   zConversion is no longer needed)actionr	   qtablesr   r   r   r  g  s    r  c                 C   sZ   t | dr| jdv rdS | jd dd | jd dd  | jd dd  }t|dS )Nr`   )r   r   r   r   r0   r   )r   r`   rf   	samplingsr   )r   Zsamplingr   r   r   get_samplingl  s    6r  c                 C   s   | j dks| jdkr d}t|zt| j }W n< tyj } z$d| j d}t||W Y d }~n
d }~0 0 | j}dd |ddD }|d	d
}|dd
}	|d}
|dkrd
}d}	d}
n|t	v rt	| }d
}|dd
}	|d}
nXt
|tsd}t|n>|	t	v r t	|	 dd
}	t
|
trD|
t	v rDt	|
 d}
|	dkrTd}	nZ|	dkrdd}	nJ|	dkrtd}	n:|	dkrd}	n*|	dkr| jdkrd}t|t| }	dd }|
dkr| jdkrd}t|t| dd }
||
}
|dd}d}|d}|rd}|| }g }|rD||d |  ||d  }qd}|D ]J}td| t| }|d| d  t| tt| | 7 }|d7 }qL|d!| jd!}|d"d#p|d$d#}|d%d#}|d&d}t
|tjr| }t||krd'}t||||d(d||d)d|d |d |	|
|||f| _d}|sT|r| jd*krzd+| jd  | jd  }nB|d,ks|d
krd| jd  | jd  }n| jd | jd  }ttj|t|d- t|d }t| |d.d| j d|fg| d S )/Nr   z cannot write empty image as JPEGzcannot write mode z as JPEGc                 S   s   g | ]}t |qS r   )round)rp   xr   r   r   rr     r[   z_save.<locals>.<listcomp>r   r   qualityr
  subsamplingr	  Zkeeprx   zInvalid quality settingz4:4:4z4:2:2r   z4:2:0r   z4:1:1r   z3Cannot use 'keep' when original image is not a JPEGc                    sl  d u rS t tr~zdd  D  W n2 ty^ } zd}t||W Y d }~n(d }~0 0  fddtdt dD t tttfrht trfddttD nt trtdt  k rdk sn d	}t|t	D ]l\}}z"t|dkrt
td
|}W n4 t
yT } zd}t||W Y d }~qd }~0 0 t||< qS d S )Nc                 S   s.   g | ]&}| d dd   D ]}t|qqS )#r   r   )splitint)rp   linenumr   r   r   rr     s   z3_save.<locals>.validate_qtables.<locals>.<listcomp>zInvalid quantization tablec                    s   g | ]} ||d   qS )rl   r   )rp   rH   )linesr   r   rr     r[   r   rl   c                    s   g | ]}| v r | qS r   r   )rp   keyr  r   r   rr     s   r   z$None or too many quantization tablesrn   )
isinstancestr
splitlinesrD   re   rc   tuplelistr   	enumeraterA   rs   )r	  r   rg   idxtabler   )r  r	  r   validate_qtables  s>    

 



 z_save.<locals>.validate_qtablesextrar[   r   r\   r)   s   r'   rO   rX   FrY   optimizer#   zEXIF data is too longZsmoothZ
streamtyperS   r   _   r   r   )widthheightrD   RAWMODEra   rE   r   Zencoderinfor   r   r  r  r  r   r  getattrr4   o16rc   r   r5   r   ZExiftobytesZencoderconfigrL   maxr   ZMAXBLOCK_save)r   r   r   rg   r   r   r5   r   r  r  r	  presetr   r!  ZMAX_BYTES_IN_MARKERr\   ZICC_OVERHEAD_LENZMAX_DATA_BYTES_IN_MARKERmarkersri   r   rL   rO   rX   r"  r#   bufsizer   r   r   r+  z  s     







%




 r+  c                 C   s@   |   }tdd||g zt| W n ty:   Y n0 d S )NZcjpegr   )_dumpr   r   r   r   r   )r   r   r   r   r   r   r   _save_cjpeg)  s    r0  c              	   C   sp   t | |}z0| }|d dkr8ddlm} |||}W n0 ttfyP   Y n tyj   t	d Y n0 |S )Nr   r   )MpoImageFilezTImage appears to be a malformed MPO file, it will be interpreted as a base JPEG file)
r   r   ZMpoImagePluginr1  ZadoptrA   r>   rF   warningswarn)r   r   r   Zmpheaderr1  r   r   r   jpeg_factory5  s    

r4  )z.jfifz.jpez.jpgz.jpegz
image/jpeg)NN)/rs   r   rB   r   r<   r   rt   r   r2  r   r   r   _binaryr   r   r   r;   r   r   r(  Z
_deprecater
   ZJpegPresetsr   r   rN   rP   rk   r{   r   r   r   r   r   r&  rw   r  r  r  r+  r0  r4  Zregister_openr   Zregister_saveZregister_extensionsZregister_mimer   r   r   r   <module>"   s   y2C	 P
 0
