U
    '1er                  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
 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$d%efd&d'efd(d)efd*d+efd,d-efd.d/efd0d1efd2d3d4d5d6d7d8d9d:d;d<d=efdd>efd?d@efdAdBefdCdDefdEdFefdGdHefdIdJefdKdLefdMdNefdOdPefdQdRefdSdTefdUdVefdWdXefdYdZefd[d\efd]d^efd_d`efdadbefdcddefdedfefdgdhdidjdkdldmdndodpdqdrdsdtdduefdv?Zdwdx ZG dydz dzejZd{d| Zd}d~ ZdddddddZ dZ!d dddZ"dd Z#dd Z$dd Z%dddZ&e
'ej(e&e e
)ej(e$ e
*ej(ddddg e
+ej(d dS )    N   )Image	ImageFile)i16be)i32be)o8)o16be)presetsc                 C   s&   t | jdd }t| j| d S )N   )i16fpreadr   
_safe_read)selfmarkern r   7/tmp/pip-unpacked-wheel-zvj9szaa/PIL/JpegImagePlugin.pySkip7   s    r   c                 C   s  t | jdd }t| j|}d|d@  }|| j|< | j||f |dkr|d d dkrt |d | jd< }t	|d	| jd
< z |d }t |dt |df}W n t
k
r   Y n(X |dkr|| jd< || jd< || jd< n`|dkr.|d d dkr.d| jkrD|| jd< | j | d | _n|dkrX|d d dkrX|| jd< n|dkr|d d dkr| j| n|dkr|d d dkrd}| jdi }	|||d  dkrDz|d7 }t ||}
|d7 }|| }|d| 7 }||d@ 7 }t||}|d7 }||||  }|
d kr^t|d!d" t |dt|dd" t |dd#}||	|
< ||7 }||d@ 7 }W n tjk
r   Y qDY nX qn|d$kr|d d d%krt |d| jd&< z|d' }W n tk
r   Y nX || jd(< nF|dkrD|d d d)krD|dd  | jd*< | j | d | jd+< d| jkrd| jkrz|  }|d, }|d- }zt|d! |d  }W n tk
r   |}Y nX t|rt|d.kr|d/9 }||f| jd< W n. tjtttttfk
r
   d0| jd< Y nX 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   r/   )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   sr0   versionr   r   offsetr(   codeZname_lensizedatar,   r!   Zresolution_unitZx_resolutionr   r   r   r   APP<   s    








rL   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   r3   r0   r1   r2   )r   r   r   rF   r   r   r   rN      s
    

rN   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k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
   r.   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bitsrD   layers_moder3   r7   sortlenr2   joinrangelayer)
r   r   r   rF   msgZprofileprZ   itr   r   r   SOF   s>    








ri   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   ).0rg   rK   r   r   
<listcomp>  s     zDQT.<locals>.<listcomp>r   )r   r   r   r   r   ra   rD   arraysys	byteorderZbyteswapzigzag_indexquantization)r   r   r   rF   vZ	precisionZ	qt_lengthre   r   ro   r   DQT   s     rw   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  rR   i  i  i  rS   i  i  i  rT   i  i  i  rU   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 )Nr.   s   r   )prefixr   r   r   _acceptX  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krt| \}}}|d k	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 )Nr.   znot a JPEG file   r      r   r{   rQ   CMYK;Ijpegr   r    i  i   zno marker found)r   r   r~   rD   r]   r^   rd   Z
huffman_dcZ
huffman_acru   r0   r1   r7   r   MARKERmoderJ   tile)r   rF   re   rg   namedescriptionhandlerrawmoder   r   r   _opene  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_bytesrF   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k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   rP   )rO   YCbCrr   )r   r   r
   r   r
   r.   )ra   r   ZdecoderconfigrJ   r_   minr\   r   )r   r   rJ   deoaZscaleZoriginal_sizerF   Zboxr   r   r   draft  s4    &"".
zJpegImageFile.draftc                 C   s   t  \}}t| tj| jr:tdd|| jg n0zt	| W n t
k
r\   Y nX d}t|z*t|}|  |j| _W 5 Q R X W 5 zt	| W n t
k
r   Y nX X | jj| _| jj| _g | _d S )NZdjpeg-outfilezInvalid Filename)tempfilemkstemposclosepathexistsfilename
subprocess
check_callunlinkOSErrorrB   r   openloadimr   r_   rJ   r\   r   )r   fr   re   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   sH   | j D ]<\}}|dkr|d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.
        ry       Nr
   s   http://ns.adobe.com/xap/1.0/)r1   splitZ_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   a  s   3$r   c                 C   s   d| j krd S |   S )Nr!   )r3   r=   Z_get_merged_dictr   r   r   r   r     s    
r   c              
   C   s<  z| j d }W n tk
r$   Y d S X t|}|d}|d d dkrNdnd}ddlm} z,||}||j	 |
| t|}W n0 tk
r } zd	}	t|	|W 5 d }~X Y nX z|d
 }
W n0 tk
r } zd}	t|	|W 5 d }~X Y nX 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$d%}||d& d'|d&< ||d< || q||d< W n2 tk
r6 } zd(}	t|	|W 5 d }~X Y nX |S ))Nr-   r   r   s   MM *><r   )TiffImagePluginz)malformed MP Index (unreadable directory)  z(malformed MP Index (no number of images)i  r   ZLLLHHr[   )	AttributeSizeZ
DataOffsetZEntryNo1ZEntryNo2r   l        i   @i    i      i      i )ZDependentParentImageFlagZDependentChildImageFlagZRepresentativeImageFlagZReservedImageDataFormatMPTyper   r   z!unsupported picture format in MPO	Undefinedz Large Thumbnail (VGA Equivalent)z$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))r3   rC   ioBytesIOr   r   r   ZImageFileDirectory_v2seeknextr   dictr5   rD   rc   r:   unpack_fromzipboolgetr2   )r   rK   file_contentsheadZ
endiannessr   r3   r-   r   re   ZquantZ	mpentriesZrawmpentriesZentrynumZunpackedentrylabelsZmpentryZmpentryattrZ	mptypemapr   r   r   r     sv    



  

	r   rO   rP   r   r   )1rO   rP   ZRGBXrQ   r   )@r   r   r   r"   r'   r   r      r
   r   r   rX   r[         *   r.   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   sZ   t | dr| jdkrdS | jd dd | jd dd  | jd dd  }t|dS )Nr^   )r   r   r   r   r.   r
   )r   r^   rd   	samplingsr   )r   Zsamplingr   r   r   get_samplings  s    6r  c                 C   s(  | j dks| jdkr d}t|zt| j }W n: tk
rh } zd| j d}t||W 5 d }~X Y nX | j}dd |ddD }|d	d
}|dd
}	|d}
|dkrd
}d}	d}
n|t	krt	| }d
}|dd
}	|d}
nXt
|tsd}t|n>|	t	krt	|	 dd
}	t
|
trB|
t	krBt	|
 d}
|	dkrRd}	nZ|	dkrbd}	nJ|	dkrrd}	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 }|rB||d |  ||d  }qd}|D ]J}td| t| }|d| d  t| tt| | 7 }|d7 }qJ|d!| jd!}|d"d#p|d$d#}|d%d#}|d&d}t
|tjr| }t||krd'}t||||d(d||d)d|d |d |	|
|||f| _d}|sR|r| jd*krxd+| jd  | jd  }nB|d,ks|d
krd| jd  | jd  }n| jd | jd  }|r|t|d- 7 }|r|t|d 7 }nt|t|d- t|d }t| |d.d| j d|fg| d S )/Nr   z cannot write empty image as JPEGzcannot write mode z as JPEGc                 S   s   g | ]}t |qS r   )round)rn   xr   r   r   rp     s     z_save.<locals>.<listcomp>r   r   qualityr   subsamplingqtablesZkeepru   zInvalid quality settingz4:4:4z4:2:2r   z4:2:0r
   z4:1:1r   z3Cannot use 'keep' when original image is not a JPEGc                    sh  d krS t tr|zdd  D  W n0 tk
r\ } zd}t||W 5 d }~X Y n X  fddtdt dD t tttfrdt trfddttD nt trtdt  k rdk sn d	}t|t	D ]j\}}z"t|dkrt
td
|}W n2 t
k
rP } zd}t||W 5 d }~X Y qX t||< qS d S )Nc                 S   s.   g | ]&}| d dd   D ]}t|qqS )#r   r   )r   int)rn   linenumr   r   r   rp     s    z3_save.<locals>.validate_qtables.<locals>.<listcomp>zInvalid quantization tablec                    s   g | ]} ||d   qS )rj   r   )rn   rF   )linesr   r   rp     s     r   rj   c                    s   g | ]}| kr | qS r   r   )rn   key)r  r   r   rp     s     r   z$None or too many quantization tablesrl   )
isinstancestr
splitlinesrB   rc   ra   tuplelistr   	enumerater?   rq   )r  r   re   idxtabler   )r  r  r   validate_qtables  s>    





z_save.<locals>.validate_qtablesextrarY   r|   rZ   r'   s   r%   rM   rV   FrW   optimizer!   zEXIF data is too longZsmoothZ
streamtyperQ   r   _   r   r   )widthheightrB   RAWMODEr   rC   r   Zencoderinfor   r	   r  r	  r  r   r  getattrr2   o16ra   r   r3   r   ZExiftobytesZencoderconfigrJ   maxr   _save)r   r   r   re   r   r   r3   r   r  r  r  presetr  r  ZMAX_BYTES_IN_MARKERrZ   ZICC_OVERHEAD_LENZMAX_DATA_BYTES_IN_MARKERmarkersrg   r   rJ   rM   rV   r  r!   bufsizer   r   r   r!    s    







%




r!  c                 C   sB   |   }tdd||g zt| W n tk
r<   Y nX d S )NZcjpegr   )_dumpr   r   r   r   r   )r   r   r   r   r   r   r   _save_cjpeg4  s    r&  c              	   C   st   t | |}z0| }|d dkr8ddlm} |||}W n4 ttfk
rR   Y n tk
rn   t	d Y nX |S )Nr   r   )MpoImageFilezTImage appears to be a malformed MPO file, it will be interpreted as a base JPEG file)
r   r   ZMpoImagePluginr'  Zadoptr?   r<   rD   warningswarn)r   r   r   Zmpheaderr'  r   r   r   jpeg_factory@  s    

r*  z.jfifz.jpez.jpgz.jpegz
image/jpeg)NN),rq   r   r@   r   r:   r   rr   r   r(  r   r   r   _binaryr   r   r   r9   r   r   r  ZJpegPresetsr	   r   rL   rN   ri   rw   r   r~   r   r   r   r  rt   r  r  r!  r&  r*  Zregister_openr   Zregister_saveZregister_extensionsZregister_mimer   r   r   r   <module>"   s    2C	 !P
 4
