U
    Evfs                  A   @  s  d dl m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
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$d%d&efd'd(efd)d*efd+d,efd-d.efd/d0efd1d2efd3d4d5d6d7d8d9d:d;d<d=d>efdd?efd@dAefdBdCefdDdEefdFdGefdHdIefdJdKefdLdMefdNdOefdPdQefdRdSefdTdUefdVdWefdXdYefdZd[efd\d]efd^d_efd`daefdbdcefdddeefdfdgefdhdidjdkdldmdndodpdqdrdsdtduddvefdw?Zdxdy ZG dzd{ d{ejZd|d} Z d~d Z!dddddddZ"dZ#d dddZ$dd Z%dd Z&dd Z'dddZ(e)ej*e(e e+ej*e& e,ej*ddddg e-ej*d dS )    )annotationsN   )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-ciywl2yd/PIL/JpegImagePlugin.pySkip9   s    r   c                 C  s4  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rJ|d d dkrJd| jkr(| jd  |dd  7  < n|| jd< | j | d | _n|dkrt|d d dkrt|| 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rzt|d!d" t |dt|dd" t |dd#}||	|
< ||7 }||d@ 7 }W n tjk
r   Y q`Y nX qn|d$kr|d d d%krt |d| jd&< z|d' }W n tk
r   Y nX || jd(< nF|dkr`|d d d)kr`|dd  | jd*< | j | d | jd+< d| jkr0d| jkr0z|  }|d, }|d- }zt|d! |d  }W n tk
r   |}Y nX t|rd.}t||d/kr|d09 }||f| jd< W n. tjtttttfk
r.   d1| jd< Y nX d S )2Nr   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  zDPI is not a number   gRQ@)H   r0   )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   sr1   versionr   r    offsetr)   codeZname_lensizedatar-   r#   Zresolution_unitZx_resolutionr   msgr   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   r4   r1   r2   r3   )r   r   r   rG   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krd | j
d< | j
d< | jr0| j  | jd d t| jkrdd | jD }d|}nd }|| j
d< g | _tdt|dD ]B}|||d  }| j|d |d d |d d@ |d f q@d S )Nr   r/   r   r   r   zcannot handle z-bit layersr   LRGBr   CMYKz-layer images)        progressiveprogression   c                 S  s   g | ]}|d d qS )r(   Nr   ).0pr   r   r   
<listcomp>   s     zSOF.<locals>.<listcomp>    icc_profiler"      r   )r   r   r   r   r   _sizebitsrE   layers_moder4   r8   sortlenjoinrangelayerr3   )	r   r   r   rG   rM   Zprofiler_   itr   r   r   SOF   s:    







rl   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   )r[   rj   rL   r   r   r]     s     zDQT.<locals>.<listcomp>r   )r   r   r   r   r   rf   rE   arraysys	byteorderZbyteswapzigzag_indexquantization)r   r   r   rG   vZ	precisionZ	qt_lengthrM   r   rq   r   DQT   s     rx   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 )Nr/   s   r   )prefixr   r   r   _accept[  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  s>  | 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| _q:| j d}qZ|dkrd}qZ|dkr,| j d}qZd}t|qZd S )Nr/   znot a JPEG file   r      r   r|   rS   CMYK;Ijpegr   r    >   r     i   zno marker found)r   r   r   rE   rb   rc   ri   Z
huffman_dcZ
huffman_acrv   r1   r2   r8   r   MARKERmoderK   tile)r   rG   rM   rj   namedescriptionhandlerrawmoder   r   r   _openh  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_bytesrG   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   rR   )rQ   YCbCrr   )r   r   r   r   r   r/   )rf   r   ZdecoderconfigrK   rd   minra   r   )r   r   rK   deoaZscaleZoriginal_sizerG   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OSErrorrC   r   openloadimr   rd   rK   ra   r   )r   fr   rM   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.
        rz       Nr   s   http://ns.adobe.com/xap/1.0/)r2   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   d  s   3$r   c                 C  s   d| j krd S |   S )Nr#   )r4   r>   Z_get_merged_dictr   r   r   r   r     s    
r   c              
   C  s<  z| j d }W n tk
r$   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))r4   rD   ioBytesIOr   r   r   ZImageFileDirectory_v2seeknextr   dictr6   rE   rh   r;   unpack_fromzipboolgetr3   )r   rL   file_contentsheadZ
endiannessr   r4   r.   r   rM   ZquantZ	mpentriesZrawmpentriesZentrynumZunpackedentrylabelsZmpentryZmpentryattrZ	mptypemapr   r   r   r   
  sv    



  

	r   rQ   rR   r   r   )1rQ   rR   ZRGBXrS   r   )@r   r   r   r"   r(   r   r      r   r   r   rZ   r`         *   r/   r   r%            )   +   	   r,      r      (   ,   5   r             '   -   4   6         !   &   .   3   7   <      "   %   /   2   8   ;   =   #   $   0   1   9   :   >   ?   r   ))r   r   r   r   r   r   )r   r   r   r   r   r   )r   r   r   r   r   r   c                 C  sZ   t | dr| jdkrdS | jd dd | jd dd  | jd dd  }t|dS )Nrc   )r   r   r   r   r/   r   )r   rc   ri   	samplingsr   )r   Zsamplingr   r   r   get_samplingv  s    6r  c                 C  sF  | j dks| jdkr d}t|zt| j }W n: tk
rh } zd| j d}t||W 5 d }~X Y nX | j}dd |ddD }|d	d
}|dd
}	|d}
|dkrd
}d}	d}
n|t	krt	| }d
}|dd
}	|d}
nXt
|tsd}t|n>|	t	krt	|	 dd
}	t
|
trB|
t	krBt	|
 d}
|	dkrRd}	nZ|	dkrbd}	nJ|	dkrrd}	n:|	dkrd}	n*|	dkr| jdkrd}t|t| }	dd }|
dkr| jdkrd}t|t| dd }
||
}
|dd}d}|d}|rd}|| }g }|rB||d |  ||d  }qd}|D ]J}td| t| }|d| d  t| tt| | 7 }|d7 }qJ|d!| jd!}|d"d#p|d$d#}|d%d#}|d&d}t
|tjr| }t||krd'}t||||d(d||d)d#|d*d|d |d |	|d+d|d,d|
|||f| _d}|sp|r| jd-krd.| jd  | jd  }nB|d/ks|d
krd| jd  | jd  }n| jd | jd  }|r|t|d0 7 }|r"|t|d 7 }nt|t|d0 t|d }t| |d1d| j d|fg| d S )2Nr   z cannot write empty image as JPEGzcannot write mode z as JPEGc                 S  s   g | ]}t |qS r   )round)r[   xr   r   r   r]     s     z_save.<locals>.<listcomp>r   r   qualityr  subsamplingqtablesZkeeprv   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                   sp  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rlt trfddttD nt trtdt  k rdk sn d	}t|t	D ]r\}}z*t|dkrd}t
|td
|}W n2 t
k
rX } 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)r[   linenumr   r   r   r]     s    z3_save.<locals>.validate_qtables.<locals>.<listcomp>zInvalid quantization tablec                   s   g | ]} ||d   qS )rm   r   )r[   rG   )linesr   r   r]     s     r   rm   c                   s   g | ]}| kr | qS r   r   )r[   key)r	  r   r   r]     s     r   z$None or too many quantization tablesro   )
isinstancestr
splitlinesrC   rh   rf   tuplelistr   	enumerater@   rr   )r	  r   rM   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keep_rgbZ
streamtypeZrestart_marker_blocksZrestart_marker_rowsrS   r   _   r   r   )widthheightrC   RAWMODEr   rD   r   Zencoderinfor   r
   r  r  r  r   r  getattrr3   o16rf   r   r4   r   ZExiftobytesZencoderconfigrK   maxr   _save)r   r   r   rM   r   r   r4   r   r  r  r	  presetr  r  ZMAX_BYTES_IN_MARKERr_   ZICC_OVERHEAD_LENZMAX_DATA_BYTES_IN_MARKERmarkersrj   r   rK   rO   rX   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_cjpeg;  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=   rE   warningswarn)r   r   r   Zmpheaderr)  r   r   r   jpeg_factoryG  s    

r,  z.jfifz.jpez.jpgz.jpegz
image/jpeg)NN).
__future__r   rr   r   rA   r   r;   r   rs   r   r*  r   r   r   _binaryr   r   r   r:   r   r	   r   ZJpegPresetsr
   r   rN   rP   rl   rx   r   r   r   r   r   r  ru   r  r  r#  r(  r,  Zregister_openr   Zregister_saveZregister_extensionsZregister_mimer   r   r   r   <module>"   s    0C	 !P
 8
