a
    Sic                     @   sB  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 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lmZ ddlmZ dd	lmZ dd
lmZ eeZedjZdZ ddddddddddddddddZ!edZ"ej#Z$de$ Z%G dd  d eZ&G d!d" d"eZ'd#d$ Z(d%d& Z)dUd'd(Z*G d)d* d*Z+G d+d, d,e,Z-G d-d. d.Z.G d/d0 d0e+Z/d1d2 Z0G d3d4 d4ejZ1d5d6d7d8d9d:d;d;d<d=d>d?d@dAdBZ2dCdD Z3G dEdF dFZ4G dGdH dHZ5dIdJ Z6dKdL Z7e3dMfdNdOZ8dPdQ Z9e	:e1j;e1e0 e	<e1j;e8 e	=e1j;e7 e	>e1j;dRdSg e	?e1j;dT dS )V    N)IntEnum   )Image
ImageChops	ImageFileImagePaletteImageSequence)i16be)i32be)o8)o16be)o32be)	deprecates   \w\w\w\ws   PNG

)1r   )LL;2)r   L;4)r   r   )II;16B)RGBr   )r   zRGB;16B)PP;1)r   P;2)r   P;4)r   r   )LAr   )RGBAzLA;16B)r   r   )r   zRGBA;16B))r   r   )   r   )   r   )   r   )   r   )r   r   )r   r   )r      )r   r    )r   r    )r   r    )r   r   )r   r   )r      )r   r!   s   ^* *$@   c                   @   s   e Zd ZdZdZdZdS )Disposalr   r   r   N)__name__
__module____qualname__OP_NONEOP_BACKGROUNDOP_PREVIOUS r*   r*   N/var/www/html/django/DPS/env/lib/python3.9/site-packages/PIL/PngImagePlugin.pyr#   c   s   r#   c                   @   s   e Zd ZdZdZdS )Blendr   r   N)r$   r%   r&   	OP_SOURCEOP_OVERr*   r*   r*   r+   r,   x   s   r,   c                 C   s   t dtdi D ]X\}}| |r| t|d  } | |jv rt| |  d|j d|   ||    S qtdt d|  dd S )NZAPNG_DISPOSE_ZAPNG_BLEND_
   .zmodule 'z' has no attribute '')	r#   r,   items
startswithlen__members__r   r$   AttributeError)nameenumprefixr*   r*   r+   __getattr__   s    

 r:   c                 C   s&   t  }|| t}|jr"td|S )NzDecompressed Data Too Large)zlibdecompressobj
decompressMAX_TEXT_CHUNKunconsumed_tail
ValueError)sZdobjZ	plaintextr*   r*   r+   _safe_zlib_decompress   s
    rB   c                 C   s   t | |d@ S )Nl    )r;   crc32)dataseedr*   r*   r+   _crc32   s    rF   c                   @   s^   e 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d Z
dd ZdddZdS )ChunkStreamc                 C   s   || _ g | _d S N)fpqueueselfrI   r*   r*   r+   __init__   s    zChunkStream.__init__c                 C   s~   d}| j r(| j  \}}}| j| n*| jd}|dd }| j }t|}t|sttj	stt
dt| d|||fS )z.Fetch a new chunk. Returns header information.Nr   r   zbroken PNG file (chunk ))rJ   poprI   seekreadtelli32is_cidr   LOAD_TRUNCATED_IMAGESSyntaxErrorrepr)rL   cidposlengthrA   r*   r*   r+   rQ      s    
zChunkStream.readc                 C   s   | S rH   r*   rL   r*   r*   r+   	__enter__   s    zChunkStream.__enter__c                 G   s   |    d S rH   )close)rL   argsr*   r*   r+   __exit__   s    zChunkStream.__exit__c                 C   s   d  | _  | _| _d S rH   )rJ   crcrI   r[   r*   r*   r+   r]      s    zChunkStream.closec                 C   s   | j |||f d S rH   )rJ   appendrL   rX   rY   rZ   r*   r*   r+   push   s    zChunkStream.pushc                 C   s*   t d||| t| d|d ||S )z"Call the appropriate chunk handlerzSTREAM %r %s %sZchunk_ascii)loggerdebuggetattrdecoderb   r*   r*   r+   call   s    zChunkStream.callc              
   C   s   t jr&|d d? d@ r&| || dS z>t|t|}t| jd}||krbtdt| dW n< t	j
y } z"tdt| d|W Y d}~n
d}~0 0 dS )	zRead and verify checksumr      r   Nr   z(broken PNG file (bad header checksum in rN   z(broken PNG file (incomplete checksum in )r   rU   crc_skiprF   rS   rI   rQ   rV   rW   structerror)rL   rX   rD   Zcrc1Zcrc2er*   r*   r+   r`      s     zChunkStream.crcc                 C   s   | j d dS )z3Read checksum.  Used if the C module is not presentr   N)rI   rQ   )rL   rX   rD   r*   r*   r+   rk      s    zChunkStream.crc_skip   IENDc              
   C   sx   g }z|   \}}}W n0 tjyF } ztd|W Y d }~n
d }~0 0 ||krRqt| |t| j| || q|S )Nztruncated PNG file)	rQ   rl   rm   OSErrorr`   r   
_safe_readrI   ra   )rL   ZendchunkZcidsrX   rY   rZ   rn   r*   r*   r+   verify   s     zChunkStream.verifyN)ro   )r$   r%   r&   rM   rQ   r\   r_   r]   rc   ri   r`   rk   rr   r*   r*   r*   r+   rG      s   rG   c                   @   s   e Zd ZdZedddZdS )iTXtzq
    Subclass of string to allow iTXt chunks to look like strings while
    keeping their extra information

    Nc                 C   s   t | |}||_||_|S )z
        :param cls: the class to use when creating the instance
        :param text: value for this key
        :param lang: language code
        :param tkey: UTF-8 version of the key name
        )str__new__langtkey)clstextrv   rw   rL   r*   r*   r+   ru     s    	ziTXt.__new__)NN)r$   r%   r&   __doc__staticmethodru   r*   r*   r*   r+   rs      s   rs   c                   @   s6   e Zd ZdZdd ZdddZddd	Zdd
dZdS )PngInfoz<
    PNG chunk container (for use with save(pnginfo=))

    c                 C   s
   g | _ d S rH   )chunksr[   r*   r*   r+   rM     s    zPngInfo.__init__Fc                 C   s*   ||g}|r| d | j t| dS )a"  Appends an arbitrary chunk. Use with caution.

        :param cid: a byte string, 4 bytes long.
        :param data: a byte string of the encoded data
        :param after_idat: for use with private chunks. Whether the chunk
                           should be written after IDAT

        TN)ra   r}   tuple)rL   rX   rD   
after_idatchunkr*   r*   r+   add  s    

zPngInfo.add c                 C   s   t |ts|dd}t |ts,|dd}t |tsB|dd}t |tsX|dd}|r| d|d | d | d t|  n$| d|d | d | d |  dS )	zAppends an iTXt chunk.

        :param key: latin-1 encodable text key name
        :param value: value for this key
        :param lang: language code
        :param tkey: UTF-8 version of the key name
        :param zip: compression flag

        latin-1strictutf-8   iTXts         s      N)
isinstancebytesencoder   r;   compress)rL   keyvaluerv   rw   zipr*   r*   r+   add_itxt*  s    



 zPngInfo.add_itxtc                 C   s   t |tr"| j|||j|j|dS t |ts`z|dd}W n" ty^   | j|||d Y S 0 t |tsv|dd}|r| d|d t	
|  n| d|d |  dS )	zAppends a text chunk.

        :param key: latin-1 encodable text key name
        :param value: value for this key, text or an
           :py:class:`PIL.PngImagePlugin.iTXt` instance
        :param zip: compression flag

        )r   r   r      zTXt        tEXtr   N)r   rs   r   rv   rw   r   r   UnicodeErrorr   r;   r   )rL   r   r   r   r*   r*   r+   add_textF  s    	


zPngInfo.add_textN)F)r   r   F)F)r$   r%   r&   rz   rM   r   r   r   r*   r*   r*   r+   r|     s
   

r|   c                       s   e Zd Z fddZdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Z  ZS )+	PngStreamc                    sR   t  | i | _i | _d| _d | _d | _d | _d | _d | _	d | _
d | _d| _d S )Nr   r   r   )superrM   im_infoim_textim_sizeim_modeim_tile
im_paletteim_custom_mimetypeim_n_frames_seq_numrewind_statetext_memoryrK   	__class__r*   r+   rM   g  s    zPngStream.__init__c                 C   s.   |  j |7  _ | j tkr*td| j  dd S )Nz%Too much memory used in text chunks: z>MAX_TEXT_MEMORY)r   MAX_TEXT_MEMORYr@   )rL   Zchunklenr*   r*   r+   check_text_memoryx  s    
zPngStream.check_text_memoryc                 C   s   | j  | j| jd| _d S )N)infotileseq_num)r   copyr   r   r   r[   r*   r*   r+   save_rewind  s    zPngStream.save_rewindc                 C   s(   | j d | _| j d | _| j d | _d S )Nr   r   r   )r   r   r   r   r[   r*   r*   r+   rewind  s    zPngStream.rewindc                 C   s   t | j|}|d}td|d |  td||  || }|dkr\td| dzt||d d  }W n6 ty   t j	rd }n Y n t
jy   d }Y n0 || jd< |S )	Nr   ziCCP profile name %rzCompression method %sr   Unknown compression method z in iCCP chunkr   icc_profile)r   rq   rI   findre   rf   rV   rB   r@   rU   r;   rm   r   )rL   rY   rZ   rA   icomp_methodr   r*   r*   r+   
chunk_iCCP  s"    


zPngStream.chunk_iCCPc                 C   s   t | j|}|dk r(t jr |S tdt|dt|df| _z t|d |d f \| _| _	W n t
yp   Y n0 |d rd| jd	< |d
 rtd|S )N   zTruncated IHDR chunkr   r   r   	      r   	interlace   zunknown filter category)r   rq   rI   rU   r@   rS   r   _MODESr   
im_rawmode	Exceptionr   rV   rL   rY   rZ   rA   r*   r*   r+   
chunk_IHDR  s     
zPngStream.chunk_IHDRc                 C   s`   d| j v r"d| j d || jfg}n*| jd ur6d| j d< dd| j || jfg}|| _|| _td S )Nbboxr   Tdefault_imager   )r   r   r   r   r   Zim_idatEOFError)rL   rY   rZ   r   r*   r*   r+   
chunk_IDAT  s    


zPngStream.chunk_IDATc                 C   s   t d S rH   )r   )rL   rY   rZ   r*   r*   r+   
chunk_IEND  s    zPngStream.chunk_IENDc                 C   s&   t | j|}| jdkr"d|f| _|S )Nr   r   )r   rq   rI   r   r   r   r*   r*   r+   
chunk_PLTE  s    

zPngStream.chunk_PLTEc                 C   s   t | j|}| jdkrLt|r@|d}|dkrJ|| jd< q|| jd< nD| jdv rft|| jd< n*| jdkrt|t|dt|df| jd< |S )	Nr   r   r   transparencyr   r   r   r   r   r   )	r   rq   rI   r   _simple_palettematchr   r   i16)rL   rY   rZ   rA   r   r*   r*   r+   
chunk_tRNS  s    




 zPngStream.chunk_tRNSc                 C   s$   t | j|}t|d | jd< |S )N     j@gamma)r   rq   rI   rS   r   r   r*   r*   r+   
chunk_gAMA  s    zPngStream.chunk_gAMAc                 C   sB   t | j|}tdt|d  |}tdd |D | jd< |S )Nz>%dIr   c                 s   s   | ]}|d  V  qdS )r   Nr*   ).0eltr*   r*   r+   	<genexpr>      z'PngStream.chunk_cHRM.<locals>.<genexpr>Zchromaticity)r   rq   rI   rl   unpackr4   r~   r   )rL   rY   rZ   rA   Zraw_valsr*   r*   r+   
chunk_cHRM  s    zPngStream.chunk_cHRMc                 C   s    t | j|}|d | jd< |S )Nr   Zsrgbr   rq   rI   r   r   r*   r*   r+   
chunk_sRGB  s    zPngStream.chunk_sRGBc                 C   s   t | j|}|dk r(t jr |S tdt|dt|d }}|d }|dkrj|d |d f}|| jd< n|dkr||f| jd	< |S )
Nr   zTruncated pHYs chunkr   r   r   r   
F%u?dpiaspect)r   rq   rI   rU   r@   rS   r   )rL   rY   rZ   rA   pxpyunitr   r*   r*   r+   
chunk_pHYs  s    zPngStream.chunk_pHYsc                 C   s   t | j|}z|dd\}}W n ty<   |}d}Y n0 |r|dd}|dd}|dkrf|n|| j|< || j|< | t	| |S )Nr   r   r   r   r   replaceexif)
r   rq   rI   splitr@   rh   r   r   r   r4   )rL   rY   rZ   rA   kvZv_strr*   r*   r+   
chunk_tEXt  s    

zPngStream.chunk_tEXtc                 C   s   t | j|}z|dd\}}W n ty<   |}d}Y n0 |rL|d }nd}|dkrhtd| dzt|dd  }W n6 ty   t jrd}n Y n tj	y   d}Y n0 |r|
dd}|
dd	}| | j|< | j|< | t| |S )
Nr   r   r   r   r   z in zTXt chunkr   r   r   )r   rq   rI   r   r@   rV   rB   rU   r;   rm   rh   r   r   r   r4   )rL   rY   rZ   rA   r   r   r   r*   r*   r+   
chunk_zTXt(  s2    


zPngStream.chunk_zTXtc                 C   sz  t | j| }}z|dd\}}W n ty<   | Y S 0 t|dk rN|S |d |d |dd    }}}z|dd\}}	}
W n ty   | Y S 0 |dk r|dk rzt|
}
W n: ty   t jr| Y S  Y n tj	 y   | Y S 0 n|S z4|
dd}|
dd}|	
dd}	|

dd}
W n tyJ   | Y S 0 t|
||	 | j|< | j|< | t|
 |S )Nr   r   r   r   r   r   r   )r   rq   rI   r   r@   r4   rB   rU   r;   rm   rh   r   rs   r   r   r   )rL   rY   rZ   rrA   r   cfcmrv   tkr   r*   r*   r+   
chunk_iTXtJ  sB    
 



zPngStream.chunk_iTXtc                 C   s    t | j|}d| | jd< |S )N   Exif  r   r   r   r*   r*   r+   
chunk_eXIfs  s    zPngStream.chunk_eXIfc                 C   s   t | j|}|dk r(t jr |S td| jd urFd | _td |S t|}|dks^|dkrltd |S || _t|d| j	d< d| _
|S )	Nr   z"APNG contains truncated acTL chunkz4Invalid APNG, will use default PNG image if possibler   l        r   loopz
image/apng)r   rq   rI   rU   r@   r   warningswarnrS   r   r   )rL   rY   rZ   rA   n_framesr*   r*   r+   
chunk_acTLy  s"    


zPngStream.chunk_acTLc                 C   s6  t | j|}|dk r(t jr |S tdt|}| jd u rB|dksZ| jd urb| j|d krbtd|| _t|dt|d }}t|dt|d	 }}| j\}	}
|| |	ks|| |
krtd
|||| || f| j	d< t
|dt
|d }}|dk rd}t|t| d | j	d< |d | j	d< |d | j	d< |S )N   z"APNG contains truncated fcTL chunkr   r   #APNG contains frame sequence errorsr   r   r   r   zAPNG contains invalid framesr         d     duration   disposal   blend)r   rq   rI   rU   r@   rS   r   rV   r   r   r   float)rL   rY   rZ   rA   seqwidthheightr   r   Zim_wZim_hZ	delay_numZ	delay_denr*   r*   r+   
chunk_fcTL  s4    

zPngStream.chunk_fcTLc                 C   sn   |dk r(t jr t | j|}|S tdt | jd}t|}| j|d krTtd|| _| |d |d S )Nr   z"APNG contains truncated fDAT chunkr   r   )	r   rU   rq   rI   r@   rS   r   rV   r   )rL   rY   rZ   rA   r   r*   r*   r+   
chunk_fdAT  s    zPngStream.chunk_fdAT)r$   r%   r&   rM   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   __classcell__r*   r*   r   r+   r   f  s*   	")r   c                 C   s   | d d t kS )Nr   )_MAGIC)r9   r*   r*   r+   _accept  s    r  c                       s   e Zd ZdZdZdd Zedd Zdd Zd	d
 Z	dddZ
dd Zdd Zdd Zdd Zdd Z fddZdd Z  ZS )PngImageFilePNGzPortable network graphicsc              	   C   s  t | jdstd| j| _d| _g | _t| j| _| j \}}}z| j	|||}W nd t
yr   Y qY nP ty   td||| t| j|}|dd  r| j||f Y n0 | j|| q8| jj| _| jj| _| jj| _d | _| jj| _| jj| _| jjpd| _| j dd| _!| jj"rN| jj"\}}t#$||| _%|d	krd|d
 | _&n|| _&| jjd urd| _'| j(  | j&| _)| j* | _+| j!r|  jd7  _| ,d | jdk| _-d S )Nr   znot a PNG filer   %r %s %s (unknown)r   r   r   F   fdATr   ).r  rI   rQ   rV   _fp_PngImageFile__frameprivate_chunksr   pngri   r   r6   re   rf   r   rq   islowerra   r`   r   moder   _sizer   r   _textr   r   r   Zcustom_mimetyper   r   getr   r   r   rawpalette_PngImageFile__prepare_idat!_close_exclusive_fp_after_loadingr   _PngImageFile__rewind_idatrR   _PngImageFile__rewind_seekis_animated)rL   rX   rY   rZ   rA   rawmoderD   r*   r*   r+   _open  sP    	








zPngImageFile._openc                 C   sD   | j d u r>| jr&| j}| | jd  |   | jr>| | | j S )Nr   )r  r  r  rP   r   load)rL   framer*   r*   r+   ry   	  s    

zPngImageFile.textc                 C   sZ   | j du rtd| j | jd d d  | j  | j  | jrP| j   d| _ dS )zVerify PNG fileNz)verify must be called directly after openr   r   r   )rI   RuntimeErrorrP   r   r	  rr   r]   _exclusive_fpr[   r*   r*   r+   rr     s    



zPngImageFile.verifyc                 C   s   |  |sd S || jk r$| dd | j}t| jd |d D ]L}z| | W q> ty } z | | td|W Y d }~q>d }~0 0 q>d S )Nr   Tr   zno more images in APNG file)Z_seek_checkr  r  ranger   rP   )rL   r  Z
last_framefrn   r*   r*   r+   rP   (  s    


zPngImageFile.seekFc              	   C   s
  |dkr|rZ| j | j | j  | j| _d | _| jr>d | _| jj	| _
| jj| _| j | _d | _d | _| j
dd| _| j
d| _| j
d| _| j
d| _d| _n|| jd krtd| |   | jr| j| j| j | j | _| j | _| jrt| j| j d| _d}| jd	 z| j \}}}W n  tjtfy\   Y q4Y n0 |d
krpt d|dkr|rtdd}z| j!||| W n t"y   Y q4Y nv t y   |dkr|d	8 }|r|| _Y q4t| j| Y n2 t#y.   t$%d||| t| j| Y n0 q|| _| jj| _| j
d| _| j
d| _| j
d| _| jszt | jd u r| jt&j'krt&j(| _| jt&j'kr| j | _| )| j| j| _n<| jt&j(kr t*j+,| j-| j.| _| )| j| j| _nd | _d S )Nr   r   Fr   r   r   r   zcannot seek to frame r   ro   zNo more images in APNG file   fcTLzAPNG missing frame dataTr  r  )/r  rP   r  r	  r   r  r  impyaccessr   r   r   r   rI   _prev_imdisposer  r   Z
dispose_opblend_opdispose_extentr  r@   r  paster   r   rq   rQ   rl   rm   rV   r   ri   UnicodeDecodeErrorr6   re   rf   r#   r)   r(   _cropr   corefillr  size)rL   r  r   Zframe_startrX   rY   rZ   r*   r*   r+   r  6  s    








zPngImageFile._seekc                 C   s   | j S rH   )r  r[   r*   r*   r+   rR     s    zPngImageFile.tellc                 C   s0   | j dr| jd | _| j| _tj|  dS )z"internal: prepare to read PNG filer   )r   N)r   r  Zdecoderconfigr  _PngImageFile__idatr   load_preparer[   r*   r*   r+   r-    s    zPngImageFile.load_preparec                 C   s   | j dkr| jd | j \}}}|dvrB| j||| dS |dkr~z| j||| W n typ   Y n0 |d | _ q || _ q |dkr| j }nt|| j }| j | | _ | j|S )zinternal: read more image datar   r   )   IDATs   DDATr  r   r  )r,  rI   rQ   r	  rc   ri   r   min)rL   
read_bytesrX   rY   rZ   r*   r*   r+   	load_read  s$    
zPngImageFile.load_readc              	   C   s  | j dkr| j| j  | jd z| j \}}}W n tjtfyV   Y q@Y n0 |dkrfq@n(|dkr| jrd| _| j	||| q@z| j
||| W q ty   Y q@Y q ty   |dkr|d8 }t| j| Y q ty<   td||| t| j|}|dd  r8| j||d	f Y q0 q| jj| _| jsd| j  d
| _nT| jr| jtjkr| | j| j}| j|| j| d | j| _| j!rd
| _!d
S )z%internal: finished reading image datar   r   ro   r  r  r  r   r   TNr   )"r,  rI   rQ   r	  rl   rm   rV   r  r  rc   ri   r'  r   r   rq   r6   re   rf   r
  r  ra   r   r  r]   r"  r$  r,   r.   r(  r   r%  r&  convertr!  )rL   rX   rY   rZ   rA   updatedr*   r*   r+   load_end  sL    



zPngImageFile.load_endc                 C   s6   d| j vr|   d| j vr*d| j vr*d S |   S )Nr   zRaw profile type exif)r   r  getexif_get_merged_dictr[   r*   r*   r+   _getexif  s
    
zPngImageFile._getexifc                    s   d| j vr|   t  S )Nr   )r   r  r   r5  r[   r   r*   r+   r5    s    
zPngImageFile.getexifc                 C   s   d| j v r| | j d S i S )z
        Returns a dictionary containing the XMP tags.
        Requires defusedxml to be installed.

        :returns: XMP tags in a dictionary.
        zXML:com.adobe.xmp)r   _getxmpr[   r*   r*   r+   getxmp  s    	zPngImageFile.getxmp)F)r$   r%   r&   formatformat_descriptionr  propertyry   rr   rP   r  rR   r-  r1  r4  r7  r5  r9  r   r*   r*   r   r+   r    s   D

Z	!/r  )r       )L;1r=  )r   s    )r   s    )r   s    )r   s   )r   s    )r   s   )r   s   )r   s   )r   s   )r   s   )r   s   )r   r>  r   r   r   r   r   zI;16r   r   r   r   r   r   c                 G   sJ   d |}| tt||  | | t|t|}| t| dS )z'Write a PNG chunk (including CRC field)r   N)joinwriteo32r4   rF   rI   rX   rD   r`   r*   r*   r+   putchunk  s
    

rC  c                   @   s   e Zd Zdd Zdd ZdS )_idatc                 C   s   || _ || _d S rH   )rI   r   )rL   rI   r   r*   r*   r+   rM   +  s    z_idat.__init__c                 C   s   |  | jd| d S )Nr.  )r   rI   rL   rD   r*   r*   r+   r@  /  s    z_idat.writeNr$   r%   r&   rM   r@  r*   r*   r*   r+   rD  (  s   rD  c                   @   s   e Zd Zdd Zdd ZdS )_fdatc                 C   s   || _ || _|| _d S rH   )rI   r   r   )rL   rI   r   r   r*   r*   r+   rM   6  s    z_fdat.__init__c                 C   s*   |  | jdt| j| |  jd7  _d S )Nr  r   )r   rI   rA  r   rE  r*   r*   r+   r@  ;  s    z_fdat.writeNrF  r*   r*   r*   r+   rG  3  s   rG  c                 C   sN  | j d| jd}| j d| jdd}| j d| jdd}| j d| jdtj}| j d| jdtj}|rt| j dg }	nt| g| j dg }	g }
d}|	D ]}t	
|D ]}| }|j| jkr| jdkr|j| j| jd	}n|| j}| j  }t|ttfr6|| |d< t|ttfrR|| |d< t|ttfrn|| |d< |d
7 }|
r|
d }|d d}|d d}|tjkrt|
dk rtj}|tjkr|d }tjd| jd}|d }|r ||}n
d| j }||| n"|tjkr2|
d d }n|d }t|d|d}| }|s||dkr||dkrt|ttfr|d d  |d 7  < qnd }|
|||d qq||dtt|
t| |rt !| t"||dd| j d|fg d}t#|
D ]2\}}|d }|d s<d|j }n|d }||}|j}|d }t$t%|d|}|d|}|d|}||dt|t|d t|d
 t|d t|d
 t&|t&dt'|t'| |d
7 }|dkr|st !|t"||dd|j d|fg n0t(|||}t !||dd|j d|fg |j)}qd S )Nr   r   r   r   r   r   Zappend_imagesr   )r  r   encoderinfor   r   r   )r   r   r   r   r   r   r   )r   r   rI  s   acTLr   r  r   )*rI  r  r   r#   r'   r,   r-   	itertoolschainr   Iteratorr   r  r2  r  r   listr~   r)   r4   r(   r   r)  r*  r+  cropr&  r   Zsubtract_modulogetbboxra   rA  r   _saverD  	enumerateintroundo16r   rG  r   )r   rI   r   r  r   r   r   r   r   rL  Z	im_framesZframe_countZim_seqZim_framerI  previousZprev_disposalZ
prev_blendZbase_imr#  r   deltar   r  Z
frame_datar+  Zframe_durationZframe_disposalZframe_blendZfdat_chunksr*   r*   r+   _write_multiple_frames@  s    



$





rX  c                 C   s   t | ||dd d S )NT)save_all)rQ  )r   rI   filenamer*   r*   r+   	_save_all  s    r[  Fc              
   C   sp  | j }|dkrd| jv r.td| jd > d}n.| jrXttt| j d d dd}nd}|dkr|dkrrd}n|dkrd}nd}| d	| }| jd
d| jdd| jdd| jddf| _zt	| \}}W n8 t
y }	 ztd| d|	W Y d }	~	n
d }	~	0 0 |t ||dt| jd t| jd |ddd g d}
| jd| jd}|rd}|d t| }||d| |
d | jd}|r8g d}|jD ]}|d d \}}||
v r|
| |||| nH||v r|||| n0|dd  r|dd }|s|||| q| j dkr|d }| jdd | }t||k rz|d7 }q`||d| | jd | jd d }|s|dkr| j dkr|}t|tr||d!|d |  n0tdtd"|}d#| d }||d!|d |  nz| j d$v r@tdtd%|}||d!t| nL| j dkrx|\}}}||d!t|t| t|  nd | jv rtd&nB| j dkr| j d'kr| jd'd(}|}||d!|d |  | jd)}|r||d*tt|d d+ d, tt|d d+ d, d- |rfd.d/g}
|jD ]6}|d d \}}||
v r.|
| |||| q.| jd0| jd0}|rt|tjr|d1}| d2r|d3d  }||d4| |rt!| ||| n$t"#| t$||d5d6| j d|fg |rL|jD ]F}|d d \}}|dd  r|dd }|r|||| q||d7d t%|d8rl|&  d S )9Nr   bitsr      r    r   r   r   ;optimizeFZcompress_levelrH  compress_type
dictionaryr   zcannot write mode z as PNGs   IHDRr   r   )s   cHRMs   gAMAs   sBIT   sRGBs   tIMEr   s   ICC Profiler   s   iCCPrb  pnginfo)s   sPLTr   r   r   r   s   PLTEr   s   tRNS      r   i  z%cannot use transparency for this moder   Ar   s   pHYsr   g      ?   s   bKGDs   hISTr   r   r   r!   s   eXIfr   r   ro   flush)'r  rI  r/  r  maxr4   getdatar  encoderconfig	_OUTMODESKeyErrorrp   r@  r   rA  r+  r   r;   r   remover}   r
  r   
getpaletter   r   rU  getpalettemoderS  r   Exiftobytesr3   rX  r   rQ  rD  hasattrrh  )r   rI   rZ  r   rY  r  colorsr\  r  rn   r}   Ziccr7   rD   r   Zchunks_multiple_allowedZ
info_chunkrX   r   Zpalette_byte_numberpalette_bytesr   Zalpha_bytesalpharedgreenbluer   r   r*   r*   r+   rQ    s    
$(






"




$
rQ  c                 K   sF   G dd d}dd }| }z|| _ t| |d| W | ` n| ` 0 |jS )z4Return a list of PNG chunks representing this image.c                   @   s    e Zd Zg Zdd Zdd ZdS )zgetchunks.<locals>.collectorc                 S   s   d S rH   r*   rE  r*   r*   r+   r@  y  s    z"getchunks.<locals>.collector.writec                 S   s   | j | d S rH   )rD   ra   )rL   r   r*   r*   r+   ra   |  s    z#getchunks.<locals>.collector.appendN)r$   r%   r&   rD   r@  ra   r*   r*   r*   r+   	collectorv  s   rz  c                 W   s0   d |}tt|t|}| |||f d S )Nr   )r?  rA  rF   ra   rB  r*   r*   r+   ra     s    
zgetchunks.<locals>.appendN)rI  rQ  rD   )r   paramsrz  ra   rI   r*   r*   r+   	getchunkss  s    	r|  z.pngz.apngz	image/png)r   )@rK  loggingrerl   r   r;   r8   r   r   r   r   r   r   r   _binaryr	   r   r
   rS   r   r   rU  r   rA  
_deprecater   	getLoggerr$   re   compiler   rT   r   r   r   Z	SAFEBLOCKr>   r   r#   r,   r:   rB   rF   rG   rt   rs   r|   r   r  r  rl  rC  rD  rG  rX  r[  rQ  r|  register_openr:  register_saveregister_save_allregister_extensionsregister_mimer*   r*   r*   r+   <module>"   s   



\T  T  N} 3