o
    ]oi                     @  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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 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(dSd%d&Z)G d'd( d(Z*G d)d* d*e+Z,G d+d, d,Z-G d-d. d.e*Z.d/d0 Z/G d1d2 d2ejZ0d3d4d5d6d7d8d9d9d9d:d;d<d=d>d?d@Z1dAdB Z2G dCdD dDZ3G dEdF dFZ4dGdH Z5dIdJ Z6e2dKfdLdMZ7dNdO Z8e9e0j:e0e/ e;e0j:e7 e<e0j:e6 e=e0j:dPdQg e>e0j:dR dS )T    )annotationsN)IntEnum   )Image
ImageChops	ImageFileImagePaletteImageSequence)i16be)i32be)o8)o16be)o32bes   \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   ^* *$@   c                   @  s   e Zd ZdZ	 dZ	 dZdS )Disposalr   r   r   N)__name__
__module____qualname__OP_NONEOP_BACKGROUNDOP_PREVIOUS r*   r*   Z/var/www/html/kuke-dev/django-kuke/venv/lib/python3.10/site-packages/PIL/PngImagePlugin.pyr#   c   s    r#   c                   @  s   e Zd ZdZ	 dZdS )Blendr   r   N)r$   r%   r&   	OP_SOURCEOP_OVERr*   r*   r*   r+   r,   x   s
    r,   c                 C  s*   t  }|| t}|jrd}t||S )NzDecompressed Data Too Large)zlibdecompressobj
decompressMAX_TEXT_CHUNKunconsumed_tail
ValueError)sZdobjZ	plaintextmsgr*   r*   r+   _safe_zlib_decompress   s   r7   c                 C  s   t | |d@ S )Nl    )r/   crc32)dataseedr*   r*   r+   _crc32      r;   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selfr?   r*   r*   r+   __init__      
zChunkStream.__init__c                 C  s   d}| j r| j  \}}}| j| n| jd}|dd }| j }t|}t|s<tj	s<dt
| d}t||||fS )z.Fetch a new chunk. Returns header information.Nr   r   zbroken PNG file (chunk ))r@   popr?   seekreadtelli32is_cidr   LOAD_TRUNCATED_IMAGESreprSyntaxError)rB   cidposlengthr5   r6   r*   r*   r+   rH      s   

zChunkStream.readc                 C  s   | S r>   r*   rB   r*   r*   r+   	__enter__      zChunkStream.__enter__c                 G  s   |    d S r>   )close)rB   argsr*   r*   r+   __exit__   s   zChunkStream.__exit__c                 C  s   d  | _ | _d S r>   )r@   r?   rR   r*   r*   r+   rU      r<   zChunkStream.closec                 C  s   | j |||f d S r>   )r@   appendrB   rO   rP   rQ   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decoderY   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r3dt| d}t|W dS  t	j
yO } zdt| d}t||d}~ww )	zRead and verify checksumr      r   Nr   z(broken PNG file (bad header checksum in rE   z(broken PNG file (incomplete checksum in )r   rL   crc_skipr;   rJ   r?   rH   rM   rN   structerror)rB   rO   r9   Zcrc1Zcrc2r6   er*   r*   r+   crc   s   
zChunkStream.crcc                 C  s   | j d dS )zRead checksumr   N)r?   rH   )rB   rO   r9   r*   r*   r+   rb      s   zChunkStream.crc_skip   IENDc              
   C  sr   g }	 z	|   \}}}W n tjy  } zd}t||d }~ww ||kr(	 |S | |t| j| || q)NTztruncated PNG file)	rH   rc   rd   OSErrorrf   r   
_safe_readr?   rX   )rB   ZendchunkZcidsrO   rP   rQ   re   r6   r*   r*   r+   verify   s   

zChunkStream.verifyN)rg   )r$   r%   r&   rC   rH   rS   rW   rU   rZ   r`   rf   rb   rj   r*   r*   r*   r+   r=      s    r=   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textrn   ro   rB   r*   r*   r+   rm      s   	ziTXt.__new__)NN)r$   r%   r&   __doc__staticmethodrm   r*   r*   r*   r+   rk      s    rk   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 r>   )chunksrR   r*   r*   r+   rC     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)rX   ru   tuple)rB   rO   r9   
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s!|dd}t |ts,|dd}|rE| d|d | d | d t|  dS | 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encodery   r/   compress)rB   keyvaluern   ro   zipr*   r*   r+   add_itxt  s   



 (zPngInfo.add_itxtc                 C  s   t |tr| j|||j|j|dS t |ts0z|dd}W n ty/   | j|||d Y S w t |ts;|dd}|rL| d|d t	
|  dS | 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   rk   r   rn   ro   r   r   UnicodeErrorry   r/   r   )rB   r   r   r   r*   r*   r+   add_text:  s   
	

zPngInfo.add_textNF)rz   rz   F)r$   r%   r&   rr   rC   ry   r   r   r*   r*   r*   r+   rt     s    

rt   c                      s   e Zd Z fddZdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ 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   )superrC   im_infoim_textim_sizeim_modeim_tile
im_paletteim_custom_mimetypeim_n_frames_seq_numrewind_statetext_memoryrA   	__class__r*   r+   rC   [  s   
zPngStream.__init__c                 C  s2   |  j |7  _ | j tkrd| j  d}t|d S )Nz%Too much memory used in text chunks: z>MAX_TEXT_MEMORY)r   MAX_TEXT_MEMORYr4   )rB   Zchunklenr6   r*   r*   r+   check_text_memoryl  s   
zPngStream.check_text_memoryc                 C  s   | j  | j| jd| _d S )N)infotileseq_num)r   copyr   r   r   rR   r*   r*   r+   save_rewindu  s   zPngStream.save_rewindc                 C  s(   | j d | _| j d | _| j d | _d S )Nr   r   r   )r   r   r   r   rR   r*   r*   r+   rewind|  s   zPngStream.rewindc                 C  s   t | j|}|d}td|d |  td||  || }|dkr0d| d}t|zt||d d  }W n tyL   t j	rId }n Y n t
jyW   d }Y nw || jd< |S )	Nr   ziCCP profile name %rzCompression method %sr   Unknown compression method z in iCCP chunkr   icc_profile)r   ri   r?   findr\   r]   rN   r7   r4   rL   r/   rd   r   )rB   rP   rQ   r5   icomp_methodr6   r   r*   r*   r+   
chunk_iCCP  s(   

zPngStream.chunk_iCCPc                 C  s   t | j|}|dk rt jr|S d}t|t|dt|df| _zt|d |d f \| _| _	W n	 t
y:   Y nw |d rDd| jd	< |d
 rNd}t||S )N   zTruncated IHDR chunkr   r   r   	      r   	interlace   zunknown filter category)r   ri   r?   rL   r4   rJ   r   _MODESr   
im_rawmode	Exceptionr   rN   rB   rP   rQ   r5   r6   r*   r*   r+   
chunk_IHDR  s$    
zPngStream.chunk_IHDRc                 C  sd   d| j v rd| j d || jfg}n| jd urd| j d< dd| j || jfg}|| _|| _d}t|)Nbboxr   Tdefault_imager   zimage data found)r   r   r   r   r   Zim_idatEOFError)rB   rP   rQ   r   r6   r*   r*   r+   
chunk_IDAT  s   


zPngStream.chunk_IDATc                 C  s   d}t |)Nzend of PNG image)r   )rB   rP   rQ   r6   r*   r*   r+   
chunk_IEND  s   zPngStream.chunk_IENDc                 C  s&   t | j|}| jdkrd|f| _|S )Nr   r   )r   ri   r?   r   r   rB   rP   rQ   r5   r*   r*   r+   
chunk_PLTE  s   

zPngStream.chunk_PLTEc                 C  s   t | j|}| jdkr(t|r!|d}|dkr|| jd< |S || jd< |S | jdv r6t|| jd< |S | jdkrKt|t|dt|df| jd< |S )	Nr   r   r   transparencyr   r   r   r   r   r   )	r   ri   r?   r   _simple_palettematchr   r   i16)rB   rP   rQ   r5   r   r*   r*   r+   
chunk_tRNS  s   



	


 zPngStream.chunk_tRNSc                 C  s$   t | j|}t|d | jd< |S )N     j@gamma)r   ri   r?   rJ   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>  s    z'PngStream.chunk_cHRM.<locals>.<genexpr>Zchromaticity)r   ri   r?   rc   unpacklenrv   r   )rB   rP   rQ   r5   Zraw_valsr*   r*   r+   
chunk_cHRM  s   zPngStream.chunk_cHRMc                 C  s>   t | j|}|dk rt jr|S d}t||d | jd< |S )Nr   zTruncated sRGB chunkr   Zsrgb)r   ri   r?   rL   r4   r   r   r*   r*   r+   
chunk_sRGB  s   zPngStream.chunk_sRGBc           	      C  s   t | j|}|dk rt jr|S d}t|t|dt|d}}|d }|dkr8|d |d f}|| jd< |S |dkrC||f| jd	< |S )
Nr   zTruncated pHYs chunkr   r   r   r   
F%u?dpiZaspect)r   ri   r?   rL   r4   rJ   r   )	rB   rP   rQ   r5   r6   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w |rD|dd}|dd}|dkr3|n|| j|< || j|< | t	| |S )Nr   r       r{   r|   replaceexif)
r   ri   r?   splitr4   r_   r   r   r   r   )rB   rP   rQ   r5   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w |r&|d }nd}|dkr6d| d}t|z
t|dd  }W n tyP   t jrMd}n Y n tj	y[   d}Y nw |r{|
dd}|
dd	}| | j|< | j|< | t| |S )
Nr   r   r   r   r   z in zTXt chunkr{   r|   r   )r   ri   r?   r   r4   rN   r7   rL   r/   rd   r_   r   r   r   r   )rB   rP   rQ   r5   r   r   r   r6   r*   r*   r+   
chunk_zTXt  s:   
zPngStream.chunk_zTXtc                 C  sl  t | j| }}z
|dd\}}W n ty   | Y S w t|dk r'|S |d |d |dd  }}}z|dd\}}	}
W n tyM   | Y S w |dkry|dkrwzt|
}
W n tyk   t jrj| Y S   tj	yv   | Y S w |S z|
dd}|
dd}|	
dd}	|

dd}
W n ty   | Y S w t|
||	 | j|< | j|< | t|
 |S )Nr   r   r   r   r{   r|   r}   )r   ri   r?   r   r4   r   r7   rL   r/   rd   r_   r   rk   r   r   r   )rB   rP   rQ   rr5   r   cfcmrn   tkr   r*   r*   r+   
chunk_iTXtA  sJ    zPngStream.chunk_iTXtc                 C  s    t | j|}d| | jd< |S )N   Exif  r   )r   ri   r?   r   r   r*   r*   r+   
chunk_eXIfi  s   zPngStream.chunk_eXIfc                 C  s   t | j|}|dk rt jr|S d}t|| jd ur%d | _td |S t|}|dks1|dkr8t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   ri   r?   rL   r4   r   warningswarnrJ   r   r   )rB   rP   rQ   r5   r6   n_framesr*   r*   r+   
chunk_acTLo  s$   


zPngStream.chunk_acTLc                 C  s@  t | j|}|dk rt jr|S d}t|t|}| jd u r#|dks/| jd ur5| j|d kr5d}t||| _t|dt|d}}t|dt|d	}}	| j\}
}|| |
ks_|	| |kred
}t|||	|| |	| f| j	d< t
|dt
|d}}|dkrd}t|t| d | j	d< |d | j	d< |d | j	d< |S )N   z"APNG contains truncated fcTL chunkr   r   #APNG contains frame sequence errorsr   r   r   r   zAPNG contains invalid framesr         d     duration   disposal   blend)r   ri   r?   rL   r4   rJ   r   rN   r   r   r   float)rB   rP   rQ   r5   r6   seqwidthheightr   r   Zim_wZim_hZ	delay_numZ	delay_denr*   r*   r+   
chunk_fcTL  s4   
zPngStream.chunk_fcTLc                 C  sv   |dk rt jrt | j|}|S d}t|t | jd}t|}| j|d kr.d}t||| _| |d |d S )Nr   z"APNG contains truncated fDAT chunkr   r   )	r   rL   ri   r?   r4   rJ   r   rN   r   )rB   rP   rQ   r5   r6   r   r*   r*   r+   
chunk_fdAT  s   zPngStream.chunk_fdAT)r$   r%   r&   rC   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   Z  s,    		"(r   c                 C  s   | d d t kS )Nr   )_MAGIC)prefixr*   r*   r+   _accept  r<   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 )PngImageFileZPNGzPortable network graphicsc              	   C  s  t | jdsd}t|| j| _d| _g | _t| j| _	 | j \}}}z
| j	|||}W n0 t
y:   Y n0 tya   td||| t| j|}|dd  r_| j||f Y nw | j|| q| jj| _| jj| _| jj| _d | _| jj| _| jj| _| jjpd| _| j dd	| _!| jj"r| jj"\}}t#$||| _%|d
kr|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   T%r %s %s (unknown)r   r   r   F   fdATr   ).r   r?   rH   rN   _fp_PngImageFile__frameprivate_chunksr   pngr`   r   AttributeErrorr\   r]   r   ri   islowerrX   rf   r   _moder   _sizer   r   _textr   r   r   Zcustom_mimetyper   r   getr   r   r   rawpalette_PngImageFile__prepare_idatZ!_close_exclusive_fp_after_loadingr   _PngImageFile__rewind_idatrI   _PngImageFile__rewind_seekis_animated)rB   r6   rO   rP   rQ   r5   rawmoder9   r*   r*   r+   _open  sZ   






zPngImageFile._openc                 C  sD   | j d u r| jr| j}| | jd  |   | jr| | | j S )Nr   )r  r  r   rG   r   load)rB   framer*   r*   r+   rq     s   

zPngImageFile.textc                 C  s^   | j du rd}t|| j | jd d d  | j  | j  | jr*| j   d| _ dS )zVerify PNG fileNz)verify must be called directly after openr   r   r   )r?   RuntimeErrorrG   r   r  rj   rU   Z_exclusive_fp)rB   r6   r*   r*   r+   rj     s   




zPngImageFile.verifyc                 C  s   |  |sd S || jk r| dd | j}t| jd |d D ]!}z| | W q ty@ } z| | d}t||d }~ww d S )Nr   Tr   zno more images in APNG file)Z_seek_checkr   r  ranger   rG   )rB   r  Z
last_framefre   r6   r*   r*   r+   rG   #  s   



zPngImageFile.seekFc              	   C  s   |dkrT|r-| 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rdd| }t||   | jrt| j| j| j | j | _| j | _| jrt| j| j d| _d}	 | jd
 z
| j \}}}W n tjtfy   Y ndw |dkrd}t ||dkr|rd}t|d	}z
| j!||| W n? t"y   Y n8 t y   |dkr|d
8 }|r|| _Y n#t| j| Y n t#y   t$%d||| t| j| Y nw q|| _| jj| _| j
d| _| j
d| _| j
d| _| js6d}t || jd u rG| jt&j'krGt&j(| _| jt&j'kr_| j | _| )| j| j| _d S | jt&j(kr{t*j+,| j-| j.| _| )| j| j| _d S d | _d S )Nr   r   Fr   r   r   r   zcannot seek to frame Tr   rg   zNo more images in APNG file   fcTLzAPNG missing frame datar   r   zimage not found in APNG frame)/r   rG   r  r  r   r  r  impyaccessr   r   r   r   r?   _prev_imdisposer  r   Z
dispose_opblend_opdispose_extentr   r4   r  paster   r   ri   rH   rc   rd   rN   r   r`   UnicodeDecodeErrorr  r\   r]   r#   r)   r(   _cropr   corefillmodesize)rB   r  r   r6   Zframe_startrO   rP   rQ   r*   r*   r+   r  2  s   



!

zPngImageFile._seekc                 C  s   | j S r>   )r   rR   r*   r*   r+   rI     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_preparerR   r*   r*   r+   r&    s   zPngImageFile.load_preparec                 C  s   | j dkrG| jd | j \}}}|dvr!| j||| dS |dkr?z
| j||| W n	 ty8   Y nw |d | _ n|| _ | j dks|dkrO| j }nt|| j }| j | | _ | j|S )zinternal: read more image datar   r   )   IDATs   DDATr   r   r   )r%  r?   rH   r  rZ   r`   r   min)rB   
read_bytesrO   rP   rQ   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y)   Y nmw |dkr/ng|dkrB| jrBd| _| j	||| nTz
| j
||| W nH tyU   Y nA tyl   |dkrc|d8 }t| j| Y n) ty   td||| t| j|}|dd	  r| j||df Y nw q| jj| _| js| j  d
| _d
S | jr| jtjkr| | j| j}| jjdkrd| j v r|!d| j d }n|"d}| j#|| j| | j| _| j$rd
| _$d
S d
S d
S d
S )z%internal: finished reading image datar   Tr   rg   r  r   r   r   r   Nr   r   r   )%r%  r?   rH   r  rc   rd   rN   r  r  rZ   r`   r  r   r   ri   r  r\   r]   r  r  rX   r   r  rU   r  r  r,   r.   r   r  r  r#  r   Zconvert_transparentconvertr  r  )rB   rO   rP   rQ   r5   updatedmaskr*   r*   r+   load_end  s`   







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  getexifZ_get_merged_dictrR   r*   r*   r+   _getexif  s
   
zPngImageFile._getexifc                   s   d| j vr	|   t  S )Nr   )r   r  r   r/  rR   r   r*   r+   r/    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   Z_getxmprR   r*   r*   r+   getxmp  s
   
	zPngImageFile.getxmpr   )r$   r%   r&   formatformat_descriptionr  propertyrq   rj   rG   r  rI   r&  r*  r.  r0  r/  r1  r   r*   r*   r   r+   r     s     C

^	!3r   )r       )L;1r5  )r   s    )r   s    )r   s    )r   s   )r   s    )r   s   )r   s   )r   s   )r   s   )r   s   )r   s   )r   r6  r   r   r   r   r   zI;16r   r   r   r   r   r   r   c                 G  sJ   d |}| tt||  | | t|t|}| t| dS )z'Write a PNG chunk (including CRC field)r   N)joinwriteo32r   r;   r?   rO   r9   rf   r*   r*   r+   putchunk"  s
   

r;  c                   @     e Zd Zdd Zdd ZdS )_idatc                 C  s   || _ || _d S r>   )r?   rx   )rB   r?   rx   r*   r*   r+   rC   0  rD   z_idat.__init__c                 C  s   |  | jd| d S )Nr'  )rx   r?   rB   r9   r*   r*   r+   r8  4     z_idat.writeNr$   r%   r&   rC   r8  r*   r*   r*   r+   r=  -  s    r=  c                   @  r<  )_fdatc                 C  s   || _ || _|| _d S r>   )r?   rx   r   )rB   r?   rx   r   r*   r*   r+   rC   ;  s   
z_fdat.__init__c                 C  s*   |  | jdt| j| |  jd7  _d S )Nr   r   )rx   r?   r9  r   r>  r*   r*   r+   r8  @  s   z_fdat.writeNr@  r*   r*   r*   r+   rA  8  s    rA  c                 C  s.  | j d| jdd}| j d| jdd}| j d| jdtj}| j d| jdtj}	|r:t|}
nt| g|}
g }d}|
D ]}t	
|D ]}|j|krZ| }n||}| j  }t|ttfrq|| |d< t|ttfr~|| |d< t|	ttfr|	| |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r|d d
 }n|d
 }t|d|d}|jdd}|s"||dkr"||dkr"|d d  |d|7  < qNnd }d|vr.||d< ||||d qNqGt|dkrI|sI|d d
 S ||dtt|t| |rv| j|krd| |} t | t!||dd| j d|fg d}t"|D ]\}}|d
 }|d sd|j }n	|d }||}|j}|d }t#t$|d }|d|}|d|	}||dt|t|d t|d t|d t|d t%|t%dt&|t&| |d7 }|dkr|st |t!||dd|j d|fg q|t'|||}t ||dd|j d|fg |j(}q|d S )Nr   r   r   r   r   r   encoderinfor   r  r   )r   r   r   r   r   r   F)Z
alpha_only)r  r   rC  s   acTLr   r  r   ))rC  r  r   r#   r'   r,   r-   	itertoolschainr	   Iteratorr#  r   r+  r   listrv   r)   r   r(   r   r!  r"  r$  cropr  r   Zsubtract_moduloZgetbboxrX   r9  r   _saver=  	enumerateintroundo16r   rA  r   )r  r?   rx   r  r   append_imagesr   r   r   r   rF  Z	im_framesZframe_countim_seqim_framerC  previousZprev_disposalZ
prev_blendZbase_imr  r   deltar   r  Z
frame_datar$  Zframe_durationZframe_disposalZframe_blendZfdat_chunksr*   r*   r+   _write_multiple_framesE  s   







5

$






rT  c                 C  s   t | ||dd d S )NT)save_all)rJ  )r  r?   filenamer*   r*   r+   	_save_all  r?  rW  Fc           #   
   C  s  |r?| j d| jd}t }| j dg }t| g|D ]}t|D ]}	||	j	 q%qdD ]}
|
|v r9 nq1|
 }
n| j	}
|
dkrd| j v rVtd| j d > d}n| jrkttt| j d d dd}nd}|d	kr|d
krxd}n	|dkrd
}nd}|
 d| }
| j dd| j dd| j dd| j ddf| _zt|
 \}}
W n ty } zd|
 d}t||d }~ww |t ||dt| jd t| jd |
ddd g d}| j d| jd}|rd}|d t| }||d| |d | j d}|rXg d }|jD ]B}|d d
 \}}||v r1|| |||| q||v r>|||| q|dd
  rV|d
d }|sV|||| q| j	dkr|d }| jd!d | }t||k r~|d7 }t||k ss||d"| | j d#| jd#d }|s|dkr
| j	dkr|}t|t r||d$|d |  nztdtd%|}d&| d }||d$|d |  na| j	d'v rtdtd(|}||d$t!| nJ| j	d!kr|\}}} ||d$t!|t!| t!|   n.d#| j v r	d)}t|n!| j	dkr+| j" d*kr+| jd*d+}|}||d$|d |  | j d,}!|!rP||d-tt#|!d d. d/ tt#|!d d. d/ d0 |rvd1d2g}|jD ]}|d d
 \}}||v rt|| |||| qZ| j d3}"|"rt|"t$j%r|"&d4}"|"'d5r|"d6d  }"||d7|" |rt(| |||||} | rt)*| t+||d8d9| j d|fg |r|jD ]#}|d d
 \}}|dd
  r|d
d }|r|||| q||d:d t,|d;r|-  d S d S )<Nr   rO  )r   r   r   r   bitsr      r    r   r   r   ;optimizeFZcompress_levelrB  compress_type
dictionaryr   zcannot write mode z as PNGs   IHDRr   r   )s   cHRMs   gAMAs   sBIT   sRGBs   tIMEr   s   ICC Profiler   s   iCCPr^  Z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   rg   flush).rC  r  r   setrE  rF  r	   rG  ry   r#  rF   r(  r
  maxr   ZgetdataZencoderconfig	_OUTMODESKeyErrorrh   r8  r   r9  r$  r/   r   removeru   r  r  Z
getpaletter   r   rN  ZgetpalettemoderL  r   ZExiftobytes
startswithrT  r   rJ  r=  hasattrrc  )#r  r?   rV  rx   rU  r   modesrO  rP  rQ  r#  colorsrX  r  re   r6   ru   Ziccnamer9   r   Zchunks_multiple_allowedZ
info_chunkrO   rw   Zpalette_byte_numberZpalette_bytesr   Zalpha_bytesalpharedgreenbluer   r   r*   r*   r+   rJ    s&  
$







"



$
rJ  c                 K  sD   G dd d}dd }| }z|| _ t| |d| W | ` |jS | ` w )z4Return a list of PNG chunks representing this image.c                   @  s    e Zd Zg Zdd Zdd ZdS )zgetchunks.<locals>.collectorc                 S  s   d S r>   r*   r>  r*   r*   r+   r8    rT   z"getchunks.<locals>.collector.writec                 S  s   | j | d S r>   )r9   rX   )rB   rx   r*   r*   r+   rX     r<   z#getchunks.<locals>.collector.appendN)r$   r%   r&   r9   r8  rX   r*   r*   r*   r+   	collector  s    rs  c                 W  s0   d |}tt|t|}| |||f d S )Nr   )r7  r9  r;   rX   r:  r*   r*   r+   rX     s   
zgetchunks.<locals>.appendN)rC  rJ  r9   )r  paramsrs  rX   r?   r*   r*   r+   	getchunks  s   	ru  z.pngz.apngz	image/png)r   )?
__future__r   rE  loggingrerc   r   r/   enumr   rz   r   r   r   r   r	   _binaryr
   r   r   rJ   r   r   rN  r   r9  	getLoggerr$   r\   compiler   rK   r   r   r   Z	SAFEBLOCKr2   r   r#   r,   r7   r;   r=   rl   rk   rt   r   r   r   rf  r;  r=  rA  rT  rW  rJ  ru  Zregister_openr2  Zregister_saveZregister_save_allZregister_extensionsZregister_mimer*   r*   r*   r+   <module>   s    


	YT  \  V  E