o
    %e                     @  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   ^* *$@   c                   @  s   e Zd ZdZ	 dZ	 dZdS )Disposalr   r   r   N)__name__
__module____qualname__OP_NONEOP_BACKGROUNDOP_PREVIOUS r*   r*   E/var/www/html/venv/lib/python3.10/site-packages/PIL/PngImagePlugin.pyr#   c   s    r#   c                   @  s   e Zd ZdZ	 dZdS )Blendr   r   N)r$   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)sdobj	plaintextmsgr*   r*   r+   _safe_zlib_decompress   s   r9   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selfrA   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 ))rB   poprA   seekreadtelli32is_cidr   LOAD_TRUNCATED_IMAGESreprSyntaxError)rD   cidposlengthr5   r8   r*   r*   r+   rJ      s   

zChunkStream.readc                 C  s   | S r@   r*   rD   r*   r*   r+   	__enter__      zChunkStream.__enter__c                 G  s   |    d S r@   )close)rD   argsr*   r*   r+   __exit__   s   zChunkStream.__exit__c                 C  s   d  | _ | _d S r@   )rB   rA   rT   r*   r*   r+   rW      r>   zChunkStream.closec                 C  s   | j |||f d S r@   )rB   appendrD   rQ   rR   rS   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 %schunk_ascii)loggerdebuggetattrdecoder[   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 rG   z(broken PNG file (incomplete checksum in )r   rN   crc_skipr=   rL   rA   rJ   rO   rP   structerror)rD   rQ   r;   crc1crc2r8   er*   r*   r+   crc   s   
zChunkStream.crcc                 C  s   | j d dS )zRead checksumr   N)rA   rJ   )rD   rQ   r;   r*   r*   r+   re      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)	rJ   rf   rg   OSErrorrk   r   
_safe_readrA   rZ   )rD   endchunkcidsrQ   rR   rS   rj   r8   r*   r*   r+   verify   s   

zChunkStream.verifyN)rl   )r$   r%   r&   rE   rJ   rU   rY   rW   r\   rc   rk   re   rq   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textru   rv   rD   r*   r*   r+   rt      s   	ziTXt.__new__)NN)r$   r%   r&   __doc__staticmethodrt   r*   r*   r*   r+   rr      s    rr   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@   )chunksrT   r*   r*   r+   rE     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)rZ   r|   tuple)rD   rQ   r;   
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encoder   r/   compress)rD   keyvalueru   rv   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   rr   r   ru   rv   r   r   UnicodeErrorr   r/   r   )rD   r   r   r   r*   r*   r+   add_text:  s   
	

zPngInfo.add_textNF)r   r   F)r$   r%   r&   ry   rE   r   r   r   r*   r*   r*   r+   r{     s    

r{   c                      s   e Zd Z fddZdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ 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   )superrE   im_infoim_textim_sizeim_modeim_tile
im_paletteim_custom_mimetypeim_n_frames_seq_numrewind_statetext_memoryrC   	__class__r*   r+   rE   [  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   )rD   chunklenr8   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   rT   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   rT   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   rn   rA   findr_   r`   rP   r9   r4   rN   r/   rg   r   )rD   rR   rS   r5   icomp_methodr8   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   rn   rA   rN   r4   rL   r   _MODESr   
im_rawmode	Exceptionr   rP   rD   rR   rS   r5   r8   r*   r*   r+   
chunk_IHDR  s$    
zPngStream.chunk_IHDRc                 C  sd   d| j v rd| j d || jfg}n| jd urd| j d< dd| j || jfg}|| _|| _d}t|)Nbboxr   Tdefault_imager   zimage data found)r   r   r   r   r   im_idatEOFError)rD   rR   rS   r   r8   r*   r*   r+   
chunk_IDAT  s   


zPngStream.chunk_IDATc                 C  s   d}t |)Nzend of PNG image)r   )rD   rR   rS   r8   r*   r*   r+   
chunk_IEND  s   zPngStream.chunk_IENDc                 C  s&   t | j|}| jdkrd|f| _|S )Nr   r   )r   rn   rA   r   r   rD   rR   rS   r5   r*   r*   r+   
chunk_PLTE  s   

zPngStream.chunk_PLTEc                 C  s   t | j|}| jdkr(t|r!|d}|dkr|| jd< |S || jd< |S | jdv r6t|| jd< |S | jdkrKt|t|dt|df| jd< |S )	Nr   r   r   transparencyr   r   r   r   r   r   )	r   rn   rA   r   _simple_palettematchr   r   i16)rD   rR   rS   r5   r   r*   r*   r+   
chunk_tRNS  s   



	


 zPngStream.chunk_tRNSc                 C  s$   t | j|}t|d | jd< |S )N     j@gamma)r   rn   rA   rL   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>chromaticity)r   rn   rA   rf   unpacklenr}   r   )rD   rR   rS   r5   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   srgb)r   rn   rA   rN   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?dpiaspect)r   rn   rA   rN   r4   rL   r   )	rD   rR   rS   r5   r8   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   rn   rA   splitr4   rb   r   r   r   r   )rD   rR   rS   r5   kv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   rn   rA   r   r4   rP   r9   rN   r/   rg   rb   r   r   r   r   )rD   rR   rS   r5   r   r   r   r8   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   rn   rA   r   r4   r   r9   rN   r/   rg   rb   r   rr   r   r   r   )rD   rR   rS   rr5   r   cfcmru   tkr   r*   r*   r+   
chunk_iTXtA  sJ    zPngStream.chunk_iTXtc                 C  s    t | j|}d| | jd< |S )N   Exif  r   )r   rn   rA   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   rn   rA   rN   r4   r   warningswarnrL   r   r   )rD   rR   rS   r5   r8   n_framesr*   r*   r+   
chunk_acTLo  s$   


zPngStream.chunk_acTLc                 C  s@  t | j|}|dk rt jr|S d}t|t|}| jd u r#|dks/| jd ur5| j|d kr5d}t||| _t|dt|d}}t|dt|d	}}	| j\}
}|| |
ks_|	| |kred
}t|||	|| |	| f| j	d< t
|dt
|d}}|dkrd}t|t| d | j	d< |d | j	d< |d | j	d< |S )N   z"APNG contains truncated fcTL chunkr   r   #APNG contains frame sequence errorsr   r   r   r   zAPNG contains invalid framesr         d     duration   disposal   blend)r   rn   rA   rN   r4   rL   r   rP   r   r   r   float)rD   rR   rS   r5   r8   seqwidthheightr   r   im_wim_h	delay_num	delay_denr*   r*   r+   
chunk_fcTL  s4   
zPngStream.chunk_fcTLc                 C  sv   |dk rt jrt | j|}|S d}t|t | jd}t|}| j|d kr.d}t||| _| |d |d S )Nr   z"APNG contains truncated fDAT chunkr   r   )	r   rN   rn   rA   r4   rL   r   rP   r   )rD   rR   rS   r5   r8   r  r*   r*   r+   
chunk_fdAT  s   zPngStream.chunk_fdAT)r$   r%   r&   rE   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 )PngImageFile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#$||| _%|d
kr|d | _&n|| _&| jjd urd	| _'| j(  | j&| _)| j* | _+| j!r|  jd7  _| ,d | jdk| _-d S )Nr   znot a PNG filer   T%r %s %s (unknown)r   r   r   F   fdATr   ).r  rA   rJ   rP   _fp_PngImageFile__frameprivate_chunksr   pngrc   r   AttributeErrorr_   r`   r   rn   islowerrZ   rk   r   _moder   _sizer   r   _textr   r   r   custom_mimetyper   r   getr   r   r   rawpalette_PngImageFile__prepare_idat!_close_exclusive_fp_after_loadingr   _PngImageFile__rewind_idatrK   _PngImageFile__rewind_seekis_animated)rD   r8   rQ   rR   rS   r5   rawmoder;   r*   r*   r+   _open  sZ   






zPngImageFile._openc                 C  sD   | j d u r| jr| j}| | jd  |   | jr| | | j S )Nr   )r  r$  r  rI   r   load)rD   framer*   r*   r+   rx     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   )rA   RuntimeErrorrI   r   r  rq   rW   _exclusive_fp)rD   r8   r*   r*   r+   rq     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)_seek_checkr  r#  ranger   rI   )rD   r(  
last_framefrj   r8   r*   r*   r+   rI   #  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   rl   zNo more images in APNG file   fcTLzAPNG missing frame datar  r  zimage not found in APNG frame)/r  rI   r"  r  r   r!  r  impyaccessr   r   r   r   rA   _prev_imdisposer  r   
dispose_opblend_opdispose_extentr  r4   r'  paster   r   rn   rJ   rf   rg   rP   r   rc   UnicodeDecodeErrorr  r_   r`   r#   r)   r(   _cropr   corefillmodesize)rD   r(  r   r8   frame_startrQ   rR   rS   r*   r*   r+   r#  2  s   



!

zPngImageFile._seekc                 C  s   | j S r@   )r  rT   r*   r*   r+   rK     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  decoderconfigr  _PngImageFile__idatr   load_preparerT   r*   r*   r+   rA    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@  rA   rJ   r  r\   rc   r   min)rD   
read_bytesrQ   rR   rS   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
| _$d
S d
S d
S d
S )z%internal: finished reading image datar   Tr   rl   r/  r  r  r   r   Nr   r   r   )%r@  rA   rJ   r  rf   rg   rP   r$  r  r\   rc   r8  r   r   rn   r  r_   r`   r  r  rZ   r   r  rW   r2  r5  r,   r.   r9  r0  r6  r<  r   convert_transparentconvertr7  r1  )rD   rQ   rR   rS   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'  getexif_get_merged_dictrT   r*   r*   r+   _getexif  s
   
zPngImageFile._getexifc                   s   d| j vr	|   t  S )Nr   )r   r'  r   rK  rT   r   r*   r+   rK    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   _getxmprT   r*   r*   r+   getxmp  s
   
	zPngImageFile.getxmpr   )r$   r%   r&   formatformat_descriptionr&  propertyrx   rq   rI   r#  rK   rA  rE  rJ  rM  rK  rO  r
  r*   r*   r   r+   r    s     C

^	!3r  )r       )L;1rS  )r   s    )r   s    )r   s    )r   s   )r   s    )r   s   )r   s   )r   s   )r   s   )r   s   )r   s   )r   rT  r   r   r   r   r   zI;16r   r   r   r   r   r   r   c                 G  sJ   d |}| tt||  | | t|t|}| t| dS )z'Write a PNG chunk (including CRC field)r   N)joinwriteo32r   r=   rA   rQ   r;   rk   r*   r*   r+   putchunk"  s
   

rY  c                   @     e Zd Zdd Zdd ZdS )_idatc                 C  s   || _ || _d S r@   )rA   r   )rD   rA   r   r*   r*   r+   rE   0  rF   z_idat.__init__c                 C  s   |  | jd| d S )NrB  )r   rA   rD   r;   r*   r*   r+   rV  4     z_idat.writeNr$   r%   r&   rE   rV  r*   r*   r*   r+   r[  -  s    r[  c                   @  rZ  )_fdatc                 C  s   || _ || _|| _d S r@   )rA   r   r   )rD   rA   r   r   r*   r*   r+   rE   ;  s   
z_fdat.__init__c                 C  s*   |  | jdt| j| |  jd7  _d S )Nr  r   )r   rA   rW  r   r\  r*   r*   r+   rV  @  s   z_fdat.writeNr^  r*   r*   r*   r+   r_  8  s    r_  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$|d }|d|}|d|	}||dt|t|d t|d t|d t|d t%|t%dt&|t&| |d7 }|dkr|st |t!||dd|j d|fg q|t'|||}t ||dd|j d|fg |j(}q|d S )Nr   r   r   r   r   r   encoderinfor   r0  r   )r   r   r   r   r   r   F)
alpha_only)r0  r   ra  s   acTLr   r/  r   ))ra  r  r   r#   r'   r,   r-   	itertoolschainr	   Iteratorr<  r   rG  r   listr}   r)   r   r(   r   r:  r;  r=  cropr7  r   subtract_modulogetbboxrZ   rW  r   _saver[  	enumerateintroundo16r   r_  r   )r0  rA   r   r%  r   append_imagesr   r   r   r   re  	im_framesframe_countim_seqim_framera  previousprev_disposal
prev_blendbase_imr3  r   deltar   r(  
frame_datar=  frame_durationframe_disposalframe_blendfdat_chunksr*   r*   r+   _write_multiple_framesE  s   







5

$






r  c                 C  s   t | ||dd d S )NT)save_all)rk  )r0  rA   filenamer*   r*   r+   	_save_all  r]  r  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   rp  )r   r   r   r   bitsr      r    r   r   r   ;optimizeFcompress_levelr`  compress_type
dictionaryr   zcannot write mode z as PNGs   IHDRr   r   )s   cHRMs   gAMAs   sBIT   sRGBs   tIMEr   s   ICC Profiler   s   iCCPr  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   rl   flush).ra  r  r   setrd  re  r	   rf  r   r<  rH   rC  r  maxr   getdataencoderconfig	_OUTMODESKeyErrorrm   rV  r  rW  r=  r/   r   remover|   r  r0  
getpaletter   r   ro  getpalettemoderm  r   Exiftobytes
startswithr  r   rk  r[  hasattrr  )#r0  rA   r  r   r  r   modesrp  rs  rt  r<  colorsr  r%  rj   r8   r|   iccnamer;   r   chunks_multiple_allowed
info_chunkrQ   r~   palette_byte_numberpalette_bytesr   alpha_bytesalpharedgreenbluer   r   r*   r*   r+   rk    s&  
$







"



$
rk  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+   rV    rV   z"getchunks.<locals>.collector.writec                 S  s   | j | d S r@   )r;   rZ   )rD   r   r*   r*   r+   rZ     r>   z#getchunks.<locals>.collector.appendN)r$   r%   r&   r;   rV  rZ   r*   r*   r*   r+   	collector  s    r  c                 W  s0   d |}tt|t|}| |||f d S )Nr   )rU  rW  r=   rZ   rX  r*   r*   r+   rZ     s   
zgetchunks.<locals>.appendN)ra  rk  r;   )r0  paramsr  rZ   rA   r*   r*   r+   	getchunks  s   	r  z.pngz.apngz	image/png)r   )?
__future__r   rd  loggingrerf   r   r/   enumr   r   r   r   r   r   r	   _binaryr
   r   r   rL   r   r   ro  r   rW  	getLoggerr$   r_   compiler   rM   r  r   r   	SAFEBLOCKr2   r   r#   r,   r9   r=   r?   rs   rr   r{   r   r  r  r  rY  r[  r_  r  r  rk  r  register_openrP  register_saveregister_save_allregister_extensionsregister_mimer*   r*   r*   r+   <module>   s    


	YT  \  V  E