o
    پh                     @   sF  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   ^* *$@   c                   @   s   e Zd ZdZ	 dZ	 dZdS )Disposalr   r   r   N)__name__
__module____qualname__OP_NONEOP_BACKGROUNDOP_PREVIOUS r*   r*   X/home/www/facesmatcher.com/frenv_dlib/lib/python3.10/site-packages/PIL/PngImagePlugin.pyr#   c   s    r#   c                   @   s   e Zd ZdZ	 dZdS )Blendr   r   N)r$   r%   r&   	OP_SOURCEOP_OVERr*   r*   r*   r+   r,   x   s
    r,   c                 C   s   t dtdi D ],\}}| |r4| t|d  } | |jv r4t| |  d|j d|   ||    S qdt d|  d}t|)NZAPNG_DISPOSE_ZAPNG_BLEND_
   .zmodule 'z' has no attribute '')	r#   r,   items
startswithlen__members__r   r$   AttributeError)nameenumprefixmsgr*   r*   r+   __getattr__   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	plaintextr:   r*   r*   r+   _safe_zlib_decompress   s   rC   c                 C   s   t | |d@ S )Nl    )r<   crc32)dataseedr*   r*   r+   _crc32      rG   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selfrK   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 ))rL   poprK   seekreadtelli32is_cidr   LOAD_TRUNCATED_IMAGESreprSyntaxError)rN   cidposlengthrB   r:   r*   r*   r+   rT      s   

zChunkStream.readc                 C   s   | S rJ   r*   rN   r*   r*   r+   	__enter__      zChunkStream.__enter__c                 G   s   |    d S rJ   )close)rN   argsr*   r*   r+   __exit__   s   zChunkStream.__exit__c                 C   s   d  | _ | _d S rJ   )rL   rK   r^   r*   r*   r+   ra      rH   zChunkStream.closec                 C   s   | j |||f d S rJ   )rL   appendrN   r[   r\   r]   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decodere   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 rQ   z(broken PNG file (incomplete checksum in )r   rX   crc_skiprG   rV   rK   rT   rY   rZ   structerror)rN   r[   rE   Zcrc1Zcrc2r:   er*   r*   r+   crc   s   
zChunkStream.crcc                 C   s   | j d dS )zRead checksumr   N)rK   rT   )rN   r[   rE   r*   r*   r+   rn      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)	rT   ro   rp   OSErrorrr   r   
_safe_readrK   rd   )rN   ZendchunkZcidsr[   r\   r]   rq   r:   r*   r*   r+   verify   s   

zChunkStream.verifyN)rs   )r$   r%   r&   rO   rT   r_   rc   ra   rf   rl   rr   rn   rv   r*   r*   r*   r+   rI      s    rI   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textrz   r{   rN   r*   r*   r+   ry     s   	ziTXt.__new__)NN)r$   r%   r&   __doc__staticmethodry   r*   r*   r*   r+   rw      s    rw   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 rJ   )chunksr^   r*   r*   r+   rO     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)rd   r   tuple)rN   r[   rE   
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)rN   keyvaluerz   r{   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   rw   r   rz   r{   r   r   UnicodeErrorr   r<   r   )rN   r   r   r   r*   r*   r+   add_textE  s   
	

zPngInfo.add_textNF)r   r   F)r$   r%   r&   r~   rO   r   r   r   r*   r*   r*   r+   r     s    

r   c                       s   e Zd Z fddZdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ 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   )superrO   im_infoim_textim_sizeim_modeim_tile
im_paletteim_custom_mimetypeim_n_frames_seq_numrewind_statetext_memoryrM   	__class__r*   r+   rO   f  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_MEMORYrA   )rN   Zchunklenr:   r*   r*   r+   check_text_memoryw  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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   ru   rK   findrh   ri   rZ   rC   rA   rX   r<   rp   r   )rN   r\   r]   rB   icomp_methodr:   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   ru   rK   rX   rA   rV   r   _MODESr   
im_rawmode	Exceptionr   rZ   rN   r\   r]   rB   r:   r*   r*   r+   
chunk_IHDR  s$    
zPngStream.chunk_IHDRc                 C   s\   d| j v rd| j d || jfg}n| jd urd| j d< dd| j || jfg}|| _|| _t)Nbboxr   Tdefault_imager   )r   r   r   r   r   Zim_idatEOFError)rN   r\   r]   r   r*   r*   r+   
chunk_IDAT  s   


zPngStream.chunk_IDATc                 C   s   t rJ   )r   )rN   r\   r]   r*   r*   r+   
chunk_IEND  s   zPngStream.chunk_IENDc                 C   s&   t | j|}| jdkrd|f| _|S )Nr   r   )r   ru   rK   r   r   rN   r\   r]   rB   r*   r*   r+   
chunk_PLTE  s   

zPngStream.chunk_PLTEc                 C   s   t | j|}| jdkr(t|r!|d}|dkr|| jd< |S || jd< |S | jdv r6t|| jd< |S | jdkrKt|t|dt|df| jd< |S )	Nr   r   r   transparencyr   r   r   r   r   r   )	r   ru   rK   r   _simple_palettematchr   r   i16)rN   r\   r]   rB   r   r*   r*   r+   
chunk_tRNS  s   



	


 zPngStream.chunk_tRNSc                 C   s$   t | j|}t|d | jd< |S )N     j@gamma)r   ru   rK   rV   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   ru   rK   ro   unpackr4   r   r   )rN   r\   r]   rB   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   ru   rK   rX   rA   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   ru   rK   rX   rA   rV   r   )	rN   r\   r]   rB   r:   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   ru   rK   splitrA   rk   r   r   r   r4   )rN   r\   r]   rB   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   ru   rK   r   rA   rZ   rC   rX   r<   rp   rk   r   r   r   r4   )rN   r\   r]   rB   r   r   r   r:   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 qy 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   ru   rK   r   rA   r4   rC   rX   r<   rp   rk   r   rw   r   r   r   )rN   r\   r]   rrB   r   cfcmrz   tkr   r*   r*   r+   
chunk_iTXtK  sJ    zPngStream.chunk_iTXtc                 C   s    t | j|}d| | jd< |S )N   Exif  r   )r   ru   rK   r   r   r*   r*   r+   
chunk_eXIfs  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   ru   rK   rX   rA   r   warningswarnrV   r   r   )rN   r\   r]   rB   r:   n_framesr*   r*   r+   
chunk_acTLy  s$   


zPngStream.chunk_acTLc                 C   s@  t | j|}|dk rt jr|S d}t|t|}| jd u r#|dks/| jd ur5| j|d kr5d}t||| _t|dt|d}}t|dt|d	}}	| j\}
}|| |
ks_|	| |kred
}t|||	|| |	| f| j	d< t
|dt
|d}}|dkrd}t|t| d | j	d< |d | j	d< |d | j	d< |S )N   z"APNG contains truncated fcTL chunkr   r   #APNG contains frame sequence errorsr   r   r   r   zAPNG contains invalid framesr         d     duration   disposal   blend)r   ru   rK   rX   rA   rV   r   rZ   r   r   r   float)rN   r\   r]   rB   r:   seqwidthheightr   r   Zim_wZim_hZ	delay_numZ	delay_denr*   r*   r+   
chunk_fcTL  s:   
zPngStream.chunk_fcTLc                 C   sv   |dk rt jrt | j|}|S d}t|t | jd}t|}| j|d kr.d}t||| _| |d |d S )Nr   z"APNG contains truncated fDAT chunkr   r   )	r   rX   ru   rK   rA   rV   r   rZ   r   )rN   r\   r]   rB   r:   r   r*   r*   r+   
chunk_fdAT  s   zPngStream.chunk_fdAT)r$   r%   r&   rO   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   e  s,    		"(r   c                 C   s   | d d t kS )Nr   )_MAGIC)r9   r*   r*   r+   _accept  rH   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 qj 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  rK   rT   rZ   _fp_PngImageFile__frameprivate_chunksr   pngrl   r   r6   rh   ri   r   ru   islowerrd   rr   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_idatrU   _PngImageFile__rewind_seekis_animated)rN   r:   r[   r\   r]   rB   rawmoderE   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
  rS   r   load)rN   framer*   r*   r+   r}     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   )rK   RuntimeErrorrS   r   r  rv   ra   Z_exclusive_fp)rN   r:   r*   r*   r+   rv     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   rS   )rN   r  Z
last_framefrq   r:   r*   r*   r+   rS   -  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 qw |dkrd}t ||dkr|rd}t|d	}z
| j!||| W nA t"y   Y q t y   |dkr|d
8 }|r|| _Y qt| j| Y n t#y   t$%d||| t| j| Y nw q|| _| jj| _| j
d| _| j
d| _| j
d| _| js5t | jd u rF| jt&j'krFt&j(| _| jt&j'kr^| j | _| )| j| j| _d S | jt&j(krzt*j+,| j-| j.| _| )| j| j| _d S d | _d S )Nr   r   Fr   r   r   r   zcannot seek to frame Tr   rs   zNo more images in APNG file   fcTLzAPNG missing frame datar  r  )/r	  rS   r  r  r   r  r  impyaccessr   r   r   r   rK   _prev_imdisposer  r   Z
dispose_opblend_opdispose_extentr
  rA   r  paster   r   ru   rT   ro   rp   rZ   r   rl   UnicodeDecodeErrorr6   rh   ri   r#   r)   r(   _cropr   corefillr  size)rN   r  r   r:   Zframe_startr[   r\   r]   r*   r*   r+   r  <  s   



!

zPngImageFile._seekc                 C   s   | j S rJ   )r
  r^   r*   r*   r+   rU     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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-  rK   rT   r  rf   rl   r   min)rN   
read_bytesr[   r\   r]   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 qw |dkr/q|dkrB| jrBd| _| j	||| qz
| j
||| W nH tyU   Y q 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   rs   r   r  r  r   r   Nr   r   r   )%r-  rK   rT   r  ro   rp   rZ   r  r  rf   rl   r(  r   r   ru   r6   rh   ri   r  r  rd   r   r  ra   r#  r%  r,   r.   r)  r!  r&  r  r   Zconvert_transparentconvertr'  r"  )rN   r[   r\   r]   rB   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_dictr^   r*   r*   r+   _getexif  s
   
zPngImageFile._getexifc                    s   d| j vr	|   t  S )Nr   )r   r  r   r7  r^   r   r*   r+   r7     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_getxmpr^   r*   r*   r+   getxmp  s
   	zPngImageFile.getxmpr   )r$   r%   r&   formatformat_descriptionr  propertyr}   rv   rS   r  rU   r.  r2  r6  r8  r7  r9  r  r*   r*   r   r+   r    s     C

]	!3r  )r       )L;1r=  )r   s    )r   s    )r   s    )r   s   )r   s    )r   s   )r   s   )r   s   )r   s   )r   s   )r   s   )r   r>  r   r   r   r   r   zI;16r   r   r   r   r   r   c                 G   sJ   d |}| tt||  | | t|t|}| t| dS )z'Write a PNG chunk (including CRC field)r   N)joinwriteo32r4   rG   rK   r[   rE   rr   r*   r*   r+   putchunk*  s
   

rC  c                   @      e Zd Zdd Zdd ZdS )_idatc                 C   s   || _ || _d S rJ   )rK   r   )rN   rK   r   r*   r*   r+   rO   8  rP   z_idat.__init__c                 C   s   |  | jd| d S )Nr/  )r   rK   rN   rE   r*   r*   r+   r@  <     z_idat.writeNr$   r%   r&   rO   r@  r*   r*   r*   r+   rE  5  s    rE  c                   @   rD  )_fdatc                 C   s   || _ || _|| _d S rJ   )rK   r   r   )rN   rK   r   r   r*   r*   r+   rO   C  s   
z_fdat.__init__c                 C   s*   |  | jdt| j| |  jd7  _d S )Nr  r   )r   rK   rA  r   rF  r*   r*   r+   r@  H  s   z_fdat.writeNrH  r*   r*   r*   r+   rI  @  s    rI  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|dkrg|j|| jd}n||}| j  }t|ttfr~|| |d< t|ttfr|| |d< t|	ttfr|	| |d< |d7 }|r4|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}| }|s3||dkr3||dkr3t|ttfr2|d
 d  |d 7  < qNnd }||||d qNqG||dtt|t| |rct !| t"||dd| j d|fg d}t#|D ]\}}|d }|d s|d|j }n	|d }||}|j}|d
 }t$t%|d|}|d|}|d|	}||dt|t|d t|d t|d t|d t&|t&dt'|t'| |d7 }|dkr|st !|t"||dd|j d|fg qit(|||}t !||dd|j d|fg |j)}qid S )Nr   r   r   r   r   r   )r  r   encoderinfor   r!  r   )r   r   r   r   r   r   r   )r!  r   rK  s   acTLr   r   r   )*rK  r  r   r#   r'   r,   r-   	itertoolschainr   Iteratorr  r   r3  r  r   listr   r)   r4   r(   r   r*  r+  r,  cropr'  r   Zsubtract_moduloZgetbboxrd   rA  r   _saverE  	enumerateintroundo16r   rI  r   )r!  rK   r   r  r   append_imagesr   r   r   r   rN  Z	im_framesZframe_countim_seqim_framerK  previousZprev_disposalZ
prev_blendZbase_imr$  r   deltar   r  Z
frame_datar,  Zframe_durationZframe_disposalZframe_blendZfdat_chunksr*   r*   r+   _write_multiple_framesM  s   






6
$






r\  c                 C   s   t | ||dd d S )NT)save_all)rR  )r!  rK   filenamer*   r*   r+   	_save_all  rG  r_  Fc           $   
   C   s  |rI| j d| jd}t }| j dg }|rt|}nt| g|}|D ]}	t|	D ]}
||
j	 q/q(dD ]}||v rC qHq;|
 }n| j	}|dkrd| j v r`td| j d > d}n| jruttt| j d d dd}nd}|d	kr|d
krd}n	|dkrd
}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}|rbg d }|jD ]B}|d d
 \}}||v r;|| |||| q||v rH|||| q|dd
  r`|d
d }|s`|||| q| j	dkr|d }| jd!d | }t||k r|d7 }t||k s}||d"| | j d#| jd#d }|s|dkr| j	dkr|}t|t r||d$|d |  q9tdtd%|}d&| d }||d$|d |  q9| j	d'v rtdtd(|}||d$t!| q9| j	d!kr|\}} }!||d$t!|t!|  t!|!  q9d#| j v rd)}t|n!| j	dkr9| j" d*kr9| jd*d+}|}||d$|d |  | j d,}"|"r^||d-tt#|"d d. d/ tt#|"d d. d/ d0 |rd1d2g}|jD ]}|d d
 \}}||v r|| |||| qh| j d3}#|#rt|#t$j%r|#&d4}#|#'d5r|#d6d  }#||d7|# |rt(| ||||| nt)*| 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   rW  )r   r   r   r   bitsr      r    r   r   r   ;optimizeFZcompress_levelrJ  compress_type
dictionaryr   zcannot write mode z as PNGs   IHDRr   r   )s   cHRMs   gAMAs   sBIT   sRGBs   tIMEr   s   ICC Profiler   s   iCCPrf  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   rs   flush).rK  r  r   setrM  rN  r   rO  r   r  rR   r0  r  maxr4   ZgetdataZencoderconfig	_OUTMODESKeyErrorrt   r@  r  rA  r,  r<   r   remover   r  r!  Z
getpaletter   r   rV  ZgetpalettemoderT  r   ZExiftobytesr3   r\  r   rR  rE  hasattrrk  )$r!  rK   r^  r   r]  r   modesrW  rN  rX  rY  r  colorsr`  r  rq   r:   r   Ziccr7   rE   r   Zchunks_multiple_allowedZ
info_chunkr[   r   Zpalette_byte_numberZpalette_bytesr   Zalpha_bytesalpharedgreenbluer   r   r*   r*   r+   rR    s&  
$







$



$
rR  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 rJ   r*   rF  r*   r*   r+   r@    r`   z"getchunks.<locals>.collector.writec                 S   s   | j | d S rJ   )rE   rd   )rN   r   r*   r*   r+   rd     rH   z#getchunks.<locals>.collector.appendN)r$   r%   r&   rE   r@  rd   r*   r*   r*   r+   	collector  s    ry  c                 W   s0   d |}tt|t|}| |||f d S )Nr   )r?  rA  rG   rd   rB  r*   r*   r+   rd     s   
zgetchunks.<locals>.appendN)rK  rR  rE   )r!  paramsry  rd   rK   r*   r*   r+   	getchunks  s   	r{  z.pngz.apngz	image/png)r   )@rM  loggingrero   r   r<   r8   r   r   r   r   r   r   r   _binaryr	   r   r
   rV   r   r   rV  r   rA  Z
_deprecater   	getLoggerr$   rh   compiler   rW   r  r   r   Z	SAFEBLOCKr?   r   r#   r,   r;   rC   rG   rI   rx   rw   r   r   r  r  rn  rC  rE  rI  r\  r_  rR  r{  Zregister_openr:  Zregister_saveZregister_save_allZregister_extensionsZregister_mimer*   r*   r*   r+   <module>   s   !


	YT  [  U} G