o
    hد                     @   s:  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$G d d! d!eZ%d"d# Z&d$d% Z'dTd&d'Z(G d(d) d)Z)G d*d+ d+e*Z+G d,d- d-Z,G d.d/ d/e)Z-d0d1 Z.G d2d3 d3ejZ/d4d5d6d7d8d9d:d:d;d<d=d>d?d@dAZ0dBdC Z1G dDdE dEZ2G dFdG dGZ3dHdI Z4dJdK Z5e1dLfdMdNZ6dOdP Z7e	8e/j9e/e. e	:e/j9e6 e	;e/j9e5 e	<e/j9dQdRg e	=e/j9dS dS )U    N)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   ^* *$@   c                   @   s   e Zd ZdZ	 dZ	 dZdS )Disposalr   r   r   N)__name__
__module____qualname__OP_NONEOP_BACKGROUNDOP_PREVIOUS r)   r)   Z/var/www/html/magazine_api/magazine_env/lib/python3.10/site-packages/PIL/PngImagePlugin.pyr"   b   s    r"   c                   @   s   e Zd ZdZ	 dZdS )Blendr   r   N)r#   r$   r%   	OP_SOURCEOP_OVERr)   r)   r)   r*   r+   w   s
    r+   c                 C   s   d}t dtdi D ]5\}}| |r?| t|d  } | |jv r?tj||  d | d |j d |  d t	dd	 ||    S q
t
d
t d|  d)Nz:deprecated and will be removed in Pillow 10 (2023-07-01). ZAPNG_DISPOSE_ZAPNG_BLEND_z is zUse .z	 instead.r   )
stacklevelzmodule 'z' has no attribute '')r"   r+   items
startswithlen__members__warningswarnr#   DeprecationWarningAttributeError)name
deprecated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
   rE   c                 C   s   t | |d@ S )Nl    )r>   crc32)dataseedr)   r)   r*   _crc32      rI   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selfrM   r)   r)   r*   __init__   s   
zChunkStream.__init__c                 C   s~   d}| j r| j  \}}}| j| n| jd}|dd }| j }t|}t|s:tj	s:t
dt| d|||fS )z.Fetch a new chunk. Returns header information.Nr   r   zbroken PNG file (chunk ))rN   poprM   seekreadtelli32is_cidr   LOAD_TRUNCATED_IMAGESSyntaxErrorrepr)rP   cidposlengthrD   r)   r)   r*   rU      s   

zChunkStream.readc                 C   s   | S rL   r)   rP   r)   r)   r*   	__enter__      zChunkStream.__enter__c                 G   s   |    d S rL   )close)rP   argsr)   r)   r*   __exit__   s   zChunkStream.__exit__c                 C   s   d  | _  | _| _d S rL   )rN   crcrM   r_   r)   r)   r*   rb      s   zChunkStream.closec                 C   s   | j |||f d S rL   )rN   appendrP   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decoderg   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r1tdt| dW dS  t	j
yK } ztdt| d|d}~ww )	zRead and verify checksumr      r   Nr   z(broken PNG file (bad header checksum in rR   z(broken PNG file (incomplete checksum in )r   rY   crc_skiprI   rW   rM   rU   rZ   r[   structerror)rP   r\   rG   Zcrc1Zcrc2er)   r)   r*   re      s&   zChunkStream.crcc                 C   s   | j d dS )z3Read checksum.  Used if the C module is not presentr   N)rM   rU   )rP   r\   rG   r)   r)   r*   rp      s   zChunkStream.crc_skip   IENDc              
   C   sn   g }	 z	|   \}}}W n tjy } ztd|d }~ww ||kr&	 |S | |t| j| || q)NTztruncated PNG file)	rU   rq   rr   OSErrorre   r   
_safe_readrM   rf   )rP   ZendchunkZcidsr\   r]   r^   rs   r)   r)   r*   verify   s   

zChunkStream.verifyN)rt   )r#   r$   r%   rQ   rU   r`   rd   rb   rh   rn   re   rp   rw   r)   r)   r)   r*   rK      s    rK   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textr{   r|   rP   r)   r)   r*   rz     s   	ziTXt.__new__)NN)r#   r$   r%   __doc__staticmethodrz   r)   r)   r)   r*   rx     s    rx   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 rL   )chunksr_   r)   r)   r*   rQ   $  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)rf   r   tuple)rP   r\   rG   
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)rP   keyvaluer{   r|   zipr)   r)   r*   add_itxt6  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   rx   r   r{   r|   r   r   UnicodeErrorr   r>   r   )rP   r   r   r   r)   r)   r*   add_textR  s   
	

zPngInfo.add_textNF)r   r   F)r#   r$   r%   r   rQ   r   r   r   r)   r)   r)   r*   r     s    

r   c                       s   e Zd Z fddZdd Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd Zdd Zdd  Zd!d" Zd#d$ 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   )superrQ   im_infoim_textim_sizeim_modeim_tile
im_paletteim_custom_mimetypeim_n_frames_seq_numrewind_statetext_memoryrO   	__class__r)   r*   rQ   s  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_MEMORYrC   )rP   Zchunklenr)   r)   r*   check_text_memory  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 n tyJ   t j	rGd }n Y n t
jyU   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   rv   rM   findrj   rk   rZ   rE   rC   rY   r>   rr   r   )rP   r]   r^   rD   icomp_methodr   r)   r)   r*   
chunk_iCCP  s&   

zPngStream.chunk_iCCPc                 C   s~   t | j|}t|dt|df| _zt|d |d f \| _| _W n	 ty+   Y nw |d r5d| j	d< |d r=t
d	|S )
Nr   r   r   	      r   	interlace   zunknown filter category)r   rv   rM   rW   r   _MODESr   
im_rawmode	Exceptionr   rZ   rP   r]   r^   rD   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)rP   r]   r^   r   r)   r)   r*   
chunk_IDAT  s   


zPngStream.chunk_IDATc                 C   s   t rL   )r   )rP   r]   r^   r)   r)   r*   
chunk_IEND     zPngStream.chunk_IENDc                 C   s&   t | j|}| jdkrd|f| _|S )Nr   r   )r   rv   rM   r   r   r   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   rv   rM   r   _simple_palettematchr   r   i16)rP   r]   r^   rD   r   r)   r)   r*   
chunk_tRNS  s   



	


 zPngStream.chunk_tRNSc                 C   s$   t | j|}t|d | jd< |S )N     j@gammar   rv   rM   rW   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   rv   rM   rq   unpackr3   r   r   )rP   r]   r^   rD   Zraw_valsr)   r)   r*   
chunk_cHRM  s   zPngStream.chunk_cHRMc                 C   s    t | j|}|d | jd< |S )Nr   Zsrgbr   rv   rM   r   r   r)   r)   r*   
chunk_sRGB   s   zPngStream.chunk_sRGBc                 C   sl   t | j|}t|dt|d}}|d }|dkr)|d |d f}|| jd< |S |dkr4||f| jd< |S )Nr   r   r   r   
F%u?dpiZaspectr   )rP   r]   r^   rD   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   rv   rM   splitrC   rm   r   r   r   r3   )rP   r]   r^   rD   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r4td| dz
t|dd  }W n tyN   t jrKd}n Y n tj	yY   d}Y nw |ry|
dd}|
dd	}| | j|< | j|< | t| |S )
Nr   r   r   r   r   z in zTXt chunkr   r   r   )r   rv   rM   r   rC   rZ   rE   rY   r>   rr   rm   r   r   r   r3   )rP   r]   r^   rD   r   r   r   r)   r)   r*   
chunk_zTXt,  s8   
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   rv   rM   r   rC   r3   rE   rY   r>   rr   rm   r   rx   r   r   r   )rP   r]   r^   rrD   r   cfcmr{   tkr   r)   r)   r*   
chunk_iTXtN  sJ    zPngStream.chunk_iTXtc                 C   s    t | j|}d| | jd< |S )N   Exif  r   r   r   r)   r)   r*   
chunk_eXIfw  s   zPngStream.chunk_eXIfc                 C   sr   t | j|}| jd urd | _td |S t|}|dks"|dkr)td |S || _t|d| jd< d| _|S )Nz4Invalid APNG, will use default PNG image if possibler   l        r   loopz
image/apng)	r   rv   rM   r   r5   r6   rW   r   r   )rP   r]   r^   rD   n_framesr)   r)   r*   
chunk_acTL}  s   


zPngStream.chunk_acTLc                 C   s  t | j|}t|}| jd u r|dks | jd ur$| j|d kr$td|| _t|dt|d}}t|dt|d}}| j\}	}
|| |	ksN|| |
krRtd|||| || f| jd	< t|d
t|d}}|dkrpd}t	|t	| d | jd< |d | jd< |d | jd< |S )Nr   r   #APNG contains frame sequence errorsr   r   r   r   zAPNG contains invalid framesr         d     duration   disposal   blend)
r   rv   rM   rW   r   rZ   r   r   r   float)rP   r]   r^   rD   seqwidthheightr   r   Zim_wZim_hZ	delay_numZ	delay_denr)   r)   r*   
chunk_fcTL  s&   
zPngStream.chunk_fcTLc                 C   sF   t | jd}t|}| j|d krtd|| _| |d |d S )Nr   r   r   )r   rv   rM   rW   r   rZ   r   )rP   r]   r^   rD   r   r)   r)   r*   
chunk_fdAT  s   zPngStream.chunk_fdAT)r#   r$   r%   rQ   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r  __classcell__r)   r)   r   r*   r   r  s,    	")r   c                 C   s   | d d t kS )Nr   )_MAGIC)r<   r)   r)   r*   _accept  rJ   r  c                       s   e Zd ZdZdZdd Zedd Zdd Zd	d
 Z	dddZ
dd Zdd Zdd Zdd Zdd Z fddZdd Zdd Z  ZS )PngImageFileZPNGzPortable network graphicsc              	   C   s  t | jdstd| j| _d| _g | _t| j| _	 | j \}}}z
| j	|||}W n0 t
y8   Y n0 ty_   td||| t| j|}|dd  r]| j||f Y nw | j|| q| jj| _| jj| _| jj| _d | _| jj| _| jj| _| jjpd| _| j dd	| _!| jj"r| jj"\}}t#$||| _%|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  rM   rU   rZ   _PngImageFile__fp_PngImageFile__frameprivate_chunksr   pngrn   r   r8   rj   rk   r   rv   islowerrf   re   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_idatrV   _PngImageFile__rewind_seekis_animated)rP   r\   r]   r^   rD   rawmoderG   r)   r)   r*   _open  sX   






zPngImageFile._openc                 C   sD   | j d u r| jr| j}| | jd  |   | jr| | | j S )Nr   )r  r  r	  rT   r   load)rP   framer)   r)   r*   r~      s   

zPngImageFile.textc                 C   sZ   | j du r	td| 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   )rM   RuntimeErrorrT   r   r  rw   rb   Z_exclusive_fpr_   r)   r)   r*   rw     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
| | td|d }~ww d S )Nr   Tr   zno more images in APNG file)Z_seek_checkr	  r  ranger   rT   )rP   r  Z
last_framefrs   r)   r)   r*   rT     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rbtd| |   | jrr| j| j| j | j | _| j | _| jrt| j| j d| _d}	 | jd
 z
| j \}}}W n tjtfy   Y n`w |dkrt d|dkr|rtd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s,t | jd u r=| jt&j'kr=t&j(| _| jt&j'krU| j | _| )| j| j| _d S | jt&j(krqt*j+,| j-| j.| _| )| j| j| _d S d | _d S )Nr   r   Fr   r   r   r   zcannot seek to frame Tr   rt   zNo more images in APNG file   fcTLzAPNG missing frame datar  r  )/r  rT   r  r  r   r  r  impyaccessr   r   r   r   rM   _prev_imdisposer  r   Z
dispose_opblend_opdispose_extentr	  rC   r  paster   r   rv   rU   rq   rr   rZ   r   rn   UnicodeDecodeErrorr8   rj   rk   r"   r(   r'   _cropr   corefillr  size)rP   r  r   Zframe_startr\   r]   r^   r)   r)   r*   r  -  s   




zPngImageFile._seekc                 C   s   | j S rL   )r	  r_   r)   r)   r*   rV     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,  rM   rU   r  rh   rn   r   min)rP   
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 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 | j| _| j!rd
| _!d
S d
S d
S d
S )z%internal: finished reading image datar   Tr   rt   r  r  r  r   r   Nr   )"r,  rM   rU   r  rq   rr   rZ   r  r  rh   rn   r'  r   r   rv   r8   rj   rk   r  r
  rf   r   r  rb   r"  r$  r+   r-   r(  r   r%  r&  convertr!  )rP   r\   r]   r^   rD   updatedr)   r)   r*   load_end  sZ   




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   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   Z_getxmpr_   r)   r)   r*   getxmp  s
   
	zPngImageFile.getxmpc                 C   sP   z#z| j | jkr| j   W n	 ty   Y nw W d | _ d S W d | _ d S d | _ w rL   )r  rM   rb   r8   r_   r)   r)   r*   
_close__fp  s   

zPngImageFile._close__fpr   )r#   r$   r%   formatformat_descriptionr  propertyr~   rw   rT   r  rV   r-  r1  r4  r6  r5  r7  r8  r  r)   r)   r   r*   r    s"    D

Z	!/r  )r       )L;1r<  )r   s    )r   s    )r   s    )r   s   )r   s    )r   s   )r   s   )r   r   )r   s   )r   s   )r   s   )r   r=  r   r   r   r   r   zI;16r   r   r   r   r   r   c                 G   sJ   d |}| tt||  | | t|t|}| t| dS )z'Write a PNG chunk (including CRC field)r   N)joinwriteo32r3   rI   rM   r\   rG   re   r)   r)   r*   putchunk  s
   

rB  c                   @      e Zd Zdd Zdd ZdS )_idatc                 C   s   || _ || _d S rL   )rM   r   )rP   rM   r   r)   r)   r*   rQ   +  s   
z_idat.__init__c                 C   s   |  | jd| d S )Nr.  )r   rM   rP   rG   r)   r)   r*   r?  /     z_idat.writeNr#   r$   r%   rQ   r?  r)   r)   r)   r*   rD  (  s    rD  c                   @   rC  )_fdatc                 C   s   || _ || _|| _d S rL   )rM   r   r   )rP   rM   r   r   r)   r)   r*   rQ   6  s   
z_fdat.__init__c                 C   s*   |  | jdt| j| |  jd7  _d S )Nr  r   )r   rM   r@  r   rE  r)   r)   r*   r?  ;  s   z_fdat.writeNrG  r)   r)   r)   r*   rH  3  s    rH  c                 C   s<  | 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}|rJt| 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r|| |d< t|ttfr|| |d< t|ttfr|| |d< |d
7 }|
rL|
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}| }|sK||dkrK||dkrKt|ttfrJ|d d  |d 7  < qcnd }|
|||d qcq\||dtt|
t| |r{t !| t"||dd| j d|fg d}t#|
D ]\}}|d }|d sd|j }n	|d }||}|j}|d }t$t%|d|}|d|}|d|}||dt|t|d t|d
 t|d t|d
 t&|t&dt'|t'| |d
7 }|dkr|st !|t"||dd|j d|fg qt(|||}t !||dd|j d|fg |j)}qd S )Nr   r   r   r   r   r   Zappend_imagesr   )r  r   encoderinfor   r   r   )r   r   r   r   r   r   r   )r   r   rJ  s   acTLr   r  r   )*rJ  r  r   r"   r&   r+   r,   	itertoolschainr   Iteratorr   r  r2  r  r   listr   r(   r3   r'   r   r)  r*  r+  cropr&  r   Zsubtract_moduloZgetbboxrf   r@  r   _saverD  	enumerateintroundo16r   rH  r   )r   rM   r   r  r   r   r   r   r   rM  Z	im_framesZframe_countZim_seqZim_framerJ  previousZprev_disposalZ
prev_blendZbase_imr#  r   deltar   r  Z
frame_datar+  Zframe_durationZframe_disposalZframe_blendZfdat_chunksr)   r)   r*   _write_multiple_frames@  s   


5
$






rX  c                 C   s   t | ||dd d S )NT)save_all)rQ  )r   rM   filenamer)   r)   r*   	_save_all  rF  r[  Fc              
   C   sh  | j }|dkrId| jv rtd| jd > d}n| jr,ttt| j d d dd}nd}|dkrI|dkr9d}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	td| d|	d }	~	ww |t ||dt| jd t| jd |ddd g d}
| jd| jd}|rd}|d t| }||d| |
d | jd}|rg d}|jD ]=}|d d \}}||
v r|
| |||| q||v r|||| q|dd  r|dd }|s|||| q| j dkr=|d }| jdd | }t||k r7|d7 }t||k s,||d| | jd | jd d }|sQ|dkr| j dkr|}t|trj||d!|d |  nxtdtd"|}d#| d }||d!|d |  n_| j d$v rtdtd%|}||d!t| nH| j dkr|\}}}||d!t|t| t|  n,d | jv rtd&n!| j dkr| j d'kr| jd'd(}|}||d!|d |  | jd)}|r||d*tt|d d+ d, tt|d d+ d, d- |r-d.d/g}
|jD ]}|d d \}}||
v r+|
| |||| q| jd0| jd0}|rYt|tjrG|d1}| d2rS|d3d  }||d4| |rdt!| ||| nt"#| t$||d5d6| j d|fg |r|jD ]#}|d d \}}|dd  r|dd }|r|||| q|||d7d t%|d8r|&  d S d S )9Nr   bitsr      r   r   r   r   ;optimizeFZcompress_levelrI  compress_type
dictionaryr   zcannot write mode z as PNGs   IHDRr   r   )s   cHRMs   gAMAs   sBIT   sRGBs   tIMEr   s   ICC Profiler   s   iCCPrb  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   rt   flush)'r  rJ  r/  r  maxr3   Zgetdatar  Zencoderconfig	_OUTMODESKeyErrorru   r?  r  r@  r+  r   r>   r   remover   r  r   Z
getpaletter   r   rU  ZgetpalettemoderS  r   ZExiftobytesr2   rX  r   rQ  rD  hasattrrg  )r   rM   rZ  r   rY  r  colorsr\  r  rs   r   Ziccr9   rG   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*   rQ    s   
$




"



$
rQ  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 rL   r)   rE  r)   r)   r*   r?  y  ra   z"getchunks.<locals>.collector.writec                 S   s   | j | d S rL   )rG   rf   )rP   r   r)   r)   r*   rf   |  rJ   z#getchunks.<locals>.collector.appendN)r#   r$   r%   rG   r?  rf   r)   r)   r)   r*   	collectorv  s    rs  c                 W   s0   d |}tt|t|}| |||f d S )Nr   )r>  r@  rI   rf   rA  r)   r)   r*   rf     s   
zgetchunks.<locals>.appendN)rJ  rQ  rG   )r   paramsrs  rf   rM   r)   r)   r*   	getchunkss  s   	ru  z.pngz.apngz	image/png)r   )>rL  loggingrerq   r5   r>   r;   r   r   r   r   r   r   r   _binaryr	   r   r
   rW   r   r   rU  r   r@  	getLoggerr#   rj   compiler   rX   r  r   r   Z	SAFEBLOCKrA   r   r"   r+   r=   rE   rI   rK   ry   rx   r   r   r  r  ri  rB  rD  rH  rX  r[  rQ  ru  Zregister_openr9  Zregister_saveZregister_save_allZregister_extensionsZregister_mimer)   r)   r)   r*   <module>   s   !


\T  ?  W} 3