o
    6>g                     @  sF  d dl m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	 d dl
mZmZmZmZmZmZ ddlmZmZ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 erdddlmZ ddl m!Z! G dd deZ"e"j#Z$dbddZ%G dd dejZ&ddddZ'dcddZ(ee)e*e+e, ejf Z-ddd"d#Z.ded'd(Z/dfd,d-Z0G d.d/ d/eZ1dgd0d1Z2dhd4d5Z3	6didjd8d9Z4dkd;d<Z5dld@dAZ6dhdBdCZ7d6Z8dmdEdFZ9dndHdIZ:dodJdKZ;dpdLdMZ<dqdPdQZ=drdSdTZ>dsdVdWZ?	dtdudZd[Z@	\dvdwd^d_ZAeBe&jCe&e% eDe&jCe4 eEe&jCe3 eFe&jCd` eGe&jCda dS )x    )annotationsN)IntEnum)cached_property)IOTYPE_CHECKINGAnyLiteral
NamedTupleUnion   )Image
ImageChops	ImageFile	ImageMathImageOpsImagePaletteImageSequence)i16le)o8)o16le)_imaging)Bufferc                   @  s   e Zd ZdZdZdZdZdS )LoadingStrategyz.. versionadded:: 9.1.0r   r      N)__name__
__module____qualname____doc__RGB_AFTER_FIRST RGB_AFTER_DIFFERENT_PALETTE_ONLY
RGB_ALWAYS r!   r!   E/var/www/html/venv/lib/python3.10/site-packages/PIL/GifImagePlugin.pyr   6   s
    r   prefixbytesreturnboolc                 C  s   | d d dv S )N   )s   GIF87as   GIF89ar!   )r#   r!   r!   r"   _acceptE   s   r(   c                      s   e Zd ZdZdZdZdZd#ddZd$ddZd%ddZ	e
d&ddZed'ddZd(ddZd)d*ddZd% fddZd%dd Zd&d!d"Z  ZS )+GifImageFileGIFzCompuserve GIFFNr%   bytes | Nonec                 C  s,   | j d}|r|d r| j |d S d S )Nr   r   )fpread)selfsr!   r!   r"   dataU   s   zGifImageFile.datapr$   r&   c                 C  s\   t dt|dD ]#}|d ||   kr'||d    kr'||d  ks+ dS   dS qdS )Nr      r   r   TF)rangelen)r.   r1   ir!   r!   r"   _is_palette_needed[   s   4zGifImageFile._is_palette_neededNonec                 C  s   | j d}t|sd}t||d d | jd< t|dt|df| _|d }|d@ d }|d	@ rR|d
 | jd< | j d|> }| |rRt	d|}| | _
| _| j | _| j  | _d | _| d d S )N   znot a GIF filer'   version   
      r         
backgroundr2   RGBr   )r,   r-   r(   SyntaxErrorinfoi16_sizer6   r   rawglobal_palettepalette_fptell_GifImageFile__rewind	_n_frames_seek)r.   r/   msgflagsbitsr1   r!   r!   r"   _opena   s$   
zGifImageFile._openintc                 C  s\   | j d u r+|  }z	 | |  d d q ty%   |  d | _ Y nw | | | j S )NTr   FrK   rI   rL   EOFErrorseek)r.   currentr!   r!   r"   n_frames{   s   

zGifImageFile.n_framesc                 C  s^   | j d ur
| j dkS |  }|rdS z
| dd d}W n ty'   d}Y nw | | |S )Nr   TFrR   )r.   rU   is_animatedr!   r!   r"   rW      s   


zGifImageFile.is_animatedframec                 C  s   |  |sd S || jk rd | _| d | j}t| jd |d D ]!}z| | W q! tyB } z| | d}t||d }~ww d S )Nr   r   no more images in GIF file)_seek_check_GifImageFile__frame_imrL   r3   rS   rT   )r.   rX   
last_frameferM   r!   r!   r"   rT      s    




zGifImageFile.seekTupdate_imagec                   s$  |dkr!d _ d  _d _ j j d _d jv r  jd= n	 jr*|r* 	  | jd kr:d| }t
| j _ j rT j j    rQ	   sLd _  jd}|r`|dkrfd}t|d }i }d }d }d }		 |sy jd}|r|dkrnE|d	kr3 jd}  }
|d d
kr|
d ur|
d }|d@ r|
d }t|
dd |d< d|@ }|d? }|r| _nj|d dkrd}|
r||
7 }  }
|
sd|v r|d  d| 7  < n||d< d }qp|d dkr'|dkr'|
d ur'|
 j f|d< |
d d dkr'  }
|
r't|
dkr'|
d dkr't|
d jd<   r2	   s,n|dkrÈ jd}t|dt|d}}|t|d |t|d }}| jd ksh| jd kr|rt| jd t| jd f _t j ||||f}	|d }|d@ dk}|d@ r|d@ d } jd|> } |rtd |}nd!} jdd } j  _ nd }qq|d u rd"}t|| _|sd S g  _ jr j j j |d ur|n j _| _|dkr4 jrt t!j"kr|d urd#nd  _#nd$ _#nd% _#|r| _$nS jr0dd&l%m%} | j _$nBd  _$n> j&d$krrt t!j'ksC|rrd' jv re j( jd' d  j)d#tj*j+ _d# _# jd'= nd  _# j)d tj*j+ _d3 fd,d-}d  _|	 _ jr. jdkr.z jdkrވ j\}}}}|| || f}t| d$} j,d'|}|d ur j&d.v rd#}||d/ }n j,d0d} j&d.v rd }||}tj-.||| _nD j/d ur 0 j j _n4|d ur" j\}}}}|| || f}t| d$}|} j&d.v rd#}||d/ }tj-.||| _W n
 t1y-   Y nw |d ured}|d urS|dkrKt t!j"krJ| jd'< n j&d.vrS|}t23d1||||f j |||fg _|,drr|d  jd< d2D ]}||v r||  j|< qt| jv r j|= qtd S )4Nr   commentr   zcannot seek to frame    ;rY   T   !   r2   r;   duration   r             
   	extensionr>      NETSCAPE2.0loop   ,	      r'   r:   @   r=   r<   r@   Fzimage not found in GIF frameRGBAPL)copytransparencycolorrQ   r%   tuple[int, int, int]c                   sL    j r!| d d t j jkrd} t j j| d | d d  S | | | fS )Nr2   r   )_frame_paletter4   rG   tuple)rx   r.   r!   r"   _rgbY  s
    
z GifImageFile._seek.<locals>._rgbr@   rs   )r   r?   gif)rf   rl   )rx   rQ   r%   ry   )4_GifImageFile__offsetdisposer[   rH   rT   rJ   disposal_methodrB   tileload
ValueErrorr,   r0   r-   rS   rC   rI   r4   sizemaxrD   r   _decompression_bomb_checkr6   r   rE   impastedispose_extentrF   rz   _frame_transparencyLOADING_STRATEGYr   r    _moderG   rv   moder   putpalettealphaconvertDitherFLOYDSTEINBERGgetcorefillr\   _cropAttributeErrorr   _Tile)r.   rX   r`   rM   r/   rG   rB   frame_transparency	interlaceframe_dispose_extentblockrN   dispose_bitsrb   x0y0x1y1rO   r1   rv   r}   dispose_sizedispose_moderx   rw   kr!   r|   r"   rL      sx  



""


&"

[










	
zGifImageFile._seekc                   s  | j rdnd}d | _| jdkr | jd urtj|| j| j| _n*| j	dv rJ| j| _| j rGtjd| j| jp6d| _| jj
dg| j  R   nd | _| js| jd ur| j| jjkrtj| jj	| j}| j rr|j
dg| j  R   || jd| jj  || _|| _d | _ t   d S )Nrt   ru   r   r~   r@   r   r   )rz   _prev_imr[   r   r   r   r   r   r   r   
putpalettegetdatar\   r   r   superload_prepare)r.   	temp_modeexpanded_im	__class__r!   r"   r     s.   



zGifImageFile.load_preparec                 C  s  | j dkr0| jdkr.ttjkr.| jd ur | j| jd d| _nd| _| j	| jt
jj| _d S | js5d S | j| jjkrv| jd urJt
jd| j}nt
jd| j}|dd| j  |	d}|| jd| jj  || _| jd usvJ | jd ur| j| jd | j	d}n| j	d}| jd usJ | || j}| j| _| jj| _|jdkr| j|| j| d S | j|| j d S )Nr   rt   rs   r@   r   )r[   r   r   r   r    r   r   r   r   r   r   r   r   r   r   r   r   r   
getpaletter   r   r   )r.   r   frame_imr!   r!   r"   load_end  s<   






zGifImageFile.load_endc                 C  s   | j S N)r[   r|   r!   r!   r"   rI     s   zGifImageFile.tell)r%   r+   )r1   r$   r%   r&   )r%   r7   )r%   rQ   )r%   r&   )rX   rQ   r%   r7   )T)rX   rQ   r`   r&   r%   r7   )r   r   r   formatformat_description!_close_exclusive_fp_after_loadingrF   r0   r6   rP   propertyrV   r   rW   rT   rL   r   r   rI   __classcell__r!   r!   r   r"   r)   N   s&    



  
'r)   ru   rt   )1ru   rt   r   Image.Imagec                 C  s   | j tv r|   | S t| j dkrD| jdtjjd} | jdus#J | jj dkrB| jj	D ]}|d dkrA| jj	| | j
d<  | S q-| S | d	S )
a  
    Takes an image (or frame), returns an image in a mode that is appropriate
    for saving in a Gif.

    It may return the original image, or it may return an image converted to
    palette or 'L' mode.

    :param im: Image object
    :returns: Image object
    r@   rt   rG   Nrs   r2   r   rw   ru   )r   RAWMODEr   r   getmodebaser   PaletteADAPTIVErG   colorsrB   )r   rgbar!   r!   r"   _normalize_mode  s   

r   rG   _Palette | NonerB   dict[str, Any]c                 C  s  d}|rt |tttfrt|dd }t |tjrt|j}| jdkr6|s5| d}|dus1J t|}n|sCtdd tdD }tjd|d| _|dusQJ |rg }| jdus\J tdt	|d	D ]}t
|||d	  }| jj|}||v r}d}|| qdt|D ]\}}|du rtt	|D ]}	|	|vr|	||<  nqqg }
|D ]}|dusJ |
| q| |
} n/t| |}|dur| ||} d
|v rz||d
 |d
< W | S  ty   |d
= Y | S w | S | jdusJ || j_| S )at  
    Normalizes the palette for image.
      - Sets the palette to the incoming palette, if provided.
      - Ensures that there's a palette for L mode images
      - Optimizes the palette if necessary/desired.

    :param im: Image object
    :param palette: bytes object containing the source palette, or ....
    :param info: encoderinfo
    :returns: Image object
    Ni   rt   c                 s  s    | ]}|d  V  qdS )r2   Nr!   .0r5   r!   r!   r"   	<genexpr>0  s    z%_normalize_palette.<locals>.<genexpr>r@   r   r   r2   rw   )
isinstancer$   	bytearraylistr   rG   r   r   r3   r4   r{   r   r   append	enumerateremap_palette_get_optimizeindexr   )r   rG   rB   source_palette
im_paletteused_palette_colorsr5   source_colorr   jdest_mapoptimized_palette_colorsr!   r!   r"   _normalize_palette  sn   




r   r,   	IO[bytes]r7   c                 C  s   t | }|j D ]\}}t|tr| j|| q	t||| j}t|| jD ]}|	| q'd}t
| r9|dB }t|| d| dt
| f|_t||tdd| j dt|j g |	d d S )Nr   rr   r   r:   r       )r   rB   itemsr   strencoderinfo
setdefaultr   _get_global_headerwriteget_interlace_write_local_headerencoderconfigr   _saver   r   r   r   )r   r,   rG   im_outr   vr/   rN   r!   r!   r"   _write_single_frameZ  s"   
 r   base_imim_frame4tuple[Image.Image, tuple[int, int, int, int] | None]c                 C  sR   dd | |fD }|d |d kr| d}|  d} t|| }||jddfS )Nc                 S  s"   g | ]}|j rt|j j nd qS )ri   )rG   r$   )r   r   r!   r!   r"   
<listcomp>y  s    z_getbbox.<locals>.<listcomp>r   r   rs   F)
alpha_only)r   r   subtract_modulogetbbox)r   r   palette_bytesdeltar!   r!   r"   _getbboxv  s   

r   c                   @  s&   e Zd ZU ded< ded< ded< dS )_Framer   r   z tuple[int, int, int, int] | Nonebboxr   r   N)r   r   r   __annotations__r!   r!   r!   r"   r     s   
 r   c              
   C  s  | j d}| j d| jd}g }d }d}d }t| g| j dg D ]u}	t|	D ]l}
t|
 }
|dkrU|
j	 D ]\}}|dkrHq?t
|trT| j || q?| j  }d|
jv rh|d|
jd  t|
||}
t
|ttfr||| |d< n|d u rd|
jv r|
jd |d< t
|ttfr|| |d< |d7 }d }|r|rt||
\}}|s|dr|d j d  |d 7  < q-|d j ddkr|d u r| j d| jdd	}t|
|}td
|
j|}|d jj}|d usJ |||j t||
d }n|dr|
jdkrd|vr2|
jd usJ z
|
j|
|d< W n
 ty1   Y nw d|v r|
 }td
|j|d }|jdkr`| \}}}}tjdd ||||d}n|jd
krvtd|j}||  |}tjdd |d}|j |t!"|d nd }|
}|#t$|p|
|| q-q%t%|dkrd| j v r|d j d | j d< dS |D ]9}|j}
|j&st'|
|j D ]}|(| qd}n|sd|j d< |
)|j&}
|j&d d }t*||
||j  qdS )Nrf   disposalr   append_imagesrw   r   ra   r   )r   r   r   rt   optimizer   rs   c                 S  s@   | d | d | d | d | d | d | d | d d dS )	Nr   r   rgbark   r   r!   argsr!   r!   r"   <lambda>  s    z(_write_multiple_frames.<locals>.<lambda>)r   r   r   r   ru   c                 S  s   | d | d d dS )Nr   r   rk   r   r!   r   r!   r!   r"   r     s    r   )maskFr   Tinclude_color_table)+r   r   rB   	itertoolschainr   Iteratorr   rv   r   r   r   r   r   r   r{   r   _get_backgroundr   newr   r   rG   r   r   _new_color_indexr   splitr   lambda_evalputdatar   r   r   invertr   r   r4   r   r   r   crop_write_frame_data)r   r,   rG   rf   r   	im_framesprevious_imframe_countbackground_im
imSequencer   r   r   r   
diff_framer   r   rx   r?   first_paletter   r   r   r   r   r   delta_l
frame_datar/   offsetr!   r!   r"   _write_multiple_frames  s   









Y
r  filenamestr | bytesc                 C  s   t | ||dd d S )NT)save_all)r   )r   r,   r  r!   r!   r"   	_save_all  s   r  Fr  c                 C  s~   d| j v s
d| jv r| j d| jd}n	d }| j dd |r't| ||s-t| || |d t|dr=|  d S d S )NrG   r   Trc   flush)	r   rB   r   r   r  r   r   hasattrr  )r   r,   r  r  rG   r!   r!   r"   r   	  s   

r   rQ   c                 C  s$   | j dd}t| jdk rd}|S )Nr   r      r   )r   r   minr   )r   r   r!   r!   r"   r     s   r   r  tuple[int, int]rN   c                 C  sj  z|j d }W n ty   d }Y nw d|j v r"t|j d d }nd}t|j dd}|d us7|dks7|rd|d ur=dnd}||d> O }| dtd	 td
 t| t| t|p\d td  |j d}|r~t|}	t|	}
|
r~|dB }||
B }| dt|d  t|d  t|j	d  t|j	d  t|  |r|
r| t
|	 | td d S )Nrw   rf   r;   r   r   r   r   rd   re   rq   r   r=   ro   r:   )r   KeyErrorrQ   r   r   r   o16_get_palette_bytes_get_color_table_sizer   _get_header_palette)r,   r   r  rN   rw   rf   r   packed_flagr   r   color_table_sizer!   r!   r"   r   &  sd   




r   c           
      C  s"  |   }z{t|dZ}| jdkrtjd|g|tjd nAdd|g}dg}tj|tjtjd}tj||j|tjd}|jd us@J |j	  |
 }	|	rQt|	||
 }	|	r]t|	|W d    n1 sgw   Y  W zt| W d S  ty   Y d S w zt| W w  ty   Y w w )Nwbr@   ppmtogif)stdoutstderrppmquant256)stdinr*  r+  )_dumpopenr   
subprocess
check_callDEVNULLPopenPIPEr*  closewaitCalledProcessErrorosunlinkOSError)
r   r,   r  tempfiler^   	quant_cmd	togif_cmd
quant_proc
togif_procretcoder!   r!   r"   _save_netpbmX  sN   



 rB  list[int] | Nonec                 C  s   | j dv rg|rg|drgtp| j dk}|s| j| j dk rgg }t|  D ]\}}|r0|| q%|s;t|t	|kr=|S | j
dusDJ t	| j
j
t| j
j  }d|d  > }t	||d krg|dkrg|S dS )aL  
    Palette optimization is a potentially expensive operation.

    This function determines if the palette should be optimized using
    some heuristics, then returns the list of palette entries in use.

    :param im: Image object
    :param info: encoderinfo
    :returns: list of indexes of palette entries in use, or None
    )rt   ru   r   ru   i   Nr   r   )r   r   _FORCE_OPTIMIZEwidthheightr   	histogramr   r   r4   rG   r   getmodebands
bit_length)r   rB   optimiser   r5   countnum_palette_colorscurrent_palette_sizer!   r!   r"   r     s&   
r   r   c                 C  s6   | sdS t | dk rdS ttt | d dd S )Nr   rp   r   r2   r   )r4   mathceillog)r   r!   r!   r"   r$    s
   r$  c                 C  s<   t | }d|> t| d  }|dkr| tdd | 7 } | S )z
    Returns the palette, null padded to the next power of 2 (*3) bytes
    suitable for direct inclusion in the GIF header

    :param palette_bytes: Unpadded palette bytes, in RGBRGB form
    :returns: Null padded palette
    r   r2   r   )r$  r4   r   )r   r'  actual_target_size_diffr!   r!   r"   r%    s
   r%  c                   sJ   | j sdS t| j j  | j jdkr#d fddtt d D   S )z
    Gets the palette for inclusion in the gif header

    :param im: Image object
    :returns: Bytes, len<=768 suitable for inclusion in gif header
    ri   rs   c                 3  s(    | ]} |d  |d  d  V  qdS )rq   r2   Nr!   r   r   r!   r"   r     s   & z%_get_palette_bytes.<locals>.<genexpr>r2   )rG   r$   r   joinr3   r4   r   r!   r   r"   r#    s   $r#  info_background=int | tuple[int, int, int] | tuple[int, int, int, int] | Nonec              
   C  sr   d}|r7t |tr5| jd usJ z
| j|| }W |S  ty4 } zt|dvr) W Y d }~|S d }~ww |}|S )Nr   )z$cannot allocate more than 256 colorsz/cannot add non-opaque RGBA color to RGB palette)r   r{   rG   getcolorr   r   )r   rS  r?   r_   r!   r!   r"   r    s    



r  list[bytes]c                 C  s~  d}| j ddks!|r#d|v s!|ddus!|ds!|dr#d}t| |d	}t| }t|}d
| t| jd  t| jd  t|d t|td t|g}|ddur}|	dtd td d td td t|d  td  |drdtd }|d }t
|tr| }tdt|dD ]}	||	|	d  }
|tt|
|
 7 }q|td7 }|	| |S )z2Return a list of strings representing a GIF headers   87ar9   s   89arw   rn   Nrf   rb   r?   s   GIFr   r   r=   rd   rk   r>   rm   r2   rh   )rB   r   r  r#  r$  r"  r   r   r%  r   r   r   encoder3   r4   )r   rB   r9   r?   r   r'  headercomment_blockrb   r5   subblockr!   r!   r"   r     sl   





r   paramsc                 C  sX   z(||_ t| ||d t|| tdd|j dt|j g | d W |` d S |` w )Nr   r   r   r   )	r   r   r   r   r   r   r   r   r   )r,   r   r  r[  r!   r!   r"   r  B  s   r  dict[str, Any] | None$tuple[list[bytes], list[int] | None]c                 C  sd   |du ri }t | |}d|vrd| jv r| jd |d< t| ||}|j| _|j| _t| |}||fS )a  
    Legacy Method to get Gif data from image.

    Warning:: May modify image data.

    :param im: Image object
    :param palette: bytes object containing the source palette, or ....
    :param info: encoderinfo
    :returns: tuple of(list of header items, optimized palette)

    Nr?   )r   rB   r   rG   r   r   )r   rG   rB   r   im_modrX  r!   r!   r"   	getheader]  s   

r_  r   r   c                 K  s>   ddl m} G dd d|}|   | }t|| || |jS )a  
    Legacy Method

    Return a list of strings representing this image.
    The first string is a local image header, the rest contains
    encoded image data.

    To specify duration, add the time in milliseconds,
    e.g. ``getdata(im_frame, duration=1000)``

    :param im: Image object
    :param offset: Tuple of (x, y) pixels. Defaults to (0, 0)
    :param \**params: e.g. duration or other encoder info parameters
    :returns: List of bytes containing GIF encoded frame data

    r   )BytesIOc                   @  s   e Zd Zg ZdddZdS )	zgetdata.<locals>.Collectorr0   r   r%   rQ   c                 S  s   | j | t|S r   )r0   r   r4   )r.   r0   r!   r!   r"   r     s   z getdata.<locals>.Collector.writeN)r0   r   r%   rQ   )r   r   r   r0   r   r!   r!   r!   r"   	Collector  s    ra  )ior`  r   r  r0   )r   r  r[  r`  ra  r,   r!   r!   r"   r   {  s   r   z.gifz	image/gif)r#   r$   r%   r&   )r   r   r%   r   )r   r   rG   r   rB   r   r%   r   )r   r   r,   r   rG   r   r%   r7   )r   r   r   r   r%   r   )r   r   r,   r   rG   r   r%   r&   )r   r   r,   r   r  r  r%   r7   )F)
r   r   r,   r   r  r  r  r&   r%   r7   )r   r   r%   rQ   )
r,   r   r   r   r  r   rN   rQ   r%   r7   )r   r   rB   r   r%   rC  )r   r$   r%   rQ   )r   r$   r%   r$   )r   r   r%   r$   )r   r   rS  rT  r%   rQ   )r   r   rB   r   r%   rV  )
r,   r   r   r   r  r   r[  r   r%   r7   )NN)r   r   rG   r   rB   r\  r%   r]  )r   )r   r   r  r   r[  r   r%   rV  )H
__future__r   r  rN  r9  r1  enumr   	functoolsr   typingr   r   r   r   r	   r
    r   r   r   r   r   r   r   _binaryr   rC   r   r   r"  r   _typingr   r   r   r   r(   r)   r   r   r$   r   r   rQ   _Paletter   r   r   r   r  r  r   r   r   rB  rD  r   r$  r%  r#  r  r   r  r_  r   register_openr   register_saveregister_save_allregister_extensionregister_mimer!   r!   r!   r"   <module>   sj    $		
	   (


G


|



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
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>(