o
    f
#                     @  s   d dl mZ d dlZd dlmZmZmZ ddlmZm	Z	m
Z
mZ er(ddlmZ G dd dZd(ddZd)ddZd*ddZd+d,ddZd+d,ddZd-d.d d!Zd+d,d"d#Zd/d&d'ZdS )0    )annotationsN)IOTYPE_CHECKINGSequence   )GimpGradientFileGimpPaletteFile
ImageColorPaletteFile)Imagec                   @  s   e Zd ZdZ		d,d-d
dZed.ddZejd/ddZed0ddZejd1ddZd2ddZ	d3ddZ
d4ddZeZ	d5d6d"d#Z	d7d8d&d'Zd9d*d+ZdS ):ImagePalettea  
    Color palette for palette mapped images

    :param mode: The mode to use for the palette. See:
        :ref:`concept-modes`. Defaults to "RGB"
    :param palette: An optional palette. If given, it must be a bytearray,
        an array or a list of ints between 0-255. The list must consist of
        all channels for one color followed by the next color (e.g. RGBRGBRGB).
        Defaults to an empty palette.
    RGBNmodestrpalette(Sequence[int] | bytes | bytearray | NonereturnNonec                 C  s"   || _ d | _|p
t | _d | _d S N)r   rawmode	bytearrayr   dirty)selfr   r    r   I/home/ubuntu/webapp/venv/lib/python3.10/site-packages/PIL/ImagePalette.py__init__)   s   
zImagePalette.__init__!Sequence[int] | bytes | bytearrayc                 C  s   | j S r   )_paletter   r   r   r   r   3   s   zImagePalette.palettec                 C  s   d | _ || _d S r   )_colorsr   )r   r   r   r   r   r   7   s   
dict[tuple[int, ...], int]c                 C  sh   | j d u r1t| j}i | _ tdt| j|D ]}t| j|||  }|| j v r)q|| | j |< q| j S )Nr   )r   lenr   ranger   tuple)r   mode_lenicolorr   r   r   colors<   s   


zImagePalette.colorsr'   c                 C  s
   || _ d S r   )r   )r   r'   r   r   r   r'   H   s   
c                 C  s<   t  }| j|_| j|_| jd ur| jd d  |_| j|_|S r   )r   r   r   r   r   )r   newr   r   r   copyL   s   
zImagePalette.copy-tuple[str, Sequence[int] | bytes | bytearray]c                 C  s    | j r	| j | jfS | j|  fS )z
        Get palette contents in format suitable for the low-level
        ``im.putpalette`` primitive.

        .. warning:: This method is experimental.
        )r   r   r   tobytesr   r   r   r   getdataW   s   zImagePalette.getdatabytesc                 C  s:   | j r	d}t|t| jtr| jS td| j}| S )zUConvert palette to bytes.

        .. warning:: This method is experimental.
        !palette contains raw palette dataB)r   
ValueError
isinstancer   r-   arrayr+   )r   msgarrr   r   r   r+   b   s   zImagePalette.tobytesimageImage.Image | NoneeException | Noneintc                 C  s   t | jtst| j| _t| jd }d}|r/|jd|jdf}||v r/|d7 }||v s'|dkr[|rPttt	|
 D ]\}}|dkrO||vrO|} nq?|dkr[d}t|||S )	N   r   
backgroundtransparencyr      r   z$cannot allocate more than 256 colors)r1   r   r   r   r!   infogetreversedlist	enumerate	histogramr0   )r   r5   r7   indexspecial_colorsr%   countr3   r   r   r   _new_color_indexr   s,   


zImagePalette._new_color_indexr&   tuple[int, ...]c              
   C  sF  | j r	d}t|t|tr| jdkr,t|dkr+|d dkr%d}t||dd }n| jdkr;t|dkr;|d	7 }z| j| W S  ty } zJ| ||}t| j	t
sWJ || j|< |d t| jk r| j	d|d  t| | j	|d d d  | _	n	|  j	t|7  _	d
| _|W  Y d}~S d}~ww dt| }t|)zgGiven an rgb tuple, allocate palette entry.

        .. warning:: This method is experimental.
        r.   r      r:      z/cannot add non-opaque RGBA color to RGB paletteNRGBArJ   r   zunknown color specifier: )r   r0   r1   r#   r   r!   r'   KeyErrorrG   r   r   r   r-   r   repr)r   r&   r5   r3   r7   rD   r   r   r   getcolor   sD   	



zImagePalette.getcolorfpstr | IO[str]c              
   C  s   | j r	d}t|t|trt|d}|d |d| j d tdD ]<}||  t|t| j |d t| j D ]}z|d| j	|   W q? t
y\   |d	 Y q?w |d q&|  d
S )zVSave palette to text file.

        .. warning:: This method is experimental.
        r.   wz
# Palette
z# Mode: 
r=   r    z 0N)r   r0   r1   r   openwriter   r"   r!   r   
IndexErrorclose)r   rP   r3   r%   jr   r   r   save   s"   


&zImagePalette.save)r   N)r   r   r   r   r   r   )r   r   )r   r   r   r   )r   r    )r'   r    r   r   )r   r   )r   r*   )r   r-   )NN)r5   r6   r7   r8   r   r9   r   )r&   rH   r5   r6   r   r9   )rP   rQ   r   r   )__name__
__module____qualname____doc__r   propertyr   setterr'   r)   r,   r+   tostringrG   rO   rZ   r   r   r   r   r      s,    



+r   datar   r   c                 C  s   t  }| |_||_d|_|S )Nr   )r   r   r   r   )r   rb   r   r   r   r   raw   s
   rc   blackr9   whitefloat	list[int]c                   s*   | dkr fddt dD S d}t|)Nr   c                   s   g | ]
}t  | d  qS rL   r9   .0r%   re   r   r   
<listcomp>   s    z#make_linear_lut.<locals>.<listcomp>r=   z"unavailable when black is non-zero)r"   NotImplementedError)rd   re   r3   r   rk   r   make_linear_lut   s   rn   expc                   s    fddt dD S )Nc                   s$   g | ]}t |d    d  d qS )g     o@g      ?rh   ri   ro   r   r   rl      s   $ z"make_gamma_lut.<locals>.<listcomp>r=   )r"   rp   r   rp   r   make_gamma_lut   s   rq   r   r   r   c                   s4   t tdt  }|  t  fdd|D S )Nr=   c                      g | ]}|t   qS r   r!   ri   r   r   r   rl          znegative.<locals>.<listcomp>)rA   r"   r!   reverser   r   r   r   rt   r   negative   s   rx   c                   s4   ddl m   fddtdt|  D }t| |S )Nr   randintc                   s   g | ]} d dqS )r   rJ   r   )rj   _ry   r   r   rl          zrandom.<locals>.<listcomp>r=   )randomrz   r"   r!   r   rw   r   ry   r   r}      s   
r}   #fff0c0c                   s0   dd t | D  td fddtdD S )Nc                 S  s   g | ]}t d |qS )r   )rn   )rj   bandr   r   r   rl      r|   zsepia.<locals>.<listcomp>r   c                   s    g | ]} |d   |d   qS )r:   r   ri   bandsr   r   rl      s     i   )r	   getrgbr   r"   rk   r   r   r   sepia   s   r   c                   s,   t tdt  }t  fdd|D S )Nr=   c                   rr   r   rs   ri   rt   r   r   rl      ru   zwedge.<locals>.<listcomp>)rA   r"   r!   r   rw   r   rt   r   wedge   s   r   filenametuple[bytes, str]c                 C  s   t | d9}tjtjtjg}|D ]}z|d || }|r#W  nW q ttfy/   Y qw d}t|W d    |S 1 sAw   Y  |S )Nrbr   zcannot load palette)	rU   r   r   r
   seek
getpaletteSyntaxErrorr0   OSError)r   rP   paletteHandlerspaletteHandlerlutr3   r   r   r   load  s.   

r   )rb   r   r   r   )rd   r9   re   rf   r   rg   )ro   rf   r   rg   )r   )r   r   r   r   )r~   )re   r   r   r   )r   r   r   r   )
__future__r   r2   typingr   r   r    r   r   r	   r
   r   r   rc   rn   rq   rx   r}   r   r   r   r   r   r   r   <module>   s     
6

