o
    g                     @   sz   d dl Z ddlmZmZmZmZ G dd dZdd Zdd	 Zd
d Z	dddZ
dddZdddZdddZdd ZdS )    N   )GimpGradientFileGimpPaletteFile
ImageColorPaletteFilec                   @   s|   e Zd ZdZdddZedd Zejdd Zed	d
 Zejdd
 Zdd Z	dd Z
dd ZeZdddZd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.
    RGBNc                 C   s"   || _ d | _|p
t | _d | _d S N)moderawmode	bytearraypalettedirty)selfr
   r    r   N/home/ubuntu/cloudmapper/venv/lib/python3.10/site-packages/PIL/ImagePalette.py__init__$   s   
zImagePalette.__init__c                 C   s   | j S r	   )_paletter   r   r   r   r   *   s   zImagePalette.palettec                 C   s   d | _ || _d S r	   )_colorsr   )r   r   r   r   r   r   .   s   
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   colors3   s   


zImagePalette.colorsc                 C   s
   || _ d S r	   )r   )r   r   r   r   r   r   ?   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   copyC   s   
zImagePalette.copyc                 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   getdataN   s   zImagePalette.getdatac                 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   bytesarrayr   )r   msgarrr   r   r   r   Y   s   zImagePalette.tobytesc           	   
   C   s  | 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 } zt| jt	sUt	| j| _
t| jd }d
}|rl|jd|jdf}||v rx|d7 }||v sp|dkr|rttt| D ]\}}|dkr||vr|} nq|dkrd}t|||| 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            z/cannot add non-opaque RGBA color to RGB paletteNRGBA)r+   r   
backgroundtransparencyr      r   z$cannot allocate more than 256 colorszunknown color specifier: )r   r#   r$   r   r
   r   r   KeyErrorr   r   r   infogetreversedlist	enumerate	histogramr%   r   repr)	r   r   imager'   eindexspecial_colorsr   countr   r   r   getcolori   sj   






#zImagePalette.getcolorc              
   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   r#   r$   stropenwriter
   r   r   r   
IndexErrorclose)r   fpr'   r   jr   r   r   save   s"   


&zImagePalette.save)r   Nr	   )__name__
__module____qualname____doc__r   propertyr   setterr   r   r    r   tostringr=   rH   r   r   r   r   r      s"    





:r   c                 C   s   t  }| |_||_d|_|S )Nr   )r   r   r   r   )r   datar   r   r   r   raw   s
   rQ   c                 C   s4   g }| dkrt dD ]}||| d  q
|S t)Nr   r/   r+   )r   appendNotImplementedError)blackwhitelutr   r   r   r   make_linear_lut   s   rW   c                 C   s4   g }t dD ]}|t|d |  d d  q|S )Nr/   g     o@g      ?)r   rR   int)exprV   r   r   r   r   make_gamma_lut   s    rZ   r   c                    s4   t tdt  }|  t  fdd|D S )Nr/   c                       g | ]}|t   qS r   r   .0r   r
   r   r   
<listcomp>       znegative.<locals>.<listcomp>)r4   r   r   reverser   r
   r   r   r_   r   negative   s   rd   c                 C   s@   ddl m} g }tdt|  D ]
}||dd qt| |S )Nr   )randintr/   r+   )randomre   r   r   rR   r   )r
   re   r   r   r   r   r   rf      s
   
rf   #fff0c0c                    s0   dd t | D  td fddtdD S )Nc                 S   s   g | ]}t d |qS )r   )rW   )r^   bandr   r   r   r`      s    zsepia.<locals>.<listcomp>r   c                    s    g | ]} |d   |d   qS )r*   r   r]   bandsr   r   r`      s     i   )r   getrgbr   r   )rU   r   ri   r   sepia   s   rl   c                    s,   t tdt  }t  fdd|D S )Nr/   c                    r[   r   r\   r]   r_   r   r   r`      ra   zwedge.<locals>.<listcomp>)r4   r   r   r   rc   r   r_   r   wedge   s   rm   c                 C   s   t | d7}tjtjtjfD ]}z|d || }|r!W  nW q ttfy-   Y qw d}t|W d    |S 1 s?w   Y  |S )Nrbr   zcannot load palette)	rB   r   r   r   seek
getpaletteSyntaxErrorr#   OSError)filenamerF   paletteHandlerrV   r'   r   r   r   load   s*   

ru   )r   )rg   )r&    r   r   r   r   r   rQ   rW   rZ   rd   rf   rl   rm   ru   r   r   r   r   <module>   s    '



	
