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ImagePalette.cpython-310.pyc
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o Z#�a� � @ s� d dl Z d dlZddlmZmZmZmZ G dd� d�Zdd� Zdd � Z d d � Z dd d�Z ddd�Z ddd�Z ddd�Zdd� ZdS )� N� )�GimpGradientFile�GimpPaletteFile� ImageColor� PaletteFilec @ sb e Zd ZdZddd�Zedd� �Zejd d� �Zd d � Zd d � Z dd� Z e Z ddd�Z dd� Z dS )� 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. :param size: An optional palette size. If given, an error is raised if ``palette`` is not of equal length. �RGBNr c C sP || _ d | _|p t� | _d | _|dkr$t�dt� |t| j�kr&t d��d S d S )Nr zOThe size parameter is deprecated and will be removed in Pillow 10 (2023-07-01).zwrong palette size) �mode�rawmode� bytearray�palette�dirty�warnings�warn�DeprecationWarning�len� ValueError)�selfr r �size� r �2/usr/lib/python3/dist-packages/PIL/ImagePalette.py�__init__' s ��zImagePalette.__init__c C s | j S �N)�_palette�r r r r r 5 s zImagePalette.palettec C sb || _ t| j�}i | _tdt| j�|�D ]}t| j||| � �}|| jv r'q|| | j|< qd S )Nr )r r r �colors�ranger �tuple)r r �mode_len�i�colorr r r r 9 s �c C s< t � }| j|_| j|_| jd ur| jd d � |_| j|_|S r )r r r r r )r �newr r r �copyE s zImagePalette.copyc C s | j r | j | jfS | j| �� fS )z� Get palette contents in format suitable for the low-level ``im.putpalette`` primitive. .. warning:: This method is experimental. )r r r �tobytesr r r r �getdataP s zImagePalette.getdatac C s6 | j rtd��t| jt�r| jS t�d| j�}|�� S )zUConvert palette to bytes. .. warning:: This method is experimental. �!palette contains raw palette data�B)r r � isinstancer �bytes�arrayr# )r �arrr r r r# [ s zImagePalette.tobytesc C s� | j rtd��t|t�r�| jdkr$t|�dkr#|d dkr#|dd� }n| jdkr3t|�dkr3|d7 }z| j| W S ty� } z�t| jt �sMt | j�| _ t| j�d }d }|rd|j � d �|j � d �f}||v rp|d 7 }||v sh|d kr�|r�t tt|�� ���D ]\}}|dkr�||vr�|} nq�|d kr�td�|�|| j|< |d t| j�k r�| jd|d � t|� | j|d d d� | _ n | j t|�7 _ d | _|W Y d}~S d}~ww tdt|�� ���)zgGiven an rgb tuple, allocate palette entry. .. warning:: This method is experimental. r% r � � � N�RGBA)r- r � background� transparencyr � r z$cannot allocate more than 256 colorszunknown color specifier: )r r r' r r r r �KeyErrorr r r �info�get�reversed�list� enumerate� histogramr( r �repr)r r �image�e�index�special_colorsr �countr r r �getcolorj s^ � �� � �����"zImagePalette.getcolorc C s� | j rtd��t|t�rt|d�}|�d� |�d| j� d�� td�D ]<}|�|� � t|t| j� |d t| j� �D ] }z |�d| j | � �� W q= t yZ |�d � Y q=w |�d� q$|� � d S ) zVSave palette to text file. .. warning:: This method is experimental. r% �wz # Palette z# Mode: � r1 r � z 0N) r r r' �str�open�writer r r r � IndexError�close)r �fpr �jr r r �save� s & � zImagePalette.save)r Nr r )�__name__� __module__� __qualname__�__doc__r �propertyr �setterr" r$ r# �tostringr? rJ r r r r r s 4r c C s t � }| |_||_d|_|S )Nr )r r r r )r �datar r r r �raw� s rS c C s4 g }| dkrt d�D ] }|�|| d � q |S t�)Nr r1 r- )r �append�NotImplementedError)�black�white�lutr r r r �make_linear_lut� s �rY c C s4 g }t d�D ]}|�t|d | d d �� q|S )Nr1 g �o@g �?)r rT �int)�exprX r r r r �make_gamma_lut� s r\ r c s4 t tdt� � ��}|�� t� � fdd�|D ��S )Nr1 c � g | ]}|t � � �qS r �r ��.0r �r r r � <listcomp>� � z negative.<locals>.<listcomp>)r6 r r �reverser �r r r ra r �negative� s rf c C s@ ddl m} g }tdt| � �D ] }|�|dd�� qt| |�S )Nr )�randintr1 r- )�randomrg r r rT r )r rg r r r r r rh � s rh �#fff0c0c s0 dd� t �| �D �� td� fdd�td�D ��S )Nc S s g | ]}t d |��qS )r )rY )r` �bandr r r rb � s zsepia.<locals>.<listcomp>r c s g | ] }� |d |d �qS )r, r r_ ��bandsr r rb � s i )r �getrgbr r )rW r rk r �sepia� s rn c s, t tdt� � ��}t� � fdd�|D ��S )Nr1 c r] r r^ r_ ra r r rb � rc zwedge.<locals>.<listcomp>)r6 r r r re r ra r �wedge� s ro c C s� t | d��5}tjtjtjfD ] }z|�d� ||��� }|r!W nW q ttfy- Y qw td��W d � |S 1 s=w Y |S )N�rbr zcannot load palette) rD r r r �seek� getpalette� SyntaxErrorr �OSError)�filenamerH �paletteHandlerrX r r r �load� s( � ��� ��rw )r )ri )r) r � r r r r r rS rY r\ rf rh rn ro rw r r r r �<module> s