U
    1cH&                     @   s  d dl Z d dlZz$d dlmZ dZe Zee W n: ek
rn Z zddl	m
Z
 e
e ZZW 5 dZ[X Y nX e eZG dd dZG dd	 d	eZG d
d deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZeeeeeeeeeeeeeeeedZejdkreed< eed< eed < eed!< eed"< n(eed< eed< eed < eed!< eed"< d&d$d%ZdS )'    N)FFIz|
    struct Pixel_RGBA {
        unsigned char r,g,b,a;
    };
    struct Pixel_I16 {
        unsigned char l,r;
    };
       )DeferredErrorc                   @   s>   e Zd ZdddZdd Zdd Zdd	 ZeZeZd
d Z	dS )PyAccessFc                 C   s   t |jj}|| _td|d | _td|d | _td|d | _|jj	\| _
| _|| _|j| _| jjdkrz|j| _|   d S )Nzunsigned char **image8zint **image32imagePPA)dictZimZunsafe_ptrsreadonlyfficastr   r   r   sizexsizeysize_img_immodeZpalette_palette
_post_init)selfimgr   Zvals r   +lib/python3.8/site-packages/PIL/PyAccess.py__init__1   s    zPyAccess.__init__c                 C   s   d S Nr   )r   r   r   r   r   D   s    zPyAccess._post_initc                 C   s   | j rd}t||\}}|dk r,| j| }|dk r>| j| }| ||f\}}| jjdkrt|tt	frt
|dkr| jjdkrt
|dkr|d nd}|d	d }| j|| j}| jjdkr||f}| |||S )
a0  
        Modifies the pixel at x,y. The color is given as a single
        numerical value for single band images, and a tuple for
        multi-band images

        :param xy: The pixel coordinate, given as (x, y). See
           :ref:`coordinate-system`.
        :param color: The pixel value.
        z%Attempt to putpixel a read only imager   r	   )      r   r   r      N)r   
ValueErrorr   r   check_xyr   r   
isinstancelisttuplelenr   Zgetcolorr   	set_pixel)r   xycolormsgxyZalphar   r   r   __setitem__G   s,    




zPyAccess.__setitem__c                 C   sJ   |\}}|dk r| j | }|dk r,| j| }| ||f\}}| ||S )aq  
        Returns the pixel at x,y. The pixel is returned as a single
        value for single band images or a tuple for multiple band
        images

        :param xy: The pixel coordinate, given as (x, y). See
          :ref:`coordinate-system`.
        :returns: a pixel value for single band images, a tuple of
          pixel values for multiband images.
        r   )r   r   r"   	get_pixel)r   r(   r+   r,   r   r   r   __getitem__j   s    

zPyAccess.__getitem__c                 C   sJ   |\}}d|  kr| j k r:n nd|  kr8| jk sFn d}t||S )Nr   zpixel location out of range)r   r   r!   )r   r(   r+   r,   r*   r   r   r   r"      s
    2zPyAccess.check_xyN)F)
__name__
__module____qualname__r   r   r-   r/   ZputpixelZgetpixelr"   r   r   r   r   r   0   s   
#r   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	_PyAccess32_2z7PA, LA, stored in first and last bytes of a 32 bit wordc                 O   s   t d| j| _d S Nzstruct Pixel_RGBA **r   r   r   pixelsr   argskwargsr   r   r   r      s    z_PyAccess32_2._post_initc                 C   s   | j | | }|j|jfS r   )r6   rar   r+   r,   pixelr   r   r   r.      s    z_PyAccess32_2.get_pixelc                 C   s2   | j | | }t|d d|_t|d d|_d S )Nr   r    r   )r6   minr:   r;   r   r+   r,   r)   r=   r   r   r   r'      s    z_PyAccess32_2.set_pixelNr0   r1   r2   __doc__r   r.   r'   r   r   r   r   r3      s   r3   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	_PyAccess32_3zARGB and friends, stored in the first three bytes of a 32 bit wordc                 O   s   t d| j| _d S r4   r5   r7   r   r   r   r      s    z_PyAccess32_3._post_initc                 C   s   | j | | }|j|j|jfS r   )r6   r:   gbr<   r   r   r   r.      s    z_PyAccess32_3.get_pixelc                 C   sH   | j | | }t|d d|_t|d d|_t|d d|_d|_d S )Nr   r    r      r6   r>   r:   rC   rD   r;   r?   r   r   r   r'      s
    z_PyAccess32_3.set_pixelNr@   r   r   r   r   rB      s   rB   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	_PyAccess32_4z&RGBA etc, all 4 bytes of a 32 bit wordc                 O   s   t d| j| _d S r4   r5   r7   r   r   r   r      s    z_PyAccess32_4._post_initc                 C   s"   | j | | }|j|j|j|jfS r   )r6   r:   rC   rD   r;   r<   r   r   r   r.      s    z_PyAccess32_4.get_pixelc                 C   sR   | j | | }t|d d|_t|d d|_t|d d|_t|d d|_d S )Nr   r    r   rE   r   rF   r?   r   r   r   r'      s
    z_PyAccess32_4.set_pixelNr@   r   r   r   r   rG      s   rG   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	
_PyAccess8z%1, L, P, 8 bit images stored as uint8c                 O   s   | j | _d S r   )r   r6   r7   r   r   r   r      s    z_PyAccess8._post_initc                 C   s   | j | | S r   r6   r   r+   r,   r   r   r   r.      s    z_PyAccess8.get_pixelc                 C   sJ   zt |d| j| |< W n, tk
rD   t |d d| j| |< Y nX d S )Nr    r   r>   r6   	TypeErrorr   r+   r,   r)   r   r   r   r'      s    z_PyAccess8.set_pixelNr@   r   r   r   r   rH      s   rH   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	_PyAccessI16_Nz0I;16 access, native bitendian without conversionc                 O   s   t d| j| _d S )Nzunsigned short **r   r   r   r6   r7   r   r   r   r      s    z_PyAccessI16_N._post_initc                 C   s   | j | | S r   rI   rJ   r   r   r   r.      s    z_PyAccessI16_N.get_pixelc                 C   sJ   zt |d| j| |< W n, tk
rD   t |d d| j| |< Y nX d S )N  r   rK   rM   r   r   r   r'      s    z_PyAccessI16_N.set_pixelNr@   r   r   r   r   rN      s   rN   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	_PyAccessI16_LzI;16L access, with conversionc                 O   s   t d| j| _d S Nzstruct Pixel_I16 **rO   r7   r   r   r   r      s    z_PyAccessI16_L._post_initc                 C   s   | j | | }|j|jd  S N   r6   lr:   r<   r   r   r   r.      s    z_PyAccessI16_L.get_pixelc                 C   sX   | j | | }zt|d}W n" tk
r>   t|d d}Y nX |d@ |_|d? |_d S )NrP   r   r       )r6   r>   rL   rV   r:   r?   r   r   r   r'      s    
z_PyAccessI16_L.set_pixelNr@   r   r   r   r   rQ      s   rQ   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	_PyAccessI16_BzI;16B access, with conversionc                 O   s   t d| j| _d S rR   rO   r7   r   r   r   r      s    z_PyAccessI16_B._post_initc                 C   s   | j | | }|jd |j S rS   rU   r<   r   r   r   r.      s    z_PyAccessI16_B.get_pixelc                 C   sX   | j | | }zt|d}W n" tk
r>   t|d d}Y nX |d? |_|d@ |_d S )NrP   r   rW   r    )r6   r>   	ExceptionrV   r:   r?   r   r   r   r'     s    
z_PyAccessI16_B.set_pixelNr@   r   r   r   r   rX      s   rX   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	_PyAccessI32_Nz"Signed Int32 access, native endianc                 O   s   | j | _d S r   r   r6   r7   r   r   r   r     s    z_PyAccessI32_N._post_initc                 C   s   | j | | S r   rI   rJ   r   r   r   r.     s    z_PyAccessI32_N.get_pixelc                 C   s   || j | |< d S r   rI   rM   r   r   r   r'     s    z_PyAccessI32_N.set_pixelNr@   r   r   r   r   rZ     s   rZ   c                   @   s0   e Zd ZdZdd Zdd Zdd Zdd	 Zd
S )_PyAccessI32_Swapz,I;32L/B access, with byteswapping conversionc                 O   s   | j | _d S r   r[   r7   r   r   r   r     s    z_PyAccessI32_Swap._post_initc                 C   s\   t d|}t d|}|d |d |d |d f\|d< |d< |d< |d< t d|d S )Nzint *zunsigned char *r   rE   r   r   )r   newr   )r   iZorigcharsr   r   r   reverse   s    4z_PyAccessI32_Swap.reversec                 C   s   |  | j| | S r   r`   r6   rJ   r   r   r   r.   &  s    z_PyAccessI32_Swap.get_pixelc                 C   s   |  || j| |< d S r   ra   rM   r   r   r   r'   )  s    z_PyAccessI32_Swap.set_pixelN)r0   r1   r2   rA   r   r`   r.   r'   r   r   r   r   r\     s
   r\   c                   @   s(   e Zd ZdZdd Zdd Zdd ZdS )	
_PyAccessFz32 bit float accessc                 O   s   t d| j| _d S )Nzfloat **r5   r7   r   r   r   r   0  s    z_PyAccessF._post_initc                 C   s   | j | | S r   rI   rJ   r   r   r   r.   3  s    z_PyAccessF.get_pixelc                 C   s>   z|| j | |< W n& tk
r8   |d | j | |< Y nX d S )Nr   )r6   rL   rM   r   r   r   r'   6  s    z_PyAccessF.set_pixelNr@   r   r   r   r   rb   -  s   rb   )1Lr
   ZLAZLar   ZRGBZLABZHSVZYCbCrZRGBAZRGBaZRGBXZCMYKFIlittlezI;16zI;16LzI;16BzI;32LzI;32BFc                 C   s.   t | jd }|s$td| j d S || |S )NzPyAccess Not Implemented: %s)mode_mapgetr   loggerdebug)r   r   Zaccess_typer   r   r   r]   b  s
    r]   )F)ZloggingsysZcffir   Zdefsr   ZcdefImportErrorexZ_utilr   Z	getLoggerr0   rj   r   r3   rB   rG   rH   rN   rQ   rX   rZ   r\   rb   rh   	byteorderr]   r   r   r   r   <module>   sd   
X
