B
    0\$                 @   s|  d dl Z d dlZd dlmZ e eZdZe Ze	e 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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rFe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;
};
c               @   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rt|j| _|   d S )Nzunsigned char **image8zint **image32imageP)dictZimZunsafe_ptrsreadonlyfficastr   r   r   sizexsizeysize_immodeZpalette_palette
_post_init)selfimgr	   Zvals r   +lib/python3.7/site-packages/PIL/PyAccess.py__init__.   s    zPyAccess.__init__c             C   s   d S )Nr   )r   r   r   r   r   @   s    zPyAccess._post_initc             C   s   | j rtd|\}}|dk r(| j| }|dk r:| j| }| ||f\}}| jjdkr~t|tt	fr~t
|dkr~| j|}| |||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	   
ValueErrorr   r   check_xyr   r   
isinstancelisttuplelenr   Zgetcolor	set_pixel)r   xycolorxyr   r   r   __setitem__C   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$   r   r   r   __getitem__]   s    

zPyAccess.__getitem__c             C   sF   |\}}d|  kr| j k r:n nd|  kr8| jk sBn td|S )Nr   zpixel location out of range)r   r   r   )r   r!   r#   r$   r   r   r   r   s   s    2zPyAccess.check_xyN)F)
__name__
__module____qualname__r   r   r%   r'   ZputpixelZgetpixelr   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 )	_PyAccess32_2z9 PA, LA, stored in first and last bytes of a 32 bit word c             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 )N)r,   ra)r   r#   r$   pixelr   r   r   r&      s    z_PyAccess32_2.get_pixelc             C   s2   | j | | }t|d d|_t|d d|_d S )Nr         )r,   minr/   r0   )r   r#   r$   r"   r1   r   r   r   r       s    z_PyAccess32_2.set_pixelN)r(   r)   r*   __doc__r   r&   r    r   r   r   r   r+   z   s   r+   c               @   s(   e Zd ZdZdd Zdd Zdd ZdS )	_PyAccess32_3zC RGB and friends, stored in the first three bytes of a 32 bit word c             O   s   t d| j| _d S )Nzstruct Pixel_RGBA **)r
   r   r   r,   )r   r-   r.   r   r   r   r      s    z_PyAccess32_3._post_initc             C   s   | j | | }|j|j|jfS )N)r,   r/   gb)r   r#   r$   r1   r   r   r   r&      s    z_PyAccess32_3.get_pixelc             C   sH   | j | | }t|d d|_t|d d|_t|d d|_d|_d S )Nr   r2   r3      )r,   r4   r/   r7   r8   r0   )r   r#   r$   r"   r1   r   r   r   r       s
    z_PyAccess32_3.set_pixelN)r(   r)   r*   r5   r   r&   r    r   r   r   r   r6      s   r6   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 word c             O   s   t d| j| _d S )Nzstruct Pixel_RGBA **)r
   r   r   r,   )r   r-   r.   r   r   r   r      s    z_PyAccess32_4._post_initc             C   s"   | j | | }|j|j|j|jfS )N)r,   r/   r7   r8   r0   )r   r#   r$   r1   r   r   r   r&      s    z_PyAccess32_4.get_pixelc             C   sR   | j | | }t|d d|_t|d d|_t|d d|_t|d d|_d S )Nr   r2   r3   r9   r   )r,   r4   r/   r7   r8   r0   )r   r#   r$   r"   r1   r   r   r   r       s
    z_PyAccess32_4.set_pixelN)r(   r)   r*   r5   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 )	
_PyAccess8z' 1, L, P, 8 bit images stored as uint8 c             O   s   | j | _d S )N)r   r,   )r   r-   r.   r   r   r   r      s    z_PyAccess8._post_initc             C   s   | j | | S )N)r,   )r   r#   r$   r   r   r   r&      s    z_PyAccess8.get_pixelc             C   sJ   yt |d| j| |< W n, tk
rD   t |d d| j| |< Y nX d S )Nr2   r   )r4   r,   	TypeError)r   r#   r$   r"   r   r   r   r       s    z_PyAccess8.set_pixelN)r(   r)   r*   r5   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 )	_PyAccessI16_Nz2 I;16 access, native bitendian without conversion c             O   s   t d| j| _d S )Nzunsigned short **)r
   r   r   r,   )r   r-   r.   r   r   r   r      s    z_PyAccessI16_N._post_initc             C   s   | j | | S )N)r,   )r   r#   r$   r   r   r   r&      s    z_PyAccessI16_N.get_pixelc             C   sJ   yt |d| j| |< W n, tk
rD   t |d d| j| |< Y nX d S )Ni  r   )r4   r,   r<   )r   r#   r$   r"   r   r   r   r       s    z_PyAccessI16_N.set_pixelN)r(   r)   r*   r5   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 )	_PyAccessI16_Lz I;16L access, with conversion c             O   s   t d| j| _d S )Nzstruct Pixel_I16 **)r
   r   r   r,   )r   r-   r.   r   r   r   r      s    z_PyAccessI16_L._post_initc             C   s   | j | | }|j|jd  S )N   )r,   lr/   )r   r#   r$   r1   r   r   r   r&      s    z_PyAccessI16_L.get_pixelc             C   sX   | j | | }yt|d}W n" tk
r>   t|d d}Y nX |d@ |_|d? |_d S )Ni  r   r2      )r,   r4   r<   r@   r/   )r   r#   r$   r"   r1   r   r   r   r       s    
z_PyAccessI16_L.set_pixelN)r(   r)   r*   r5   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 )	_PyAccessI16_Bz I;16B access, with conversion c             O   s   t d| j| _d S )Nzstruct Pixel_I16 **)r
   r   r   r,   )r   r-   r.   r   r   r   r      s    z_PyAccessI16_B._post_initc             C   s   | j | | }|jd |j S )Nr?   )r,   r@   r/   )r   r#   r$   r1   r   r   r   r&      s    z_PyAccessI16_B.get_pixelc             C   sX   | j | | }yt|d}W n" tk
r>   t|d d}Y nX |d? |_|d@ |_d S )Ni  r   rA   r2   )r,   r4   	Exceptionr@   r/   )r   r#   r$   r"   r1   r   r   r   r       s    
z_PyAccessI16_B.set_pixelN)r(   r)   r*   r5   r   r&   r    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 )	_PyAccessI32_Nz$ Signed Int32 access, native endian c             O   s   | j | _d S )N)r   r,   )r   r-   r.   r   r   r   r      s    z_PyAccessI32_N._post_initc             C   s   | j | | S )N)r,   )r   r#   r$   r   r   r   r&      s    z_PyAccessI32_N.get_pixelc             C   s   || j | |< d S )N)r,   )r   r#   r$   r"   r   r   r   r      s    z_PyAccessI32_N.set_pixelN)r(   r)   r*   r5   r   r&   r    r   r   r   r   rD      s   rD   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 conversion c             O   s   | j | _d S )N)r   r,   )r   r-   r.   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   r9   r3   r   )r
   newr   )r   iZorigcharsr   r   r   reverse
  s
    (z_PyAccessI32_Swap.reversec             C   s   |  | j| | S )N)rI   r,   )r   r#   r$   r   r   r   r&     s    z_PyAccessI32_Swap.get_pixelc             C   s   |  || j| |< d S )N)rI   r,   )r   r#   r$   r"   r   r   r   r      s    z_PyAccessI32_Swap.set_pixelN)r(   r)   r*   r5   r   rI   r&   r    r   r   r   r   rE     s
   rE   c               @   s(   e Zd ZdZdd Zdd Zdd ZdS )	
_PyAccessFz 32 bit float access c             O   s   t d| j| _d S )Nzfloat **)r
   r   r   r,   )r   r-   r.   r   r   r   r     s    z_PyAccessF._post_initc             C   s   | j | | S )N)r,   )r   r#   r$   r   r   r   r&     s    z_PyAccessF.get_pixelc             C   s>   y|| j | |< W n& tk
r8   |d | j | |< Y nX d S )Nr   )r,   r<   )r   r#   r$   r"   r   r   r   r       s    z_PyAccessF.set_pixelN)r(   r)   r*   r5   r   r&   r    r   r   r   r   rJ     s   rJ   )1Lr   ZLAZLaZPAZ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   rF   K  s
    rF   )F)ZloggingsysZcffir   Z	getLoggerr(   rR   Zdefsr
   Zcdefobjectr   r+   r6   r:   r;   r=   r>   rB   rD   rE   rJ   rP   	byteorderrF   r   r   r   r   <module>   sZ   


N
