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struct Pixel_RGBA {
unsigned char r,g,b,a;
};
struct Pixel_I16 {
unsigned char l,r;
};
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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.
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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.
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zPyAccess.__getitem__c C sR |\}}d| kr| j k r#n td��d| kr"| jk s'td�� td��|S )Nr zpixel location out of range)r r r" r0 r r r r# { s ��zPyAccess.check_xyN�F)
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_PyAccess32_2z7PA, LA, stored in first and last bytes of a 32 bit wordc O � t �d| j�| _d S �Nzstruct Pixel_RGBA **�r r r �pixels�r �args�kwargsr r r r � � z_PyAccess32_2._post_initc C s | j | | }|j|jfS r )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 )r= �minrB rC �r r, r- r+ rE r r r r) � s z_PyAccess32_2.set_pixelN�r3 r4 r5 �__doc__r r/ r) r r r r r9 � �
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_PyAccess32_4z&RGBA etc, all 4 bytes of a 32 bit wordc O r: r; r< r> r r r r � rA z_PyAccess32_4._post_initc C s" | j | | }|j|j|j|jfS r )r= rB rM rN rC rD 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 rF r rP r rQ rH r r r r) � s
z_PyAccess32_4.set_pixelNrI r r r r rR � rK rR c @ r8 ) �
_PyAccess8z%1, L, P, 8 bit images stored as uint8c O � | j | _d S r )r r= r> r r r r � � z_PyAccess8._post_initc C � | j | | S r �r= �r r, r- r r r r/ � � z_PyAccess8.get_pixelc C �H z
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rS c @ r8 ) �_PyAccessI16_Nz0I;16 access, native bitendian without conversionc O r: )Nzunsigned short **�r r r r= r> r r r r � rA z_PyAccessI16_N._post_initc C rV r rW rX r r r r/ � rY z_PyAccessI16_N.get_pixelc C rZ )N� r r[ r] r r r r) � r^ z_PyAccessI16_N.set_pixelNrI r r r r r` � r_ r` c @ r8 ) �_PyAccessI16_Lz I;16L access, with conversionc O r: �Nzstruct Pixel_I16 **ra r> r r r r � rA z_PyAccessI16_L._post_initc C s | j | | }|j|jd S �N� �r= �lrB rD r r r r/ � rO z_PyAccessI16_L.get_pixelc C sV | j | | }zt|d�}W n ty t|d d�}Y nw |d@ |_|d? |_d S )Nrb r rF � )r= rG r\ rh rB rH r r r r) � � �
z_PyAccessI16_L.set_pixelNrI r r r r rc � rK rc c @ r8 ) �_PyAccessI16_Bz I;16B access, with conversionc O r: rd ra r> r r r r � rA z_PyAccessI16_B._post_initc C s | j | | }|jd |j S re rg rD r r r r/ � rO z_PyAccessI16_B.get_pixelc C sV | j | | }zt|d�}W n ty t|d d�}Y nw |d? |_|d@ |_d S )Nrb r ri rF )r= rG � Exceptionrh rB rH r r r r) � rj z_PyAccessI16_B.set_pixelNrI r r r r rk � rK rk c @ r8 ) �_PyAccessI32_Nz"Signed Int32 access, native endianc O rT r �r r= r> r r r r
rU z_PyAccessI32_N._post_initc C rV r rW rX r r r r/
rY z_PyAccessI32_N.get_pixelc C s || j | |< d S r rW r] r r r r) s z_PyAccessI32_N.set_pixelNrI r r r r rm r_ rm c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
S ) �_PyAccessI32_Swapz,I;32L/B access, with byteswapping conversionc O rT r rn r> r r r r rU z _PyAccessI32_Swap._post_initc C s\ t �d|�}t �d|�}|d |d |d |d f\|d< |d< |d< |d< t �d|�d S )Nzint *zunsigned char *r rP r r )r �newr )r �i�orig�charsr r r �reverse s 4z_PyAccessI32_Swap.reversec C s | � | j| | �S r �rt r= rX r r r r/ rA z_PyAccessI32_Swap.get_pixelc C s | � |�| j| |< d S r ru r] r r r r) # s z_PyAccessI32_Swap.set_pixelN)r3 r4 r5 rJ r rt r/ r) r r r r ro s ro c @ r8 ) �
_PyAccessFz32 bit float accessc O r: )Nzfloat **r< r> r r r r * rA z_PyAccessF._post_initc C rV r rW rX r r r r/ - rY z_PyAccessF.get_pixelc C s< z
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