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sack::image::IMG_ADDRESS Macro
imagestruct.h  Macros  Send Feedback
C++
#define IMG_ADDRESS(i,x,y) ((CDATA*) \
                               ((i)->image + (( (x) - (i)->eff_x ) \
    +(((i)->flags&IF_FLAG_INVERTED)?(INVERTY_INVERTED( (i), (y) ) * (i)->pwidth ):(INVERTY_NON_INVERTED( (i), (y) ) * (i)->pwidth )) \
                               ))   \
                                        )
File
Parameters
Parameters 
Description 
i 
Image to get the color buffer address of 
x 
x coordinate of pixel to get address of 
y 
y coordinate of pixel to get address of 
Returns

The address of the pixel in the color buffer.

Description

A macro to compute the address of a pixel in the color buffer by x, y.

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