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sack::image::plotalpha Variable
C++
IMAGE_PROC_D void (__cdecl * plotalpha)(Image pi, S_32 x, S_32 y, CDATA c);
Parameters 
Description 
Image 
The image to get the pixel from 
x coordinate to get pixel color 
y coordinate to get pixel color 
Color 
color to put at the coordinate. Alpha blending will be done. 

A function pointer to the function which sets a pixel in an image at a specified x, y coordinate.

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