man makecol () - Converts an RGB value into the current pixel format. Allegro game programming library.
NAME
makecol - Converts an RGB value into the current pixel format. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
int makecol(int r, int g, int b);
DESCRIPTION
Converts colors from a hardware independent format (red, green, and blue values ranging 0-255) to the pixel format required by the current video mode, calling the preceding 8, 15, 16, 24, or 32-bit makecol functions as appropriate. Example:
/* Regardless of color depth, this will look green. */ int green_color = makecol(0, 255, 0);
RETURN VALUE
Returns the requested RGB triplet in the current color depth.