al_color_xyy(3alleg5) | al_color_xyy(3alleg5) |
al_color_xyy - Allegro 5 API
#include <allegro5/allegro_color.h> ALLEGRO_COLOR al_color_xyy(float x, float y, float y2)
Return an ALLEGRO_COLOR(3alleg5) structure from xyY values. The Y component in the xyY color space is the same as the Y in XYZ.
However the x and y values are computed from XYZ like this:
x = X / (X + Y + Z) y = Y / (X + Y + Z)
5.2.3
Allegro reference manual |