al_color_rgb_to_hsv3
Allegro 5 api
Usage
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#include <allegro5/allegro_color.h> void al_color_rgb_to_hsv(float red, float green, float blue, float *hue, float *saturation, float *value)
Overview
Given an RGB triplet with components in the range 0..1, return the hue in degrees from 0..360 and saturation and value in the range 0..1.