hsv_to_rgb - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual
NAMEhsv_to_rgb, rgb_to_hsv − Converts color values between the HSV and RGB color spaces. Allegro game programming library.
SYNOPSIS#include <allegro.h> void hsv_to_rgb(float h, float s, float v, int *r, int *g, int *b); void rgb_to_hsv(int r, int g, int b, float *h, float *s, float *v);
DESCRIPTIONConvert color values between the HSV and RGB color spaces. The RGB values range from 0 to 255, hue is from 0 to 360, and saturation and value are from 0 to 1. Example: int r, g, b;
float hue, saturation, value;
...
/* Convert a reddish color to HSV format. */
rgb_to_hsv(255, 0, 128, &hue, &saturation, &value);
/* Now put our tin foil hat, and verify that. */
hsv_to_rgb(hue, saturation, value, &r, &g, &b);
ASSERT(r == 255);
ASSERT(g == 0);
ASSERT(b == 128);
SEE ALSOexlights(3), exrgbhsv(3) 0
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