Function hsv2rgb

KeyboardVisualizerCommon/hsv.cpp:77–112

}

unsigned int hsv2rgb(hsv_t* hsv)
{
    unsigned char r = 0;
	unsigned char g = 0;
	unsigned char b = 0;

	if (hsv->saturation == 0) {
		r = g = b = hsv->value;
	}
	else {
		int h = (hsv->hue)%360;
		int s = hsv->saturation;
		int v = hsv->value;
		int i = h / (60 * HUE_DEGREE);
		int p = (256 * v - s*v) / 256;

		if (i & 1) {
			int q = (256 * 60 * HUE_DEGREE*v - h*s*v + 60 * HUE_DEGREE*s*v*i) / (256 * 60 * HUE_DEGREE);
			switch (i) {
			case 1:   r = q; g = v; b = p; break;
			case 3:   r = p; g = q; b = v; break;
			case 5:   r = v; g = p; b = q; break;
			}
		}
		else {
			int t = (256 * 60 * HUE_DEGREE*v + h*s*v - 60 * HUE_DEGREE*s*v*(i + 1)) / (256 * 60 * HUE_DEGREE);
			switch (i) {
			case 0:   r = v; g = t; b = p; break;
			case 2:   r = p; g = v; b = t; break;
			case 4:   r = t; g = p; b = v; break;
			}
		}
	}

    return ToRGBColor(r, g, b);
}


#ifdef TEST