void hsv_to_rgb(t_env *e, double p, double q, double t)
{
double hh;
double ff;
int i;
hh = e->h / 60;
i = floor(hh);
ff = hh - i;
p = e->v * (1.0 - e->s);
q = e->v * (1.0 - (e->s * ff));
t = e->v * (e->s * (1.0 - ff));
p *= 250;
q *= 250;
t *= 250;
(i == 0) ? hsv0(e, p, t) : 1;
(i == 1) ? hsv1(e, p, q) : 1;
(i == 2) ? hsv2(e, p, t) : 1;
(i == 3) ? hsv3(e, p, q) : 1;
(i == 4) ? hsv4(e, p, t) : 1;
if (i == 5)
{
e->r = e->v;
e->g = p;
e->b = q;
}
}
void Hsv::hsv2rgb(osg::Vec4& rgb, const osg::Vec4& hsv)
{
osg::Vec3 hsv3(hsv[0], hsv[1], hsv[2]);
osg::Vec3 rgb3;
hsv2rgb(rgb3, hsv3);
// Copy to output
rgb[RED] = rgb3[RED];
rgb[GREEN] = rgb3[GREEN];
rgb[BLUE] = rgb3[BLUE];
// Just pass alpha
rgb[ALPHA] = hsv[ALPHA];
}
