void GetHSV(double r, double g, double b, double& h, double& s, double& v)
{
v=dblmax(r, dblmax(g, b));
double d=v-dblmin(r, dblmin(g, b));
if(d==0.0) {s=0.0; h=0.0; /*std::cerr << "Error in HSV conversion\n";*/ return;}
s=d/v;
if(r==v)
{
if(g>=b)
h = 0.167 * (g-b)/d;
else
h = 0.167 * (g-b)/d + 1.0;
}
if(g==v) h = 0.167 * (b-r)/d + 0.333;
if(b==v) h = 0.167 * (r-g)/d + 0.667;
v/=255.0;
}
void clip_box(box_t *b, box_t *bounds) {
b->xmin = dblmax(b->xmin, bounds->xmin);
b->ymin = dblmax(b->ymin, bounds->ymin);
b->xmax = dblmin(b->xmax, bounds->xmax);
b->ymax = dblmin(b->ymax, bounds->ymax);
}
