COLORREF CPaletteLinear::Color(_double v)
{
color_map::iterator it;
triplet q;
assert(items.size());
//
it = (items.size() > 1) ? items.lower_bound(v) : items.begin();
if (it == items.begin())
{
q = items.begin()->second;
}
else
if (it == items.end())
{
q = it->second;
}
else
{
_double v1 = it->first;
triplet & more = it->second; it--;
_double v0 = it->first;
triplet & less = it->second;
_double f = (v - v0)/(v1 - v0);
q.a = less.a + f * (more.a - less.a);
q.b = less.b + f * (more.b - less.b);
q.c = less.c + f * (more.c - less.c);
}
return hsv ? FromHSV(q.a,q.b,q.c) : FromRGB(q.a,q.b,q.c);
}
Color::Color(HSV newColor) {
FromHSV(newColor);
}
void Color::FromHSV(HSV newColor) {
FromHSV(newColor.h, newColor.s, newColor.v);
}
Color::Color(float h, float s, float v) {
FromHSV(h, s, v);
}