// STColor4ub.cpp
#include "STColor4ub.h"

#include "STColor3f.h"
#include "STColor4f.h"
#include "STUtil.h"

/* Helper routine - convert a single component f->ub */
static unsigned char clampComponent(float c)
{
    return (unsigned char) STMax(0.f, STMin(255.f, c * 255.f));
}

/* Constructors */
STColor4ub::STColor4ub()
    : r(0), g(0), b(0), a(0)
{
}

STColor4ub::STColor4ub(const STColor4ub& c)
    : r(c.r), g(c.g), b(c.b), a(c.a)
{
}

STColor4ub::STColor4ub(Component c, Component _a)
    : r(c), g(c), b(c), a(_a)
{
}

STColor4ub::STColor4ub(Component _r, Component _g, Component _b, Component _a)
    : r(_r), g(_g), b(_b), a(_a)
{
}

STColor4ub::STColor4ub(const STColor3f& c, Component _a)
    : r(clampComponent(c.r))
    , g(clampComponent(c.g))
    , b(clampComponent(c.b))
    , a(_a)
{
}

STColor4ub::STColor4ub(const STColor4f& c)
    : r(clampComponent(c.r))
    , g(clampComponent(c.g))
    , b(clampComponent(c.b))
    , a(clampComponent(c.a))
{
}