**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
/*! \class Gradient
** \brief Color Gradient Class
*/
-class Gradient : public std::vector<GradientCPoint>
+using namespace std;
+class Gradient
{
public:
typedef GradientCPoint CPoint;
+ typedef vector<CPoint> CPointList;
+ typedef CPointList::const_iterator const_iterator;
+ typedef CPointList::iterator iterator;
+ typedef CPointList::const_reverse_iterator const_reverse_iterator;
+ typedef CPointList::reverse_iterator reverse_iterator;
private:
-
+ CPointList cpoints;
public:
Gradient() { }
- //! Two-Tone Color Gradient Convience Constructor
+ //! Two-Tone Color Gradient Convenience Constructor
Gradient(const Color &c1, const Color &c2);
- //! Three-Tone Color Gradient Convience Constructor
+ //! Three-Tone Color Gradient Convenience Constructor
Gradient(const Color &c1, const Color &c2, const Color &c3);
- //! Alias for sort (Implemented for consistancy)
+ //! Alias for sort (Implemented for consistency)
void sync() { sort(); }
//! You should call this function after changing stuff.
void sort();
+ void push_back(const CPoint cpoint) { cpoints.push_back(cpoint); }
+ iterator erase(iterator iter) { return cpoints.erase(iter); }
+ bool empty()const { return cpoints.empty(); }
+ size_t size()const { return cpoints.size(); }
+
+ iterator begin() { return cpoints.begin(); }
+ iterator end() { return cpoints.end(); }
+ reverse_iterator rbegin() { return cpoints.rbegin(); }
+ reverse_iterator rend() { return cpoints.rend(); }
+ const_iterator begin()const { return cpoints.begin(); }
+ const_iterator end()const { return cpoints.end(); }
+ const_reverse_iterator rbegin()const { return cpoints.rbegin(); }
+ const_reverse_iterator rend()const { return cpoints.rend(); }
+
+ Gradient &operator+=(const Gradient &rhs);
+ Gradient &operator-=(const Gradient &rhs);
+ Gradient &operator*=(const float &rhs);
+ Gradient &operator/=(const float &rhs);
+
+ Gradient operator+(const Gradient &rhs)const { return Gradient(*this)+=rhs; }
+ Gradient operator-(const Gradient &rhs)const { return Gradient(*this)-=rhs; }
+ Gradient operator*(const float &rhs)const { return Gradient(*this)*=rhs; }
+ Gradient operator/(const float &rhs)const { return Gradient(*this)/=rhs; }
+
Color operator()(const Real &x, float supersample=0)const;
//! Returns the iterator of the CPoint closest to \a x