-/* === S Y N F I G ========================================================= */
-/*! \file gradient.h
-** \brief Color Gradient Class
-**
-** $Id$
-**
-** \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
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __SYNFIG_GRADIENT_H
-#define __SYNFIG_GRADIENT_H
-
-/* === H E A D E R S ======================================================= */
-
-#include "real.h"
-#include "color.h"
-#include <vector>
-#include <utility>
-#include "uniqueid.h"
-
-/* === M A C R O S ========================================================= */
-
-/* === T Y P E D E F S ===================================================== */
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-namespace synfig {
-
-/*! \struct GradientCPoint
-** \brief \todo
-*/
-struct GradientCPoint : public UniqueID
-{
- Real pos;
- Color color;
-
- bool operator<(const GradientCPoint &rhs)const { return pos<rhs.pos; }
- bool operator<(const Real &rhs)const { return pos<rhs; }
-
- GradientCPoint() { }
- GradientCPoint(const Real &pos, const Color &color):pos(pos),color(color) { }
-}; // END of class GradientCPoint
-
-
-/*! \class Gradient
-** \brief Color Gradient Class
-*/
-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 Convenience Constructor
- Gradient(const Color &c1, const Color &c2);
-
- //! Three-Tone Color Gradient Convenience Constructor
- Gradient(const Color &c1, const Color &c2, const Color &c3);
-
- //! 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
- iterator proximity(const Real &x);
-
- //! Returns the const_iterator of the CPoint closest to \a x
- const_iterator proximity(const Real &x)const;
-
- //! Returns the iterator of the CPoint with UniqueID \a id
- iterator find(const UniqueID &id);
-
- //! Returns the const_iterator of the CPoint with UniqueID \a id
- const_iterator find(const UniqueID &id)const;
-}; // END of class Gradient
-
-}; // END of namespace synfig
-
-/* === E N D =============================================================== */
-
-#endif