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[synfig.git] / synfig-core / trunk / src / synfig / gradient.h

diff --git a/synfig-core/trunk/src/synfig/gradient.h b/synfig-core/trunk/src/synfig/gradient.h
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+/* === S I N F G =========================================================== */
+/*!    \file gradient.h
+**     \brief Color Gradient Class
+**
+**     $Id: gradient.h,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $
+**
+**     \legal
+**     Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+**     This software and associated documentation
+**     are CONFIDENTIAL and PROPRIETARY property of
+**     the above-mentioned copyright holder.
+**
+**     You may not copy, print, publish, or in any
+**     other way distribute this software without
+**     a prior written agreement with
+**     the copyright holder.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SINFG_GRADIENT_H
+#define __SINFG_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 sinfg {
+
+/*! \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
+*/
+class Gradient : public std::vector<GradientCPoint>
+{
+public:
+       typedef GradientCPoint CPoint;
+private:
+       
+public:
+       Gradient() { }
+       
+       //! Two-Tone Color Gradient Convience Constructor
+       Gradient(const Color &c1, const Color &c2);
+
+       //! Three-Tone Color Gradient Convience Constructor
+       Gradient(const Color &c1, const Color &c2, const Color &c3);
+
+       //! Alias for sort (Implemented for consistancy)
+       void sync() { sort(); }
+
+       //! You should call this function after changing stuff.
+       void sort();
+       
+       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 sinfg
+
+/* === E N D =============================================================== */
+
+#endif