/* === S Y N F I G ========================================================= */
/*! \file palette.h
** \brief Template Header
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
** 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_PALETTE_H
#define __SYNFIG_PALETTE_H
/* === H E A D E R S ======================================================= */
#include "color.h"
#include "string.h"
#include <vector>
/* === 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 {
class Surface;
struct PaletteItem
{
Color color;
String name;
int weight;
PaletteItem():weight(1) { }
PaletteItem(const Color& color, const String& name, int weight=1):
color(color),name(name),weight(weight) { }
PaletteItem(const Color& color, int weight=1):
color(color),weight(weight) { }
void add(const Color& x, int weight=1);
bool operator<(const PaletteItem& rhs)const { return weight<rhs.weight; }
}; // END of struct PaletteItem
class Palette : public std::vector<PaletteItem>
{
String name_;
public:
Palette();
Palette(const String& name_);
/*! Generates a palette for the given
** surface
*/
Palette(const Surface& surface, int size, const Gamma &gamma);
iterator find_closest(const Color& color, const Gamma &gamma, float* dist = 0);
const_iterator find_closest(const Color& color, const Gamma &gamma, float* dist = 0)const;
iterator find_heavy();
iterator find_light();
static Palette grayscale(int steps, ColorReal gamma);
void save_to_file(const synfig::String& filename)const;
static Palette load_from_file(const synfig::String& filename);
}; // END of class Palette
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif