1 /* === S Y N F I G ========================================================= */ 2 /*! \file palette.h 3 ** \brief Template Header 4 ** 5 ** $Id$ 6 ** 7 ** \legal 8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley 9 ** 10 ** This package is free software; you can redistribute it and/or 11 ** modify it under the terms of the GNU General Public License as 12 ** published by the Free Software Foundation; either version 2 of 13 ** the License, or (at your option) any later version. 14 ** 15 ** This package is distributed in the hope that it will be useful, 16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 ** General Public License for more details. 19 ** \endlegal 20 */ 21 /* ========================================================================= */ 22 23 /* === S T A R T =========================================================== */ 24 25 #ifndef __SYNFIG_PALETTE_H 26 #define __SYNFIG_PALETTE_H 27 28 /* === H E A D E R S ======================================================= */ 29 30 #include "color.h" 31 #include "string.h" 32 #include <vector> 33 34 /* === M A C R O S ========================================================= */ 35 36 /* === T Y P E D E F S ===================================================== */ 37 38 /* === C L A S S E S & S T R U C T S ======================================= */ 39 40 namespace synfig { 41 42 class Surface; 43 44 struct PaletteItem 45 { 46 Color color; 47 String name; 48 int weight; 49 PaletteItemPaletteItem50 PaletteItem():weight(1) { } 51 52 PaletteItem(const Color& color, const String& name, int weight=1): colorPaletteItem53 color(color),name(name),weight(weight) { } 54 55 PaletteItem(const Color& color, int weight=1): colorPaletteItem56 color(color),weight(weight) { } 57 58 void add(const Color& x, int weight=1); 59 60 bool operator<(const PaletteItem& rhs)const { return weight<rhs.weight; } 61 }; // END of struct PaletteItem 62 63 class Palette : public std::vector<PaletteItem> 64 { 65 String name_; 66 67 public: 68 Palette(); 69 Palette(const String& name_); 70 71 /*! Generates a palette for the given 72 ** surface 73 */ 74 Palette(const Surface& surface, int size=256); 75 76 iterator find_closest(const Color& color, float* dist=0); 77 const_iterator find_closest(const Color& color, float* dist=0)const; 78 79 iterator find_heavy(); 80 81 iterator find_light(); 82 83 static Palette grayscale(int steps=16); 84 85 void save_to_file(const synfig::String& filename)const; 86 87 static Palette load_from_file(const synfig::String& filename); 88 }; // END of class Palette 89 90 }; // END of namespace synfig 91 92 /* === E N D =============================================================== */ 93 94 #endif 95