1 // -*- Mode: C++; tab-width:2; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 // vi:tw=80:et:ts=2:sts=2 3 // 4 // ----------------------------------------------------------------------- 5 // 6 // This file is part of RLVM, a RealLive virtual machine clone. 7 // 8 // ----------------------------------------------------------------------- 9 // 10 // Copyright (C) 2008 Elliot Glaysher 11 // 12 // This program is free software; you can redistribute it and/or modify 13 // it under the terms of the GNU General Public License as published by 14 // the Free Software Foundation; either version 3 of the License, or 15 // (at your option) any later version. 16 // 17 // This program is distributed in the hope that it will be useful, 18 // but WITHOUT ANY WARRANTY; without even the implied warranty of 19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 // GNU General Public License for more details. 21 // 22 // You should have received a copy of the GNU General Public License 23 // along with this program; if not, write to the Free Software 24 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. 25 // 26 // ----------------------------------------------------------------------- 27 28 #ifndef SRC_SYSTEMS_BASE_TONE_CURVE_H_ 29 #define SRC_SYSTEMS_BASE_TONE_CURVE_H_ 30 31 #include <array> 32 #include <vector> 33 34 class Gameexe; 35 class RLMachine; 36 37 typedef std::array<unsigned char, 256> ToneCurveColorMap; 38 typedef std::array<ToneCurveColorMap, 3> ToneCurveRGBMap; 39 typedef std::vector<ToneCurveRGBMap> ToneCurveEffects; 40 41 // Manages tone curve effects 42 // 43 // The tcc file is a set of mapping between R, G, and B color values and their 44 // corresponding values after the tone curve is applied, where 45 // tcc_effect[2][1][200] 46 // is the corresponding green value for a green value of 200 in the original 47 // image 48 // when the tone curve with the "index" of 2 is applied. 49 // ToneCurve class is responsible for loading the tcc data and providing an 50 // interface for applying tone curve effects. 51 class ToneCurve { 52 public: 53 // Initializes an empty tone curve set (for games that don't use this 54 // feature). 55 ToneCurve(); 56 57 // Initializes the CG table with the TCC data file specified in the 58 // #TONECURVE_FILENAME gameexe key. 59 explicit ToneCurve(Gameexe& gameexe); 60 ~ToneCurve(); 61 62 // Returns the total number of tone curve effects available in the tone curve 63 // file 64 int GetEffectCount() const; 65 66 // Return the effect at the given index (used by Surface in tone_curve()). The 67 // effects are indexed from 0 to effect_count - 1 68 ToneCurveRGBMap GetEffect(int index); 69 70 private: 71 // Array of tone curve effects 72 ToneCurveEffects tcc_info_; 73 int effect_count_; 74 }; // end of class ToneCurve 75 76 #endif // SRC_SYSTEMS_BASE_TONE_CURVE_H_ 77