1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef NEVERHOOD_PALETTE_H 24 #define NEVERHOOD_PALETTE_H 25 26 #include "neverhood/neverhood.h" 27 #include "neverhood/entity.h" 28 29 namespace Neverhood { 30 31 class Palette : public Entity { 32 public: 33 // Default constructor with black palette 34 Palette(NeverhoodEngine *vm); 35 // Create from existing palette 36 Palette(NeverhoodEngine *vm, byte *palette); 37 // Create from resource with filename 38 Palette(NeverhoodEngine *vm, const char *filename); 39 // Create from resource with fileHash 40 Palette(NeverhoodEngine *vm, uint32 fileHash); 41 virtual ~Palette(); 42 void init(); 43 void usePalette(); 44 void addPalette(const char *filename, int toIndex, int count, int fromIndex); 45 void addPalette(uint32 fileHash, int toIndex, int count, int fromIndex); 46 void addBasePalette(uint32 fileHash, int toIndex, int count, int fromIndex); 47 void copyPalette(const byte *palette, int toIndex, int count, int fromIndex); 48 void copyBasePalette(int toIndex, int count, int fromIndex); 49 void startFadeToBlack(int counter); 50 void startFadeToWhite(int counter); 51 void startFadeToPalette(int counter); 52 void fillBaseWhite(int index, int count); 53 void fillBaseBlack(int index, int count); 54 void copyToBasePalette(byte *palette); 55 protected: 56 int _status; 57 byte *_palette; 58 byte *_basePalette; 59 int _palCounter; 60 byte _fadeToR, _fadeToG, _fadeToB; 61 int _fadeStep; 62 void update(); 63 void fadeColor(byte *rgb, byte toR, byte toG, byte toB); 64 int calculateFadeStep(int counter); 65 }; 66 67 } // End of namespace Neverhood 68 69 #endif /* NEVERHOOD_PALETTE_H */ 70