1 /* 2 * Copyright (C) 2002 - David W. Durham 3 * 4 * This file is part of ReZound, an audio editing application. 5 * 6 * ReZound is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published 8 * by the Free Software Foundation; either version 2 of the License, 9 * or (at your option) any later version. 10 * 11 * ReZound is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 19 */ 20 21 #ifndef __CBalanceAction_H__ 22 #define __CBalanceAction_H__ 23 24 #include "../../../config/common.h" 25 26 #include "../AAction.h" 27 #include "../CGraphParamValueNode.h" 28 29 class CBalanceAction : public AAction 30 { 31 public: 32 enum BalanceTypes 33 { 34 btStrictBalance=0, 35 bt1xPan=1, 36 bt2xPan=2 37 }; 38 39 CBalanceAction(const AActionFactory *factory,const CActionSound *actionSound,const CGraphParamValueNodeList &balanceCurve,const unsigned channelA,const unsigned channelB,const BalanceTypes balanceType); 40 virtual ~CBalanceAction(); 41 42 static const string getBalanceTypeExplanation(); 43 44 protected: 45 bool doActionSizeSafe(CActionSound *actionSound,bool prepareForUndo); 46 void undoActionSizeSafe(const CActionSound *actionSound); 47 CanUndoResults canUndo(const CActionSound *actionSound) const; 48 49 private: 50 const CGraphParamValueNodeList balanceCurve; 51 const unsigned channelA,channelB; 52 const BalanceTypes balanceType; 53 }; 54 55 56 class CSimpleBalanceActionFactory : public AActionFactory 57 { 58 public: 59 CSimpleBalanceActionFactory(AActionDialog *channelSelectDialog,AActionDialog *dialog); 60 virtual ~CSimpleBalanceActionFactory(); 61 62 CBalanceAction *manufactureAction(const CActionSound *actionSound,const CActionParameters *actionParameters) const; 63 }; 64 65 class CCurvedBalanceActionFactory : public AActionFactory 66 { 67 public: 68 CCurvedBalanceActionFactory(AActionDialog *channelSelectDialog,AActionDialog *dialog); 69 virtual ~CCurvedBalanceActionFactory(); 70 71 CBalanceAction *manufactureAction(const CActionSound *actionSound,const CActionParameters *actionParameters) const; 72 }; 73 74 #endif 75