// $Id: rsmooth.h 1282 2006-06-09 09:46:49Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are 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. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // Contains class definitions for retrosmoothing functions /* */ #ifndef INC_RETSMOOTH #define INC_RETSMOOTH //#include "selop.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "doccoord.h" - in camtypes.h [AUTOMATICALLY REMOVED] #define SMOOTH_MAX (2000*2000) #define SMOOTH_MIN (256*256) #define OPTOKEN_RETROSMOOTH _T("RetroSmooth") // define a region type to hold region start, end values struct Set { INT32 first; BOOL Finclusive; INT32 last; BOOL Linclusive; }; #define ITEM_TYPE Set class NodePath; /****************************************************************************** class DynArray Author: Mike_Kenny (Xara Group Ltd) Created: 16/11/94 Purpose: A temporary class to control a dynamic array of doccoords. This will be replaced by a template class whenever we can use the template directive. ******************************************************************************/ class DynArray { public: DynArray(); ~DynArray(); BOOL Initialise(INT32 inititems, INT32 newitems); ITEM_TYPE* GetFirstItem(); INT32 NumItems() { return UsedSlots; }; BOOL AddItem(ITEM_TYPE&); void DeleteItems(INT32 firstitem, INT32 numitems); void Empty(BOOL compress=TRUE); ITEM_TYPE& operator[](const INT32 i); void Compact(); BOOL CloneFrom(DynArray* SourceArray); private: BOOL MakeSpaceInList(const INT32 numitems); private: MHANDLE BlockHandle; INT32 UsedSlots; INT32 UnusedSlots; INT32 SlotInitSize; INT32 SlotAllocSize; }; /****************************************************************************** > class RetroSmooth Author: Mike_Kenny (Xara Group Ltd) Created: 11/11/94 Purpose: A new class to control retro smoothing of path regions. ******************************************************************************/ class RetroSmooth { public: RetroSmooth(); BOOL Initialise(); void Changing(NodePath* pNodePath, Spread* pSpread, double smooth); void Finished(); void Invalidate(); double ReturnCachedAccuracy(Path* pPath); // non-undoable version of finished. does not launch an operation BOOL FinishedNoUndo(NodePath* pNodePath); void SetRenderFlag(BOOL Render); private: BOOL Starting(NodePath* pDocNodePath); void Update(); BOOL RenderRegions(); BOOL NewPathToSmooth(NodePath* pNodePath); BOOL MatchRegions(NodePath* pNodePath); BOOL RecordPathRegions(Path* pPath); void AlterRegion(INT32 index, INT32 newstart, INT32 newend); INT32 FindMasterRegion(); void TranslateRetroData(Path* pPath); private: BOOL RetroSmoothing; NodePath* pRetroNode; // a pointer to the current 'retro' node Spread* pRetroSpread; Path RetroPath; // the original path points we need Path RetroEorPath; // the current path points after smoothing DynArray RetroEorRegion; // the working path regions double RetroSmoothPercent; // the current cached percentage double RetroSmoothAcc; // the current retro smoothing accurary INT32 RetroPathCRC; // cyclic reduncancy for the EorPath INT32 RetroSelCRC; // cyclic redundancy for the Selected points BOOL m_bRender; // flag to say whether or not we should do EOR rendering }; /******************************************************************************************** > class OpRetroSmooth : public SelOperation Author: Mike_Kenny (Xara Group Ltd) Created: 7/10/94 Purpose: ********************************************************************************************/ class OpRetroSmooth : public SelOperation { CC_DECLARE_DYNCREATE(OpRetroSmooth) public: OpRetroSmooth(); static BOOL Init(); static OpState GetState(String_256*, OpDescriptor*); void GetOpName(String_256* OpName); void DoRetroSmooth(NodePath* pNode, Path* pPath, double smoothacc); }; #endif