// $Id: bevtrap.h 751 2006-03-31 15:43:49Z 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============================ */ #ifndef _BEVTRAP_H #define _BEVTRAP_H #include "pathproc.h" #include "pathtrap.h" class CCreateBevelTrapezoids : public CCObject { CC_DECLARE_DYNCREATE(CCreateBevelTrapezoids); public: // creates the bevel trap list BOOL ProcessTrapsForBevelling(Path *pPath, TrapsList *RetnTraps, INT32 indent, JointType jType, BOOL bOuter); // gives the inner point from a trap edge and puts it in dc static void CalcInnerPoint(TrapEdge * pEdge, INT32 indent, DocCoord * dc, BOOL bOuter); #ifdef _DEBUG static void DumpList(TrapsList * pList); #endif static BOOL CalculateIntersection(const DocCoord * start1, const NormCoord * dir1, const DocCoord * start2, const NormCoord * dir2, DocCoord * point, double * p, double * q); static void GetPathFromTraps(TrapsList * pTraps, const MILLIPOINT Width, Path * pPath); // elimintates the multiple points in the path static BOOL EliminateMultpilePoints(Path * pSrc, Path * pDest); // calculates the intersection between two lines private: // is this an outer turn on the path ? BOOL IsOuterTurn(NormCoord * nc1, NormCoord * nc2); // adds a given edge to the list BOOL AddEdgeToList(TrapEdgeList * pList, DocCoord * Centre, NormCoord * Normal, double Position, NormCoord * pNormal2=NULL); // smooths off the corners (otherwise they come out as being jaggy BOOL SmoothCorners(TrapsList * pList, TrapsList * RetnList, double Indent, BOOL bOuterBevel); // offsets index by 'offset', with maximum value being max-1 // used to circle around the paths INT32 AlterIndex(INT32 index, INT32 max, INT32 offset); // creates the traps from the path BOOL ProcessPath(Path * pPath, TrapsList *RetnTraps, INT32 indent, BOOL bOuter, JointType jType); // creates a round join (recursive) void CreateRoundJoin(TrapEdgeList * pList, DocCoord * pCentre, NormCoord * pStartNorm, NormCoord * pEndNorm, INT32 depth = 0); // makes sure all inner points are at a consistant distance from the original path // based on where the outer points are void FlattenInnerPoints(TrapEdgeList * pList, INT32 indent, BOOL bOuter); // adds edges between centre 1 and centre 2 with the same inner point void RecursivelyAddEdges(TrapEdgeList * pList, DocCoord * pCentre1, DocCoord * pCentre2, DocCoord * pInnerPoint, double MOneDivIndent, INT32 depth = 0); } ; #endif