// $Id: brushref.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============================ */ // The brushref class #ifndef BRUSHREF #define BRUSHREF #include "nodebldr.h" //#include "ink.h" - in camtypes.h [AUTOMATICALLY REMOVED] class BitmapFillAttribute; /*********************************************************************************************** > class BlendPathOffset Author: Diccon_Yamanaka (Xara Group Ltd) Created: 18/10/99 Purpose: Stores the translation of the blendpath to the centre of its parent object. ***********************************************************************************************/ class BlendPathOffset { public: BlendPathOffset() {m_XOffset = 0; m_YOffset = 0; m_Angle = 0; m_Magnitude = 0;} BlendPathOffset(MILLIPOINT X, MILLIPOINT Y) {m_XOffset = X; m_YOffset = Y; CalculateAngleAndMagnitude();} void CalculateAngleAndMagnitude(); // get the polar version void GetAngleAndMagnitude(double* pAngle, MILLIPOINT* pMagnitude); // work out what the offsets would be if it were rotated void RotateByAngle(double Angle, MILLIPOINT* pXoffset, MILLIPOINT* pYOffset); public: //data MILLIPOINT m_XOffset; MILLIPOINT m_YOffset; protected: // the polar representation double m_Angle; MILLIPOINT m_Magnitude; }; /*********************************************************************************************** > class BrushRef : public BlendRef Author: Diccon_Yamanaka (Xara Group Ltd) Created: 7/12/99 Purpose: 'wrapper' for the blendref class for use with the brush. Contains the information that the nodebrushmaker needs to draw the brush objects ***********************************************************************************************/ class BrushRef : public BlendRef { CC_DECLARE_MEMDUMP(BrushRef); public: typedef std::list list; typedef list::iterator iterator; public: BrushRef(); ~BrushRef(); BOOL Initialise(NodeRenderableInk* pInitNode); BlendPathOffset* GetFirstOffset( iterator *pHeadPosition ); BlendPathOffset* GetNextOffset( iterator *pPosition ); iterator GetEndPosition() { return m_OffsetList.end(); } DocRect GetBoundingRect(); void DeleteBitmapFills(); // deletes bitmap fills, use only when camelot is closing void DeleteAttributesAndPath(); void FreeAttributes(); void TranslateTo(DocCoord Target); void TransformAttributes(TransformBase& Trans); // get the blendpaths to copy their data for rendering BOOL MakeCopiesForRendering(); BOOL UpdateCopies(); void DeleteRenderCopies(); // returns the first and subsequent copies of the blendpaths Path* GetFirstCopyPath(); Path* GetNextCopyPath(); // returns the attribute map pertaining to the current blendpath CCAttrMap* GetCurrentAttributeCopy(); protected: //helper functions BOOL SetBitmapFillFlags(); // tells any bitmap fills not to delete themselves normally as we will do it protected: NodeRenderableInk* m_pNode; List m_BlendPathList; UINT32 m_NumBlendPaths; CMapPtrToPtr* m_pBlendPathAttrMap; DocRect m_CachedRect; // the list of transformations from the centre of the blendpath to the centre of // the inknode. Only really used when making brushes from groups. list m_OffsetList; // our current blendpath for rendering BlendPath* m_pCurrentBlendPath; }; /*********************************************************************************************** > class BrushRefBlender : public CC_CLASS_MEMDUMP Author: Diccon_Yamanaka (Xara Group Ltd) Created: 7/12/99 Purpose: An instance of this class is designed to take two BrushRef objects and blend together their paths and attributes, churning out a BlendedBrushRef object at the end. It essentially rips off a lot of what the NodeBlender does, except that instead of rendering anything or existing in the tree it just produces a blended object. ***********************************************************************************************/ class BrushRefBlender : public CC_CLASS_MEMDUMP { CC_DECLARE_MEMDUMP(BrushRefBlender); public: BrushRefBlender(); ~BrushRefBlender(); void SetBrushRef(BrushRef* pBrushRef, BOOL First); BrushRef* Blend(BrushRef* pStartBrushRef, BrushRef* pOther, double Ratio); protected: //helper functions BOOL BlendPaths(BlendPath* pBlendPathStart,BlendPath* pBlendPathEnd,double BlendRatio); BOOL BlendAttributes(BlendPath* pBlendPathStart, BlendPath* pBlendPathEnd, CCAttrMap* pBlendedAttribMap,double BlendRatio); BOOL ReallocTempBuffers(UINT32 Size); void DeallocTempBuffers(); // Access funcs for the path arrays DocCoord* GetCoordArray(UINT32 MinSize); PathVerb* GetVerbArray(UINT32 MinSize); PathFlags* GetFlagArray(UINT32 MinSize); UINT32* GetGBlendBuff(UINT32 MinSize); protected: //data // the two brushrefs to be blended BrushRef* m_pStartBrushRef; BrushRef* m_pEndBrushRef; // The following set of vars deal with arrays that are set up by the PreBlend() routine // Also, these arrays can also change by calls to the access funcs GetCoordArray(), GetVerbArray() and GetFlagArray() UINT32 m_TempArraySize; DocCoord* m_pTempCoords; PathVerb* m_pTempVerbs; PathFlags* m_pTempFlags; UINT32 m_GBlendBuffSize; UINT32* m_pGBlendBuff; UINT32 m_ArrayLength; }; #endif