1 // Created on: 2003-10-10 2 // Created by: Alexander SOLOVYOV 3 // Copyright (c) 2003-2014 OPEN CASCADE SAS 4 // 5 // This file is part of Open CASCADE Technology software library. 6 // 7 // This library is free software; you can redistribute it and/or modify it under 8 // the terms of the GNU Lesser General Public License version 2.1 as published 9 // by the Free Software Foundation, with special exception defined in the file 10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 11 // distribution for complete text of the license and disclaimer of any warranty. 12 // 13 // Alternatively, this file may be used under the terms of Open CASCADE 14 // commercial license or contractual agreement. 15 16 #ifndef _MeshVS_MeshPrsBuilder_HeaderFile 17 #define _MeshVS_MeshPrsBuilder_HeaderFile 18 19 #include <MeshVS_PrsBuilder.hxx> 20 #include <MeshVS_DisplayModeFlags.hxx> 21 #include <MeshVS_BuilderPriority.hxx> 22 #include <TColStd_PackedMapOfInteger.hxx> 23 #include <TColStd_Array1OfReal.hxx> 24 #include <MeshVS_HArray1OfSequenceOfInteger.hxx> 25 26 class MeshVS_Mesh; 27 class MeshVS_DataSource; 28 class Graphic3d_ArrayOfSegments; 29 class Graphic3d_ArrayOfTriangles; 30 class Graphic3d_ArrayOfPrimitives; 31 class Graphic3d_AspectFillArea3d; 32 class Graphic3d_AspectLine3d; 33 34 DEFINE_STANDARD_HANDLE(MeshVS_MeshPrsBuilder, MeshVS_PrsBuilder) 35 36 //! This class provides methods to compute base mesh presentation 37 class MeshVS_MeshPrsBuilder : public MeshVS_PrsBuilder 38 { 39 40 public: 41 42 43 //! Creates builder with certain display mode flags, data source, ID and priority 44 Standard_EXPORT MeshVS_MeshPrsBuilder(const Handle(MeshVS_Mesh)& Parent, const MeshVS_DisplayModeFlags& Flags = MeshVS_DMF_OCCMask, const Handle(MeshVS_DataSource)& DS = 0, const Standard_Integer Id = -1, const MeshVS_BuilderPriority& Priority = MeshVS_BP_Mesh); 45 46 //! Builds base mesh presentation by calling the methods below 47 Standard_EXPORT virtual void Build (const Handle(Prs3d_Presentation)& Prs, const TColStd_PackedMapOfInteger& IDs, TColStd_PackedMapOfInteger& IDsToExclude, const Standard_Boolean IsElement, const Standard_Integer DisplayMode) const Standard_OVERRIDE; 48 49 //! Builds nodes presentation 50 Standard_EXPORT virtual void BuildNodes (const Handle(Prs3d_Presentation)& Prs, const TColStd_PackedMapOfInteger& IDs, TColStd_PackedMapOfInteger& IDsToExclude, const Standard_Integer DisplayMode) const; 51 52 //! Builds elements presentation 53 Standard_EXPORT virtual void BuildElements (const Handle(Prs3d_Presentation)& Prs, const TColStd_PackedMapOfInteger& IDs, TColStd_PackedMapOfInteger& IDsToExclude, const Standard_Integer DisplayMode) const; 54 55 //! Builds presentation of hilighted entity 56 Standard_EXPORT virtual void BuildHilightPrs (const Handle(Prs3d_Presentation)& Prs, const TColStd_PackedMapOfInteger& IDs, const Standard_Boolean IsElement) const; 57 58 //! Add to array polygons or polylines representing volume 59 Standard_EXPORT static void AddVolumePrs (const Handle(MeshVS_HArray1OfSequenceOfInteger)& Topo, const TColStd_Array1OfReal& Nodes, const Standard_Integer NbNodes, const Handle(Graphic3d_ArrayOfPrimitives)& Array, const Standard_Boolean IsReflected, const Standard_Boolean IsShrinked, const Standard_Boolean IsSelect, const Standard_Real ShrinkCoef); 60 61 //! Calculate how many polygons or polylines are necessary to draw passed topology 62 Standard_EXPORT static void HowManyPrimitives (const Handle(MeshVS_HArray1OfSequenceOfInteger)& Topo, const Standard_Boolean AsPolygons, const Standard_Boolean IsSelect, const Standard_Integer NbNodes, Standard_Integer& Vertices, Standard_Integer& Bounds); 63 64 65 66 67 DEFINE_STANDARD_RTTIEXT(MeshVS_MeshPrsBuilder,MeshVS_PrsBuilder) 68 69 protected: 70 71 72 //! Add to array of polylines some lines representing link 73 Standard_EXPORT void AddLinkPrs (const TColStd_Array1OfReal& theCoords, const Handle(Graphic3d_ArrayOfSegments)& theLines, const Standard_Boolean IsShrinked, const Standard_Real ShrinkCoef) const; 74 75 //! Add to array of segments representing face's wire 76 Standard_EXPORT void AddFaceWirePrs (const TColStd_Array1OfReal& theCoords, const Standard_Integer theNbNodes, const Handle(Graphic3d_ArrayOfSegments)& theLines, const Standard_Boolean theIsShrinked, const Standard_Real theShrinkingCoef) const; 77 78 //! Add to array of polygons a polygon representing face 79 Standard_EXPORT void AddFaceSolidPrs (const Standard_Integer ID, const TColStd_Array1OfReal& theCoords, const Standard_Integer theNbNodes, const Standard_Integer theMaxNodes, const Handle(Graphic3d_ArrayOfTriangles)& theTriangles, const Standard_Boolean theIsReflected, const Standard_Boolean theIsShrinked, const Standard_Real theShrinkCoef, const Standard_Boolean theIsMeshSmoothShading) const; 80 81 //! Draw array of polygons and polylines in the certain order according to transparency 82 Standard_EXPORT void DrawArrays (const Handle(Prs3d_Presentation)& Prs, const Handle(Graphic3d_ArrayOfPrimitives)& thePolygons, const Handle(Graphic3d_ArrayOfPrimitives)& theLines, const Handle(Graphic3d_ArrayOfPrimitives)& theLinkLines, const Handle(Graphic3d_ArrayOfPrimitives)& theVolumesInShad, const Standard_Boolean IsPolygonsEdgesOff, const Standard_Boolean IsSelected, const Handle(Graphic3d_AspectFillArea3d)& theFillAsp, const Handle(Graphic3d_AspectLine3d)& theLineAsp) const; 83 84 //! Default calculation of center of face or link. This method if useful for shrink mode presentation 85 //! theCoords is array of nodes co-ordinates in the strict order X1, Y1, Z1, X2... 86 //! NbNodes is number of nodes an element consist of 87 //! xG, yG, zG are co-ordinates of center whose will be returned 88 Standard_EXPORT static void CalculateCenter (const TColStd_Array1OfReal& theCoords, const Standard_Integer NbNodes, Standard_Real& xG, Standard_Real& yG, Standard_Real& zG); 89 90 91 92 private: 93 94 95 96 97 }; 98 99 100 101 102 103 104 105 #endif // _MeshVS_MeshPrsBuilder_HeaderFile 106