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License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
// Created on: 2007-08-04
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// Created by: Alexander GRIGORIEV
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// Copyright (c) 2007-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef VrmlData_ShapeConvert_HeaderFile
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#define VrmlData_ShapeConvert_HeaderFile
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#include <VrmlData_Geometry.hxx>
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#include <VrmlData_Appearance.hxx>
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#include <NCollection_List.hxx>
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#include <TopoDS_Shape.hxx>
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class VrmlData_Scene;
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class TopoDS_Face;
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class Handle_Poly_Triangulation;
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class Handle_Poly_Polygon3D;
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class Handle_VrmlData_Coordinate;
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/**
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* Algorithm converting one shape or a set of shapes to VrmlData_Scene.
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*/
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class VrmlData_ShapeConvert
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{
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public:
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typedef struct {
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TCollection_AsciiString Name;
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TopoDS_Shape Shape;
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Handle(VrmlData_Node) Node;
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} ShapeData;
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// ---------- PUBLIC METHODS ----------
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/**
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* Constructor.
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* @param theScene
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* Scene receiving all Vrml data.
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* @param theScale
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* Scale factor, considering that VRML standard specifies coordinates in
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* meters. So if your data are in mm, you should provide theScale=0.001
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*/
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inline VrmlData_ShapeConvert (VrmlData_Scene& theScene,
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const Standard_Real theScale = 1.)
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: myScene (theScene),
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myScale (theScale)
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{}
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/**
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* Add one shape to the internal list, may be called several times with
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* different shapes.
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*/
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Standard_EXPORT void AddShape (const TopoDS_Shape& theShape,
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const char * theName = 0L);
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/**
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* Convert all accumulated shapes and store them in myScene.
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* The internal data structures are cleared in the end of convertion.
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* @param theExtractFaces
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* If True, converter extracst faces from the shapes.
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* @param theExtractEdges
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* If True, converter extracts edges from the shapes.
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* @param theDeflection
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* Deflection for tessellation of geometrical lines/surfaces. Existing mesh
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* is used if its deflection is smaller than the one given by this
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* parameter.
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* @param theDeflAngle
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* Angular deflection for tessellation of geometrical lines.
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*/
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Standard_EXPORT void Convert (const Standard_Boolean theExtractFaces,
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const Standard_Boolean theExtractEdges,
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const Standard_Real theDeflection = 0.01,
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const Standard_Real theDeflAngle = 20.*M_PI/180.);
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//this value of theDeflAngle is used by default
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//for tesselation while shading (Drawer->HLRAngle())
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protected:
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// ---------- PROTECTED METHODS ----------
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Handle_VrmlData_Geometry triToIndexedFaceSet
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(const Handle_Poly_Triangulation&,
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const TopoDS_Face&,
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const Handle_VrmlData_Coordinate&);
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Handle_VrmlData_Geometry polToIndexedLineSet
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(const Handle_Poly_Polygon3D&);
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Handle_VrmlData_Appearance defaultMaterialFace () const;
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Handle_VrmlData_Appearance defaultMaterialEdge () const;
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private:
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// ---------- PRIVATE FIELDS ----------
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VrmlData_Scene& myScene;
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Standard_Real myScale;
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NCollection_List <ShapeData> myShapes;
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// ---------- PRIVATE METHODS ----------
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void operator= (const VrmlData_ShapeConvert&);
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};
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#endif
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