include/opencascade/DDataStd_DrawPresentation.hxx

0001 // Created on: 1998-09-23
0002 // Created by: Denis PASCAL
0003 // Copyright (c) 1998-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _DDataStd_DrawPresentation_HeaderFile
0018 #define _DDataStd_DrawPresentation_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <TDF_Attribute.hxx>
0024 class Draw_Drawable3D;
0025 class TDF_Label;
0026 class Standard_GUID;
0027 class TDF_RelocationTable;
0028 class TDF_AttributeDelta;
0029
0030 class DDataStd_DrawPresentation;
0031 DEFINE_STANDARD_HANDLE(DDataStd_DrawPresentation, TDF_Attribute)
0032
0033 //! draw presentation of a label of a document
0034 class DDataStd_DrawPresentation : public TDF_Attribute
0035 {
0036
0037 public:
0038   //! api methods on draw presentation
0039   //! ================================
0040   Standard_EXPORT static Standard_Boolean HasPresentation(const TDF_Label& L);
0041
0042   Standard_EXPORT static Standard_Boolean IsDisplayed(const TDF_Label& L);
0043
0044   Standard_EXPORT static void Display(const TDF_Label& L);
0045
0046   Standard_EXPORT static void Erase(const TDF_Label& L);
0047
0048   //! attribute implementation
0049   //! ========================
0050   Standard_EXPORT static void Update(const TDF_Label& L);
0051
0052   Standard_EXPORT static const Standard_GUID& GetID();
0053
0054   Standard_EXPORT DDataStd_DrawPresentation();
0055
0056   Standard_EXPORT void SetDisplayed(const Standard_Boolean status);
0057
0058   Standard_EXPORT Standard_Boolean IsDisplayed() const;
0059
0060   Standard_EXPORT void SetDrawable(const Handle(Draw_Drawable3D)& D);
0061
0062   Standard_EXPORT Handle(Draw_Drawable3D) GetDrawable() const;
0063
0064   Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
0065
0066   Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
0067
0068   Standard_EXPORT void Restore(const Handle(TDF_Attribute)& with) Standard_OVERRIDE;
0069
0070   //! call backs for viewer updating
0071   //! ==============================
0072   Standard_EXPORT void Paste(const Handle(TDF_Attribute)&       into,
0073                              const Handle(TDF_RelocationTable)& RT) const Standard_OVERRIDE;
0074
0075   Standard_EXPORT virtual void AfterAddition() Standard_OVERRIDE;
0076
0077   Standard_EXPORT virtual void BeforeRemoval() Standard_OVERRIDE;
0078
0079   Standard_EXPORT virtual void BeforeForget() Standard_OVERRIDE;
0080
0081   Standard_EXPORT virtual void AfterResume() Standard_OVERRIDE;
0082
0083   Standard_EXPORT virtual Standard_Boolean BeforeUndo(
0084     const Handle(TDF_AttributeDelta)& anAttDelta,
0085     const Standard_Boolean            forceIt = Standard_False) Standard_OVERRIDE;
0086
0087   //! update draw viewer according to delta
0088   //! private methods
0089   //! ===============
0090   Standard_EXPORT virtual Standard_Boolean AfterUndo(
0091     const Handle(TDF_AttributeDelta)& anAttDelta,
0092     const Standard_Boolean            forceIt = Standard_False) Standard_OVERRIDE;
0093
0094   DEFINE_STANDARD_RTTIEXT(DDataStd_DrawPresentation, TDF_Attribute)
0095
0096 protected:
0097 private:
0098   Standard_EXPORT void DrawBuild();
0099
0100   Standard_EXPORT static void DrawDisplay(const TDF_Label&                         L,
0101                                           const Handle(DDataStd_DrawPresentation)& P);
0102
0103   Standard_EXPORT static void DrawErase(const TDF_Label&                         L,
0104                                         const Handle(DDataStd_DrawPresentation)& P);
0105
0106   Standard_Boolean        isDisplayed;
0107   Handle(Draw_Drawable3D) myDrawable;
0108 };
0109
0110 #endif // _DDataStd_DrawPresentation_HeaderFile