0026607: Wrong value of area.
[occt.git] / src / Graphic3d / Graphic3d_GraphicDriver.hxx
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42cf5bc1 1// Created on: 1997-01-28
2// Created by: CAL
3// Copyright (c) 1997-1999 Matra Datavision
4// Copyright (c) 1999-2014 OPEN CASCADE SAS
5//
6// This file is part of Open CASCADE Technology software library.
7//
8// This library is free software; you can redistribute it and/or modify it under
9// the terms of the GNU Lesser General Public License version 2.1 as published
10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
13//
14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
16
17#ifndef _Graphic3d_GraphicDriver_HeaderFile
18#define _Graphic3d_GraphicDriver_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_Type.hxx>
22
23#include <Standard_Integer.hxx>
24#include <Aspect_DisplayConnection.hxx>
25#include <Standard_Boolean.hxx>
26#include <MMgt_TShared.hxx>
27#include <Graphic3d_CView.hxx>
28#include <Graphic3d_CStructure.hxx>
29#include <Aspect_GradientFillMethod.hxx>
30#include <Standard_CString.hxx>
31#include <Aspect_FillMethod.hxx>
42cf5bc1 32#include <Standard_Size.hxx>
33#include <Quantity_NameOfColor.hxx>
34#include <Standard_Real.hxx>
35#include <Aspect_TypeOfTriedronPosition.hxx>
36#include <Aspect_TypeOfTriedronEcho.hxx>
37#include <Graphic3d_GraduatedTrihedron.hxx>
38#include <Graphic3d_Vec3.hxx>
39#include <Standard_ShortReal.hxx>
40#include <Standard_Address.hxx>
41#include <Graphic3d_PtrFrameBuffer.hxx>
42#include <Image_PixMap.hxx>
43#include <Graphic3d_BufferType.hxx>
44#include <Aspect_Handle.hxx>
45#include <Aspect_PrintAlgo.hxx>
46#include <Graphic3d_ExportFormat.hxx>
47#include <Graphic3d_SortType.hxx>
48#include <Graphic3d_ZLayerId.hxx>
49#include <Graphic3d_ZLayerSettings.hxx>
50#include <Graphic3d_CLight.hxx>
51#include <TColStd_Array2OfReal.hxx>
c357e426 52#include <TColStd_SequenceOfInteger.hxx>
53
54class Graphic3d_CView;
55class Graphic3d_GraphicDriver;
42cf5bc1 56class Graphic3d_TransformError;
57class Graphic3d_Structure;
58class Graphic3d_StructureManager;
c357e426 59class Graphic3d_ViewManager;
42cf5bc1 60class Quantity_Color;
61class TCollection_AsciiString;
62
42cf5bc1 63DEFINE_STANDARD_HANDLE(Graphic3d_GraphicDriver, MMgt_TShared)
64
65//! This class allows the definition of a graphic driver
66//! for 3d interface (currently only OpenGl driver is used).
67class Graphic3d_GraphicDriver : public MMgt_TShared
68{
69
70public:
71
72
73 //! call_togl_inquirelight
c357e426 74 virtual Standard_Integer InquireLightLimit() = 0;
42cf5bc1 75
76 //! call_togl_inquireplane
c357e426 77 virtual Standard_Integer InquirePlaneLimit() = 0;
42cf5bc1 78
79 //! call_togl_inquireview
c357e426 80 virtual Standard_Integer InquireViewLimit() = 0;
42cf5bc1 81
82 //! Creates new empty graphic structure
c357e426 83 virtual Handle(Graphic3d_CStructure) CreateStructure (const Handle(Graphic3d_StructureManager)& theManager) = 0;
42cf5bc1 84
c357e426 85 //! Removes structure from graphic driver and releases its resources.
86 virtual void RemoveStructure (Handle(Graphic3d_CStructure)& theCStructure) = 0;
42cf5bc1 87
c357e426 88 //! Creates new view for this graphic driver.
89 virtual Handle(Graphic3d_CView) CreateView (const Handle(Graphic3d_StructureManager)& theMgr) = 0;
42cf5bc1 90
c357e426 91 //! Removes view from graphic driver and releases its resources.
92 virtual void RemoveView (const Handle(Graphic3d_CView)& theView) = 0;
62e1beed 93
42cf5bc1 94 //! enables/disables usage of OpenGL vertex buffer arrays while drawing primitiev arrays
c357e426 95 virtual void EnableVBO (const Standard_Boolean status) = 0;
42cf5bc1 96
97 //! Returns information about GPU memory usage.
c357e426 98 virtual Standard_Boolean MemoryInfo (Standard_Size& theFreeBytes, TCollection_AsciiString& theInfo) const = 0;
42cf5bc1 99
c357e426 100 virtual Standard_ShortReal DefaultTextHeight() const = 0;
42cf5bc1 101
102 //! call_togl_textsize2d
c357e426 103 virtual void TextSize (const Standard_CString AText, const Standard_ShortReal AHeight, Standard_ShortReal& AWidth, Standard_ShortReal& AnAscent, Standard_ShortReal& ADescent) const = 0;
42cf5bc1 104
42cf5bc1 105 //! Add a new top-level z layer with ID <theLayerId> for
106 //! the view. Z layers allow drawing structures in higher layers
107 //! in foreground of structures in lower layers. To add a structure
108 //! to desired layer on display it is necessary to set the layer
109 //! ID for the structure.
c357e426 110 virtual void AddZLayer (const Graphic3d_ZLayerId theLayerId) = 0;
42cf5bc1 111
c357e426 112 //! Removes Z layer. All structures displayed at the moment in layer will be displayed in
113 //! default layer (the bottom-level z layer). By default, there are always default
114 //! bottom-level layer that can't be removed. The passed theLayerId should be not less than 0
115 //! (reserved for default layers that can not be removed).
116 virtual void RemoveZLayer (const Graphic3d_ZLayerId theLayerId) = 0;
117
118 //! Returns list of Z layers defined for the graphical driver.
119 virtual void ZLayers (TColStd_SequenceOfInteger& theLayerSeq) const = 0;
120
121 //! Sets the settings for a single Z layer.
122 virtual void SetZLayerSettings (const Graphic3d_ZLayerId theLayerId, const Graphic3d_ZLayerSettings& theSettings) = 0;
123
124 //! Returns the settings of a single Z layer.
125 virtual Graphic3d_ZLayerSettings ZLayerSettings (const Graphic3d_ZLayerId theLayerId) = 0;
126
127 //! Returns view associated with the window if it is exists and is activated.
128 //! Returns Standard_True if the view associated to the window exists.
129 virtual Standard_Boolean ViewExists (const Handle(Aspect_Window)& theWindow, Handle(Graphic3d_CView)& theView) = 0;
42cf5bc1 130
42cf5bc1 131 Standard_EXPORT void PrintBoolean (const Standard_CString AComment, const Standard_Boolean AValue) const;
132
133 Standard_EXPORT void PrintCLight (const Graphic3d_CLight& ACLight, const Standard_Integer AField) const;
134
135 Standard_EXPORT void PrintCStructure (const Graphic3d_CStructure& ACStructure, const Standard_Integer AField) const;
136
137 Standard_EXPORT void PrintCView (const Graphic3d_CView& ACView, const Standard_Integer AField) const;
138
139 Standard_EXPORT void PrintFunction (const Standard_CString AFunc) const;
140
141 Standard_EXPORT void PrintInteger (const Standard_CString AComment, const Standard_Integer AValue) const;
142
143 Standard_EXPORT void PrintIResult (const Standard_CString AFunc, const Standard_Integer AResult) const;
144
145 Standard_EXPORT void PrintShortReal (const Standard_CString AComment, const Standard_ShortReal AValue) const;
146
147 Standard_EXPORT void PrintMatrix (const Standard_CString AComment, const TColStd_Array2OfReal& AMatrix) const;
148
149 Standard_EXPORT void PrintString (const Standard_CString AComment, const Standard_CString AString) const;
150
151 Standard_EXPORT void SetTrace (const Standard_Integer ALevel);
152
153 Standard_EXPORT Standard_Integer Trace() const;
154
155 //! returns Handle to display connection
156 Standard_EXPORT const Handle(Aspect_DisplayConnection)& GetDisplayConnection() const;
157
158 Standard_EXPORT Standard_Boolean IsDeviceLost() const;
159
160 Standard_EXPORT void ResetDeviceLostFlag();
161
42cf5bc1 162 DEFINE_STANDARD_RTTI(Graphic3d_GraphicDriver,MMgt_TShared)
163
164protected:
165
166
c357e426 167 //! Initializes the Driver
42cf5bc1 168 Standard_EXPORT Graphic3d_GraphicDriver(const Handle(Aspect_DisplayConnection)& theDisp);
169
170 Standard_Integer MyTraceLevel;
171 Handle(Aspect_DisplayConnection) myDisplayConnection;
172 Standard_Boolean myDeviceLostFlag;
173
174
175private:
176
177
178
179
180};
181
182
183
184
185
186
187
188#endif // _Graphic3d_GraphicDriver_HeaderFile