| 1 | // Created on: 2011-09-20 |
| 2 | // Created by: Sergey ZERCHANINOV |
| 3 | // Copyright (c) 2011-2014 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 _OpenGl_Window_Header |
| 17 | #define _OpenGl_Window_Header |
| 18 | |
| 19 | #include <OpenGl_GlCore11.hxx> |
| 20 | #include <InterfaceGraphic_Aspect.hxx> |
| 21 | #include <OpenGl_Caps.hxx> |
| 22 | |
| 23 | #include <Handle_OpenGl_Context.hxx> |
| 24 | #include <Handle_OpenGl_Window.hxx> |
| 25 | #include <Handle_OpenGl_GraphicDriver.hxx> |
| 26 | |
| 27 | #include <MMgt_TShared.hxx> |
| 28 | |
| 29 | #if defined(__APPLE__) |
| 30 | #import <TargetConditionals.h> |
| 31 | #endif |
| 32 | |
| 33 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE |
| 34 | #ifdef __OBJC__ |
| 35 | @class UIView; |
| 36 | #else |
| 37 | struct UIView; |
| 38 | #endif |
| 39 | #endif |
| 40 | |
| 41 | //! This class represents low-level wrapper over window with GL context. |
| 42 | //! The window itself should be provided to constructor. |
| 43 | class OpenGl_Window : public MMgt_TShared |
| 44 | { |
| 45 | public: |
| 46 | |
| 47 | //! Main constructor - prepare GL context for specified window. |
| 48 | OpenGl_Window (const Handle(OpenGl_GraphicDriver)& theDriver, |
| 49 | const CALL_DEF_WINDOW& theCWindow, |
| 50 | Aspect_RenderingContext theGContext, |
| 51 | const Handle(OpenGl_Caps)& theCaps, |
| 52 | const Handle(OpenGl_Context)& theShareCtx); |
| 53 | |
| 54 | //! Destructor |
| 55 | virtual ~OpenGl_Window(); |
| 56 | |
| 57 | //! Resizes the window. |
| 58 | void Resize (const CALL_DEF_WINDOW& theCWindow); |
| 59 | |
| 60 | //! Reads depth component for current scene into specified buffer. |
| 61 | void ReadDepths (const Standard_Integer theX, const Standard_Integer theY, |
| 62 | const Standard_Integer theWidth, const Standard_Integer theHeight, |
| 63 | float* theDepths); |
| 64 | |
| 65 | void SetBackgroundColor (const Standard_ShortReal theR, |
| 66 | const Standard_ShortReal theG, |
| 67 | const Standard_ShortReal theB); |
| 68 | |
| 69 | Standard_Integer Width() const { return myWidth; } |
| 70 | Standard_Integer Height() const { return myHeight; } |
| 71 | const TEL_COLOUR& BackgroundColor() const { return myBgColor; } |
| 72 | |
| 73 | const Handle(OpenGl_Context)& GetGlContext() const { return myGlContext; } |
| 74 | |
| 75 | protected: |
| 76 | |
| 77 | //! Activates GL context and setup viewport. |
| 78 | void Init(); |
| 79 | |
| 80 | //! Makes GL context for this window active in current thread |
| 81 | virtual Standard_Boolean Activate(); |
| 82 | |
| 83 | void EnableFeatures() const; |
| 84 | void DisableFeatures() const; |
| 85 | |
| 86 | protected: |
| 87 | |
| 88 | Handle(OpenGl_Context) myGlContext; |
| 89 | Standard_Boolean myOwnGContext; //!< set to TRUE if GL context was not created by this class |
| 90 | #if defined(__APPLE__) |
| 91 | #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE |
| 92 | UIView* myUIView; |
| 93 | #endif |
| 94 | Standard_Integer myWidthPt; //!< window width in logical units |
| 95 | Standard_Integer myHeightPt; //!< window height in logical units |
| 96 | #endif |
| 97 | Standard_Integer myWidth; //!< window width in pixels |
| 98 | Standard_Integer myHeight; //!< window height in pixels |
| 99 | TEL_COLOUR myBgColor; //!< background color |
| 100 | |
| 101 | public: |
| 102 | |
| 103 | DEFINE_STANDARD_RTTI(OpenGl_Window) // Type definition |
| 104 | DEFINE_STANDARD_ALLOC |
| 105 | |
| 106 | }; |
| 107 | |
| 108 | #endif //_OpenGl_Window_Header |