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V3d_View/Graphic3d_CView pair has been extended to define subview within the other V3d_View instance. The initialization is done in form of V3d_View::SetWindow() taking parent V3d_View instance on input. Subview definition includes dimensions defined as a fraction of a parent view and offset from a corner. This scheme allows splitting window into several subviews automatically occupying entire viewport, like splitting window into two vertial subviews (100%x50% + 100%x50%), three horizontal subviews (33%x100% + 30%x100% + 30%x100%), 1 + 2 stacked subviews (50%x100% + 50%x50% + 50%x50%), as well as thumbnail-alike subviews displayed on top of another larger view. OpenGl_View::Redraw() blits content of subviews into the window within immediate redraw step. AIS_ViewController::FlushViewEvents() has been extended to re-calculate mouse input into local subview coordinates. AIS_ViewController::handleViewRedraw() first redraws subviews and then parent views. Introduced new callback AIS_ViewController::OnSubviewChanged() to switch input focus to another subview on mouse click, implemented by ViewerTest_EventManager (has to be done at application level). vinit command has been extended with parameters -subview and -parent to create a subview. In addition, view dimension arguments now can be defined as a fraction of screen size instead of pixels.
109 lines
3.7 KiB
C++
109 lines
3.7 KiB
C++
// Created on: 2011-09-20
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// Created by: Sergey ZERCHANINOV
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// Copyright (c) 2011-2014 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 OpenGl_Window_HeaderFile
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#define OpenGl_Window_HeaderFile
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#include <Aspect_RenderingContext.hxx>
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#include <Aspect_Window.hxx>
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#include <OpenGl_GlCore11.hxx>
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#include <OpenGl_Caps.hxx>
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#include <Standard_Transient.hxx>
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#if defined(__APPLE__)
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#import <TargetConditionals.h>
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#endif
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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#ifdef __OBJC__
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@class UIView;
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#else
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struct UIView;
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#endif
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#endif
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class OpenGl_Context;
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class OpenGl_GraphicDriver;
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DEFINE_STANDARD_HANDLE(OpenGl_Window,Standard_Transient)
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//! This class represents low-level wrapper over window with GL context.
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//! The window itself should be provided to constructor.
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class OpenGl_Window : public Standard_Transient
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{
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DEFINE_STANDARD_RTTIEXT(OpenGl_Window, Standard_Transient)
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public:
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//! Empty constructor.
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Standard_EXPORT OpenGl_Window();
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//! Initialize the new window - prepare GL context for specified window.
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//! Throws exception in case of failure.
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Standard_EXPORT void Init (const Handle(OpenGl_GraphicDriver)& theDriver,
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const Handle(Aspect_Window)& thePlatformWindow,
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const Handle(Aspect_Window)& theSizeWindow,
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Aspect_RenderingContext theGContext,
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const Handle(OpenGl_Caps)& theCaps,
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const Handle(OpenGl_Context)& theShareCtx);
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//! Destructor
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Standard_EXPORT virtual ~OpenGl_Window();
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//! Resizes the window.
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Standard_EXPORT virtual void Resize();
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//! Return platform window.
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const Handle(Aspect_Window)& PlatformWindow() { return myPlatformWindow; }
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//! Return window object defining dimensions.
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const Handle(Aspect_Window)& SizeWindow() { return mySizeWindow; }
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Standard_Integer Width() const { return mySize.x(); }
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Standard_Integer Height() const { return mySize.y(); }
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//! Return OpenGL context.
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const Handle(OpenGl_Context)& GetGlContext() const { return myGlContext; }
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//! Makes GL context for this window active in current thread
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Standard_EXPORT virtual Standard_Boolean Activate();
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//! Sets swap interval for this window according to the context's settings.
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Standard_EXPORT void SetSwapInterval (Standard_Boolean theToForceNoSync);
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protected:
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//! Activates GL context and setup viewport.
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Standard_EXPORT void init();
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protected:
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Handle(OpenGl_Context) myGlContext;
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Standard_Boolean myOwnGContext; //!< set to TRUE if GL context was not created by this class
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Handle(Aspect_Window) myPlatformWindow; //!< software platform window wrapper
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Handle(Aspect_Window) mySizeWindow; //!< window object defining dimensions
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#if defined(__APPLE__)
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#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
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UIView* myUIView;
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#endif
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Graphic3d_Vec2i mySizePt; //!< window width x height in logical units
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#endif
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Graphic3d_Vec2i mySize; //!< window width x height in pixels
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Standard_Integer mySwapInterval;//!< last assigned swap interval (VSync) for this window
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};
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#endif //_OpenGl_Window_Header
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