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occt/src/OpenGl/OpenGl_GraphicDriver_1.cxx
2012-03-26 15:56:09 +04:00

105 lines
3.5 KiB
C++
Executable File

// Created on: 2011-10-20
// Created by: Sergey ZERCHANINOV
// Copyright (c) 2011-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
#include <OpenGl_GraphicDriver.hxx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
#include <OpenGl_CView.hxx>
#include <OpenGl_Display.hxx>
//=======================================================================
//function : Begin
//purpose :
//=======================================================================
Standard_Boolean OpenGl_GraphicDriver::Begin (const Standard_CString ADisplay)
{
try
{
openglDisplay = new OpenGl_Display(ADisplay);
return Standard_True;
}
catch (Standard_Failure)
{
}
return Standard_False;
}
//=======================================================================
//function : Begin
//purpose :
//=======================================================================
Standard_Boolean OpenGl_GraphicDriver::Begin (const Aspect_Display ADisplay)
{
try
{
openglDisplay = new OpenGl_Display(ADisplay);
return Standard_True;
}
catch (Standard_Failure)
{
}
return Standard_False;
}
//=======================================================================
//function : End
//purpose :
//=======================================================================
void OpenGl_GraphicDriver::End ()
{
// This is unsafe to realease global object here
// because noone guaranteed that only one instance of OpenGl_GraphicDriver is used!
// So we disable this destructor here until openglDisplay not moved to OpenGl_GraphicDriver class definition.
///openglDisplay.Nullify();
}
//=======================================================================
//function : BeginAnimation
//purpose :
//=======================================================================
void OpenGl_GraphicDriver::BeginAnimation (const Graphic3d_CView& ACView)
{
const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
if (aCView)
{
const Standard_Boolean UpdateAM = (ACView.IsDegenerates && !ACView.IsDegeneratesPrev) || (!ACView.IsDegenerates && ACView.IsDegeneratesPrev);
aCView->WS->BeginAnimation(ACView.IsDegenerates != 0,UpdateAM);
((Graphic3d_CView*)(&ACView))->IsDegeneratesPrev = ACView.IsDegenerates; //szvgl: temporary
}
}
//=======================================================================
//function : EndAnimation
//purpose :
//=======================================================================
void OpenGl_GraphicDriver::EndAnimation (const Graphic3d_CView& ACView)
{
const OpenGl_CView *aCView = (const OpenGl_CView *)ACView.ptrView;
if (aCView)
aCView->WS->EndAnimation();
}