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0027543: Samples - flickering when view is resized in MFC samples

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Define proper window class for OpenGL window within
overridden method CView::PreCreateWindow().
This commit is contained in:
kgv
2016-07-30 19:07:34 +03:00
committed by bugmaster
parent 458e3c0deb
commit d01ed5fdd1
8 changed files with 34 additions and 39 deletions
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21
samples/mfc/standard/04_Viewer3d/src/Viewer3dView.cpp
View File

@@ -111,8 +111,6 @@ CViewer3dView::CViewer3dView()
myXmax (0),
myYmax (0),
myCurZoom (0.0),
myWidth (0),
myHeight (0),
NbActiveLights (2), // There are 2 default active lights
myHlrModeIsOn (Standard_False),
m_Pen (NULL),
@@ -131,10 +129,10 @@ CViewer3dView::~CViewer3dView()
BOOL CViewer3dView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
cs.lpszClass = ::AfxRegisterWndClass(CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_OWNDC, ::LoadCursor(NULL, IDC_ARROW), NULL, NULL);
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
@@ -170,15 +168,7 @@ void CViewer3dView::OnDraw(CDC* /*pDC*/)
{
CViewer3dDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
CRect aRect;
GetWindowRect(aRect);
if(myWidth != aRect.Width() || myHeight != aRect.Height()) {
myWidth = aRect.Width();
myHeight = aRect.Height();
::PostMessage ( GetSafeHwnd () , WM_SIZE , SW_SHOW , myWidth + myHeight*65536 );
}
myView->Redraw();
}
/////////////////////////////////////////////////////////////////////////////
@@ -228,8 +218,9 @@ gp_Pnt ConvertClickToPoint(Standard_Real x, Standard_Real y, Handle(V3d_View) aV
return ResultPoint;
}
void CViewer3dView::OnSize(UINT /*nType*/, int /*cx*/, int /*cy*/)
void CViewer3dView::OnSize(UINT nType, int cx, int cy)
{
CView::OnSize (nType, cx, cy);
if (!myView.IsNull())
myView->MustBeResized();
}

2
samples/mfc/standard/04_Viewer3d/src/Viewer3dView.h
View File

@@ -137,8 +137,6 @@ private:
Standard_Integer myYmin;
Standard_Integer myXmax;
Standard_Integer myYmax;
Standard_Integer myWidth;
Standard_Integer myHeight;
Standard_Integer NbActiveLights;
Standard_Boolean myHlrModeIsOn;