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Don't leak global objects in Direct2D code.

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Ensure that all globals are freed on library shutdown by using a module just
to perform this cleanup.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77753 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2014-09-21 01:41:14 +00:00
parent db73e480ef
commit da41c5d9bb
1 changed files with 59 additions and 14 deletions
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73
src/msw/graphicsd2d.cpp
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@@ -48,6 +48,7 @@
#include "wx/dc.h"
#include "wx/dynlib.h"
#include "wx/image.h"
#include "wx/module.h"
#include "wx/msw/private/comptr.h"
#include "wx/private/graphics.h"
#include "wx/stack.h"
@@ -3444,20 +3445,20 @@ private :
IMPLEMENT_DYNAMIC_CLASS(wxD2DRenderer,wxGraphicsRenderer)
static wxScopedPtr<wxD2DRenderer> gs_D2DRenderer;
wxGraphicsRenderer* wxGraphicsRenderer::GetDirect2DRenderer()
{
if (!wxDirect2D::Initialize())
return NULL;
if (!gs_D2DRenderer)
{
gs_D2DRenderer.reset(new wxD2DRenderer());
}
return gs_D2DRenderer.get();
}
static wxD2DRenderer *gs_D2DRenderer = NULL;
wxGraphicsRenderer* wxGraphicsRenderer::GetDirect2DRenderer()
{
if (!wxDirect2D::Initialize())
return NULL;
if (!gs_D2DRenderer)
{
gs_D2DRenderer = new wxD2DRenderer();
}
return gs_D2DRenderer;
}
wxD2DRenderer::wxD2DRenderer()
{
@@ -3715,4 +3716,48 @@ ID2D1Factory* wxGetD2DFactory(wxGraphicsRenderer* renderer)
return static_cast<wxD2DRenderer*>(renderer)->GetD2DFactory();
}
// ----------------------------------------------------------------------------
// Module ensuring all global/singleton objects are destroyed on shutdown.
// ----------------------------------------------------------------------------
class wxDirect2DModule : public wxModule
{
public:
wxDirect2DModule()
{
}
virtual bool OnInit() wxOVERRIDE
{
return true;
}
virtual void OnExit() wxOVERRIDE
{
if ( gs_WICImagingFactory )
{
gs_WICImagingFactory->Release();
gs_WICImagingFactory = NULL;
}
if ( gs_IDWriteFactory )
{
gs_IDWriteFactory->Release();
gs_IDWriteFactory = NULL;
}
if ( gs_D2DRenderer )
{
delete gs_D2DRenderer;
gs_D2DRenderer = NULL;
}
}
private:
wxDECLARE_DYNAMIC_CLASS(wxDirect2DModule);
};
wxIMPLEMENT_DYNAMIC_CLASS(wxDirect2DModule, wxModule);
#endif // wxUSE_GRAPHICS_DIRECT2D