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Make wxGraphicsContext::CreateFromUnknownDC() operational also when C++ RTTI is not used

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Use wxDynamicCast() to cast to the various wxDC types if wxNO_RTTI is defined.
This commit is contained in:
Artur Wieczorek
2017-01-11 20:31:11 +01:00
parent 587067bc68
commit e5b5049cc3
1 changed files with 19 additions and 1 deletions
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20
src/common/graphcmn.cpp
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@@ -946,7 +946,25 @@ wxGraphicsContext* wxGraphicsContext::CreateFromUnknownDC(const wxDC& dc)
return Create(*mfdc);
#endif
#endif
#endif // !wxNO_RTTI
#else // wxNO_RTTI
if ( const wxWindowDC *windc = wxDynamicCast(&dc, wxWindowDC) )
return Create(*windc);
if ( const wxMemoryDC *memdc = wxDynamicCast(&dc, wxMemoryDC) )
return Create(*memdc);
#if wxUSE_PRINTING_ARCHITECTURE
if ( const wxPrinterDC *printdc = wxDynamicCast(&dc, wxPrinterDC) )
return Create(*printdc);
#endif
#ifdef __WXMSW__
#if wxUSE_ENH_METAFILE
if ( const wxEnhMetaFileDC *mfdc = wxDynamicCast(&dc, wxEnhMetaFileDC) )
return Create(*mfdc);
#endif
#endif
#endif // !wxNO_RTTI/wxNO_RTTI
return NULL;
}