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Warn if wxCairoContext(wxPrinterDC) ctor is not implemented

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Use an explicit #warning to explain the problem. This is more
informative and avoids errors when building with -Werror (but also
-Wno-error=cpp).
This commit is contained in:
Vadim Zeitlin
2020-07-06 12:53:07 +02:00
parent 20e385e7bb
commit e7bb37436a
1 changed files with 4 additions and 3 deletions
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7
src/generic/graphicc.cpp
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@@ -1917,9 +1917,7 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC&
// Since we switched from MM_ANISOTROPIC to MM_TEXT mapping mode // Since we switched from MM_ANISOTROPIC to MM_TEXT mapping mode
// we have to apply rescaled DC's device origin to Cairo context. // we have to apply rescaled DC's device origin to Cairo context.
ApplyTransformFromDC(dc, Apply_scaled_dev_origin); ApplyTransformFromDC(dc, Apply_scaled_dev_origin);
#endif // __WXMSW__ #elif defined(__WXGTK20__)
#ifdef __WXGTK20__
const wxDCImpl *impl = dc.GetImpl(); const wxDCImpl *impl = dc.GetImpl();
cairo_t* cr = static_cast<cairo_t*>(impl->GetCairoContext()); cairo_t* cr = static_cast<cairo_t*>(impl->GetCairoContext());
Init(cr ? cairo_reference(cr) : NULL); Init(cr ? cairo_reference(cr) : NULL);
@@ -1930,6 +1928,9 @@ wxCairoContext::wxCairoContext( wxGraphicsRenderer* renderer, const wxPrinterDC&
// Transfer transformation settings from source DC to Cairo context. // Transfer transformation settings from source DC to Cairo context.
ApplyTransformFromDC(dc); ApplyTransformFromDC(dc);
#else
#warning "Constructing wxCairoContext from wxPrinterDC not implemented."
wxUnusedVar(dc);
#endif #endif
} }
#endif #endif