20 lines
752 B
C
20 lines
752 B
C
// 18 december 2015
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#include "uipriv_windows.h"
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#include "area.h"
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// I love COM interfaces that actually only work on C++
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// ID2D1RenderTarget::GetSize is defined as returninig a structure
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// with stdcall, this means it's an extra last argument
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// the compiler tries to return it directly, and crashes
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// I originally thought this was a bug in MinGW-w64, but it turns out it also affects MSVC! https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64384
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// So we have to work around it.
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// TODO is the return type correct? or should we just use C++?
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void renderTargetGetSize(ID2D1RenderTarget *rt, D2D1_SIZE_F *size)
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{
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typedef void (STDMETHODCALLTYPE *fptr)(ID2D1RenderTarget *, D2D1_SIZE_F *);
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fptr f;
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f = (fptr) (rt->lpVtbl->GetSize);
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(*f)(rt, size);
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}
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