On Sat, Jan 15, 2022 at 7:43 AM Nikolay Sivov <nsi...@codeweavers.com> wrote: > > > > On 1/14/22 23:05, Vincent Torri wrote: > > On Fri, Jan 14, 2022 at 6:31 PM Nikolay Sivov <nsi...@codeweavers.com> > > wrote: > >>> on the contrary, CreateBitmap(), DrawBitmap(), BeginDraw(), EndDraw() > >>> or SetTransform() are working with the C API. > >>> > >>> Does someone have an idea of the problem. I have a test program if you > >>> want > >> It's a known thing, C-compatible prototypes would be different for such > >> methods: > >> > >> D2D1_SIZE_U * ID3D1HwndRenderTarget_GetPixelSize(void *this, D2D1_SIZE_U > >> *size). > > but then I have a compilation error because in d2d1.h provided by > > mingw-w64, GetPixelSize() has only 1 argument, not 2. > > Naturally, because headers are not prepared for that. > > If you wanted to use C++ with msvc compatible prototypes, there is > WIDL_EXPLICIT_AGGREGATE_RETURNS for that, > for C definitions it won't work, you'll have to use wine headers, or > more specifically a header widl produces from wine's d2d1.idl. Widl > detects such cases automatically, see is_aggregate_return() in widl sources. > > I think what should be done is WIDL_EXPLICIT_AGGREGATE_RETURNS case for > C definitions patched in for mingw headers.
who is the maintainer of these headers ? Jacek ? Martin ? for now, what i can do is just having my own declarations in my source code, based on wine generated headers thank you Vincent Torri _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
