hello On Sat, Jan 15, 2022 at 9:28 AM Vincent Torri <vincent.to...@gmail.com> wrote: > > 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.
i've installed wine in archlinux, and ID3D1HwndRenderTarget_GetPixelSize is defined with another macro, i guess, which i don't know the value (no lucj with an fgrep -r in /usr/include/wine so i don't know the declaration of the function with d2d1.h provided with wine Vincent Torri _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
