+// Creates a surface that will use wxImage's pixel data (RGB only)
+static wxIDirectFBSurfacePtr CreateSurfaceForImage(const wxImage& image)
+{
+ wxCHECK_MSG( image.Ok(), NULL, _T("invalid image") );
+ // FIXME_DFB: implement alpha handling by merging alpha buffer with RGB
+ // into a temporary RGBA surface
+ wxCHECK_MSG( !image.HasAlpha(), NULL, _T("alpha channel not supported") );
+
+ DFBSurfaceDescription desc;
+ desc.flags = (DFBSurfaceDescriptionFlags)
+ (DSDESC_CAPS | DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT |
+ DSDESC_PREALLOCATED);
+ desc.caps = DSCAPS_NONE;
+ desc.width = image.GetWidth();
+ desc.height = image.GetHeight();
+ desc.pixelformat = DSPF_RGB24;
+ desc.preallocated[0].data = image.GetData();
+ desc.preallocated[0].pitch = 3 * desc.width;
+
+ return wxIDirectFB::Get()->CreateSurface(&desc);
+}