Code: Select all
wxString x1 = L"c:\\tmp\\1.png";
wxString x2 = L"c:\\tmp\\2.bmp";
wxImage im;
im.LoadFile(x1, wxBITMAP_TYPE_PNG);
im.Replace(im.GetMaskRed(), im.GetMaskGreen(), im.GetMaskBlue(), 255, 255, 255);
im.SaveFile(x2, wxBITMAP_TYPE_BMP);