int Surface::setFormat(State & state, SDL_Surface * surface){
PixelFormat * interfacePixelFormat = state.getInterface<PixelFormat>("LuaSDL_PixelFormat");
SDL_PixelFormat * format = interfacePixelFormat->get(1);
if (format){
surface->format->format = format->format;
surface->format->palette = format->palette;
surface->format->BitsPerPixel = format->BitsPerPixel;
surface->format->BytesPerPixel = format->BytesPerPixel;
surface->format->Rmask = format->Rmask;
surface->format->Gmask = format->Gmask;
surface->format->Bmask = format->Bmask;
surface->format->Amask = format->Amask;
surface->format->Rloss = format->Rloss;
surface->format->Gloss = format->Gloss;
surface->format->Bloss = format->Bloss;
surface->format->Aloss = format->Aloss;
surface->format->Rshift = format->Rshift;
surface->format->Gshift = format->Gshift;
surface->format->Bshift = format->Bshift;
surface->format->Ashift = format->Ashift;
}
return 0;
}
int Surface::convert(State & state, SDL_Surface * surface){
Stack * stack = state.stack;
PixelFormat * interfacePixelFormat = state.getInterface<PixelFormat>("LuaSDL_PixelFormat");
Surface * interfaceSurface = state.getInterface<Surface>("LuaSDL_Surface");
Uint32 flags;
if (stack->is<LUA_TNUMBER>(2)){
flags = stack->to<int>(2);
}else{
flags = 0;
}
SDL_PixelFormat * pf = interfacePixelFormat->get(1);
if (pf){
SDL_Surface * newSurface = SDL_ConvertSurface(surface, pf, flags);
if (newSurface){
interfaceSurface->push(newSurface, true);
return 1;
}
}
return 0;
}