int Window::updateRects(State & state, SDL_Window * window){
Stack * stack = state.stack;
Rect * interfaceRect = state.getInterface<Rect>("LuaSDL_Rect");
if (stack->is<LUA_TTABLE>(1)){
int count = stack->objLen(1);
int totalCount = 0;
SDL_Rect * rects = new SDL_Rect[count];
for (int i = 0; i < count; i++){
stack->getField(i + 1, 1);
SDL_Rect * r = interfaceRect->get(-1);
if (r){
rects[totalCount] = *r;
totalCount++;
}
}
int result = SDL_UpdateWindowSurfaceRects(window, rects, totalCount);
delete[] rects;
stack->push<bool>(result == 0);
return 1;
}
return 0;
}
void ZWindow::Update(const ZRect * rects,int numrects)
{
if (!rects)
{
SDL_UpdateWindowSurface(m_win);
}
else
{
SDL_UpdateWindowSurfaceRects(m_win,rects,numrects);
}
}
void
SDL_UpdateRects(SDL_Surface * screen, int numrects, SDL_Rect * rects)
{
int i;
if (screen == SDL_ShadowSurface) {
for (i = 0; i < numrects; ++i) {
SDL_LowerBlit(SDL_ShadowSurface, &rects[i], SDL_VideoSurface,
&rects[i]);
}
/* Fall through to video surface update */
screen = SDL_VideoSurface;
}
if (screen == SDL_VideoSurface) {
if (SDL_VideoViewport.x || SDL_VideoViewport.y) {
SDL_Rect *stackrects = SDL_stack_alloc(SDL_Rect, numrects);
SDL_Rect *stackrect;
const SDL_Rect *rect;
/* Offset all the rectangles before updating */
for (i = 0; i < numrects; ++i) {
rect = &rects[i];
stackrect = &stackrects[i];
stackrect->x = SDL_VideoViewport.x + rect->x;
stackrect->y = SDL_VideoViewport.y + rect->y;
stackrect->w = rect->w;
stackrect->h = rect->h;
}
SDL_UpdateWindowSurfaceRects(SDL_VideoWindow, stackrects, numrects);
SDL_stack_free(stackrects);
} else {
SDL_UpdateWindowSurfaceRects(SDL_VideoWindow, rects, numrects);
}
}
}
