Double-buffering

The double-buffering member functions can be used to prevent the screen from flickering when many objects are manipulated. For each manager view, this feature requires the allocation of a hidden bitmap the size of the view. Depending on the number of views and the color model, double-buffering may consume a large amount of memory.

The member functions that handle double-buffering are:

• IlvManager::isDoubleBuffering

• IlvManager::setDoubleBuffering

• setBackground

Example

This function switches the double-buffering mode of the given view:

static void ToggleDoubleBuffering(IlvManager* manager, IlvView* view) { manager->setDoubleBuffering(view, !manager->isDoubleBuffering(view)); }