Key Class
class QPixmapCache::KeyThe QPixmapCache::Key class can be used for efficient access to the QPixmapCache. More...
Public Functions
Detailed Description
Use QPixmapCache::insert() to receive an instance of Key generated by the pixmap cache. You can store the key in your own objects for a very efficient one-to-one object-to-pixmap mapping.
Member Function Documentation
Key::Key()
Constructs an empty Key object.
Key::~Key()
Destroys the key.
bool Key::isValid() const
Returns true if there is a cached pixmap associated with this key. Otherwise, if pixmap was flushed, the key is no longer valid.
void Key::swap(Key &other)
Swaps this key with other. This operation is very fast and never fails.
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