The QPixmapCache.Key class can be used for efficient access to the QPixmapCache . 更多...
The QPixmapCache.Key class can be used for efficient access to the QPixmapCache .
使用 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.