An abstraction used by QImageDecoder . ... List of all member functions. virtual void  changed  ( const QRect & )  . virtual void  end  ()  . ... A QImageConsumer consumes information about changes to the QImage maintained by a QImageDecoder. ... See also: QImageDecoder . Called when the given area of the image has changed. Called when all data of all frames has been decoded and revealed as changed (). Called when a frame of an animated image has ended and been revealed as changed (). ...