Patent ID: 9449575
Filing Date: 2016-09-20
CPC Classification: G06F,G06T,G09G

Claim Text:
1. A method for screen output control, the method comprising: detecting, by a mobile terminal including a mobile display area, a connection with a screen output device including a display area separate from the mobile display area; allocating, by the mobile terminal, window buffers of the mobile terminal to the screen output device; locking one or more sections of a screen buffer in response to the detection of the connection of the screen output device, the screen buffer comprising a combined screen buffer configured to output data to the mobile display area and the display area of the screen output device; writing, according to a rendering of an application running on the mobile terminal, one or more windows, which form a screen to be output to the screen output device, to the window buffers; compositing the one or more windows written to the window buffers; copying information representing the composited one or more windows to the screen buffer; and outputting the information copied to the screen buffer to the display area of the screen output device.