Patent ID: 8209626
Filing Date: 2012-06-26
Classification: G01C,G09B

Abstract:
1. A system having a display section, for displaying images on a display screen by computer processing, the system comprising: a plurality of first buffers each storing a plurality of pieces of image information generated by one or more applications, the image information including drawing information and transparency information of points on the display screen of the display section; a drawing section for drawing a multilayer image on the display screen by alphablending the image information in each of the first buffers according to the respective transparency information and by superposing the image information; a storage section for storing a threshold transparency of each layer; an input section for receiving positional information indicative of a position on the display screen from a user as a process request; and a destination determining section for (1) determining, in response to reception of the positional information, whether the transparency information at the position indicated by the positional information and in the first buffer corresponding to each of the plurality of layers is larger than the corresponding threshold value of each layer, and (2) determining a destination of the process request, wherein the destination of the process request is determined to be (i) an application related to a layer for which a positive determination that the transparency information at the position indicated by the positional information is larger than the corresponding threshold value is made or (ii) an object contained in the determined application and located in said position on the display screen.