Patent ID: 8982153
Filing Date: 2015-03-17
Classification: G06F,G06T

Abstract:
1. A display control apparatus comprising: a position input unit configured to input a position on a screen of a display device; a rendering unit configured to render a graphic according to a locus of the input position input by said position input unit; a determination unit configured to determine whether a predetermined region having, as a reference, a start position of one input performed by said position input unit overlaps a region preset for the graphic already rendered by said rendering unit by not less than a predetermined amount; and a control unit configured to control, when said determination unit determines that the predetermined region having the start position as a reference does not overlap the preset region by not less than the predetermined amount, to cause said rendering unit to render a graphic according to the locus of the input position from the start position of the one input, and to control, when said determination unit determines that the predetermined region having the start position as a reference overlaps the preset region by not less than the predetermined amount, to remove the graphic already rendered by said rendering unit according to the locus of the input position from the start position of the one input.