Patent ID: 8570346

Claim:
An image display control apparatus comprising: a display control unit configured to display a part of an entire image on a display region on a display apparatus; a switching unit configured to switch a part of an entire image displayed in the display region from a part of an entire first image to a part of an entire second image, the entire first image and the entire second image having a different number of recording pixels, with a display scale which is a ratio of a number of recording pixels of an entire image and a number of pixels on the display apparatus available for displaying the entire image is fixed; a reference point determining unit configured to determine, from the part of the entire first image displayed in the display region, a reference point, based on a side or point farthest from a center of the entire first image in a horizontal direction, and a side or point farthest from the center of the entire first image in a vertical direction, even when the point farthest from the center of the entire first image in a part of the entire first image displayed in the display region is not a point of an upper left of the part of the entire first image; a storage control unit configured to affect control such that relative position information indicating a relative position of the reference point as to the entire first image is stored; and a display part determining unit configured to determine the part of an entire second image displayed in the display region, such that a relative position of a point in a part of an entire second image displayed in the display region which corresponds to the reference point in the first entire image, as to the entire second image, is of a relative position which the relative position information indicates.