Manipulating a display window within an image and providing enhanced display features at the main image boundaries

An image display control method, comprising the steps of:

• displaying on a screen a partial area image indicating a given area within an image to be displayed;
• moving the given area in response to a predetermined operation performed by a user;
• and
• determining whether or not the given area is located at an end portion of the image to be displayed,
• wherein the step of displaying a partial area image comprises, when the given area is located at the end portion of the image to be displayed, in response to the predetermined operation performed by the user, instead of moving the given area, changing a display magnification of the partial area image displayed on the screen and displaying the partial area image on the screen.

A computer including a processor executing a computer program, which causes the computer to function as:

• display unit operating to display on a screen a partial area image indicating a given area within an image to be displayed;
• display area moving unit operating to move the given area in response to a predetermined operation performed by a user;
• and
• determination unit operating to determine whether or not the given area is located at an end portion of the image to be displayed;
• and
• wherein, when the given area is located at the end portion of the image to be displayed, in response to the predetermined operation performed by the user, instead of the display area moving unit moving the given area, a display magnification of the partial area image displayed on the screen is changed and the partial area image on the screen is displayed.

A non-transitory, computer readable information storage medium having stored thereon a program for causing a computer to function as:

• display unit operating to display on a screen a partial area image indicating a given area within an image to be displayed;
• display area moving unit operating to move the given area in response to a predetermined operation performed by a user;
• and
• determination unit operating to determine whether or not the given area is located at an end portion of the image to be displayed;
• and
• wherein, when the given area is located at the end portion of the image to be displayed, in response to the predetermined operation performed by the user, instead of the display area moving unit moving the given area, a display magnification of the partial area image displayed on the screen is changed and the partial area image on the screen is displayed.