FIELD: information technology.
SUBSTANCE: invention relates to means of controlling an information processing device, which includes a touch panel and a display device. Detected is a touch operation performed by the user on the touch panel. Operating mode is switched over to the zoom mode in order to increase or decrease the image data displayed on the display device using the detected predetermined touch operation. Controlled is displaying the image data, if the drag operation performed on the touch panel is detected during operation in the zoom mode, in order to increase displaying the image data if a certain position of the image data is fixed as a reference point, if the direction of movement of the drag operation is a specific direction, which coincides with a preset orientation. Reduced is displaying the image data if a certain position of the image data is fixed as a reference point, if the direction of movement of the drag operation is a direction, which does not coincide with a preset orientation.
EFFECT: technical result is improvement of accuracy of setting the size of the changed image.
8 cl, 8 dwg
