PORTABLE TERMINAL DEVICE, LUMINANCE CONTROL METHOD, AND LUMINANCE CONTROL PROGRAM

摘要

A portable terminal apparatus receives an operation instructing that an image displayed on a screen be scrolled, and moves the image in the instructed direction. The apparatus comprising: one or more memories, and circuitry. The circuitry which, in operation,: judges whether or not a display image at an end of scrolling is included in a region of the screen during scrolling and determines, to be a control target region, a region judged not to include the display image at the end of the scrolling of the region of the screen; and performs control of lowering brightness of the control target region on the display image during scrolling.

主权项

1. A portable terminal apparatus that receives an operation to instruct scrolling of an image displayed on a screen, that moves the image toward an instructed direction and that displays the image, the apparatus comprising:
one or more memories; and circuitry which, in operation:
judges whether or not a display image at an end of scrolling is included in a region of the screen during scrolling and determines, to be a control target region, a region judged not to include the display image at the end of the scrolling of the region of the screen; andperforms control of lowering brightness of the control target region on the display image during scrolling.