| 摘要 |
<p>A contact position is obtained from an input device. As an operation mode of a display device, a cleaning corresponding mode which disenables an operation corresponding to cleaning of a screen and using the input device on an object to be displayed on the screen is started. In the case where the operation mode is the cleaning corresponding mode, when the screen is touched, the color of a pixel in the screen corresponding to the contact position is changed to a predetermined color. When the number of pixels whose color is changed to the predetermined color becomes to a predetermined number or more, the cleaning corresponding mode is finished.</p> |
