| 摘要 |
<p>A control unit includes a touch panel display capable of presenting preview display of multiple pages of document images in a scrollable manner on the display panel. The touch panel display controller includes: a commanded position detecting controller that detects a commanded position relative to one of document images being a reference in the preview image displayed on a display panel; a preview layout direction switching controller that switches the layout direction in the preview image in accordance with the commanded position; and a scroll direction switching controller that switches the scrolling direction in the preview image in accordance with the detected commanded position.</p> |
