| 摘要 |
<p>An electronic publication viewer (1000) includes a display target specifying unit (1100) that specifies a display target page and the position and size of the display target region, a page structure data obtaining unit (1200) that obtains page structure data corresponding to the display target page, a rendering unit (1300) that generates the display image data corresponding to the position and size of the display target region, a display image data caching unit (1400) that caches the display image data, and a display control unit (1500) that causes the display image data obtained from the rendering unit (1300) or the display image data caching unit (1400) in a position of a display unit superimposed on the display target region.</p> |
