| 摘要 |
<p>An image file format comprises a plurality of images (13, 14, 15, 16) and rules (12) for selecting an image for display so that it is appropriate for the display device of a user agent (2). The file may also include rules for selecting images on other grounds and for modifying selected images. The selection of images may be performed at an origin server (2), a gateway (4) or a user agent (2).</p> |
