There are lots of different graphics formats, two of the more common
on the Web are GIFS and JPEGs.
Notice a difference? |
| JPEG | GIF |
Good GIF, Bad JPEG |
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Magnified 5x |
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- GIFs
- CompuServe introduced the GIF (Graphics Interchange Format)
image before the Web existed.
- GIF images are compressed--they download relatively
quickly.
- GIF images are restricted to 256 colors.
- The GIF format is best suited for drawings, cartoons,
and other images that contain fairly uniform areas of color.
-
Notice the different? |
| JPEG | GIF |
Good JPEG, Bad GIF |
 |
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Magnified 5x |
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- JPEGs
- The JPEG (or JPG) format is designed to efficiently compress images.
- JPEG compresses images more efficiently than GIF,
enabling quicker downloading times for large graphics.
-
- PNG
- PNG (Portable Network Graphics) format incorportes the best of
both GIF and JPEG.
- Amy has been using PNG to put slide presentations on
the Web, e.g., VA
Linux Legal Services
vaweb.valinux.com/Training/Presentations/Working%20with%20Legal
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