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Chapter 16. Controlling Image Output > Preparing Clipart for the Web

Preparing Clipart for the Web

Clipart is defined as non-photographic image information, with a lot of solid-color areas. For this process the GIF or PNG8 formats would serve best. The GIF (Graphics Interchange File) and PNG (Portable Network Graphics) formats use an RLE (Run Length Encoding) scheme. When the file is saved areas of solid color are compressed into small units and then restored to the file when it is opened. Since the GIF format has been around for a long time, using it almost guarantees the image will open on a visitor's browser. The PNG format is newer, and has some new encoding schemes that make even smaller files, but it is not supported by all Web browsers.


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