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Graphics

From its very beginning, the Mac was a digital-graphics powerhouse, and in fact the Mac is still the top choice among designers of digital graphics. Elsewhere in this book you'll find a wealth of information about the types of graphics you can create on a Mac and the tools you can use to make them. Although most multimedia involves graphics at some point, there's not a whole lot one can say about graphics that is specific to multimedia. Here are a few pointers, however.

When preparing graphic materials for multimedia, remember that multimedia is intended for the screen, not the printed page. This means you should use appropriate color settings: The CMYK color space is intended for print; use RGB if your destination is the screen. Nor do you need high resolutions (such as 300 dots per inch) for your graphic materials: The screen is only about 72 dpi, and all the extra resolution simply takes up space and processing power. Also, no matter what program you use to create your graphics, you should save them in a format that multimedia-authoring or presentation programs can use: JPEG, GIF, TIFF, and PICT are the most common, although some programs can also handle native Adobe Photoshop formats.


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