
6.3 Vector-Drawn Graphics
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simple form of animation. GIF animation uses a “page-flipping” approach, rapidly
displaying a series of different still images to suggest motion. GIF animations are
very popular on the Web because of their low file size. GIF is
a good choice for line art, grayscale, and color images with a
small number of solid colors. It is not appropriate for most
color photos because of its limited color resolution.
PNG—Portable Network Graphic (Pronounced “ping.”) PNG is
a cross-platform, lossless compression format that was cre-
ated as a free replacement for GIF, which required commer-
cial developers to pay licensing fees. PNG ...