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Chapter 23. Flash and SVG Support > Animation on the Web

Animation on the Web

The most common file formats for the Web (discussed in Chapter 22, “Saving Images for the Web”) have their individual strengths and weaknesses, but they all have one common weakness. JPEG, GIF, and PNG are all raster formats. Raster art, defined later in this chapter and discussed in Chapter 18, “Raster Images and Rasterized Objects,” changes appearance as it is altered in size. Flash and SVG formats, on the other hand, rely on vector art, which can be scaled to virtually any size without losing its shape, and can incorporate raster art. Both Flash and SVG are excellent formats for animation. Additionally, the vector formats (SVG, SWF) typically produce smaller file sizes than raster formats (JPEG, GIF, and PNG) for comparable images. Smaller files result in faster downloads and quicker display over Internet connections. However, both Flash and SVG require the newer Web browsers or plug-ins to view the images. SVG is not natively supported at all on Macintosh by Internet Explorer 4 or 5, but can have some functionality with the appropriate SVG plug-in.

Illustrator supports Flash format through the Export command and SVG through the Save As command, and both file formats can be created with Save for Web.


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