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Scalable Vector Graphics and bitmap rendering using Flex

Mar 18, 2009, 07:32 (0 Talkback[s])
(Other stories by Sandeep Malik)

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"In the world of graphics, two major rendering technologies have dominated the scene. The first and foremost, bitmap rendering, has been around for decades, and technologies and tools revolving around it have greatly matured. Images can be displayed in many formats, namely, jpeg, png, bmp, and so on. Designers, with the help of advanced tools, are capable of generating impressive and sophisticated imagery to be used on Web sites, giving them a fresh look. Tools like Adobe® Photoshop and Image Editor have a long list of advanced algorithms that can be applied to a bitmap of an image and are capable of changing the entire look and feel of it. This has been adopted well, and bitmap images have now become an important part of any Web site design. However, as it stands now, the bitmap rendering suffers from two important drawbacks: First, it is a static image with no motion to it. (Note that we can support animations using the gif format, but most of these animations are predefined and generally do not accommodate user interaction.) Second, they are suited to a particular resolution, or at best a set of resolutions, for which the beauty of an image remains intact. Once the resolution is changed, you start seeing those ugly rectangles (pixel squares), which deteriorate the image quality and take away its luster. Therefore, bitmaps, though capable of generating fantastic images, at best serve a particular domain of interest, where things are static and screen resolutions are fixed."

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