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Chapter 4. Animations and Interactions > Vector Graphics Versus Bitmap Graphics

Vector Graphics Versus Bitmap Graphics

Bitmapped graphics can be imported from various sources, ranging from digital photos to user-created graphics developed on drawing applications. As noted in Chapter 1, “Getting to Know Flash Pro,” bitmapped graphics are “weightier” (have larger file sizes) than vector graphics in most cases, and Flash has an option for transforming bitmapped graphics into vector graphics (select Modify, Bitmap, Trace Bitmap). Depending on the settings used to convert a bitmapped graphic into a vector graphic, the weight differs significantly. When you're using digital photographs in JPEG format, a good-quality picture will actually result in a much higher weight for a vector graphic than a bitmapped graphic. To reduce the graphic weight, the original JPEG graphic is distorted when it's transformed into a vector graphic, as shown in Figures 4.3 and 4.4.

Figure 4.3. The original graphic in JPEG format created with a screenshot.



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