You can enhance or customize bitmaps using special effects.
Effects filters are small applications that execute a preset series of commands to produce an effect on a bitmap. They automatically calculate the values and characteristics of every pixel in a bitmap and then alter the pixels according to new values. For example, if you apply the Motion Blur effect to a bitmap, the effect analyzes all pixel values then "smears" the values in a specified direction, creating the illusion of motion.
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