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Chapter 8. Understanding Colors and Chan... > Understanding the Bitmap Color Mode

Understanding the Bitmap Color Mode

Bitmap images consist of two colors: black and white. Bitmap images are sometimes referred to as 1-bit images. Think of a bitmap as a light switch with two positions, on and off. Each pixel in a bitmap image is either on or off, black or white. Because they are only 1-bit, the file size of a bitmap image is typically very small. Bitmap image have limited use, but are employed for black and white ink drawings, line art, sketches, and for creating halftone screens.


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