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Programming Windows®, Fifth Edition by Charles Petzold

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Chapter 14. Bitmaps and Bitblts

A bitmap is a two-dimensional rectangular array of bits that correspond to the pixels of an image. When real-world images are captured in bitmaps, the image is divided into a grid and the pixel is the sampling unit. The value of each pixel in the bitmap indicates the average color of the image within a unit of this grid. Monochrome bitmaps require only one bit per pixel; gray shade or color bitmaps require multiple bits per pixel.

Bitmaps represent one of two methods for storing pictorial information in a Windows program. The other form of stored pictorial information is the metafile, which I'll cover in Chapter 18. A metafile is a description of a picture rather than a digital representation of it.

As I'll discuss ...

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