Bitmap
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In computing, a bitmap is a mapping from some domain (for example, a range of integers) to bits. It is also called a bit array or bitmap index.
As a noun, the term "bitmap" is very often used to refer to a particular bitmapping application: the pix-map, which refers to a map of pixels, where each one may store more than two colors, thus using more than one bit per pixel. In such a case, the domain in question is the array of pixels which constitute a digital graphic output device (a screen or monitor). In some contexts, the term bitmap implies one bit per pixel, while pixmap is used for images with multiple bits per pixel.
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See also
- Free space bitmap, an array of bits that tracks which disk storage blocks are in-use
- Raster graphics
- Raster scan
- Rasterization
- Sprite (computer graphics)
- Tilemap
- Voxels
- Vector graphics
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