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A GIF is an example of a graphics image file that uses a bitmap. [ 2 ] 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 pixel may store more than two colors, thus using more than one bit per pixel.
A bit array is the most dense storage for "random" bits, that is, where each bit is equally likely to be 0 or 1, and each one is independent. But most data are not random, so it may be possible to store it more compactly. For example, the data of a typical fax image is not random and can be compressed.
Many older graphical user interfaces used bitmaps in their built-in graphics subsystems; [25] for example, the Microsoft Windows and OS/2 platforms' GDI subsystem, where the specific format used is the Windows and OS/2 bitmap file format, usually named with the file extension of .BMP. [26]
A bitmap index is a special kind of database index that uses bitmaps.. Bitmap indexes have traditionally been considered to work well for low-cardinality columns, which have a modest number of distinct values, either absolutely, or relative to the number of records that contain the data.
Bitmap is a type of memory organization or image file format used to store digital images. Bitmap or bit map may also refer to: Bit array, general bit-addressed data structures; Bitmap graphics, also known as raster graphics, an image represented by a generally rectangular grid of pixels (co-sitting points of colors)
The names black-and-white, B&W, monochrome or monochromatic are often used, but can also designate other image types with only one sample per pixel, such as grayscale images. In Photoshop parlance, a binary image is the same as an image in "Bitmap" color mode. [3] [4]
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Generating the raster image data. A raster image processor (RIP) is a component used in a printing system which produces a raster image also known as a bitmap. [1] [2] Such a bitmap is used by a later stage of the printing system to produce the printed output.