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Last modified on 3/15/2013 1:27 PM by User.




A bitmaps storing a pixel data of predefined dimensions (x,y). A bitmap describes what components each pixel carries, as well as how these components laid out in memory (byte array) to access them.

Bitmaps should contain a following information:

  • color component types:
    • RGB color channels
    • RGBA
    • Intensity (grayscale, alpha channel etc)
    • Grayscale intensity and Aplha


  • component ordering (if there are more than one).
  • A component values can be stored in multiple ways:
    • 1, 8, 16, 32 bits per component, representing an unsigned integer values
    • float
    • compressed formats, like R5G5B6? etc
  • scanline stride (a number of bytes between each scan line)

There are numerous ways how one could encode pixel data, but initially we want to support most commonly used ones.