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The book follows the above, the last time a brief introduction to the common YUV sampling format, for the final display, more is the use of RGB mode, this issue will take you to see the common RGB format. The color presented in front of us by any computer equipment and intelligent terminal is actually a different combination of red, green and blue. RGB is actually a combination of three primary colors, and different formats are essentially different storage and representation methods for each monochrome.

RGB565:

16 bit for one pixel, 5 bit for R (red), 6 bit for G (green), and 5 bit for B (blue), arranged from high to low as follows:

R R R R R G G G G G G B B B B B

RGB555:

A pixel is represented by 16 bit, of which the highest bit is not used. R (red), G (green) and B (blue) are all represented by 5 bit, arranged from high to low as follows:

X R R R R R G G G G G B B B B B

RGB24:

One pixel is represented by 24 bit, and R (red), G (green) and B (blue) are all represented by 8 bit, arranged from high to low as follows:

R R R R R R R R G G G G G G G G B B B B B B B B

RGB32 (RGB32):

One pixel is represented by 32 bit, R (red), G (green), B (blue) are all represented by 8 bit, and then 8 bit are used to represent alpha (transparency), arranged from high to low as follows:

B B B B B B B B G G G G G G G G R R R R R R R R An An An An An An An A

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