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_BLUE32

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Cory Smith edited this page Sep 1, 2022 · 3 revisions

The _BLUE32 function returns the blue component intensity of a 32-bit image or surface color.

Syntax

blue32color& = _BLUE32(rgbaColor&)

Description

  • rgbaColor& is the 32-bit RGBA color value to retrieve the blue component intensity value from.
  • RGBA color values are returned by the _PALETTECOLOR (function), POINT, _RGB, _RGB32, _RGBA or _RGBA32 functions.
  • LONG intensity values returned range from 0 (no intensity, not present) to 255 (full intensity).

Example(s)

  • See the example for POINT.

See Also

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