_BLUE32

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, POINT, _RGB, _RGB32, _RGBA or _RGBA32 functions.
• LONG intensity values returned range from 0 (no intensity, not present) to 255 (full intensity).

Examples

• See the example for POINT.

See also

• _RED32, _GREEN32
• _RGB32, _BLUE

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