GetBValue

The GetBValue macro retrieves an intensity value for the blue component of a 32-bit red, green, blue (RGB) value.

BYTE GetBValue(
  WORD rgb     // 32-bit RGB value
);
 

Parameters

rgb

Specifies an RGB color value.

Return Values

The return value is the intensity of the blue component of the specified RGB color.

Remarks

The intensity value is in the range 0 through 255.

The GetBValue macro is defined as follows:

#define GetBValue(rgb)   ((BYTE) ((rgb) >> 16)) 
 

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Requires version 1.0 or later.
  Header: Declared in wingdi.h.

See Also

Colors Overview, Color Macros, GetGValue, GetRValue, PALETTEINDEX, PALETTERGB, RGB