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))
See Also