The GetGValue macro retrieves an intensity value for the green component of a 32-bit red, green, blue (RGB) value.
BYTE GetGValue(
DWORD rgb | // 32-bit RGB value |
); |
Parameters
rgb
Specifies an RGB color value.
Return Values
The return value is the intensity of the green component of the specified RGB color.
Remarks
The intensity value is in the range 0 through 255.
The GetGValue macro is defined as follows:
#define GetGValue(rgb) ((BYTE) (((WORD) (rgb)) >> 8))
See Also