GetGValue
The GetGValue
macro retrieves an intensity value for the green component of a 32-bit red,
green, blue (RGB) value.
BYTE GetGValue(
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DWORD rgb |
// 32-bit RGB value
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); |
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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