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The GetRValue macro retrieves an intensity value for the red component
of a 32-bit red, green, blue (RGB) value.
BYTE GetRValue(
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DWORD rgb
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// 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 red component of the specified RGB
color.
Remarks
The intensity value is in the range 0 through 255.
The GetRValue macro is defined as follows:
#define GetRValue(rgb) ((BYTE) (rgb))
See Also
GetBValue, GetGValue,
PALETTEINDEX, PALETTERGB,
RGB
| file: /Techref/os/win/api/win32/mac/src/mac00_13.htm, 1KB, , updated: 2000/4/7 11:19, local time: 2024/11/10 04:50,
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