GetRValue
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4/8/2010
This macro retrieves an intensity value for the red component of a 32-bit RGB value.
Syntax
BYTE GetRValue(
DWORD rgb
);
Parameters
- rgb
Specifies an RGB color value.
Return Value
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))
Requirements
| Header | windows.h |
| Windows Embedded CE | Windows CE 1.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |