RGB

  • Article

This macro selects an RGB color based on the specified color values and the capabilities of the output device.

COLORREF RGB( 
  BYTE byRed, 
  BYTE byGreen, 
  BYTE byBlue
);

Parameters

  • byRed
    Specifies the intensity of the red color.
  • byGreen
    Specifies the intensity of the green color.
  • byBlue
    Specifies the intensity of the blue color.

Return Values

The return value is the resultant RGB color.

Remarks

The intensity for each argument is in the range 0 through 255. If all three intensities are zero, the result is black. If all three intensities are 255, the result is white.

For information about using color values in a color palette, see the description of the PALETTERGB macro.

The RGB macro is defined as follows.

#define RGB(r, g ,b)  ((DWORD) (((BYTE) (r) | \ 
    ((WORD) (g) << 8)) | \ 
    (((DWORD) (BYTE) (b)) << 16)))

Requirements

OS Versions: Windows CE 1.0 and later.
Header: Windows.h.

See Also

PALETTERGB | GDI Macros

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.