NAME

mapcolor − changes a color map entry

SPECIFICATION

C
mapcolor(color, red, green, blue)
Colorindex color;
short red, green, blue;

FORTRAN
subroutine mapcol(color, red, green, blue)
integer*4 color, red, green, blue

Pascal
procedure mapcolor(color: longint; red, green,
blue: longint);

DESCRIPTION

mapcolor changes a single color map entry to the specified RGB value.  Its arguments include a color map index (color) and eight bits each of red, green, and blue intensities.  Pixels written with color display with the specified RGB (red, green, blue) intensities. 

In multimap mode, only the current color map can be updated with mapcolor.  The system ignores invalid indices. 

SEE ALSO

multimap, onemap, setmap

NOTE

This routine is available only in immediate mode. 

Version 2.5  —  April 22, 1987