glutCopyColormap man page on OpenSuSE

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glutCopyColormap(3GLUT)		     GLUT	       glutCopyColormap(3GLUT)

NAME
       glutCopyColormap	 -  copies  the	 logical colormap for the layer in use
       from a specified window to the current window.

SYNTAX
       void glutCopyColormap(int win);

ARGUMENTS
       win	 The identifier of the window to  copy	the  logical  colormap
		 from.

DESCRIPTION
       glutCopyColormap	 copies	 (lazily  if  possible to promote sharing) the
       logical colormap from a specified window to the current window's	 layer
       in  use. The copy will be from the normal plane to the normal plane; or
       from the overlay to the overlay (never across different layers). Once a
       colormap	 has  been  copied,  avoid  setting cells in the colormap with
       glutSetColor since that will force an actual copy of the colormap if it
       was  previously	copied	by  reference. glutCopyColormap should only be
       called when both the current window and the win window are color	 index
       windows.

EXAMPLE
       Here  is	 an example of how to create two color index GLUT windows with
       their colormaps loaded identically and so that the windows  are	likely
       to share the same colormap:

	 int win1, win2;

	 glutInitDisplayMode(GLUT_INDEX);
	 win1 = glutCreateWindow("first color index win");
	 glutSetColor(0, 0.0, 0.0, 0.0);  /* black */
	 glutSetColor(1, 0.5, 0.5, 0.5);  /* gray */
	 glutSetColor(2, 1.0, 1.0, 1.0);  /* black */
	 glutSetColor(3, 1.0, 0.0, 0.0);  /* red */
	 win2 = glutCreateWindow("second color index win");
	 glutCopyColormap(win1);

SEE ALSO
       glutSetColor, glutGetColor, glutCreateWindow

AUTHOR
       Mark J. Kilgard (mjk@nvidia.com)

GLUT				      3.7	       glutCopyColormap(3GLUT)
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