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gl_trisetcolorlookup(3)        Svgalib User Manual	 gl_trisetcolorlookup(3)

NAME
     gl_trisetcolorlookup,  gl_trigetcolorlookup  - manages a color lookup table
     for shadowing

SYNOPSIS
     #include <triangle.h>

     void gl_trisetcolorlookup(int i, long color);
     long gl_trigetcolorlookup(int i);

DESCRIPTION
     gl_trisetcolorlookup sets the color of an index i in the table used in more
     than 256 color modes to interpolate tables.

     Note that it is your responsibility to set all the intermediate color  val-
     ues.

     You  can  use  this function to create the index table, but remember not to
     let i go over 4096.

     gl_trigetcolorlookup retrieves a previously set value from the table.

     Beware, these functions are not a direct part of the svgalib library.   In-
     stead  their  source  is part of svgalib and can be found in the threeDkit/
     subdirectory of the original svgalib distribution. However, it is	not  in-
     stalled  in the system by default, s.t. it is unclear where you can find it
     if your svgalib was installed by some linux distribution.

     In case of any such problem, simply get an svgalib  distribution  from  the
     net. Yo don't need to install it. Just make in the threeDkit/ subdirectory.
     As  of this writing, svgalib-1.2.12.tar.gz is the latest version and can be
     retrieved by  ftp	from  sunsite.unc.edu  at  /pub/Linux/libs/graphics  and
     tsx-11.mit.edu  at /pub/linux/sources/libs which will most probably be mir-
     rored by a site close to you.

     The functions are defined in the tri.o and triangl.o files (or their  resp.
     sources) which you must link to your program.

SEE ALSO
     vgagl(7),	 svgalib(7),  threedkit(7),  gl_striangle(3),  gl_swtriangle(3),
     gl_triangle(3),	gl_trisetdrawpoint(3),	  gl_wtriangle(3),     plane(6),
     wrapdemo(6).

AUTHOR
     This  manual  page  was  edited  by Michael Weller <eowmob@exp-math.uni-es-
     sen.de>. The demos, the initial documentation and the whole threedkit stuff
     was done by Paul Sheer <psheer@icon.co.za>.

     Paper mail:
	    Paul Sheer
	    P O BOX 890507
	    Lyndhurst
	    Johannesburg 2106
	    South Africa

     Donations (by check or postal order) will be appreciated and will encourage
     further development of this software. However this is strictly on a  volun-
     tary  basis  where this software falls under the GNU LIBRARY GENERAL PUBLIC
     LICENSE.

Svgalib (>= 1.2.11)		   2 Aug 1997		 gl_trisetcolorlookup(3)

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