//
// (c) Copyright 1993, Silicon Graphics, Inc.
// ALL RIGHTS RESERVED
// Permission to use, copy, modify, and distribute this software for
// any purpose and without fee is hereby granted, provided that the above
// copyright notice appear in all copies and that both the copyright notice
// and this permission notice appear in supporting documentation, and that
// the name of Silicon Graphics, Inc. not be used in advertising
// or publicity pertaining to distribution of the software without specific,
// written prior permission.
//
// THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
// AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
// INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
// FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
// GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
// SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
// KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
// LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
// THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
// ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
// POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
//
// US Government Users Restricted Rights
// Use, duplication, or disclosure by the Government is subject to
// restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
// (c)(1)(ii) of the Rights in Technical Data and Computer Software
// clause at DFARS 252.227-7013 and/or in similar or successor
// clauses in the FAR or the DOD or NASA FAR Supplement.
// Unpublished-- rights reserved under the copyright laws of the
// United States.  Contractor/manufacturer is Silicon Graphics,
// Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
//
// OpenGL(TM) is a trademark of Silicon Graphics, Inc.
//
unit I;

interface

procedure   draw_i;

implementation

uses
    MGLGl;

const
    i_data  : array[0..23,0..1] of float =
        (
            ( 0.548767, 9.414791 ),
            ( 2.795284, 9.757771 ),
            ( 1.457663, 9.311897 ),
            ( 2.503751, 9.157557 ),
            ( 1.714898, 8.986067 ),
            ( 2.109325, 7.785638 ),
            ( 1.286174, 7.013934 ),
            ( 1.800643, 6.070740 ),
            ( 0.994641, 5.161843 ),
            ( 1.783494, 4.767417 ),
            ( 0.943194, 4.167202 ),
            ( 1.852090, 4.304394 ),
            ( 1.063237, 3.549839 ),
            ( 2.023580, 3.978564 ),
            ( 1.406217, 3.172562 ),
            ( 2.315113, 3.875670 ),
            ( 2.006431, 3.018221 ),
            ( 2.812433, 3.944266 ),
            ( 2.726688, 3.429796 ),
            ( 3.258307, 4.132905 ),

            ( 1.989282, 10.923902 ),
            ( 2.778135, 12.295820 ),
            ( 2.966774, 11.678456 ),
            ( 3.687031, 12.947481 )
        );

procedure   draw_i;
begin
    glBegin(GL_TRIANGLE_STRIP);
    glVertex2fv(@i_data[0]);
    glVertex2fv(@i_data[1]);
    glVertex2fv(@i_data[2]);
    glVertex2fv(@i_data[3]);
    glVertex2fv(@i_data[4]);
    glVertex2fv(@i_data[5]);
    glVertex2fv(@i_data[6]);
    glVertex2fv(@i_data[7]);
    glVertex2fv(@i_data[8]);
    glVertex2fv(@i_data[9]);
    glVertex2fv(@i_data[10]);
    glVertex2fv(@i_data[11]);
    glVertex2fv(@i_data[12]);
    glVertex2fv(@i_data[13]);
    glVertex2fv(@i_data[14]);
    glVertex2fv(@i_data[15]);
    glVertex2fv(@i_data[16]);
    glVertex2fv(@i_data[17]);
    glVertex2fv(@i_data[18]);
    glVertex2fv(@i_data[19]);
    glEnd();

    glBegin(GL_TRIANGLE_STRIP);
    glVertex2fv(@i_data[20]);
    glVertex2fv(@i_data[21]);
    glVertex2fv(@i_data[22]);
    glVertex2fv(@i_data[23]);
    glEnd();

    glBegin(GL_LINE_STRIP);
    glVertex2fv(@i_data[0]);
    glVertex2fv(@i_data[2]);
    glVertex2fv(@i_data[4]);
    glVertex2fv(@i_data[6]);
    glVertex2fv(@i_data[8]);
    glVertex2fv(@i_data[10]);
    glVertex2fv(@i_data[12]);
    glVertex2fv(@i_data[14]);
    glVertex2fv(@i_data[16]);
    glVertex2fv(@i_data[18]);
    glVertex2fv(@i_data[19]);
    glVertex2fv(@i_data[17]);
    glVertex2fv(@i_data[15]);
    glVertex2fv(@i_data[13]);
    glVertex2fv(@i_data[11]);
    glVertex2fv(@i_data[9]);
    glVertex2fv(@i_data[7]);
    glVertex2fv(@i_data[5]);
    glVertex2fv(@i_data[3]);
    glVertex2fv(@i_data[1]);
    glEnd();

    glBegin(GL_LINE_STRIP);
    glVertex2fv(@i_data[20]);
    glVertex2fv(@i_data[22]);
    glVertex2fv(@i_data[23]);
    glVertex2fv(@i_data[21]);
    glEnd();
end;

end.
