r112: *** empty log message ***

[ctsim.git] / libctgraphics / circle.cpp

diff --git a/libctgraphics/circle.cpp b/libctgraphics/circle.cpp
deleted file mode 100644 (file)
index 5c74dee..0000000
--- a/libctgraphics/circle.cpp
+++ /dev/null
@@ -1,93 +0,0 @@
-/*****************************************************************************
-**  This is part of the CTSim program
-**  Copyright (C) 1983-2000 Kevin Rosenberg
-**
-**  $Id: circle.cpp,v 1.2 2000/06/19 19:04:05 kevin Exp $
-**  $Log: circle.cpp,v $
-**  Revision 1.2  2000/06/19 19:04:05  kevin
-**  reorganized header files
-**
-**  Revision 1.1  2000/06/19 18:05:03  kevin
-**  initial cvs import
-**
-**  Revision 1.1  2000/06/13 16:20:31  kevin
-**  finished c++ conversions
-**
-**  Revision 1.2  2000/05/24 22:49:01  kevin
-**  Updated SGP: first function X-windows version
-**
-**  Revision 1.1.1.1  2000/04/28 13:02:44  kevin
-**  Initial CVS import for first public release
-**
-**
-**
-**  This program is free software; you can redistribute it and/or modify
-**  it under the terms of the GNU General Public License (version 2) as
-**  published by the Free Software Foundation.
-**
-**  This program is distributed in the hope that it will be useful,
-**  but WITHOUT ANY WARRANTY; without even the implied warranty of
-**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-**  GNU General Public License for more details.
-**
-**  You should have received a copy of the GNU General Public License
-**  along with this program; if not, write to the Free Software
-**  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-******************************************************************************/
-
-/* FUNCTION
- * sgp2_circle - draw circle of radius r at current center             
- */
-
-#include "math.h"
-#include "ctsupport.h"
-#include "sgp.h"
-
-void 
-sgp2_draw_circle (const double r)
-{
-       sgp2_draw_arc (0.0, 7.0, r);
-}
-
-/*==============================================================*/
-/* draw arc around current center.  pass angles and radius     */
-/*==============================================================*/
-
-void 
-sgp2_draw_arc (double start, double stop, const double r)
-{
-       double c, s, theta, angle;
-       float x, y, xp, yp;
-
-       if ((stop-start) > 2 * PI)
-           stop = start + 2 * PI;
-       if ((start-stop) > 2 * PI)
-           stop = start + 2 * PI;
-       while (start >= stop)
-           stop += 2*PI;
-
-       x = r * cos ((double) start);
-       y = r * sin ((double) start);
-       sgp2_move_rel (x, y);          /* move from center to start of arc */
-
-       theta = 5 * PI / 180;
-       c = cos(theta);
-       s = sin(theta);
-
-       for (angle = start; angle < stop - theta; angle += theta) {
-           xp = c * x - s * y;
-           yp = s * x + c * y;
-           sgp2_line_rel (xp - x, yp - y);
-           x = xp; y = yp;
-       }
-
-       c = cos (stop - angle);
-       s = sin (stop - angle);
-       xp = c * x - s * y;
-       yp = s * x + c * y;
-       sgp2_line_rel (xp - x, yp - y);
-
-       x = r * cos ((double) stop);
-       y = r * sin ((double) stop);
-       sgp2_move_rel (-x, -y);         /* move back to center of circle */
-}