1 /* atlc - arbitrary transmission line calculator, for the analysis of
2 transmission lines are directional couplers.
4 Copyright (C) 2002. Dr. David Kirkby, PhD (G8WRB).
6 This program is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License
8 as published by the Free Software Foundation; either package_version 2
9 of the License, or (at your option) any later package_version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
21 Dr. David Kirkby, e-mail drkirkby at ntlworld.com
39 #include "definitions.h"
41 extern int D, w, h, x, y;
43 void fill_image_vector_with_data(unsigned char *image_vector, int colour_Er1, int colour_Er2, struct transmission_line_properties foo)
45 int i, j, vector_original=0;
46 unsigned char red, green, blue;
51 red=colour_Er1/(256*256); /* Fill in areas with Er1 */
55 /* Put a small border in green. Only one pixel is needed, but
56 I'll put a few more. */
57 if( pow((double)i-(double)D/2.0-(double)BORDER,2.0) +
58 pow((double)j-(double)D/2.0-(double)BORDER,2.0)>=((double)D*(double)D)/4.)
64 /* Fill in the inner conductor */
65 else /* fill in areas of Er1 */
67 red=colour_Er2/(256*256); /* fill in areas with Er2 */
71 image_vector[vector_original]=blue;
72 image_vector[vector_original+1]=green;
73 image_vector[vector_original+2]=red;