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
38 #include "definitions.h"
40 extern int d, W, H, x, y;
42 void fill_image_vector_with_data(unsigned char *image_vector, int colour_Er1, int colour_Er2, struct transmission_line_properties not_used)
44 int i, j, vector_original=0;
45 unsigned char red, green, blue;
50 if( (i<BORDER) || (i>=W-BORDER) || (j<BORDER) || (j>=H-BORDER))
56 else if( pow((double)i-(double)W/2.0-(double) x,2.0) + pow((double)j-(double)H/2.0-(double)y,2.0)<=((double)d*(double)d)/4.0)
64 red=colour_Er1/(256*256); /* Fill in areas with Er1 */
68 image_vector[vector_original]=blue;
69 image_vector[vector_original+1]=green;
70 image_vector[vector_original+2]=red;