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 W, H, a, b, c, d, w, h;
42 void fill_image_vector_with_data(unsigned char *image_vector, int colour_Er1, int colour_Er2, struct transmission_line_properties foo)
44 unsigned char red, green, blue;
45 int i, j, vector_original=0;
50 red=colour_Er1/(256*256); /* Fill in areas with Er1 */
54 /* Put a small border in green. Only one pixel is needed, but
55 I'll put a few more. */
57 if( (i<BORDER) || (i>=W-BORDER) || (j<BORDER) || (j>=H-BORDER))
63 /* Fill in the dielectric */
64 if( (i>=a+BORDER) && (i<a+d+BORDER) && (j<h+BORDER) && (j>=BORDER))
66 red=colour_Er2/(256*256); /* fill in areas with Er2 */
70 if( (i>=b+BORDER) && (i<b+w+BORDER) && (j<h+c+BORDER) && (j>=h+BORDER)) /* conductor */
76 image_vector[vector_original]=blue;
77 image_vector[vector_original+1]=green;
78 image_vector[vector_original+2]=red;