Imported Upstream version 4.6.0
[debian/atlc] / src / non_gui / fill_circ_in_circ.c
1 /* atlc - arbitrary transmission line calculator, for the analysis of
2 transmission lines are directional couplers. 
3
4 Copyright (C) 2002. Dr. David Kirkby, PhD (G8WRB).
5
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.
10
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.
15
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,
19 USA.
20
21 Dr. David Kirkby, e-mail drkirkby at ntlworld.com 
22
23 */
24 #include "config.h"
25
26 #ifdef HAVE_STRING_H
27 #include <string.h>
28 #endif
29
30 #ifdef HAVE_STRINGS_H
31 #include <strings.h>
32 #endif
33
34 #ifdef HAVE_STDLIB_H
35 #include <stdlib.h>
36 #endif
37
38 #include "definitions.h"
39
40 extern int D, h, W, H, d;
41
42 void fill_image_vector_with_data(unsigned char *image_vector, int colour_Er1, int colour_Er2, struct transmission_line_properties foo) 
43 {
44    int i, j; 
45    unsigned char red, green, blue;
46    int vector_original=0;
47    for(j=0;j<H;++j)
48    {
49       for(i=0;i<W; ++i)
50       {
51
52          /* Put a small border in green. Only one pixel is needed, but
53          I'll put a few more. */
54
55          if( pow((double)i-(double)D/2.0-(double)BORDER,2.0) + pow((double)j-(double)D/2.0-(double)BORDER,2.0)>=((double)D*(double)D)/4.)
56          {
57             red=0x00;
58             green=0xff;
59             blue=0x00;
60          }
61          else if( pow((double)i-(double)D/2.0-(double)BORDER-(double) h,2.0) + pow((double)j-(double)D/2.0-(double)BORDER,2.0)<=((double)d*(double)d)/4.0)
62          {
63             red=0xff;
64             green=0x0;
65             blue=0x0;
66          }
67          else
68          {
69             red=colour_Er1/(256*256); /* Fill in areas with Er1 */
70             green=colour_Er1/256;
71             blue=colour_Er1%256;
72          }
73          image_vector[vector_original]=blue;
74          image_vector[vector_original+1]=green;
75          image_vector[vector_original+2]=red;
76          vector_original+=3;
77       }
78    }
79 }