src/gpsmapper.c

   1 /*
   2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
   3  *
   4  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later 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  USA
  19  *
  20  */
  21 #include "viking.h"
  22
  23 #include <string.h>
  24
  25 /* Name of layer -> RGN type and Type
  26    format: Name RGN40 0x40
  27    or:     Name RGN10 0x2f06
  28 */
  29 /* returns 0 if invalid/no rgn stuff, else returns len of */
  30 static guint print_rgn_stuff ( const gchar *nm, FILE *f )
  31 {
  32   guint len;
  33   gchar *layers;
  34   gchar *name;
  35
  36   if (!nm)
  37     return 0;
  38
  39   name = g_strdup ( nm );
  40
  41   len = strlen(name);
  42
  43
  44
  45   /* --------------------------------------------- */
  46   /* added by oddgeir@oddgeirkvien.com, 2005.02.02 */
  47   /* Format may also be: Name RGN40 0x40 Layers=1  */
  48   /* or: Name RGN10 0x2f06 Layers=1                */
  49
  50   if ( len > 20 && strncasecmp(name+len-8,"LAYERS=",7) == 0 ) /* Layers is added to the description */
  51   {
  52     layers=name+len-8;
  53     *(name+len-9)=0;
  54     len = strlen(name);
  55   }
  56   else
  57   {
  58     layers=0;
  59   }
  60   /* --------------------------------------------- */
  61
  62
  63
  64   if ( len > 11 && strncasecmp(name+len-10,"RGN",3) == 0 &&
  65 strncasecmp(name+len-4,"0x",2) == 0 )
  66   {
  67     fprintf ( f, "[%.5s]\nType=%.4s\nLabel=", name+len-10, name+len-4 );
  68     fwrite ( name, sizeof(gchar), len - 11, f );
  69     fprintf ( f, "\n" );
  70
  71 /* added by oddgeir@oddgeirkvien.com, 2005.02.02 */
  72     if (layers) fprintf( f, "%s\n",layers);
  73
  74     g_free ( name );
  75
  76     return len - 11;
  77   }
  78   else if ( len > 13 && strncasecmp(name+len-12,"RGN",3) == 0 &&
  79 strncasecmp(name+len-6,"0x",2) == 0 )
  80   {
  81     fprintf ( f, "[%.5s]\nType=%.6s\nLabel=", name+len-12, name+len-6 );
  82     fwrite ( name, sizeof(gchar), len - 13, f );
  83     fprintf ( f, "\n" );
  84
  85 /* added by oddgeir@oddgeirkvien.com, 2005.02.02 */
  86     if (layers) fprintf( f, "%s\n",layers);
  87
  88     g_free ( name );
  89
  90     return len - 13;
  91   }
  92   else {
  93     g_free ( name );
  94     return 0;
  95   }
  96 }
  97
  98 static void write_waypoint ( const gchar *name, VikWaypoint *wp, FILE *f )
  99 {
 100   static struct LatLon ll;
 101   guint len = print_rgn_stuff ( wp->comment, f );
 102   if ( len )
 103   {
 104     gchar *s_lat, *s_lon;
 105     vik_coord_to_latlon ( &(wp->coord), &ll );
 106     s_lat = a_coords_dtostr(ll.lat);
 107     s_lon = a_coords_dtostr(ll.lon);
 108     fprintf ( f, "Data0=(%s,%s)\n", s_lat, s_lon );
 109     g_free ( s_lat );
 110     g_free ( s_lon );
 111     fprintf ( f, "[END-%.5s]\n\n", wp->comment+len+1 );
 112   }
 113 }
 114
 115 static void write_trackpoint ( VikTrackpoint *tp, FILE *f )
 116 {
 117   static struct LatLon ll;
 118   gchar *s_lat, *s_lon;
 119   vik_coord_to_latlon ( &(tp->coord), &ll );
 120   s_lat = a_coords_dtostr(ll.lat);
 121   s_lon = a_coords_dtostr(ll.lon);
 122   fprintf ( f, "(%s,%s),", s_lat, s_lon );
 123   g_free ( s_lat );
 124   g_free ( s_lon );
 125 }
 126
 127 static void write_track ( const gchar *name, VikTrack *t, FILE *f )
 128 {
 129   guint len = print_rgn_stuff ( t->comment, f );
 130   if ( len )
 131   {
 132     fprintf ( f, "Data0=" );
 133     g_list_foreach ( t->trackpoints, (GFunc) write_trackpoint, f );
 134     fprintf ( f, "\n[END-%.5s]\n\n", t->comment+len+1 );
 135   }
 136 }
 137
 138 void a_gpsmapper_write_file ( VikTrwLayer *trw, FILE *f )
 139 {
 140   GHashTable *tracks = vik_trw_layer_get_tracks ( trw );
 141   GHashTable *waypoints = vik_trw_layer_get_waypoints ( trw );
 142
 143   fprintf ( f, "[IMG ID]\nID=%s\nName=%s\nTreSize=1000\nRgnLimit=700\nLevels=2\nLevel0=22\nLevel1=18\nZoom0=0\nZoom1=1\n[END-IMG ID]\n\n",
 144       VIK_LAYER(trw)->name, VIK_LAYER(trw)->name );
 145
 146   g_hash_table_foreach ( waypoints, (GHFunc) write_waypoint, f );
 147   g_hash_table_foreach ( tracks, (GHFunc) write_track, f );
 148 }
 149
 150