Diff of /trunk/src/osm-gps-map.c

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revision 32 by harbaum, Tue Jul 28 13:21:22 2009 UTC revision 56 by harbaum, Fri Aug 14 12:19:45 2009 UTC
# Line 33  Line 33 
33    
34  #include <gdk/gdk.h>  #include <gdk/gdk.h>
35  #include <glib.h>  #include <glib.h>
36    #include <glib/gstdio.h>
37  #include <glib/gprintf.h>  #include <glib/gprintf.h>
38  #include <libsoup/soup.h>  #include <libsoup/soup.h>
39    
# Line 83  struct _OsmGpsMapPrivate Line 84  struct _OsmGpsMapPrivate
84      //contains flags indicating the various special characters      //contains flags indicating the various special characters
85      //the uri string contains, that will be replaced when calculating      //the uri string contains, that will be replaced when calculating
86      //the uri to download.      //the uri to download.
87        OsmGpsMapSource_t map_source;
88      char *repo_uri;      char *repo_uri;
89        char *image_format;
90      int uri_format;      int uri_format;
91      //flag indicating if the map source is located on the google      //flag indicating if the map source is located on the google
92      gboolean the_google;      gboolean the_google;
# Line 104  struct _OsmGpsMapPrivate Line 107  struct _OsmGpsMapPrivate
107      GdkGC *gc_map;      GdkGC *gc_map;
108    
109      //The tile painted when one cannot be found      //The tile painted when one cannot be found
110      //GdkPixbuf *missing_tile;      GdkPixbuf *null_tile;
111    
112      //For tracking click and drag      //For tracking click and drag
113      int drag_counter;      int drag_counter;
# Line 157  enum Line 160  enum
160      PROP_TILES_QUEUED,      PROP_TILES_QUEUED,
161      PROP_GPS_TRACK_WIDTH,      PROP_GPS_TRACK_WIDTH,
162      PROP_GPS_POINT_R1,      PROP_GPS_POINT_R1,
163      PROP_GPS_POINT_R2      PROP_GPS_POINT_R2,
164        PROP_MAP_SOURCE,
165        PROP_IMAGE_FORMAT
166  };  };
167    
168  G_DEFINE_TYPE (OsmGpsMap, osm_gps_map, GTK_TYPE_DRAWING_AREA);  G_DEFINE_TYPE (OsmGpsMap, osm_gps_map, GTK_TYPE_DRAWING_AREA);
# Line 171  static gchar    *replace_map_uri(OsmGpsM Line 176  static gchar    *replace_map_uri(OsmGpsM
176  static void     osm_gps_map_print_images (OsmGpsMap *map);  static void     osm_gps_map_print_images (OsmGpsMap *map);
177  static void     osm_gps_map_draw_gps_point (OsmGpsMap *map);  static void     osm_gps_map_draw_gps_point (OsmGpsMap *map);
178  static void     osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y);  static void     osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y);
179    #ifdef LIBSOUP22
180    static void     osm_gps_map_tile_download_complete (SoupMessage *msg, gpointer user_data);
181    #else
182    static void     osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data);
183    #endif
184  static void     osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw);  static void     osm_gps_map_download_tile (OsmGpsMap *map, int zoom, int x, int y, gboolean redraw);
185  static void     osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y);  static void     osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y);
186  static void     osm_gps_map_fill_tiles_pixel (OsmGpsMap *map);  static void     osm_gps_map_fill_tiles_pixel (OsmGpsMap *map);
# Line 420  my_log_handler (const gchar * log_domain Line 430  my_log_handler (const gchar * log_domain
430          g_log_default_handler (log_domain, log_level, message, user_data);          g_log_default_handler (log_domain, log_level, message, user_data);
431  }  }
432    
433    static float
434    osm_gps_map_get_scale_at_point(int zoom, float rlat, float rlon)
435    {
436        /* world at zoom 1 == 512 pixels */
437        return cos(rlat) * M_PI * OSM_EQ_RADIUS / (1<<(7+zoom));
438    }
439    
440  /* clears the trip list and all resources */  /* clears the trip list and all resources */
441  static void  static void
442  osm_gps_map_free_trip (OsmGpsMap *map)  osm_gps_map_free_trip (OsmGpsMap *map)
# Line 529  osm_gps_map_draw_gps_point (OsmGpsMap *m Line 546  osm_gps_map_draw_gps_point (OsmGpsMap *m
546          int x, y;          int x, y;
547          int r = priv->ui_gps_point_inner_radius;          int r = priv->ui_gps_point_inner_radius;
548          int r2 = priv->ui_gps_point_outer_radius;          int r2 = priv->ui_gps_point_outer_radius;
549            // int lw = priv->ui_gps_track_width;
550          int mr = MAX(r,r2);          int mr = MAX(r,r2);
551    
552          map_x0 = priv->map_x - EXTRA_BORDER;          map_x0 = priv->map_x - EXTRA_BORDER;
# Line 539  osm_gps_map_draw_gps_point (OsmGpsMap *m Line 557  osm_gps_map_draw_gps_point (OsmGpsMap *m
557          cairo_t *cr;          cairo_t *cr;
558          cairo_pattern_t *pat;          cairo_pattern_t *pat;
559  #else  #else
         int lw = priv->ui_gps_track_width;  
560          GdkColor color;          GdkColor color;
561          GdkGC *marker;          GdkGC *marker;
562  #endif  #endif
# Line 616  osm_gps_map_draw_gps_point (OsmGpsMap *m Line 633  osm_gps_map_draw_gps_point (OsmGpsMap *m
633      }      }
634  }  }
635    
636    /* http://cairographics.org/samples/ */
637    static void
638    osm_gps_map_draw_balloon (OsmGpsMap *map)
639    {
640        OsmGpsMapPrivate *priv = map->priv;
641    
642        /* xyz */
643    #define X 100
644    #define Y 100
645    #define RADIUS 20
646    #define WIDTH  150
647    #define HEIGHT 75
648    #define TRANSPARENCY  0.7
649    #define PIN_HEIGHT 20
650    #define PIN_FOOT_WIDTH 20
651    #define PIN_X  (X + EXTRA_BORDER)
652    #define PIN_X0 (X + EXTRA_BORDER + RADIUS + PIN_FOOT_WIDTH)
653    #define PIN_X1 (X + EXTRA_BORDER + RADIUS)
654    #define PIN_Y  (Y + EXTRA_BORDER + HEIGHT + PIN_HEIGHT)
655    
656    #ifdef USE_CAIRO
657        cairo_t *cr = gdk_cairo_create(priv->pixmap);
658    
659        int x0 = X + EXTRA_BORDER, y0 = Y + EXTRA_BORDER;
660        int x1 = x0 + WIDTH, y1 = y0 + HEIGHT;
661    
662        cairo_move_to (cr, x0, y0 + RADIUS);
663        cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + RADIUS, y0);
664        cairo_line_to (cr, x1 - RADIUS, y0);
665        cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + RADIUS);
666        cairo_line_to (cr, x1 , y1 - RADIUS);
667        cairo_curve_to (cr, x1, y1, x1, y1, x1 - RADIUS, y1);
668    
669        /* insert pin */
670        cairo_line_to (cr, PIN_X0, y1);
671        cairo_line_to (cr, PIN_X, PIN_Y);
672        cairo_line_to (cr, PIN_X1, y1);
673    
674    
675        cairo_line_to (cr, x0 + RADIUS, y1);
676        cairo_curve_to (cr, x0, y1, x0, y1, x0, y1 - RADIUS);
677    
678        cairo_close_path (cr);
679        cairo_set_source_rgba (cr, 1, 1, 1, TRANSPARENCY);
680        cairo_fill_preserve (cr);
681        cairo_set_source_rgba (cr, 0, 0, 0, TRANSPARENCY);
682        cairo_set_line_width (cr, 1);
683        cairo_stroke (cr);
684    
685        gtk_widget_queue_draw_area (GTK_WIDGET(map),
686                                    x0,
687                                    y0,
688                                    WIDTH,
689                                    HEIGHT + PIN_HEIGHT);
690    #endif
691    }
692    
693  static void  static void
694  osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y)  osm_gps_map_blit_tile(OsmGpsMap *map, GdkPixbuf *pixbuf, int offset_x, int offset_y)
695  {  {
696      OsmGpsMapPrivate *priv = map->priv;      OsmGpsMapPrivate *priv = map->priv;
697    
698      g_debug("Queing redraw @ %d,%d (w:%d h:%d)", offset_x,offset_y,      g_debug("Queing redraw @ %d,%d (w:%d h:%d)", offset_x,offset_y, TILESIZE,TILESIZE);
             TILESIZE,TILESIZE);  
699    
700      /* draw pixbuf onto pixmap */      /* draw pixbuf onto pixmap */
701      gdk_draw_pixbuf (priv->pixmap,      gdk_draw_pixbuf (priv->pixmap,
# Line 654  static void Line 727  static void
727  osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data)  osm_gps_map_tile_download_complete (SoupSession *session, SoupMessage *msg, gpointer user_data)
728  #endif  #endif
729  {  {
730      int fd;      FILE *file;
731      tile_download_t *dl = (tile_download_t *)user_data;      tile_download_t *dl = (tile_download_t *)user_data;
732      OsmGpsMap *map = OSM_GPS_MAP(dl->map);      OsmGpsMap *map = OSM_GPS_MAP(dl->map);
733      OsmGpsMapPrivate *priv = map->priv;      OsmGpsMapPrivate *priv = map->priv;
# Line 667  osm_gps_map_tile_download_complete (Soup Line 740  osm_gps_map_tile_download_complete (Soup
740          {          {
741              if (g_mkdir_with_parents(dl->folder,0700) == 0)              if (g_mkdir_with_parents(dl->folder,0700) == 0)
742              {              {
743                  fd = open(dl->filename, O_WRONLY | O_CREAT | O_TRUNC, 0644);                  file = g_fopen(dl->filename, "wb");
744                  if (fd != -1)                  if (file != NULL)
745                  {                  {
746                      write (fd, MSG_RESPONSE_BODY(msg), MSG_RESPONSE_LEN(msg));                      fwrite (MSG_RESPONSE_BODY(msg), 1, MSG_RESPONSE_LEN(msg), file);
747                      file_saved = TRUE;                      file_saved = TRUE;
748                        g_debug("Wrote "MSG_RESPONSE_LEN_FORMAT" bytes to %s", MSG_RESPONSE_LEN(msg), dl->filename);
749                        fclose (file);
750    
                     g_debug("Wrote " MSG_RESPONSE_LEN_FORMAT " bytes to %s", MSG_RESPONSE_LEN(msg), dl->filename);  
                     close (fd);  
751                  }                  }
752              }              }
753              else              else
# Line 687  osm_gps_map_tile_download_complete (Soup Line 760  osm_gps_map_tile_download_complete (Soup
760          {          {
761              GdkPixbuf *pixbuf = NULL;              GdkPixbuf *pixbuf = NULL;
762    
763                /* if the file was actually stored on disk, we can simply */
764                /* load and decode it from that file */
765              if (priv->cache_dir)              if (priv->cache_dir)
766              {              {
767                  if (file_saved)                  if (file_saved)
# Line 720  osm_gps_map_tile_download_complete (Soup Line 795  osm_gps_map_tile_download_complete (Soup
795                      g_warning("Error: Unable to determine image file format");                      g_warning("Error: Unable to determine image file format");
796                  }                  }
797              }              }
798    
799              /* Store the tile into the cache */              /* Store the tile into the cache */
800              if (G_LIKELY (pixbuf))              if (G_LIKELY (pixbuf))
801              {              {
# Line 735  osm_gps_map_tile_download_complete (Soup Line 810  osm_gps_map_tile_download_complete (Soup
810                   * we are using it as a key in the hash table */                   * we are using it as a key in the hash table */
811                  dl->filename = NULL;                  dl->filename = NULL;
812              }              }
   
813              osm_gps_map_map_redraw_idle (map);              osm_gps_map_map_redraw_idle (map);
814          }          }
815          g_hash_table_remove(priv->tile_queue, dl->uri);          g_hash_table_remove(priv->tile_queue, dl->uri);
# Line 794  osm_gps_map_download_tile (OsmGpsMap *ma Line 868  osm_gps_map_download_tile (OsmGpsMap *ma
868          g_free(dl->uri);          g_free(dl->uri);
869          g_free(dl);          g_free(dl);
870      } else {      } else {
871          dl->folder = g_strdup_printf("%s/%d/%d/",priv->cache_dir, zoom, x);          dl->folder = g_strdup_printf("%s%c%d%c%d%c",
872          dl->filename = g_strdup_printf("%s/%d/%d/%d.png",priv->cache_dir, zoom, x, y);                              priv->cache_dir, G_DIR_SEPARATOR,
873                                zoom, G_DIR_SEPARATOR,
874                                x, G_DIR_SEPARATOR);
875            dl->filename = g_strdup_printf("%s%c%d%c%d%c%d.%s",
876                                priv->cache_dir, G_DIR_SEPARATOR,
877                                zoom, G_DIR_SEPARATOR,
878                                x, G_DIR_SEPARATOR,
879                                y,
880                                priv->image_format);
881          dl->map = map;          dl->map = map;
882          dl->redraw = redraw;          dl->redraw = redraw;
883    
# Line 813  osm_gps_map_download_tile (OsmGpsMap *ma Line 895  osm_gps_map_download_tile (OsmGpsMap *ma
895                      if (cookie) {                      if (cookie) {
896                          g_debug("Adding Google Cookie");                          g_debug("Adding Google Cookie");
897                          soup_message_headers_append(msg->request_headers, "Cookie", cookie);                          soup_message_headers_append(msg->request_headers, "Cookie", cookie);
   
898                      }                      }
899                  }                  }
900              }              }
# Line 835  osm_gps_map_load_cached_tile (OsmGpsMap Line 916  osm_gps_map_load_cached_tile (OsmGpsMap
916  {  {
917      OsmGpsMapPrivate *priv = map->priv;      OsmGpsMapPrivate *priv = map->priv;
918      gchar *filename;      gchar *filename;
919      GdkPixbuf *pixbuf;      GdkPixbuf *pixbuf = NULL;
920      OsmCachedTile *tile;      OsmCachedTile *tile;
921    
922      filename = g_strdup_printf("%s/%u/%u/%u.png",      filename = g_strdup_printf("%s%c%d%c%d%c%d.%s",
923                                 priv->cache_dir,                  priv->cache_dir, G_DIR_SEPARATOR,
924                                 zoom, x, y);                  zoom, G_DIR_SEPARATOR,
925                    x, G_DIR_SEPARATOR,
926                    y,
927                    priv->image_format);
928    
929      tile = g_hash_table_lookup (priv->tile_cache, filename);      tile = g_hash_table_lookup (priv->tile_cache, filename);
930      if (tile)      if (tile)
931      {      {
932          g_free (filename);          g_free (filename);
933      }      }
934      else if (priv->cache_dir)      else
935      {      {
936          pixbuf = gdk_pixbuf_new_from_file (filename, NULL);          pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
937          if (pixbuf)          if (pixbuf)
# Line 863  osm_gps_map_load_cached_tile (OsmGpsMap Line 947  osm_gps_map_load_cached_tile (OsmGpsMap
947      {      {
948          tile->redraw_cycle = priv->redraw_cycle;          tile->redraw_cycle = priv->redraw_cycle;
949          pixbuf = g_object_ref (tile->pixbuf);          pixbuf = g_object_ref (tile->pixbuf);
950      } else      }
         pixbuf = NULL;  
951    
952      return pixbuf;      return pixbuf;
953  }  }
# Line 928  static void Line 1011  static void
1011  osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y)  osm_gps_map_load_tile (OsmGpsMap *map, int zoom, int x, int y, int offset_x, int offset_y)
1012  {  {
1013      OsmGpsMapPrivate *priv = map->priv;      OsmGpsMapPrivate *priv = map->priv;
1014        gchar *filename;
1015      GdkPixbuf *pixbuf;      GdkPixbuf *pixbuf;
1016    
1017      g_debug("Load tile %d,%d (%d,%d) z:%d", x, y, offset_x, offset_y, zoom);      g_debug("Load tile %d,%d (%d,%d) z:%d", x, y, offset_x, offset_y, zoom);
1018    
1019      /* try to get file from internal cache */      if (priv->map_source == OSM_GPS_MAP_SOURCE_NULL) {
1020      pixbuf = osm_gps_map_load_cached_tile(map, zoom, x, y);          osm_gps_map_blit_tile(map, priv->null_tile, offset_x,offset_y);
1021            return;
1022        }
1023    
1024      /* if a disk cache is being used, try to read the file from there */      filename = g_strdup_printf("%s%c%d%c%d%c%d.%s",
1025      if (priv->cache_dir && !pixbuf)                  priv->cache_dir, G_DIR_SEPARATOR,
1026      {                  zoom, G_DIR_SEPARATOR,
1027          gchar *filename;                  x, G_DIR_SEPARATOR,
1028          filename = g_strdup_printf("%s/%u/%u/%u.png",                  y,
1029                                     priv->cache_dir,                  priv->image_format);
                                    zoom, x, y);  
   
         pixbuf = gdk_pixbuf_new_from_file (filename, NULL);  
         if (pixbuf)  
         {  
             g_debug("Found tile %s", filename);  
         }  
1030    
1031          g_free(filename);      /* try to get file from internal cache first */
1032      }      if(!(pixbuf = osm_gps_map_load_cached_tile(map, zoom, x, y)))
1033            pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
1034    
1035      if (G_LIKELY(pixbuf))      if(pixbuf)
1036      {      {
1037            g_debug("Found tile %s", filename);
1038          osm_gps_map_blit_tile(map, pixbuf, offset_x,offset_y);          osm_gps_map_blit_tile(map, pixbuf, offset_x,offset_y);
1039          g_object_unref (pixbuf);          g_object_unref (pixbuf);
1040      }      }
# Line 984  osm_gps_map_load_tile (OsmGpsMap *map, i Line 1065  osm_gps_map_load_tile (OsmGpsMap *map, i
1065                                  TRUE, offset_x, offset_y, TILESIZE, TILESIZE);                                  TRUE, offset_x, offset_y, TILESIZE, TILESIZE);
1066          }          }
1067      }      }
1068        g_free(filename);
1069  }  }
1070    
1071  static void  static void
# Line 1077  osm_gps_map_print_track (OsmGpsMap *map, Line 1159  osm_gps_map_print_track (OsmGpsMap *map,
1159    
1160      map_x0 = priv->map_x - EXTRA_BORDER;      map_x0 = priv->map_x - EXTRA_BORDER;
1161      map_y0 = priv->map_y - EXTRA_BORDER;      map_y0 = priv->map_y - EXTRA_BORDER;
   
1162      for(list = trackpoint_list; list != NULL; list = list->next)      for(list = trackpoint_list; list != NULL; list = list->next)
1163      {      {
1164          coord_t *tp = list->data;          coord_t *tp = list->data;
# Line 1132  osm_gps_map_print_tracks (OsmGpsMap *map Line 1213  osm_gps_map_print_tracks (OsmGpsMap *map
1213    
1214      if (priv->show_trip_history)      if (priv->show_trip_history)
1215          osm_gps_map_print_track (map, priv->trip_history);          osm_gps_map_print_track (map, priv->trip_history);
1216    
1217      if (priv->tracks)      if (priv->tracks)
1218      {      {
         g_debug("TRACK");  
1219          GSList* tmp = priv->tracks;          GSList* tmp = priv->tracks;
1220          while (tmp != NULL)          while (tmp != NULL)
1221          {          {
# Line 1144  osm_gps_map_print_tracks (OsmGpsMap *map Line 1225  osm_gps_map_print_tracks (OsmGpsMap *map
1225      }      }
1226  }  }
1227    
1228  static gboolean  static gboolean
1229  osm_gps_map_purge_cache_check(gpointer key, gpointer value, gpointer user)  osm_gps_map_purge_cache_check(gpointer key, gpointer value, gpointer user)
1230  {  {
1231      return(((OsmCachedTile*)value)->redraw_cycle != ((OsmGpsMapPrivate*)user)->redraw_cycle);     return (((OsmCachedTile*)value)->redraw_cycle != ((OsmGpsMapPrivate*)user)->redraw_cycle);
1232  }  }
1233    
1234  static void  static void
1235  osm_gps_map_purge_cache (OsmGpsMap *map)  osm_gps_map_purge_cache (OsmGpsMap *map)
1236  {  {
1237      OsmGpsMapPrivate *priv = map->priv;     OsmGpsMapPrivate *priv = map->priv;
1238    
1239      if (g_hash_table_size (priv->tile_cache) < priv->max_tile_cache_size)     if (g_hash_table_size (priv->tile_cache) < priv->max_tile_cache_size)
1240          return;         return;
1241    
1242      /* run through the cache, and remove the tiles which have not been used     /* run through the cache, and remove the tiles which have not been used
1243       * during the last redraw operation */      * during the last redraw operation */
1244      g_hash_table_foreach_remove(priv->tile_cache, osm_gps_map_purge_cache_check, priv);     g_hash_table_foreach_remove(priv->tile_cache, osm_gps_map_purge_cache_check, priv);
1245  }  }
1246    
1247  static gboolean  static gboolean
# Line 1194  osm_gps_map_map_redraw (OsmGpsMap *map) Line 1275  osm_gps_map_map_redraw (OsmGpsMap *map)
1275      osm_gps_map_draw_gps_point(map);      osm_gps_map_draw_gps_point(map);
1276      osm_gps_map_print_images(map);      osm_gps_map_print_images(map);
1277    
1278        osm_gps_map_draw_balloon(map);
1279    
1280      //osm_gps_map_osd_speed(map, 1.5);      //osm_gps_map_osd_speed(map, 1.5);
1281      osm_gps_map_purge_cache(map);      osm_gps_map_purge_cache(map);
1282      gtk_widget_queue_draw (GTK_WIDGET (map));      gtk_widget_queue_draw (GTK_WIDGET (map));
# Line 1236  osm_gps_map_init (OsmGpsMap *object) Line 1319  osm_gps_map_init (OsmGpsMap *object)
1319      priv->uri_format = 0;      priv->uri_format = 0;
1320      priv->the_google = FALSE;      priv->the_google = FALSE;
1321    
1322        priv->map_source = -1;
1323    
1324  #ifndef LIBSOUP22  #ifndef LIBSOUP22
1325      //Change naumber of concurrent connections option?      //Change naumber of concurrent connections option?
1326      priv->soup_session = soup_session_async_new_with_options(      priv->soup_session = soup_session_async_new_with_options(
# Line 1289  osm_gps_map_constructor (GType gtype, gu Line 1374  osm_gps_map_constructor (GType gtype, gu
1374  {  {
1375      GObject *object;      GObject *object;
1376      OsmGpsMapPrivate *priv;      OsmGpsMapPrivate *priv;
1377        OsmGpsMap *map;
1378        const char *uri;
1379    
1380      //Always chain up to the parent constructor      //Always chain up to the parent constructor
1381      object = G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties);      object = G_OBJECT_CLASS(osm_gps_map_parent_class)->constructor(gtype, n_properties, properties);
1382        map = OSM_GPS_MAP(object);
1383      priv = OSM_GPS_MAP_PRIVATE(object);      priv = OSM_GPS_MAP_PRIVATE(object);
1384    
1385        //user can specify a map source ID, or a repo URI as the map source
1386        uri = osm_gps_map_source_get_repo_uri(OSM_GPS_MAP_SOURCE_NULL);
1387        if ( (priv->map_source == 0) || (strcmp(priv->repo_uri, uri) == 0) ) {
1388            g_debug("Using null source");
1389            priv->map_source = OSM_GPS_MAP_SOURCE_NULL;
1390    
1391            priv->null_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 256, 256);
1392            gdk_pixbuf_fill(priv->null_tile, 0xcccccc00);
1393        }
1394        else if (priv->map_source >= 0) {
1395            //check if the source given is valid
1396            uri = osm_gps_map_source_get_repo_uri(priv->map_source);
1397            if (uri) {
1398                g_debug("Setting map source from ID");
1399                g_free(priv->repo_uri);
1400    
1401                priv->repo_uri = g_strdup(uri);
1402                priv->image_format = g_strdup(
1403                    osm_gps_map_source_get_image_format(priv->map_source));
1404                priv->max_zoom = osm_gps_map_source_get_max_zoom(priv->map_source);
1405                priv->min_zoom = osm_gps_map_source_get_min_zoom(priv->map_source);
1406            }
1407        }
1408    
1409      if (!priv->cache_dir_is_full_path) {      if (!priv->cache_dir_is_full_path) {
1410  #ifdef G_CHECKSUM_MD5  #ifdef G_CHECKSUM_MD5
1411          char *md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, priv->repo_uri, -1);          char *md5 = g_compute_checksum_for_string (G_CHECKSUM_MD5, priv->repo_uri, -1);
# Line 1304  osm_gps_map_constructor (GType gtype, gu Line 1416  osm_gps_map_constructor (GType gtype, gu
1416          if (priv->cache_dir) {          if (priv->cache_dir) {
1417              char *old = priv->cache_dir;              char *old = priv->cache_dir;
1418              //the new cachedir is the given cache dir + the md5 of the repo_uri              //the new cachedir is the given cache dir + the md5 of the repo_uri
1419              priv->cache_dir = g_strdup_printf("%s/%s", old, md5);              priv->cache_dir = g_strdup_printf("%s%c%s", old, G_DIR_SEPARATOR, md5);
1420              g_debug("Adjusting cache dir %s -> %s", old, priv->cache_dir);              g_debug("Adjusting cache dir %s -> %s", old, priv->cache_dir);
1421              g_free(old);              g_free(old);
1422            } else {
1423                //the new cachedir is the current dir + the md5 of the repo_uri
1424                priv->cache_dir = g_strdup(md5);
1425          }          }
1426    
1427          g_free(md5);          g_free(md5);
1428      }      }
1429    
1430        inspect_map_uri(map);
1431    
1432      return object;      return object;
1433  }  }
1434    
# Line 1338  osm_gps_map_dispose (GObject *object) Line 1455  osm_gps_map_dispose (GObject *object)
1455      if(priv->pixmap)      if(priv->pixmap)
1456          g_object_unref (priv->pixmap);          g_object_unref (priv->pixmap);
1457    
1458        if (priv->null_tile)
1459            g_object_unref (priv->null_tile);
1460    
1461      if(priv->gc_map)      if(priv->gc_map)
1462          g_object_unref(priv->gc_map);          g_object_unref(priv->gc_map);
1463    
# Line 1355  osm_gps_map_finalize (GObject *object) Line 1475  osm_gps_map_finalize (GObject *object)
1475    
1476      g_free(priv->cache_dir);      g_free(priv->cache_dir);
1477      g_free(priv->repo_uri);      g_free(priv->repo_uri);
1478        g_free(priv->image_format);
1479    
1480      osm_gps_map_free_trip(map);      osm_gps_map_free_trip(map);
1481      osm_gps_map_free_tracks(map);      osm_gps_map_free_tracks(map);
# Line 1385  osm_gps_map_set_property (GObject *objec Line 1506  osm_gps_map_set_property (GObject *objec
1506              break;              break;
1507          case PROP_REPO_URI:          case PROP_REPO_URI:
1508              priv->repo_uri = g_value_dup_string (value);              priv->repo_uri = g_value_dup_string (value);
             inspect_map_uri(map);  
1509              break;              break;
1510          case PROP_PROXY_URI:          case PROP_PROXY_URI:
1511              if ( g_value_get_string(value) ) {              if ( g_value_get_string(value) ) {
   
1512                  priv->proxy_uri = g_value_dup_string (value);                  priv->proxy_uri = g_value_dup_string (value);
1513                  g_debug("Setting proxy server: %s", priv->proxy_uri);                  g_debug("Setting proxy server: %s", priv->proxy_uri);
1514    
1515  #ifndef LIBSOUP22  #ifndef LIBSOUP22
1516                  GValue val = {0};                  GValue val = {0};
1517    
1518                  SoupURI* uri = soup_uri_new(priv->proxy_uri);                  SoupURI* uri = soup_uri_new(priv->proxy_uri);
1519                  g_value_init(&val, SOUP_TYPE_URI);                  g_value_init(&val, SOUP_TYPE_URI);
1520                  g_value_take_boxed(&val, uri);                  g_value_take_boxed(&val, uri);
# Line 1403  osm_gps_map_set_property (GObject *objec Line 1524  osm_gps_map_set_property (GObject *objec
1524                  SoupUri* uri = soup_uri_new(priv->proxy_uri);                  SoupUri* uri = soup_uri_new(priv->proxy_uri);
1525                  g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL);                  g_object_set(G_OBJECT(priv->soup_session), SOUP_SESSION_PROXY_URI, uri, NULL);
1526  #endif  #endif
                 soup_uri_free(uri);  
1527              } else              } else
1528                  priv->proxy_uri = NULL;                  priv->proxy_uri = NULL;
1529    
1530              break;              break;
1531          case PROP_TILE_CACHE_DIR:          case PROP_TILE_CACHE_DIR:
1532              priv->cache_dir = g_value_dup_string (value);              if ( g_value_get_string(value) )
1533                    priv->cache_dir = g_value_dup_string (value);
1534              break;              break;
1535          case PROP_TILE_CACHE_DIR_IS_FULL_PATH:          case PROP_TILE_CACHE_DIR_IS_FULL_PATH:
1536              priv->cache_dir_is_full_path = g_value_get_boolean (value);              priv->cache_dir_is_full_path = g_value_get_boolean (value);
# Line 1440  osm_gps_map_set_property (GObject *objec Line 1561  osm_gps_map_set_property (GObject *objec
1561          case PROP_GPS_POINT_R2:          case PROP_GPS_POINT_R2:
1562              priv->ui_gps_point_outer_radius = g_value_get_int (value);              priv->ui_gps_point_outer_radius = g_value_get_int (value);
1563              break;              break;
1564            case PROP_MAP_SOURCE:
1565                priv->map_source = g_value_get_int (value);
1566                break;
1567            case PROP_IMAGE_FORMAT:
1568                priv->image_format = g_value_dup_string (value);
1569                break;
1570          default:          default:
1571              G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);              G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1572              break;              break;
# Line 1517  osm_gps_map_get_property (GObject *objec Line 1644  osm_gps_map_get_property (GObject *objec
1644          case PROP_GPS_POINT_R2:          case PROP_GPS_POINT_R2:
1645              g_value_set_int(value, priv->ui_gps_point_outer_radius);              g_value_set_int(value, priv->ui_gps_point_outer_radius);
1646              break;              break;
1647            case PROP_MAP_SOURCE:
1648                g_value_set_int(value, priv->map_source);
1649                break;
1650            case PROP_IMAGE_FORMAT:
1651                g_value_set_string(value, priv->image_format);
1652                break;
1653          default:          default:
1654              G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);              G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1655              break;              break;
# Line 1524  osm_gps_map_get_property (GObject *objec Line 1657  osm_gps_map_get_property (GObject *objec
1657  }  }
1658    
1659  static gboolean  static gboolean
1660  _osm_gps_map_scroll (GtkWidget *widget, GdkEventScroll  *event)  osm_gps_map_scroll_event (GtkWidget *widget, GdkEventScroll  *event)
1661  {  {
1662      OsmGpsMap *map = OSM_GPS_MAP(widget);      OsmGpsMap *map = OSM_GPS_MAP(widget);
1663      OsmGpsMapPrivate *priv = map->priv;      OsmGpsMapPrivate *priv = map->priv;
# Line 1730  osm_gps_map_class_init (OsmGpsMapClass * Line 1863  osm_gps_map_class_init (OsmGpsMapClass *
1863      widget_class->button_press_event = osm_gps_map_button_press;      widget_class->button_press_event = osm_gps_map_button_press;
1864      widget_class->button_release_event = osm_gps_map_button_release;      widget_class->button_release_event = osm_gps_map_button_release;
1865      widget_class->motion_notify_event = osm_gps_map_motion_notify;      widget_class->motion_notify_event = osm_gps_map_motion_notify;
1866      widget_class->scroll_event = _osm_gps_map_scroll;      widget_class->scroll_event = osm_gps_map_scroll_event;
1867    
1868      g_object_class_install_property (object_class,      g_object_class_install_property (object_class,
1869                                       PROP_AUTO_CENTER,                                       PROP_AUTO_CENTER,
# Line 1768  osm_gps_map_class_init (OsmGpsMapClass * Line 1901  osm_gps_map_class_init (OsmGpsMapClass *
1901                                       PROP_REPO_URI,                                       PROP_REPO_URI,
1902                                       g_param_spec_string ("repo-uri",                                       g_param_spec_string ("repo-uri",
1903                                                            "repo uri",                                                            "repo uri",
1904                                                            "osm repo uri",                                                            "map source tile repository uri",
1905                                                            "http://tile.openstreetmap.org/#Z/#X/#Y.png",                                                            OSM_REPO_URI,
1906                                                            G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));                                                            G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
1907    
1908      g_object_class_install_property (object_class,       g_object_class_install_property (object_class,
1909                                       PROP_PROXY_URI,                                       PROP_PROXY_URI,
1910                                       g_param_spec_string ("proxy-uri",                                       g_param_spec_string ("proxy-uri",
1911                                                            "proxy uri",                                                            "proxy uri",
# Line 1785  osm_gps_map_class_init (OsmGpsMapClass * Line 1918  osm_gps_map_class_init (OsmGpsMapClass *
1918                                       g_param_spec_string ("tile-cache",                                       g_param_spec_string ("tile-cache",
1919                                                            "tile cache",                                                            "tile cache",
1920                                                            "osm local tile cache dir",                                                            "osm local tile cache dir",
1921                                                            "/tmp/Maps",                                                            NULL,
1922                                                            G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));                                                            G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
1923    
1924      g_object_class_install_property (object_class,      g_object_class_install_property (object_class,
# Line 1813  osm_gps_map_class_init (OsmGpsMapClass * Line 1946  osm_gps_map_class_init (OsmGpsMapClass *
1946                                                         "maximum zoom level",                                                         "maximum zoom level",
1947                                                         MIN_ZOOM, /* minimum property value */                                                         MIN_ZOOM, /* minimum property value */
1948                                                         MAX_ZOOM, /* maximum property value */                                                         MAX_ZOOM, /* maximum property value */
1949                                                         17,                                                         OSM_MAX_ZOOM,
1950                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
1951    
1952      g_object_class_install_property (object_class,      g_object_class_install_property (object_class,
# Line 1823  osm_gps_map_class_init (OsmGpsMapClass * Line 1956  osm_gps_map_class_init (OsmGpsMapClass *
1956                                                         "minimum zoom level",                                                         "minimum zoom level",
1957                                                         MIN_ZOOM, /* minimum property value */                                                         MIN_ZOOM, /* minimum property value */
1958                                                         MAX_ZOOM, /* maximum property value */                                                         MAX_ZOOM, /* maximum property value */
1959                                                         1,                                                         OSM_MIN_ZOOM,
1960                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
1961    
1962      g_object_class_install_property (object_class,      g_object_class_install_property (object_class,
# Line 1906  osm_gps_map_class_init (OsmGpsMapClass * Line 2039  osm_gps_map_class_init (OsmGpsMapClass *
2039                                                         20,                                                         20,
2040                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));                                                         G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT));
2041    
2042        g_object_class_install_property (object_class,
2043                                         PROP_MAP_SOURCE,
2044                                         g_param_spec_int ("map-source",
2045                                                           "map source",
2046                                                           "map source ID",
2047                                                           -1,           /* minimum property value */
2048                                                           G_MAXINT,    /* maximum property value */
2049                                                           -1,
2050                                                           G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
2051    
2052        g_object_class_install_property (object_class,
2053                                         PROP_IMAGE_FORMAT,
2054                                         g_param_spec_string ("image-format",
2055                                                              "image format",
2056                                                              "map source tile repository image format (jpg, png)",
2057                                                              OSM_IMAGE_FORMAT,
2058                                                              G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
2059    }
2060    
2061    const char*
2062    osm_gps_map_source_get_friendly_name(OsmGpsMapSource_t source)
2063    {
2064        switch(source)
2065        {
2066            case OSM_GPS_MAP_SOURCE_NULL:
2067                return "None";
2068            case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
2069                return "OpenStreetMap";
2070            case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
2071                return "OpenStreetMap Renderer";
2072            case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:
2073                return "OpenAerialMap";
2074            case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
2075                return "Maps-For-Free";
2076            case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
2077                return "Google Maps";
2078            case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
2079                return "Google Satellite";
2080            case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
2081                return "Google Hybrid";
2082            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
2083                return "Virtual Earth";
2084            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
2085                return "Virtual Earth Satellite";
2086            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID:
2087                return "Virtual Earth Hybrid";
2088            case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
2089                return "Yahoo Maps";
2090            case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
2091                return "Yahoo Satellite";
2092            case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
2093                return "Yahoo Hybrid";
2094            default:
2095                return NULL;
2096        }
2097        return NULL;
2098    }
2099    
2100    //http://www.internettablettalk.com/forums/showthread.php?t=5209
2101    //https://garage.maemo.org/plugins/scmsvn/viewcvs.php/trunk/src/maps.c?root=maemo-mapper&view=markup
2102    //http://www.ponies.me.uk/maps/GoogleTileUtils.java
2103    //http://www.mgmaps.com/cache/MapTileCacher.perl
2104    const char*
2105    osm_gps_map_source_get_repo_uri(OsmGpsMapSource_t source)
2106    {
2107        switch(source)
2108        {
2109            case OSM_GPS_MAP_SOURCE_NULL:
2110                return "none://";
2111            case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
2112                return OSM_REPO_URI;
2113            case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
2114                return "http://tah.openstreetmap.org/Tiles/tile/#Z/#X/#Y.png";
2115            case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:
2116                return "http://tile.openaerialmap.org/tiles/1.0.0/openaerialmap-900913/#Z/#X/#Y.jpg";
2117            case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
2118                return "http://maps-for-free.com/layer/relief/z#Z/row#Y/#Z_#X-#Y.jpg";
2119            case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
2120                return "http://mt#R.google.com/vt/v=w2.97&x=#X&y=#Y&z=#Z";
2121            case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
2122                return "http://khm#R.google.com/kh?n=404&v=3&t=#Q";
2123            case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
2124                return NULL; /* No longer working  "http://mt#R.google.com/mt?n=404&v=w2t.99&x=#X&y=#Y&zoom=#S" */
2125            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
2126                return "http://a#R.ortho.tiles.virtualearth.net/tiles/r#W.jpeg?g=50";
2127            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
2128                return "http://a#R.ortho.tiles.virtualearth.net/tiles/a#W.jpeg?g=50";
2129            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID:
2130                return "http://a#R.ortho.tiles.virtualearth.net/tiles/h#W.jpeg?g=50";
2131            case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
2132            case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
2133            case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
2134                /* TODO: Implement signed Y, aka U
2135                 * http://us.maps3.yimg.com/aerial.maps.yimg.com/ximg?v=1.7&t=a&s=256&x=%d&y=%-d&z=%d
2136                 *  x = tilex,
2137                 *  y = (1 << (MAX_ZOOM - zoom)) - tiley - 1,
2138                 *  z = zoom - (MAX_ZOOM - 17));
2139                 */
2140                return NULL;
2141            default:
2142                return NULL;
2143        }
2144        return NULL;
2145    }
2146    
2147    const char *
2148    osm_gps_map_source_get_image_format(OsmGpsMapSource_t source)
2149    {
2150        switch(source) {
2151            case OSM_GPS_MAP_SOURCE_NULL:
2152            case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
2153            case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
2154                return "png";
2155            case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:
2156            case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
2157            case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
2158            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
2159            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
2160            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID:
2161            case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
2162            case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
2163            case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
2164            case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
2165            case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
2166                return "jpg";
2167            default:
2168                return "bin";
2169        }
2170        return "bin";
2171    }
2172    
2173    
2174    int
2175    osm_gps_map_source_get_min_zoom(OsmGpsMapSource_t source)
2176    {
2177        return 1;
2178    }
2179    
2180    int
2181    osm_gps_map_source_get_max_zoom(OsmGpsMapSource_t source)
2182    {
2183        switch(source) {
2184            case OSM_GPS_MAP_SOURCE_NULL:
2185                return 18;
2186            case OSM_GPS_MAP_SOURCE_OPENSTREETMAP:
2187                return OSM_MAX_ZOOM;
2188            case OSM_GPS_MAP_SOURCE_OPENSTREETMAP_RENDERER:
2189            case OSM_GPS_MAP_SOURCE_OPENAERIALMAP:
2190            case OSM_GPS_MAP_SOURCE_GOOGLE_STREET:
2191            case OSM_GPS_MAP_SOURCE_GOOGLE_HYBRID:
2192            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_STREET:
2193            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_SATELLITE:
2194            case OSM_GPS_MAP_SOURCE_VIRTUAL_EARTH_HYBRID:
2195            case OSM_GPS_MAP_SOURCE_YAHOO_STREET:
2196            case OSM_GPS_MAP_SOURCE_YAHOO_SATELLITE:
2197            case OSM_GPS_MAP_SOURCE_YAHOO_HYBRID:
2198                return 17;
2199            case OSM_GPS_MAP_SOURCE_MAPS_FOR_FREE:
2200                return 11;
2201            case OSM_GPS_MAP_SOURCE_GOOGLE_SATELLITE:
2202                return 18;
2203            default:
2204                return 17;
2205        }
2206        return 17;
2207  }  }
2208    
2209  void  void
# Line 1938  osm_gps_map_download_maps (OsmGpsMap *ma Line 2236  osm_gps_map_download_maps (OsmGpsMap *ma
2236                  for(j=y1; j<=y2; j++)                  for(j=y1; j<=y2; j++)
2237                  {                  {
2238                      // x = i, y = j                      // x = i, y = j
2239                      filename = g_strdup_printf("%s/%u/%u/%u.png", priv->cache_dir, zoom, i, j);                      filename = g_strdup_printf("%s%c%d%c%d%c%d.%s",
2240                      if (!priv->cache_dir || !g_file_test(filename, G_FILE_TEST_EXISTS))                                      priv->cache_dir, G_DIR_SEPARATOR,
2241                                        zoom, G_DIR_SEPARATOR,
2242                                        i, G_DIR_SEPARATOR,
2243                                        j,
2244                                        priv->image_format);
2245                        if (!g_file_test(filename, G_FILE_TEST_EXISTS))
2246                      {                      {
2247                          osm_gps_map_download_tile(map, zoom, i, j, FALSE);                          osm_gps_map_download_tile(map, zoom, i, j, FALSE);
2248                          num_tiles++;                          num_tiles++;
# Line 2001  int Line 2304  int
2304  osm_gps_map_set_zoom (OsmGpsMap *map, int zoom)  osm_gps_map_set_zoom (OsmGpsMap *map, int zoom)
2305  {  {
2306      int zoom_old;      int zoom_old;
2307      double factor = 1.0;      double factor = 0.0;
2308      int width_center, height_center;      int width_center, height_center;
2309      OsmGpsMapPrivate *priv;      OsmGpsMapPrivate *priv;
2310    
# Line 2072  osm_gps_map_add_image (OsmGpsMap *map, f Line 2375  osm_gps_map_add_image (OsmGpsMap *map, f
2375          //cache w/h for speed, and add image to list          //cache w/h for speed, and add image to list
2376          im = g_new0(image_t,1);          im = g_new0(image_t,1);
2377          im->w = gdk_pixbuf_get_width(image);          im->w = gdk_pixbuf_get_width(image);
2378          im->h = gdk_pixbuf_get_width(image);          im->h = gdk_pixbuf_get_height(image);
2379          im->pt.rlat = deg2rad(latitude);          im->pt.rlat = deg2rad(latitude);
2380          im->pt.rlon = deg2rad(longitude);          im->pt.rlon = deg2rad(longitude);
2381    
# Line 2085  osm_gps_map_add_image (OsmGpsMap *map, f Line 2388  osm_gps_map_add_image (OsmGpsMap *map, f
2388      }      }
2389  }  }
2390    
2391    gboolean
2392    osm_gps_map_remove_image (OsmGpsMap *map, GdkPixbuf *image)
2393    {
2394        OsmGpsMapPrivate *priv = map->priv;
2395        if (priv->images) {
2396            GSList *list;
2397            for(list = priv->images; list != NULL; list = list->next)
2398            {
2399                image_t *im = list->data;
2400                    if (im->image == image)
2401                    {
2402                            priv->images = g_slist_remove_link(priv->images, list);
2403                            g_object_unref(im->image);
2404                            g_free(im);
2405                            osm_gps_map_map_redraw_idle(map);
2406                            return TRUE;
2407                    }
2408            }
2409        }
2410        return FALSE;
2411    }
2412    
2413  void  void
2414  osm_gps_map_clear_images (OsmGpsMap *map)  osm_gps_map_clear_images (OsmGpsMap *map)
2415  {  {
# Line 2276  osm_gps_map_scroll (OsmGpsMap *map, gint Line 2601  osm_gps_map_scroll (OsmGpsMap *map, gint
2601      osm_gps_map_map_redraw_idle (map);      osm_gps_map_map_redraw_idle (map);
2602  }  }
2603    
2604    float
2605    osm_gps_map_get_scale(OsmGpsMap *map)
2606    {
2607        OsmGpsMapPrivate *priv;
2608    
2609        g_return_val_if_fail (OSM_IS_GPS_MAP (map), OSM_NAN);
2610        priv = map->priv;
2611    
2612        return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon);
2613    }
2614    

Legend:
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