/**
* Process selected files and try to generate waypoints storing them in the given vtl
*/
static gboolean datasource_geotag_process ( VikTrwLayer *vtl, ProcessOptions *po, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw, gpointer not_used )
{
datasource_geotag_user_data_t *user_data = (datasource_geotag_user_data_t *)adw->user_data;
// Process selected files
// In prinicple this loading should be quite fast and so don't need to have any progress monitoring
GSList *cur_file = user_data->filelist;
while ( cur_file ) {
gchar *filename = cur_file->data;
gchar *name;
VikWaypoint *wp = a_geotag_create_waypoint_from_file ( filename, vik_viewport_get_coord_mode ( adw->vvp ), &name );
if ( wp ) {
// Create name if geotag method didn't return one
if ( !name )
name = g_strdup ( a_file_basename ( filename ) );
vik_trw_layer_filein_add_waypoint ( vtl, name, wp );
g_free ( name );
}
else {
gchar* msg = g_strdup_printf ( _("Unable to create waypoint from %s"), filename );
vik_window_statusbar_update ( adw->vw, msg, VIK_STATUSBAR_INFO );
g_free (msg);
}
g_free ( filename );
cur_file = g_slist_next ( cur_file );
}
/* Free memory */
g_slist_free ( user_data->filelist );
// No failure
return TRUE;
}
/**
* Load a single JPG into a Trackwaypoint Layer as a waypoint
*
* @top: The Aggregate layer that a new TRW layer may be created in
* @filename: The JPG filename
* @vvp: The viewport
*
* Returns: Whether the loading was a success or not
*
* If the JPG has geotag information then the waypoint will be created with the appropriate position.
* Otherwise the waypoint will be positioned at the current screen center.
* If a TRW layer is already selected the waypoint will be created in that layer.
*/
gboolean a_jpg_load_file ( VikAggregateLayer *top, const gchar *filename, VikViewport *vvp )
{
gboolean auto_zoom = TRUE;
VikWindow *vw = (VikWindow *)(VIK_GTK_WINDOW_FROM_LAYER(VIK_LAYER(top)));
VikLayersPanel *vlp = vik_window_layers_panel ( vw );
// Auto load into TrackWaypoint layer if one is selected
VikLayer *vtl = vik_layers_panel_get_selected ( vlp );
gboolean create_layer = FALSE;
if ( vtl == NULL || vtl->type != VIK_LAYER_TRW ) {
// Create layer if necessary
vtl = vik_layer_create ( VIK_LAYER_TRW, vvp, FALSE );
vik_layer_rename ( vtl, a_file_basename ( filename ) );
create_layer = TRUE;
}
gchar *name = NULL;
VikWaypoint *wp = NULL;
#ifdef VIK_CONFIG_GEOTAG
wp = a_geotag_create_waypoint_from_file ( filename, vik_viewport_get_coord_mode (vvp), &name );
#endif
if ( wp ) {
// Create name if geotag method didn't return one
if ( !name )
name = g_strdup ( a_file_basename ( filename ) );
vik_trw_layer_filein_add_waypoint ( VIK_TRW_LAYER(vtl), name, wp );
g_free ( name );
}
else {
wp = vik_waypoint_new ();
wp->visible = TRUE;
vik_trw_layer_filein_add_waypoint ( VIK_TRW_LAYER(vtl), (gchar*) a_file_basename(filename), wp );
vik_waypoint_set_image ( wp, filename );
// Simply set position to the current center
wp->coord = *( vik_viewport_get_center ( vvp ) );
auto_zoom = FALSE;
}
// Complete the setup
vik_layer_post_read ( vtl, vvp, TRUE );
if ( create_layer )
vik_aggregate_layer_add_layer ( top, vtl, FALSE );
if ( auto_zoom )
vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vvp );
// ATM This routine can't fail
return TRUE;
}
/**
* Correlate the image to any track within the TrackWaypoint layer
*/
static void trw_layer_geotag_process ( geotag_options_t *options )
{
if ( !options->vtl || !IS_VIK_LAYER(options->vtl) )
return;
if ( !options->image )
return;
gboolean has_gps_exif = FALSE;
gchar* datetime = a_geotag_get_exif_date_from_file ( options->image, &has_gps_exif );
if ( datetime ) {
// If image already has gps info - don't attempt to change it.
if ( !options->ov.overwrite_gps_exif && has_gps_exif ) {
if ( options->ov.create_waypoints ) {
// Create waypoint with file information
gchar *name = NULL;
VikWaypoint *wp = a_geotag_create_waypoint_from_file ( options->image, vik_trw_layer_get_coord_mode (options->vtl), &name );
if ( !name )
name = g_strdup ( a_file_basename ( options->image ) );
vik_trw_layer_filein_add_waypoint ( options->vtl, name, wp );
g_free ( name );
// Mark for redraw
options->redraw = TRUE;
}
g_free ( datetime );
return;
}
options->PhotoTime = ConvertToUnixTime ( datetime, EXIF_DATE_FORMAT, options->ov.TimeZoneHours, options->ov.TimeZoneMins);
g_free ( datetime );
// Apply any offset
options->PhotoTime = options->PhotoTime + options->ov.time_offset;
options->found_match = FALSE;
if ( options->track ) {
// Single specified track
// NB Doesn't care about track name
trw_layer_geotag_track ( NULL, options->track, options );
}
else {
// Try all tracks
GHashTable *tracks = vik_trw_layer_get_tracks ( options->vtl );
if ( g_hash_table_size (tracks) > 0 ) {
g_hash_table_foreach ( tracks, (GHFunc) trw_layer_geotag_track, options );
}
}
// Match found ?
if ( options->found_match ) {
if ( options->ov.create_waypoints ) {
// Create waypoint with found position
gchar *name = NULL;
VikWaypoint *wp = a_geotag_create_waypoint_positioned ( options->image, options->coord, options->altitude, &name );
if ( !name )
name = g_strdup ( a_file_basename ( options->image ) );
vik_trw_layer_filein_add_waypoint ( options->vtl, name, wp );
g_free ( name );
// Mark for redraw
options->redraw = TRUE;
}
// Write EXIF if specified
if ( options->ov.write_exif ) {
a_geotag_write_exif_gps ( options->image, options->coord, options->altitude, options->ov.no_change_mtime );
}
}
}
}
