static void georef_layer_export_params ( gpointer *pass_along[2] )
{
VikGeorefLayer *vgl = VIK_GEOREF_LAYER(pass_along[0]);
GtkWidget *file_selector = gtk_file_chooser_dialog_new (_("Choose World file"),
NULL,
GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
if ( gtk_dialog_run ( GTK_DIALOG ( file_selector ) ) == GTK_RESPONSE_ACCEPT )
{
FILE *f = g_fopen ( gtk_file_chooser_get_filename ( GTK_FILE_CHOOSER(file_selector) ), "w" );
gtk_widget_destroy ( file_selector );
if ( !f )
{
a_dialog_error_msg ( VIK_GTK_WINDOW_FROM_WIDGET(pass_along[0]), _("The file you requested could not be opened for writing.") );
return;
}
else
{
fprintf ( f, "%f\n%f\n%f\n%f\n%f\n%f\n", vgl->mpp_easting, vgl->mpp_northing, 0.0, 0.0, vgl->corner.easting, vgl->corner.northing );
fclose ( f );
f = NULL;
}
}
else
gtk_widget_destroy ( file_selector );
}
static VikGeorefLayer *georef_layer_new ( VikViewport *vvp )
{
VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( g_object_new ( VIK_GEOREF_LAYER_TYPE, NULL ) );
vik_layer_set_type ( VIK_LAYER(vgl), VIK_LAYER_GEOREF );
// Since GeoRef layer doesn't use uibuilder
// initializing this way won't do anything yet..
vik_layer_set_defaults ( VIK_LAYER(vgl), vvp );
// Make these defaults based on the current view
vgl->mpp_northing = vik_viewport_get_ympp ( vvp );
vgl->mpp_easting = vik_viewport_get_xmpp ( vvp );
vik_coord_to_utm ( vik_viewport_get_center ( vvp ), &(vgl->corner) );
vgl->image = NULL;
vgl->pixbuf = NULL;
vgl->click_x = -1;
vgl->click_y = -1;
vgl->scaled = NULL;
vgl->scaled_width = 0;
vgl->scaled_height = 0;
vgl->ll_br.lat = 0.0;
vgl->ll_br.lon = 0.0;
vgl->alpha = 255;
return vgl;
}
static void georef_layer_goto_center ( gpointer vgl_vlp[2] )
{
VikGeorefLayer *vgl = VIK_GEOREF_LAYER ( vgl_vlp[0] );
VikViewport *vp = vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1]));
struct UTM utm;
VikCoord coord;
vik_coord_to_utm ( vik_viewport_get_center ( vp ), &utm );
utm.easting = vgl->corner.easting + (vgl->width * vgl->mpp_easting / 2); /* only an approximation */
utm.northing = vgl->corner.northing - (vgl->height * vgl->mpp_northing / 2);
vik_coord_load_from_utm ( &coord, vik_viewport_get_coord_mode ( vp ), &utm );
vik_viewport_set_center_coord ( vp, &coord );
vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) );
}
static void georef_layer_zoom_to_fit ( gpointer vgl_vlp[2] )
{
vik_viewport_set_xmpp ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])), VIK_GEOREF_LAYER(vgl_vlp[0])->mpp_easting );
vik_viewport_set_ympp ( vik_layers_panel_get_viewport(VIK_LAYERS_PANEL(vgl_vlp[1])), VIK_GEOREF_LAYER(vgl_vlp[0])->mpp_northing );
vik_layers_panel_emit_update ( VIK_LAYERS_PANEL(vgl_vlp[1]) );
}
