static VikGeorefLayer *georef_layer_unmarshall( guint8 *data, gint len, VikViewport *vvp )
{
VikGeorefLayer *rv = georef_layer_new ( vvp );
vik_layer_unmarshall_params ( VIK_LAYER(rv), data, len, vvp );
if (rv->image) {
georef_layer_load_image ( rv, vvp, TRUE );
}
return rv;
}
VikGeorefLayer *vik_georef_layer_create ( VikViewport *vp,
VikLayersPanel *vlp,
const gchar *name,
GdkPixbuf *pixbuf,
VikCoord *coord_tl,
VikCoord *coord_br )
{
VikGeorefLayer *vgl = georef_layer_new ( vp );
vik_layer_rename ( VIK_LAYER(vgl), name );
vgl->pixbuf = pixbuf;
vik_coord_to_utm ( coord_tl, &(vgl->corner) );
vik_coord_to_latlon ( coord_br, &(vgl->ll_br) );
if ( vgl->pixbuf ) {
vgl->width = gdk_pixbuf_get_width ( vgl->pixbuf );
vgl->height = gdk_pixbuf_get_height ( vgl->pixbuf );
if ( vgl->width > 0 && vgl->height > 0 ) {
struct LatLon ll_tl;
vik_coord_to_latlon ( coord_tl, &ll_tl);
struct LatLon ll_br;
vik_coord_to_latlon ( coord_br, &ll_br);
VikCoordMode mode = vik_viewport_get_coord_mode (vp);
gdouble xmpp, ympp;
georef_layer_mpp_from_coords ( mode, ll_tl, ll_br, vgl->width, vgl->height, &xmpp, &ympp );
vgl->mpp_easting = xmpp;
vgl->mpp_northing = ympp;
goto_center_ll ( vp, ll_tl, ll_br);
// Set best zoom level
struct LatLon maxmin[2] = { ll_tl, ll_br };
vu_zoom_to_show_latlons ( vik_viewport_get_coord_mode(vp), vp, maxmin );
return vgl;
}
}
// Bad image
georef_layer_free ( vgl );
return NULL;
}
/* returns TRUE if OK was pressed. */
static gboolean georef_layer_dialog ( VikGeorefLayer **vgl, gpointer vp, GtkWindow *w )
{
GtkWidget *dialog = gtk_dialog_new_with_buttons (_("Layer Properties"),
w,
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_CANCEL,
GTK_RESPONSE_REJECT,
GTK_STOCK_OK,
GTK_RESPONSE_ACCEPT,
NULL );
/* Default to reject as user really needs to specify map file first */
gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT );
GtkWidget *response_w = NULL;
#if GTK_CHECK_VERSION (2, 20, 0)
response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_REJECT );
#endif
GtkWidget *table, *wfp_hbox, *wfp_label, *wfp_button, *ce_label, *ce_spin, *cn_label, *cn_spin, *xlabel, *xspin, *ylabel, *yspin, *imagelabel, *imageentry;
GtkWidget *pass_along[4];
table = gtk_table_new ( 6, 2, FALSE );
gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), table, TRUE, TRUE, 0 );
wfp_hbox = gtk_hbox_new ( FALSE, 0 );
wfp_label = gtk_label_new ( _("World File Parameters:") );
wfp_button = gtk_button_new_with_label ( _("Load From File...") );
gtk_box_pack_start ( GTK_BOX(wfp_hbox), wfp_label, TRUE, TRUE, 0 );
gtk_box_pack_start ( GTK_BOX(wfp_hbox), wfp_button, FALSE, FALSE, 3 );
ce_label = gtk_label_new ( _("Corner pixel easting:") );
ce_spin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, 0.0, 1500000.0, 1, 5, 0 ), 1, 4 );
gtk_widget_set_tooltip_text ( GTK_WIDGET(ce_spin), _("the UTM \"easting\" value of the upper-left corner pixel of the map") );
cn_label = gtk_label_new ( _("Corner pixel northing:") );
cn_spin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, 0.0, 9000000.0, 1, 5, 0 ), 1, 4 );
gtk_widget_set_tooltip_text ( GTK_WIDGET(cn_spin), _("the UTM \"northing\" value of the upper-left corner pixel of the map") );
xlabel = gtk_label_new ( _("X (easting) scale (mpp): "));
ylabel = gtk_label_new ( _("Y (northing) scale (mpp): "));
xspin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM, 1, 5, 0 ), 1, 8 );
gtk_widget_set_tooltip_text ( GTK_WIDGET(xspin), _("the scale of the map in the X direction (meters per pixel)") );
yspin = gtk_spin_button_new ( (GtkAdjustment *) gtk_adjustment_new ( 4, VIK_VIEWPORT_MIN_ZOOM, VIK_VIEWPORT_MAX_ZOOM, 1, 5, 0 ), 1, 8 );
gtk_widget_set_tooltip_text ( GTK_WIDGET(yspin), _("the scale of the map in the Y direction (meters per pixel)") );
imagelabel = gtk_label_new ( _("Map Image:") );
imageentry = vik_file_entry_new (GTK_FILE_CHOOSER_ACTION_OPEN);
if (*vgl)
{
gtk_spin_button_set_value ( GTK_SPIN_BUTTON(ce_spin), (*vgl)->corner.easting );
gtk_spin_button_set_value ( GTK_SPIN_BUTTON(cn_spin), (*vgl)->corner.northing );
gtk_spin_button_set_value ( GTK_SPIN_BUTTON(xspin), (*vgl)->mpp_easting );
gtk_spin_button_set_value ( GTK_SPIN_BUTTON(yspin), (*vgl)->mpp_northing );
if ( (*vgl)->image )
vik_file_entry_set_filename ( VIK_FILE_ENTRY(imageentry), (*vgl)->image );
}
else
{
VikCoord corner_coord;
struct UTM utm;
vik_viewport_screen_to_coord ( VIK_VIEWPORT(vp), 0, 0, &corner_coord );
vik_coord_to_utm ( &corner_coord, &utm );
gtk_spin_button_set_value ( GTK_SPIN_BUTTON(ce_spin), utm.easting );
gtk_spin_button_set_value ( GTK_SPIN_BUTTON(cn_spin), utm.northing );
gtk_spin_button_set_value ( GTK_SPIN_BUTTON(xspin), vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ) );
gtk_spin_button_set_value ( GTK_SPIN_BUTTON(yspin), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ) );
}
gtk_table_attach_defaults ( GTK_TABLE(table), imagelabel, 0, 1, 0, 1 );
gtk_table_attach_defaults ( GTK_TABLE(table), imageentry, 1, 2, 0, 1 );
gtk_table_attach_defaults ( GTK_TABLE(table), wfp_hbox, 0, 2, 1, 2 );
gtk_table_attach_defaults ( GTK_TABLE(table), xlabel, 0, 1, 2, 3 );
gtk_table_attach_defaults ( GTK_TABLE(table), xspin, 1, 2, 2, 3 );
gtk_table_attach_defaults ( GTK_TABLE(table), ylabel, 0, 1, 3, 4 );
gtk_table_attach_defaults ( GTK_TABLE(table), yspin, 1, 2, 3, 4 );
gtk_table_attach_defaults ( GTK_TABLE(table), ce_label, 0, 1, 4, 5 );
gtk_table_attach_defaults ( GTK_TABLE(table), ce_spin, 1, 2, 4, 5 );
gtk_table_attach_defaults ( GTK_TABLE(table), cn_label, 0, 1, 5, 6 );
gtk_table_attach_defaults ( GTK_TABLE(table), cn_spin, 1, 2, 5, 6 );
pass_along[0] = xspin;
pass_along[1] = yspin;
pass_along[2] = ce_spin;
pass_along[3] = cn_spin;
g_signal_connect_swapped ( G_OBJECT(wfp_button), "clicked", G_CALLBACK(georef_layer_dialog_load), pass_along );
if ( response_w )
gtk_widget_grab_focus ( response_w );
gtk_widget_show_all ( table );
if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) == GTK_RESPONSE_ACCEPT )
{
if (! *vgl)
{
*vgl = georef_layer_new ( VIK_VIEWPORT(vp) );
vik_layer_rename ( VIK_LAYER(*vgl), vik_georef_layer_interface.name );
}
(*vgl)->corner.easting = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(ce_spin) );
(*vgl)->corner.northing = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(cn_spin) );
(*vgl)->mpp_easting = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(xspin) );
(*vgl)->mpp_northing = gtk_spin_button_get_value ( GTK_SPIN_BUTTON(yspin) );
if ( (!(*vgl)->image) || strcmp( (*vgl)->image, vik_file_entry_get_filename(VIK_FILE_ENTRY(imageentry)) ) != 0 )
{
georef_layer_set_image ( *vgl, vik_file_entry_get_filename(VIK_FILE_ENTRY(imageentry)) );
georef_layer_load_image ( *vgl, VIK_VIEWPORT(vp), FALSE );
}
gtk_widget_destroy ( GTK_WIDGET(dialog) );
return TRUE;
}
gtk_widget_destroy ( GTK_WIDGET(dialog) );
return FALSE;
}
static VikGeorefLayer *georef_layer_create ( VikViewport *vp )
{
return georef_layer_new ( vp );
}
