static void
curvature_update_preview(CurvatureControls *controls,
CurvatureArgs *args)
{
GwyDataField *source, *mask = NULL;
GwySelection *selection;
Intersection i1[2], i2[2];
gboolean ok;
guint i;
source = gwy_container_get_object_by_name(controls->data, "/0/data");
selection = gwy_container_get_object_by_name(controls->data,
"/0/select/line");
gwy_container_gis_object_by_name(controls->data, "/0/mask", &mask);
ok = curvature_calculate(source, mask, args, controls->params, i1, i2);
for (i = 0; i < PARAM_NPARAMS; i++)
gwy_null_store_row_changed(controls->paramstore, i);
if (ok) {
curvature_set_selection(source, i1, i2, selection);
curvature_plot_graph(source, i1, i2, controls->gmodel);
gtk_label_set_text(GTK_LABEL(controls->warning), "");
}
else {
gwy_selection_clear(selection);
gwy_graph_model_remove_all_curves(controls->gmodel);
gtk_label_set_text(GTK_LABEL(controls->warning),
_("Axes are outside the image."));
}
update_target_graphs(controls);
}
static void
prof_separate_changed(ProfControls *controls)
{
ProfArgs *args = controls->args;
args->separate
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(controls->separate));
gtk_widget_set_sensitive(controls->target_hbox, !args->separate);
update_target_graphs(controls);
}
static void
axis_quantity_changed(GrainCrossControls *controls)
{
GtkTreeSelection *selection;
GwyGraphModel *gmodel;
GwyGrainValue *gvalue;
GtkTreeModel *model;
GtkTreeIter iter;
gboolean ok;
ok = TRUE;
selection = gtk_tree_view_get_selection(controls->abscissa);
if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
gtk_tree_model_get(model, &iter,
GWY_GRAIN_VALUE_STORE_COLUMN_ITEM, &gvalue,
-1);
controls->args->abscissa = gwy_resource_get_name(GWY_RESOURCE(gvalue));
}
else
ok = FALSE;
selection = gtk_tree_view_get_selection(controls->ordinate);
if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
gtk_tree_model_get(model, &iter,
GWY_GRAIN_VALUE_STORE_COLUMN_ITEM, &gvalue,
-1);
controls->args->ordinate = gwy_resource_get_name(GWY_RESOURCE(gvalue));
}
else
ok = FALSE;
gmodel = create_corr_graph(controls->args, controls->dfield);
gwy_graph_set_model(GWY_GRAPH(controls->graph), gmodel);
g_object_unref(gmodel);
gtk_dialog_set_response_sensitive(controls->dialog, GTK_RESPONSE_OK, ok);
update_target_graphs(controls);
}
