}
void
-xrchart_draw_histogram (const struct chart_item *chart_item, cairo_t *cr,
+xrchart_draw_histogram (const struct chart *chart, cairo_t *cr,
struct xrchart_geometry *geom)
{
- struct histogram_chart *h = to_histogram_chart (chart_item);
+ struct histogram_chart *h = to_histogram_chart (chart);
int i;
int bins;
xrchart_write_title (cr, geom, _("HISTOGRAM"));
xrchart_write_ylabel (cr, geom, _("Frequency"));
- xrchart_write_xlabel (cr, geom, chart_item_get_title (chart_item));
+ xrchart_write_xlabel (cr, geom, chart_get_title (chart));
if (h->gsl_hist == NULL)
{