#define _(msgid) gettext (msgid)
void
-xrchart_draw_scree (const struct chart_item *chart_item, cairo_t *cr,
+xrchart_draw_scree (const struct chart *chart, cairo_t *cr,
struct xrchart_geometry *geom)
{
- const struct scree *rc = to_scree (chart_item);
+ const struct scree *rc = to_scree (chart);
size_t i;
double min, max;
gsl_vector_minmax (rc->eval, &min, &max);
- if ( fabs (max) > fabs (min))
+ if (fabs (max) > fabs (min))
max = fabs (max);
else
max = fabs (min);
- xrchart_write_yscale (cr, geom, 0, max, max);
- xrchart_write_xscale (cr, geom, 0, rc->eval->size + 1, rc->eval->size + 1);
+ if (! xrchart_write_yscale (cr, geom, 0, max))
+ return;
+ if (! xrchart_write_xscale (cr, geom, 0, rc->eval->size + 1))
+ return;
xrchart_vector_start (cr, geom, "");
for (i = 0 ; i < rc->eval->size; ++i)