set rounded line join

diff --git a/src/graph.c b/src/graph.c
index a0093d8..5df551c 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -158,6 +158,7 @@ static void draw_sensor_curve(struct psensor *s,
                             s->color->f_red,
                             s->color->f_green,
                             s->color->f_blue);
+       cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
        cairo_set_line_width(cr, 1);
 
        for (i = 0; i < s->values_max_length; i++) {