From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Sat, 8 Mar 2003 18:44:06 +0000 (+0000)
Subject: don't display legends for [HV]RULEs out of graph bounds (rrdgraph)
X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=commitdiff_plain;h=c20f3bfc89a81e291b6374b6f414a1a4cac0a2e6;hp=ee0d1f510efa666471925532b507d4ec233ba7e1

don't display legends for [HV]RULEs out of graph bounds (rrdgraph)
-- Christophe Kalt <kalt@taranis.org>


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@190 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index 451e891..715f0dc 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -1358,6 +1358,16 @@ leg_place(image_desc_t *im)
 
     for(i=0;i<im->gdes_c;i++){
 	fill_last = fill;
+        
+        /* hid legends for rules which are not displayed */
+        
+	if (im->gdes[i].gf == GF_HRULE &&
+	    (im->gdes[i].yrule < im->minval || im->gdes[i].yrule > im->maxval))
+	    im->gdes[i].legend[0] = '\0';
+
+	if (im->gdes[i].gf == GF_VRULE &&
+	    (im->gdes[i].xrule < im->start || im->gdes[i].xrule > im->end))
+	    im->gdes[i].legend[0] = '\0';
 
 	leg_cc = strlen(im->gdes[i].legend);