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.tokkee.org/?a=commitdiff_plain;h=74343867dc0c425d34a2f069f5b8c4dff32bc2ff;p=rrdtool-all.git

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@190 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c
index 451e8914..715f0dc7 100644
--- a/program/src/rrd_graph.c
+++ b/program/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);