From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Tue, 6 Jan 2009 15:45:53 +0000 (+0000)
Subject: TICK with negative numbers should 'start from the top of the graph' looking down... 
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=664b4189a03c713853dabc837c1e9e47f93d51f2;p=rrdtool-all.git

TICK with negative numbers should 'start from the top of the graph' looking down ... now it does.


git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2@1725 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c
index b7c3f12b..416b5d5f 100644
--- a/program/src/rrd_graph.c
+++ b/program/src/rrd_graph.c
@@ -2811,8 +2811,8 @@ graph_paint(image_desc_t *im, char ***calcpr)
                                    im -> gdes[i].col );
               } else if ( im -> gdes[i].yrule < 0 ) {
                       gfx_new_line(im->canvas,
-                                   im -> xorigin + ii, im->yorigin - im -> ysize,
-                                   im -> xorigin + ii, im->yorigin - ( 1 - im -> gdes[i].yrule ) * im -> ysize,
+                                   im -> xorigin + ii, im->yorigin - im->ysize,
+                                   im -> xorigin + ii, im->yorigin - im->ysize - im->gdes[i].yrule * im->ysize,
                                    1.0,
                                    im -> gdes[i].col );