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=4cea71f2d1c0dd85acb04090e25e888190c8a2a5;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/1.3@1725 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c
index c4e8bf0d..63a4b2e1 100644
--- a/program/src/rrd_graph.c
+++ b/program/src/rrd_graph.c
@@ -3189,7 +3189,7 @@ int graph_paint(
                     if (im->gdes[i].yrule > 0) {
                         gfx_line(im,
                                  im->xorigin + ii,
-                                 im->yorigin,
+                                 im->yorigin + 1.0,
                                  im->xorigin + ii,
                                  im->yorigin -
                                  im->gdes[i].yrule *
@@ -3197,11 +3197,11 @@ int graph_paint(
                     } else if (im->gdes[i].yrule < 0) {
                         gfx_line(im,
                                  im->xorigin + ii,
-                                 im->yorigin - im->ysize,
+                                 im->yorigin - im->ysize - 1.0,
                                  im->xorigin + ii,
-                                 im->yorigin - (1 -
+                                 im->yorigin - im->ysize -
                                                 im->gdes[i].
-                                                yrule) *
+                                                yrule *
                                  im->ysize, 1.0, im->gdes[i].col);
                     }
                 }