From: thurban <ThomasUrban@urban-software.de>
Date: Mon, 1 May 2023 09:09:12 +0000 (+0200)
Subject: Fix for overlapping areas in transparent mode (#1226)
X-Git-Tag: v1.9.0~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d8923c5c01904880c218fd94844eb8ea21f815f0;p=thirdparty%2Frrdtool-1.x.git

Fix for overlapping areas in transparent mode (#1226)

* Fix for overlapping areas in transparent mode
---

diff --git a/CHANGES b/CHANGES
index f5dbe3ca..e8d3239d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,7 @@ RRDtool - master ...
 
 Bugfixes
 --------
+* Fix ytop and ybase adjustments for overlaping area issue on transparent areas <turban>
 * Suppress warnings of implicit fall through <youpong>
 * Update tarball download link in doc <c72578>
 * Fix unsigned integer overflow in rrdtool first. Add test for rrd_first() <c72578>
diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index 2d7fb170..b32d4508 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -4295,14 +4295,14 @@ int graph_paint_timestring(
                             ybase = extra;
                         }
                         if (im->slopemode == 0) {
-                            backY[++idxI] = ybase - 0.2;
+                            backY[++idxI] = ybase;
                             backX[idxI] = ii + im->xorigin - 1;
-                            foreY[idxI] = ytop + 0.2;
+                            foreY[idxI] = ytop;
                             foreX[idxI] = ii + im->xorigin - 1;
                         }
-                        backY[++idxI] = ybase - 0.2;
+                        backY[++idxI] = ybase;
                         backX[idxI] = ii + im->xorigin;
-                        foreY[idxI] = ytop + 0.2;
+                        foreY[idxI] = ytop;
                         foreX[idxI] = ii + im->xorigin;
                     }
                     /* close up any remaining area */