From 786f0e715dc6fda1b4dc72e7033f280adde24283 Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Sat, 5 Jul 2014 14:14:29 +0200
Subject: type/default: optionally draw min/max spikes in a lighter color in
 graphs

Closes #73
---
 conf/config.php        | 3 +++
 type/Base.class.php    | 2 ++
 type/Default.class.php | 7 +++----
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/conf/config.php b/conf/config.php
index e40cc9f..30eaaf9 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -62,6 +62,9 @@ $CONFIG['percentile'] = false;
 # create smooth graphs (rrdtool -E)
 $CONFIG['graph_smooth'] = false;
 
+# draw min/max spikes in a lighter color in graphs with type default
+$CONFIG['graph_minmax'] = false;
+
 # browser cache time for the graphs (in seconds)
 $CONFIG['cache'] = 90;
 
diff --git a/type/Base.class.php b/type/Base.class.php
index 34e182f..5af4c29 100644
--- a/type/Base.class.php
+++ b/type/Base.class.php
@@ -24,6 +24,7 @@ class Type_Base {
 	var $negative_io;
 	var $percentile = false;
 	var $graph_smooth;
+	var $graph_minmax;
 
 	var $files;
 	var $tinstances;
@@ -57,6 +58,7 @@ class Type_Base {
 		$this->graph_type = $config['graph_type'];
 		$this->negative_io = $config['negative_io'];
 		$this->graph_smooth = $config['graph_smooth'];
+		$this->graph_minmax = $config['graph_minmax'];
 		$this->flush_socket = $config['socket'];
 		$this->flush_type = $config['flush_type'];
 	}
diff --git a/type/Default.class.php b/type/Default.class.php
index 9f3b97a..6e7efd9 100644
--- a/type/Default.class.php
+++ b/type/Default.class.php
@@ -35,13 +35,12 @@ class Type_Default extends Type_Base {
 			}
 		}
 
-		if(count($this->files)<=1) {
+		if ($this->graph_minmax) {
 			$c = 0;
 			foreach ($sources as $source) {
 				$color = is_array($this->colors) ? (isset($this->colors[$source])?$this->colors[$source]:$this->colors[$c++]): $this->colors;
-				$rrdgraph[] = sprintf('AREA:max_%s#%s', crc32hex($source), $this->get_faded_color($color));
-				$rrdgraph[] = sprintf('AREA:min_%s#%s', crc32hex($source), 'ffffff');
-				break; # only 1 area to draw
+				$rrdgraph[] = sprintf('LINE1:max_%s#%s', crc32hex($source), $this->get_faded_color($color));
+				$rrdgraph[] = sprintf('LINE1:min_%s#%s', crc32hex($source), $this->get_faded_color($color));
 			}
 		}
 
-- 
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