1 files changed, 52 insertions, 28 deletions

diff --git a/type/Default.class.php b/type/Default.class.php
index 514d1c1..c9220fa 100644
--- a/type/Default.class.php
+++ b/type/Default.class.php
@@ -36,6 +36,7 @@ class Type_Default {
                 if (empty($this->width)) $this->width = $config['width'];
                 $this->heigth = GET('y');
                 if (empty($this->heigth)) $this->heigth = $config['heigth'];
+                $this->graph_type = $config['graph_type'];
         }
 
         function rainbow_colors() {
@@ -108,6 +109,13 @@ class Type_Default {
                 return str_replace(':', '\:', $value);
         }
 
+        function parse_filename($file) {
+                if ($this->graph_type == 'canvas') {
+                        $file = 'rrd' . str_replace($this->datadir, '', $file);
+                }
+                return $this->rrd_escape($file);
+        }
+
         function rrd_files() {
                 $files = $this->get_filenames();
 
@@ -153,35 +161,51 @@ class Type_Default {
                 return $files;
         }
 
-        function rrd_graph($debug=false) {
+        function rrd_graph($debug = false) {
                 if (!$this->colors)
                         $this->rainbow_colors();
 
                 $graphdata = $this->rrd_gen_graph();
 
-                if(!$debug) {
-                        # caching
-                        if (is_numeric($this->cache) && $this->cache > 0)
-                                header("Expires: " . date(DATE_RFC822,strtotime($this->cache." seconds")));
-                        header("content-type: image/png");
-                        $graphdata = implode(' ', $graphdata);
-                        echo `$graphdata`;
-                } elseif ($debug == 'cmd') {
-                        print '<pre>';
-                        foreach ($graphdata as $d) {
-                                printf("%s \\\n", $d);
-                        }
-                        print '</pre>';
-                } else {
-                        print '<pre>';
-                        print_r($graphdata);
-                        print '</pre>';
+                $style = $debug !== false ? $debug : $this->graph_type;
+                switch ($style) {
+                        case 'cmd':
+                                print '<pre>';
+                                foreach ($graphdata as $d) {
+                                        printf("%s \\\n", $d);
+                                }
+                                print '</pre>';
+                        break;
+                        case 'canvas':
+                                printf('<canvas id="%s" class="rrd">', sha1(serialize($graphdata)));
+                                foreach ($graphdata as $d) {
+                                        printf("%s\n", $d);
+                                }
+                                print '</canvas>';
+                        break;
+                        case 'debug':
+                        case 1:
+                                print '<pre>';
+                                print_r($graphdata);
+                                print '</pre>';
+                        break;
+                        case 'png':
+                        default:
+                                # caching
+                                if (is_numeric($this->cache) && $this->cache > 0)
+                                        header("Expires: " . date(DATE_RFC822,strtotime($this->cache." seconds")));
+                                header("content-type: image/png");
+                                $graphdata = implode(' ', $graphdata);
+                                echo `$graphdata`;
+                        break;
                 }
         }
 
         function rrd_options() {
-                $rrdgraph[] = $this->rrdtool;
-                $rrdgraph[] = 'graph - -a PNG';
+                if ($this->graph_type != 'canvas') {
+                        $rrdgraph[] = $this->rrdtool;
+                        $rrdgraph[] = 'graph - -a PNG';
+                }
                 if ($this->rrdtool_opts != '')
                         $rrdgraph[] = $this->rrdtool_opts;
                 $rrdgraph[] = sprintf('-w %d', is_numeric($this->width) ? $this->width : 400);
@@ -260,9 +284,9 @@ class Type_Default {
                 $i=0;
                 foreach ($this->tinstances as $tinstance) {
                         foreach ($this->data_sources as $ds) {
-                                $rrdgraph[] = sprintf('DEF:min_%s%s="%s":%s:MIN', crc32hex($sources[$i]), $raw, $this->rrd_escape($this->files[$tinstance]), $ds);
-                                $rrdgraph[] = sprintf('DEF:avg_%s%s="%s":%s:AVERAGE', crc32hex($sources[$i]), $raw, $this->rrd_escape($this->files[$tinstance]), $ds);
-                                $rrdgraph[] = sprintf('DEF:max_%s%s="%s":%s:MAX', crc32hex($sources[$i]), $raw, $this->rrd_escape($this->files[$tinstance]), $ds);
+                                $rrdgraph[] = sprintf('DEF:min_%s%s=%s:%s:MIN', crc32hex($sources[$i]), $raw, $this->parse_filename($this->files[$tinstance]), $ds);
+                                $rrdgraph[] = sprintf('DEF:avg_%s%s=%s:%s:AVERAGE', crc32hex($sources[$i]), $raw, $this->parse_filename($this->files[$tinstance]), $ds);
+                                $rrdgraph[] = sprintf('DEF:max_%s%s=%s:%s:MAX', crc32hex($sources[$i]), $raw, $this->parse_filename($this->files[$tinstance]), $ds);
                                 $i++;
                         }
                 }
@@ -292,11 +316,11 @@ class Type_Default {
                 foreach ($sources as $source) {
                         $dsname = $this->ds_names[$source] != '' ? $this->ds_names[$source] : $source;
                         $color = is_array($this->colors) ? (isset($this->colors[$source])?$this->colors[$source]:$this->colors[$c++]): $this->colors;
-                        $rrdgraph[] = sprintf('LINE1:avg_%s#%s:\'%s\'', crc32hex($source), $this->validate_color($color), $this->rrd_escape($dsname));
-                        $rrdgraph[] = sprintf('GPRINT:min_%s:MIN:\'%s Min,\'', crc32hex($source), $this->rrd_format);
-                        $rrdgraph[] = sprintf('GPRINT:avg_%s:AVERAGE:\'%s Avg,\'', crc32hex($source), $this->rrd_format);
-                        $rrdgraph[] = sprintf('GPRINT:max_%s:MAX:\'%s Max,\'', crc32hex($source), $this->rrd_format);
-                        $rrdgraph[] = sprintf('GPRINT:avg_%s:LAST:\'%s Last\\l\'', crc32hex($source), $this->rrd_format);
+                        $rrdgraph[] = sprintf('"LINE1:avg_%s#%s:%s"', crc32hex($source), $this->validate_color($color), $this->rrd_escape($dsname));
+                        $rrdgraph[] = sprintf('"GPRINT:min_%s:MIN:%s Min,"', crc32hex($source), $this->rrd_format);
+                        $rrdgraph[] = sprintf('"GPRINT:avg_%s:AVERAGE:%s Avg,"', crc32hex($source), $this->rrd_format);
+                        $rrdgraph[] = sprintf('"GPRINT:max_%s:MAX:%s Max,"', crc32hex($source), $this->rrd_format);
+                        $rrdgraph[] = sprintf('"GPRINT:avg_%s:LAST:%s Last\\l"', crc32hex($source), $this->rrd_format);
                 }
 
                 return $rrdgraph;