Changeset 573 for trunk/web2

Timestamp:

01/29/09 13:32:32 (15 years ago)

Author:

ramonb

Message:

job_monarch/libtoga.php:

• made clusterimage background transparent
• added drop shadows to nodes in clusterimage
• nodes seperated by 1 empty pixels in clusterimage

job_monarch/conf.php:

• altered settings to display new clusterimage nicer

Location:

trunk/web2/addons/job_monarch

Files:

• conf.php (modified) (1 diff)
• libtoga.php (modified) (4 diffs)

trunk/web2/addons/job_monarch/conf.php

@@ -41 +41 @@
 // (250 pixels is same width as Ganglia's pie chart)
 //
-$BIG_CLUSTERIMAGE_MAXWIDTH = 500;
+$BIG_CLUSTERIMAGE_MAXWIDTH = 700;
 
-// The size of a single node in the small clusterimage
+// The size of a single node in the big clusterimage
 //
-$BIG_CLUSTERIMAGE_NODEWIDTH = 11;
+$BIG_CLUSTERIMAGE_NODEWIDTH = 14;
 
 // Max size of small host image

trunk/web2/addons/job_monarch/libtoga.php

@@ -1192 +1192 @@
                 $this->size     = $BIG_CLUSTERIMAGE_NODEWIDTH;
 
+                $this->drawShadow();
                 $this->draw();
+        }
+
+        function drawShadow()
+        {
+                // offset of drop shadow from top left
+                //
+                $ds_offset      = 5;
+ 
+                // number of steps from black to background color
+                //
+                $ds_steps       = 15;
+
+                // distance between steps
+                //
+                $ds_spread = 1;
+
+                // define the background color
+                //
+                $background = array("r" => 255, "g" => 255, "b" => 255);
+
+                // create a new canvas.  New canvas dimensions should be larger than the original's
+                //
+                $width  = $this->size + $ds_offset;
+                $height = $this->size + $ds_offset;
+
+                // determine the offset between colors
+                //
+                $step_offset = array("r" => ($background["r"] / $ds_steps), "g" => ($background["g"] / $ds_steps), "b" => ($background["b"] / $ds_steps));
+
+                // calculate and allocate the needed colors
+                //
+                $current_color = $background;
+
+                for ($i = 0; $i <= $ds_steps ; $i++)
+                {
+                        $colors[$i] = imagecolorallocate($this->image, round($current_color["r"]), round($current_color["g"]), round($current_color["b"]));
+
+                        $current_color["r"] -= $step_offset["r"];
+                        $current_color["g"] -= $step_offset["g"];
+                        $current_color["b"] -= $step_offset["b"];
+                }
+
+                // draw overlapping rectangles to create a drop shadow effect
+                //
+                for ($i = 3; $i < count($colors); $i++)
+                {
+                        imagefilledrectangle( $this->image, ($this->x + $ds_offset), ($this->y + $ds_offset), ($this->x + $width), ($this->y + $height), $colors[$i] );
+                        $width -= $ds_spread;
+                        $height -= $ds_spread;
+                }
         }
 
@@ -1202 +1253 @@
                 $size = $this->size;
 
-                imageFilledRectangle( $this->image, $this->x, $this->y, $this->x+($size), $this->y+($size), $black_color );
+                imageFilledRectangle( $this->image, $this->x, $this->y, $this->x+($size-2), $this->y+($size-2), $black_color );
 
                 if( $this->showinfo)
@@ -1219 +1270 @@
                         $load = $this->determineLoad(); 
                         $usecolor = $this->colorHex( load_color($load) );
-                        imageFilledRectangle( $this->image, $this->x+1, $this->y+1, $this->x+($size-1), $this->y+($size-1), $usecolor );
+                        imageFilledRectangle( $this->image, $this->x+1, $this->y+1, $this->x+($size-3), $this->y+($size-3), $usecolor );
                         if( $this->down )
                         {
@@ -1962 +2013 @@
                 $this->nodes    = &$nodes;
 
+                imageColorTransparent( $image, $colorwhite );
+
                 if ($this->output)
                 {