From 67f0eb35f6c3fe9bdda3cb585a0fe5e9ccb0e563 Mon Sep 17 00:00:00 2001
From: Andreas Unterkircher <unki@netshadow.at>
Date: Sat, 29 Mar 2008 08:57:49 +0100
Subject: issue108, a bit more color for tag-cloud

Signed-off-by: Andreas Unterkircher <unki@netshadow.at>
---
 phpfspot.class.php | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'phpfspot.class.php')

diff --git a/phpfspot.class.php b/phpfspot.class.php
index 7cc4e19..be752ee 100644
--- a/phpfspot.class.php
+++ b/phpfspot.class.php
@@ -586,6 +586,10 @@ class PHPFSPOT {
       $max_size = 125; // max font size in %
       $min_size = 75; // min font size in %
 
+      // color
+      $max_sat = hexdec('cc');
+      $min_sat = hexdec('44');
+
       // get the largest and smallest array values
       $max_qty = max(array_values($tags));
       $min_qty = min(array_values($tags));
@@ -599,6 +603,7 @@ class PHPFSPOT {
       // determine the font-size increment
       // this is the increase per tag quantity (times used)
       $step = ($max_size - $min_size)/($spread);
+      $step_sat = ($max_sat - $min_sat)/($spread);
 
       // loop through our tag array
       foreach ($tags as $key => $value) {
@@ -614,8 +619,14 @@ class PHPFSPOT {
           // uncomment if you want sizes in whole %:
          $size = ceil($size);
 
+         $color = $min_sat + ($value - $min_qty) * $step_sat;
+
+         $r = '44';
+         $g = dechex($color);
+         $b = '88';
+
          if(isset($this->tags[$key])) {
-            $output.= "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%;\">". $this->tags[$key] ."</a>, ";
+            $output.= "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%; color: #". $r.$g.$b .";\">". $this->tags[$key] ."</a>, ";
          }
 
       }
-- 
cgit v1.2.3-18-g5258