issue112, enhanced preload functions for photo-index

[phpfspot.git] / phpfspot.class.php

diff --git a/phpfspot.class.php b/phpfspot.class.php
index 7cc4e19ec506655a4730b2f163540e6b19c70cb3..be752eedda5fbd7368de4f6d5a08535a2790c3b2 100644 (file)
--- 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>, ";
          }
 
       }