issue108, a bit more color for tag-cloud

Signed-off-by: Andreas Unterkircher <unki@netshadow.at>

2 files changed, 13 insertions, 1 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 9cf51cb..e226e78 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@ phpfspot (1.4)
   * feature, support PNG image format.
   * feature, auto-completion for tag-search.
   * feature, lightbox2 for photo preview out of the photo index.
+  * feature, a bit more color for tag-cloud.
   * bug, SQlite temporary directory can now be set in phpfspot_cfg.php
 
  -- Andreas Unterkircher <unki@netshadow.at>  Sat, 29 Mar 2008 11:00:00 +0100
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>, ";
          }
 
       }