From 2cfbb448fb197837c063c377c042beb3ba704a52 Mon Sep 17 00:00:00 2001
From: moontear <gaida@DE-ADN-F1FW4S1.adesso.local>
Date: Mon, 15 Apr 2013 12:28:52 +0200
Subject: Added average color calculation of feeds' favicons for banded
 display.

---
 include/functions.php | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'include/functions.php')

diff --git a/include/functions.php b/include/functions.php
index e2357f6c0..1ae5bbbe2 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -508,8 +508,50 @@
 					}
 				}
 			}
+            return $icon_file;
 		}
 	}
+	
+	function calculate_avg_color($iconFile) {
+		
+		require_once "lib/floIcon.php";
+		
+		$imgInfo = @getimagesize($iconFile);
+        
+		if(strtolower($imgInfo['mime'])=='image/vnd.microsoft.icon') {
+			$ico = new floIcon();
+			@$ico->readICO($iconFile);
+			//TODO: error logging
+			if(count($ico->images)==0)
+				return null;
+			else {
+				$image = @$ico->images[count($ico->images)-1]->getImageResource();
+			}
+			$type = "ico";
+			}
+		elseif(strtolower($imgInfo['mime'])=='image/png') {
+            $image = imagecreatefrompng($iconFile);
+			$type = 'png';
+		}
+		elseif(strtolower($imgInfo['mime'])=='image/jpeg') {
+			$image = imagecreatefromjpeg($iconFile);
+			$type = 'jpg';
+		}
+		elseif(strtolower($imgInfo['mime'])=='image/gif') {
+			$image = imagecreatefromgif($iconFile);
+			$type = 'gif';
+		}
+		//TODO: error logging
+		if (is_null($image))
+			return null;
+		$width = imagesx($image);
+		$height = imagesy($image);
+		$pixel = imagecreatetruecolor(1, 1);
+		imagecopyresampled($pixel, $image, 0, 0, 0, 0, 1, 1, $width, $height);
+		$rgb = imagecolorat($pixel, 0, 0);
+		$color = imagecolorsforindex($pixel, $rgb);
+		return $color;
+	}
 
 	function print_select($id, $default, $values, $attributes = "") {
 		print "<select name=\"$id\" id=\"$id\" $attributes>";
-- 
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