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src/Tools/Image.php

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+<?php
+
+class Core_Tools_Image
+{    
+    static function load($uri)
+    {
+        $e = strtolower(pathinfo($uri, PATHINFO_EXTENSION));
+        switch ($e) {
+            case 'png': return imagecreatefrompng($uri);
+            case 'jpeg': case 'jpg': return imagecreatefromjpeg($uri);
+            case 'gif': return imagecreatefromgif($uri);
+        }
+    }        
+
+    static function fit($image, $prewidth, $preheight, $force = true)
+    {
+        $width = imagesx($image);
+        $height = imagesy($image);    
+
+        $percent = min($prewidth / $width, $preheight / $height);
+        if ($percent > 1 && !$force) $percent = 1;
+        $new_width = $width * $percent;
+        $new_height = $height * $percent;
+        
+
+        $image_p = imagecreatetruecolor($new_width, $new_height);
+        imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
+        return $image_p;
+    }
+
+    static function save($image, $uri)
+    {
+        $e = strtolower(pathinfo($uri, PATHINFO_EXTENSION));
+        switch ($e) {
+            case 'jpg': imagejpeg($image, $uri, 100); break;
+            case 'png': imagepng($image, $uri); break;
+            case 'gif': imagegif($image, $uri); break;
+        }
+    }
+}