Throw an exception when a font is not found.

Author: BernardoSilva

src/FontLib/Exception/FontNotFoundException.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace FontLib\Exception;
+
+class FontNotFoundException extends \Exception
+{
+    public function __construct($fontPath)
+    {
+        $this->message = 'Font not found in: ' . $fontPath;
+    }
+}

src/FontLib/Font.php

@@ -8,6 +8,8 @@
 
 namespace FontLib;
 
+use FontLib\Exception\FontNotFoundException;
+
 /**
  * Generic font file.
  *
@@ -22,6 +24,10 @@ class Font {
    * @return TrueType\File|null $file
    */
   public static function load($file) {
+      if(!file_exists($file)){
+          throw new FontNotFoundException($file);
+      }
+
     $header = file_get_contents($file, false, null, null, 4);
     $class  = null;