Introduced isReachableFilePath() and isReadableFile().

[core.git] / inc / classes / main / images / extended / class_PngImage.php

diff --git a/inc/classes/main/images/extended/class_PngImage.php b/inc/classes/main/images/extended/class_PngImage.php
index a8184984f97ae7678bf7c3c59296f5301f8f0f1d..ec0b89f18dec2790596940d852ee09e3adc07392 100644 (file)
--- a/inc/classes/main/images/extended/class_PngImage.php
+++ b/inc/classes/main/images/extended/class_PngImage.php
@@ -2,11 +2,11 @@
 /**
  * A PNG image generator
  *
- * @author             Roland Haeder <webmaster@ship-simu.org>
+ * @author             Roland Haeder <webmaster@shipsimu.org>
  * @version            0.0.0
- * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2011 Core Developer Team
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
  * @license            GNU GPL 3.0 or any newer version
- * @link               http://www.ship-simu.org
+ * @link               http://www.shipsimu.org
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -65,7 +65,7 @@ class PngImage extends BaseImage {
                $cacheFile = $this->getTemplateInstance()->getImageCacheFqfn();
 
                // Does it exist?
-               if (file_exists($cacheFile)) {
+               if (BaseFrameworkSystem::isReadableFile($cacheFile)) {
                        // Remove it
                        @unlink($cacheFile);
                } // END - if