diff --git a/lib/ImageResize.php b/lib/ImageResize.php
index 795d0cb..7ce3605 100644
--- a/lib/ImageResize.php
+++ b/lib/ImageResize.php
@@ -241,9 +241,9 @@ public function save($filename, $image_type = null, $quality = null, $permission
                 $background = imagecolorallocate($dest_image, 255, 255, 255);
                 imagefilledrectangle($dest_image, 0, 0, $exact_size[0], $exact_size[1], $background);
             } else{
-                $dest_image = imagecreatetruecolor($this->getDestWidth(), $this->getDestHeight());
+                $dest_image = imagecreatetruecolor((int) $this->getDestWidth(), (int) $this->getDestHeight());
                 $background = imagecolorallocate($dest_image, 255, 255, 255);
-                imagefilledrectangle($dest_image, 0, 0, $this->getDestWidth(), $this->getDestHeight(), $background);
+                imagefilledrectangle($dest_image, 0, 0, (int) $this->getDestWidth(), (int) $this->getDestHeight(), $background);
             }
             break;
 
@@ -337,12 +337,12 @@ public function save($filename, $image_type = null, $quality = null, $permission
             $this->source_image,
             $this->dest_x,
             $this->dest_y,
-            $this->source_x,
-            $this->source_y,
-            $this->getDestWidth(),
-            $this->getDestHeight(),
-            $this->source_w,
-            $this->source_h
+            (int) $this->source_x,
+            (int) $this->source_y,
+            (int) $this->getDestWidth(),
+            (int) $this->getDestHeight(),
+            (int) $this->source_w,
+            (int) $this->source_h
         );
 
         if ($this->gamma_correct) {
@@ -712,7 +712,7 @@ public function getSourceHeight()
     /**
      * Gets width of the destination image
      *
-     * @return integer
+     * @return integer|float
      */
     public function getDestWidth()
     {
@@ -721,7 +721,8 @@ public function getDestWidth()
 
     /**
      * Gets height of the destination image
-     * @return integer
+     *
+     * @return integer|float
      */
     public function getDestHeight()
     {