Adding option which defaults to 1. Set to 2 to get a twice as large image. Useful for Retina displays. Basically a shortcut to enlarge the image. #25

webroot/img.php

@@ -463,6 +463,15 @@ verbose("json = $outputFormat");
 
 
 
+/**
+ * ppi - change to get larger image to easier support larger ppi, such as retina.
+ */
+$ppi = get('ppi', 1);
+
+verbose("ppi = $ppi");
+
+
+
 /**
  * Display image if verbose mode
  */
@@ -522,6 +531,7 @@ $img->setVerbose($verbose)
 
             // Output format
             'outputFormat' => $outputFormat,
+            'ppi'          => $ppi,
         )
     )
     ->loadImageDetails()