use Math.round(reduce) in image call

diff --git a/plack/lib/Plack/App/BookReader.pm b/plack/lib/Plack/App/BookReader.pm
index 119f6d1..5d64955 100644 (file)
--- a/plack/lib/Plack/App/BookReader.pm
+++ b/plack/lib/Plack/App/BookReader.pm
@@ -113,7 +113,7 @@ br.getPageURI = function(index, reduce, rotate) {
     // reduce and rotate are ignored in this simple implementation, but we
     // could e.g. look at reduce and load images from a different directory
     // or pass the information to an image server
-       var url = pages[index][0] + '?reduce='+reduce;
+       var url = pages[index][0] + '?reduce='+Math.round(reduce);
        console.debug('getPageURI', index, reduce, rotate, url);
     return url;
 }