From 1c63c96f0415ed2a1c65f6b438b24e3be8903904 Mon Sep 17 00:00:00 2001
From: Dominik Picheta <dominikpicheta@googlemail.com>
Date: Tue, 19 Aug 2014 15:56:23 +0100
Subject: [PATCH] Increase viewport bounds slightly for rotation.

---
 src/drawer.js | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/drawer.js b/src/drawer.js
index 64d2b671..248266ba 100644
--- a/src/drawer.js
+++ b/src/drawer.js
@@ -405,12 +405,10 @@ function updateViewport( drawer ) {
     }
     else if (degrees !== 0) {
         var orthBounds = viewportBounds.rotate(90);
-        var halfWidth = orthBounds.width / 2;
-        var halfHeight = orthBounds.height / 2;
-        viewportBounds.x -= halfWidth / 2;
-        viewportBounds.y -= halfHeight / 2;
-        viewportBounds.width += halfWidth;
-        viewportBounds.height += halfHeight;
+        viewportBounds.x -= orthBounds.width / 2;
+        viewportBounds.y -= orthBounds.height / 2;
+        viewportBounds.width += orthBounds.width;
+        viewportBounds.height += orthBounds.height;
         viewportTL = viewportBounds.getTopLeft();
         viewportBR = viewportBounds.getBottomRight();
     }