From 6d3b582e5898623c4eeb0993967b77150eb20187 Mon Sep 17 00:00:00 2001
From: Shaun Whitely <albinoshaun@hotmail.com>
Date: Sat, 29 Aug 2015 16:46:56 +1000
Subject: [PATCH] Removed allowZoomToConstraintsOnResize and made the new
 resize behaviour the default

---
 src/openseadragon.js |  6 ------
 src/viewer.js        | 30 +++++++-----------------------
 2 files changed, 7 insertions(+), 29 deletions(-)

diff --git a/src/openseadragon.js b/src/openseadragon.js
index d2235381..6eb8d09a 100644
--- a/src/openseadragon.js
+++ b/src/openseadragon.js
@@ -255,11 +255,6 @@
   * @property {Boolean} [preserveImageSizeOnResize=false]
   *     Set to true to have the image size preserved when the viewer is resized. This requires autoResize=true (default).
   *
-  * @property {Boolean} [allowZoomToConstraintsOnResize=false]
-  *     Set to true to allow the image to remain zoomed out past the home zoom level during resize.
-  *     If false the image will be zoomed in if necessary such that it touches the edge of the viewer.
-  *     This requires autoResize=true (default).
-  *
   * @property {Number} [pixelsPerWheelLine=40]
   *     For pixel-resolution scrolling devices, the number of pixels equal to one scroll line.
   *
@@ -1000,7 +995,6 @@ window.OpenSeadragon = window.OpenSeadragon || function( options ){
             pixelsPerWheelLine:     40,
             autoResize:             true,
             preserveImageSizeOnResize: false, // requires autoResize=true
-            allowZoomToConstraintsOnResize: false, // requires autoResize=true
 
             //DEFAULT CONTROL SETTINGS
             showSequenceControl:     true,  //SEQUENCE
diff --git a/src/viewer.js b/src/viewer.js
index 0ed8b9ed..1e2a2a9d 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -2947,31 +2947,15 @@ function resizeViewportAndRecenter( viewer, containerSize, oldBounds, oldCenter
 
     viewport.resize( containerSize, true );
 
-    var newWidth = oldBounds.width;
-    var newHeight = oldBounds.height;
-
-    if (!viewer.allowZoomToConstraintsOnResize) {
-        var worldBounds = viewer.world.getHomeBounds();
-        if (oldBounds.width > worldBounds.width) {
-            newWidth = worldBounds.width;
-        }
-        if (oldBounds.height > worldBounds.height) {
-            newHeight = worldBounds.height;
-        }
-    }
-
     var newBounds = new $.Rect(
-        oldCenter.x - ( newWidth / 2.0 ),
-        oldCenter.y - ( newHeight / 2.0 ),
-        newWidth,
-        newHeight
-        );
+        oldCenter.x - ( oldBounds.width / 2.0 ),
+        oldCenter.y - ( oldBounds.height / 2.0 ),
+        oldBounds.width,
+        oldBounds.height
+    );
 
-    if (viewer.allowZoomToConstraintsOnResize) {
-        viewport.fitBoundsWithConstraints( newBounds, true );
-    } else {
-        viewport.fitBounds( newBounds, true );
-    }
+    // let the viewport decide if the bounds are too big or too small
+    viewport.fitBoundsWithConstraints( newBounds, true );
 }
 
 function drawWorld( viewer ) {