From b007e9b5af68578e1c99529e89cd7877dfd6ebdd Mon Sep 17 00:00:00 2001
From: Alexsandersky <alexsanderskywork@gmail.com>
Date: Wed, 2 Mar 2016 11:22:23 +0400
Subject: [PATCH] new algorithm for maxScale in SKZoomingScrollView

---
 SKPhotoBrowser/SKZoomingScrollView.swift | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/SKPhotoBrowser/SKZoomingScrollView.swift b/SKPhotoBrowser/SKZoomingScrollView.swift
index cd6ebd7..1ffbcdd 100644
--- a/SKPhotoBrowser/SKZoomingScrollView.swift
+++ b/SKPhotoBrowser/SKZoomingScrollView.swift
@@ -113,7 +113,20 @@ public class SKZoomingScrollView: UIScrollView, UIScrollViewDelegate, SKDetectin
         let xScale = boundsSize.width / imageSize.width
         let yScale = boundsSize.height / imageSize.height
         let minScale: CGFloat = min(xScale, yScale)
-        var maxScale: CGFloat = 1.0
+        var maxScale: CGFloat!
+
+        let deviceScreenWidth = UIScreen.mainScreen().bounds.width
+        
+        if photoImageView.frame.width < deviceScreenWidth {
+            if deviceScreenWidth / 2 > photoImageView.frame.width {
+                maxScale = 3.0
+            } else {
+                maxScale = 2.0
+            }
+        } else {
+            maxScale = 1.0
+        }
+
         
         maximumZoomScale = maxScale
         minimumZoomScale = minScale