Manually calculating the current scroll view center instead of relying on the convertPoint:toView: method to prevent the wrong currentPage to be calculated when the view is not visible.

Author: stefanceriu

SCPageViewController.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'SCPageViewController'
-  s.version  = '2.0.7'
+  s.version  = '2.0.8'
   s.platform = :ios
   s.ios.deployment_target = '5.0'
 

SCPageViewController/SCPageViewController.m

@@ -776,7 +776,10 @@ - (NSUInteger)_calculateCurrentPage
 		NSUInteger pageIndex = [pages indexOfObject:sortedPages[i]];
 
 		CGRect frame = [self.layouter finalFrameForPageAtIndex:pageIndex pageViewController:self];
-		CGPoint centerOffset = [self.view convertPoint:self.scrollView.center toView:self.scrollView];
+		
+        CGPoint centerOffset = self.scrollView.contentOffset;
+        centerOffset.x += CGRectGetWidth(self.scrollView.bounds) / 2.0f;
+        centerOffset.y += CGRectGetHeight(self.scrollView.bounds) / 2.0f;
 
 		if(CGRectContainsPoint(frame, centerOffset)) {
 			return pageIndex;