Fix white corners around the focused view

pNre · Aug 1, 2017 · 56fce70 · 56fce70
1 parent c9ce0eb
commit 56fce70
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/CoachMarks.podspec b/CoachMarks.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "CoachMarks"
-  s.version      = "1.0.1"
+  s.version      = "1.0.2"
   s.summary      = "CoachMarks is a component that can be used to focus the user attention on parts of the UI."
 
   s.description  = <<-DESC

diff --git a/CoachMarks/CoachmarkView.swift b/CoachMarks/CoachmarkView.swift
@@ -258,12 +258,18 @@ public class CoachmarkView: UIView {
             self.textLabel.alpha = 1
         }
 
-        if focusingOnElement, let snapshot = view.snapshot(of: rect, from: view) {
+        let dimension = sqrt(rect.width * rect.width + rect.height * rect.height)
+        let snapshotRect = CGRect(x: rect.origin.x + (rect.width - dimension) / 2.0,
+                                  y: rect.origin.y + (rect.height - dimension) / 2.0,
+                                  width: dimension,
+                                  height: dimension).integral.intersection(view.bounds)
+
+        if focusingOnElement, let snapshot = view.snapshot(of: snapshotRect, from: view) {
 
             view.layoutIfNeeded()
 
             snapshotView = UIImageView(image: snapshot)
-            snapshotView?.frame = rect
+            snapshotView?.frame = snapshotRect
 
             innerCircle.isHidden = false
             innerCircle.animatePath(withDuration: animationDuration, fromValue: 0.0)