Merge pull request #36 from darquro/fix_redo_button_shown

hide redo button when filtering or color adjusting

Author: longitachi

Sources/General/ZLEditImageViewController.swift

@@ -851,6 +851,7 @@ open class ZLEditImageViewController: UIViewController {
 
         drawColorCollectionView?.isHidden = true
         revokeBtn.isHidden = true
+        redoBtn?.isHidden = true
         filterCollectionView?.isHidden = !isSelected
         adjustCollectionView?.isHidden = true
         adjustSlider?.isHidden = true
@@ -866,6 +867,7 @@ open class ZLEditImageViewController: UIViewController {
 
         drawColorCollectionView?.isHidden = true
         revokeBtn.isHidden = true
+        redoBtn?.isHidden = true
         filterCollectionView?.isHidden = true
         adjustCollectionView?.isHidden = !isSelected
         adjustSlider?.isHidden = !isSelected