fix: fix undo redo rotation issues when flipped (#396)

guoyingtao · Apr 26, 2024 · 29b6fec · 29b6fec
1 parent 2ad6323
commit 29b6fec
Showing 1 changed file with 4 additions and 6 deletions.
diff --git a/Sources/Mantis/CropView/CropView.swift b/Sources/Mantis/CropView/CropView.swift
@@ -978,12 +978,10 @@ extension CropView: CropViewProtocol {
 
         var newTransform = getTransformInfo(byTransformInfo: cropState.transformation)
 
-        if viewModel.horizontallyFlip {
-            newTransform.rotation = -newTransform.rotation
-        }
-
-        if viewModel.verticallyFlip {
-            newTransform.rotation = -newTransform.rotation
+        if flipOddTimes {
+            let localRotation = newTransform.rotation.truncatingRemainder(dividingBy: .pi/2)
+            let rotation90s = newTransform.rotation - localRotation
+            newTransform.rotation = -rotation90s + localRotation
         }
 
         if newTransform.maskFrame != .zero {