Set minimum size ration to 0.01

Author: Amir Khorsandi

Lib/Snapshot/SnapshotTransformView.swift

@@ -134,12 +134,12 @@ private extension SnapshotContainerView {
                           y: translateY)
             .scaledBy(x: scale, y: scale)
         var sizeRatioRow = options.pieceSizeRatio.height
-        if sizeRatioRow == 0 {
-            sizeRatioRow = 1
+        if abs(sizeRatioRow) < 0.01 {
+            sizeRatioRow = 0.01
         }
         var sizeRatioColumn = options.pieceSizeRatio.width
-        if sizeRatioColumn == 0 {
-            sizeRatioColumn = 1
+        if abs(sizeRatioColumn) < 0.01 {
+            sizeRatioColumn = 0.01
         }
         let rowCount = Int(1.0 / sizeRatioRow)
         let columnCount = Int(1.0 / sizeRatioColumn)

Samples/PagingLayoutSamples/Modules/LayoutDesigner/LayoutDesignerViewModel.swift

@@ -157,6 +157,11 @@ class LayoutDesignerViewModel {
             let update: ((inout SnapshotTransformViewOptions) -> Void) -> Void = {  [weak self] in
                 self?.update(options: &options, closure: $0)
             }
+            optionViewModels = [
+                .init(title: "Piece size ratio", kind: .doubleSlider(current: options.pieceSizeRatio.pair) { n in
+                    update { $0.pieceSizeRatio = .by(pair: n) }
+                    })
+            ]
         }
     }