From b239217a0deee825596d6c45bcfe05b966c01f46 Mon Sep 17 00:00:00 2001
From: Yuri Strot <ystrot@gmail.com>
Date: Fri, 24 May 2019 19:43:21 +0700
Subject: [PATCH] Clean up source code

---
 Source/platform/macOS/Common_macOS.swift   | 4 ++--
 Source/platform/macOS/Graphics_macOS.swift | 2 +-
 Source/platform/macOS/MView_macOS.swift    | 2 +-
 Source/views/MacawZoom.swift               | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Source/platform/macOS/Common_macOS.swift b/Source/platform/macOS/Common_macOS.swift
index 87a8751a..3fdca8c1 100644
--- a/Source/platform/macOS/Common_macOS.swift
+++ b/Source/platform/macOS/Common_macOS.swift
@@ -164,12 +164,12 @@ extension CGContext {
     private struct CGContextScale {
         static var _scale: CGFloat = 0.0
     }
-    
+
     var scale: CGFloat {
         get {
             return CGContextScale._scale
         }
-        
+
         set(newValue) {
             CGContextScale._scale = newValue
         }
diff --git a/Source/platform/macOS/Graphics_macOS.swift b/Source/platform/macOS/Graphics_macOS.swift
index 57fa0fe0..d260410d 100644
--- a/Source/platform/macOS/Graphics_macOS.swift
+++ b/Source/platform/macOS/Graphics_macOS.swift
@@ -68,7 +68,7 @@ func MGraphicsBeginImageContextWithOptions(_ size: CGSize, _ opaque: Bool, _ sca
 func MGraphicsGetImageFromCurrentImageContext() -> MImage? {
     guard let ctx = MGraphicsGetCurrentContext(),
         let theCGImage = ctx.makeImage() else {
-        return nil
+            return nil
     }
     let scale = ctx.scale
     let size = CGSize(width: CGFloat(ctx.width) / scale, height: CGFloat(ctx.height) / scale)
diff --git a/Source/platform/macOS/MView_macOS.swift b/Source/platform/macOS/MView_macOS.swift
index 141346b7..469d36b4 100644
--- a/Source/platform/macOS/MView_macOS.swift
+++ b/Source/platform/macOS/MView_macOS.swift
@@ -79,7 +79,7 @@ open class MView: NSView, Touchable {
     func layoutSubviews() {
         super.resizeSubviews(withOldSize: self.bounds.size)
     }
-    
+
     // MARK: - Touch pad
     open override func touchesBegan(with event: NSEvent) {
         super.touchesBegan(with: event)
diff --git a/Source/views/MacawZoom.swift b/Source/views/MacawZoom.swift
index 1831593b..1a9532cd 100644
--- a/Source/views/MacawZoom.swift
+++ b/Source/views/MacawZoom.swift
@@ -81,7 +81,7 @@ open class MacawZoom {
     }
 
     private func getNewZoom() -> ZoomData {
-        if touches.count == 0 || (touches.count == 1 && !trackMove) {
+        if touches.isEmpty || (touches.count == 1 && !trackMove) {
             return zoomData
         }
         let s1 = touches[0].point