Save generated images to downloads directory

Examples/ImagesExample-macOS/Sources/ImagesExample-macOS/main.swift

@@ -5,8 +5,30 @@
 //  Created by Simon Lee on 12/26/18.
 //
 import PlaceholderKit
-import AppKit
+import Cocoa
+
+public extension NSImage {
+    public func writePNG(toURL url: URL) {
+
+        guard let data = tiffRepresentation,
+            let rep = NSBitmapImageRep(data: data),
+            let imgData = rep.representation(using: .png, properties: [.compressionFactor : NSNumber(floatLiteral: 1.0)]) else {
+
+                print("\(self.self) Error Function '\(#function)' Line: \(#line) No tiff rep found for image writing to \(url)")
+                return
+        }
+
+        do {
+            try imgData.write(to: url)
+        } catch let error {
+            print("\(self.self) Error Function '\(#function)' Line: \(#line) \(error.localizedDescription)")
+        }
+    }
+}
 
 let image = PlaceholderBuilder().coloredBackground(color: .red, size: CGSize(width: 100, height: 100))
 
-print(image)
+let desktopURL = FileManager.default.urls(for: .downloadsDirectory, in: .userDomainMask).first!
+let fileURL = desktopURL.appendingPathComponent("placeholder.png")
+
+image?.writePNG(toURL: fileURL)