Implement progressive JPEG for photos

submodules/ImageCompression/BUCK

@@ -5,6 +5,9 @@ static_library(
     srcs = glob([
         "Sources/**/*.swift",
     ]),
+    deps = [
+        "//submodules/MozjpegBinding:MozjpegBinding",
+    ],
     frameworks = [
         "$SDKROOT/System/Library/Frameworks/Foundation.framework",
         "$SDKROOT/System/Library/Frameworks/UIKit.framework",

submodules/ImageCompression/BUILD

@@ -4,8 +4,11 @@ swift_library(
     name = "ImageCompression",
     module_name = "ImageCompression",
     srcs = glob([
-		"Sources/**/*.swift",
+        "Sources/**/*.swift",
     ]),
+    deps = [
+        "//submodules/MozjpegBinding:MozjpegBinding",
+    ],
     visibility = [
         "//visibility:public",
     ],

submodules/ImageCompression/Sources/ImageCompression.swift

@@ -1,8 +1,19 @@
 import Foundation
 import AVFoundation
 import UIKit
+import MozjpegBinding
+
+public func extractImageExtraScans(_ data: Data) -> [Int] {
+    return extractJPEGDataScans(data).map { item in
+        return item.intValue
+    }
+}
 
 public func compressImageToJPEG(_ image: UIImage, quality: Float) -> Data? {
+    if let result = compressJPEGData(image) {
+        return result
+    }
+    
     let data = NSMutableData()
     guard let destination = CGImageDestinationCreateWithData(data as CFMutableData, "public.jpeg" as CFString, 1, nil) else {
         return nil
@@ -46,3 +57,7 @@ public func compressImage(_ image: UIImage, quality: Float) -> Data? {
     
     return data as Data
 }
+
+public func compressImageMiniThumbnail(_ image: UIImage) -> Data? {
+    return compressMiniThumbnail(image)
+}