Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/AnimatedStickerNode/Sources/AnimationRenderer.swift

@@ -0,0 +1,58 @@
+import Foundation
+import SwiftSignalKit
+import UIKit
+import AsyncDisplayKit
+
+public enum AnimationRendererFrameType {
+    case argb
+    case yuva
+    case dct
+}
+
+final class AnimationRendererPool {
+    final class Holder {
+        let pool: AnimationRendererPool
+        let renderer: AnimationRenderer
+        
+        init(pool: AnimationRendererPool, renderer: AnimationRenderer) {
+            self.pool = pool
+            self.renderer = renderer
+        }
+        
+        deinit {
+            self.renderer.removeFromSupernode()
+            self.pool.putBack(renderer: self.renderer)
+        }
+    }
+    
+    private let generate: () -> AnimationRenderer
+    
+    private var items: [AnimationRenderer] = []
+    
+    init(generate: @escaping () -> AnimationRenderer) {
+        self.generate = generate
+    }
+    
+    func take() -> Holder {
+        if !self.items.isEmpty {
+            let item = self.items.removeLast()
+            return Holder(pool: self, renderer: item)
+        } else {
+            return Holder(pool: self, renderer: self.generate())
+        }
+    }
+    
+    private func putBack(renderer: AnimationRenderer) {
+        /*#if DEBUG
+        self.items.append(renderer)
+        #endif*/
+    }
+}
+
+protocol AnimationRenderer: ASDisplayNode {
+    var currentFrameImage: UIImage? { get }
+    
+    func render(queue: Queue, width: Int, height: Int, bytesPerRow: Int, data: Data, type: AnimationRendererFrameType, mulAlpha: Bool, completion: @escaping () -> Void, averageColor: ((UIColor) -> Void)?)
+    
+    func setOverlayColor(_ color: UIColor?, replace: Bool, animated: Bool)
+}