From 2f53a91ec5e515ca28a072e2d05b3cd9d6696f91 Mon Sep 17 00:00:00 2001
From: Peter <>
Date: Sat, 25 May 2019 01:02:39 +0200
Subject: [PATCH] Support webp file thumbnails

---
 TelegramUI/PhotoResources.swift | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/TelegramUI/PhotoResources.swift b/TelegramUI/PhotoResources.swift
index f70bf3caa9..7fe801602c 100644
--- a/TelegramUI/PhotoResources.swift
+++ b/TelegramUI/PhotoResources.swift
@@ -6,6 +6,7 @@ import AVFoundation
 import ImageIO
 import TelegramUIPrivateModule
 import TelegramCore
+import WebP
 
 private enum ResourceFileData {
     case data(Data)
@@ -2119,13 +2120,20 @@ func chatMessageImageFile(account: Account, fileReference: FileMediaReference, t
             }
             
             var thumbnailImage: CGImage?
-            if let thumbnailData = thumbnailData, let imageSource = CGImageSourceCreateWithData(thumbnailData as CFData, nil), let image = CGImageSourceCreateImageAtIndex(imageSource, 0, nil) {
-                if fullSizeImage == nil {
-                    imageOrientation = imageOrientationFromSource(imageSource)
-                }
-                thumbnailImage = image
-                if thumbnail {
-                    fittedSize = CGSize(width: CGFloat(image.width), height: CGFloat(image.height)).aspectFilled(arguments.boundingSize)
+            if let thumbnailData = thumbnailData {
+                if let imageSource = CGImageSourceCreateWithData(thumbnailData as CFData, nil), let image = CGImageSourceCreateImageAtIndex(imageSource, 0, nil) {
+                    if fullSizeImage == nil {
+                        imageOrientation = imageOrientationFromSource(imageSource)
+                    }
+                    thumbnailImage = image
+                    if thumbnail {
+                        fittedSize = CGSize(width: CGFloat(image.width), height: CGFloat(image.height)).aspectFilled(arguments.boundingSize)
+                    }
+                } else if let image = WebP.convert(fromWebP: thumbnailData) {
+                    thumbnailImage = image.cgImage
+                    if thumbnail {
+                        fittedSize = CGSize(width: CGFloat(image.size.width), height: CGFloat(image.size.height)).aspectFilled(arguments.boundingSize)
+                    }
                 }
             }