From c63e193f2847563359a72e220bbd5053b190f42f Mon Sep 17 00:00:00 2001
From: Ilya Laktyushin <ilya@laktyush.in>
Date: Tue, 29 Dec 2020 03:16:56 +0400
Subject: [PATCH] Fix wrong avatar generation for pics with side larger than
 4096px

---
 .../Sources/TGPhotoEditorController.m            | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/submodules/LegacyComponents/Sources/TGPhotoEditorController.m b/submodules/LegacyComponents/Sources/TGPhotoEditorController.m
index 5093a30128..cbf564209e 100644
--- a/submodules/LegacyComponents/Sources/TGPhotoEditorController.m
+++ b/submodules/LegacyComponents/Sources/TGPhotoEditorController.m
@@ -978,10 +978,22 @@
     SSignal *imageSignal = nil;
     if (fullSizeImage == nil)
     {
-        imageSignal = [[self.requestOriginalFullSizeImage(_item, 0) filter:^bool(id result)
+        imageSignal = [[[self.requestOriginalFullSizeImage(_item, 0) filter:^bool(id result)
         {
             return [result isKindOfClass:[UIImage class]];
-        }] takeLast];
+        }] takeLast] map:^UIImage *(UIImage *image) {
+            if (avatar) {
+                CGFloat maxSide = [GPUImageContext maximumTextureSizeForThisDevice];
+                if (MAX(image.size.width, image.size.height) > maxSide) {
+                    CGSize fittedSize = TGScaleToFit(image.size, CGSizeMake(maxSide, maxSide));
+                    return TGScaleImageToPixelSize(image, fittedSize);
+                } else {
+                    return image;
+                }
+            } else {
+                return image;
+            }
+        }];
     }
     else
     {