From 0f3cf634a24c1e7e71da056cfaea80b7c4a7eb8c Mon Sep 17 00:00:00 2001
From: Peter <>
Date: Fri, 23 Nov 2018 18:14:47 +0300
Subject: [PATCH] Fix image blur

---
 TelegramUI/PhotoResources.swift         | 25 +++++++++++++++++++++++--
 TelegramUI/StorageUsageController.swift | 12 +++++++-----
 2 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/TelegramUI/PhotoResources.swift b/TelegramUI/PhotoResources.swift
index 2b88d6b757..4d857428f6 100644
--- a/TelegramUI/PhotoResources.swift
+++ b/TelegramUI/PhotoResources.swift
@@ -639,7 +639,10 @@ public func chatMessagePhotoInternal(photoData: Signal<(Data?, Data?, Bool), NoE
             var blurredThumbnailImage: UIImage?
             if let thumbnailImage = thumbnailImage {
                 let thumbnailSize = CGSize(width: thumbnailImage.width, height: thumbnailImage.height)
-                let thumbnailContextSize = thumbnailSize.aspectFitted(CGSize(width: 150.0, height: 150.0))
+                
+                let initialThumbnailContextFittingSize = fittedSize.fitted(CGSize(width: 100.0, height: 100.0))
+                
+                let thumbnailContextSize = thumbnailSize.aspectFitted(initialThumbnailContextFittingSize)
                 let thumbnailContext = DrawingContext(size: thumbnailContextSize, scale: 1.0)
                 thumbnailContext.withFlippedContext { c in
                     c.interpolationQuality = .none
@@ -647,7 +650,25 @@ public func chatMessagePhotoInternal(photoData: Signal<(Data?, Data?, Bool), NoE
                 }
                 telegramFastBlur(Int32(thumbnailContextSize.width), Int32(thumbnailContextSize.height), Int32(thumbnailContext.bytesPerRow), thumbnailContext.bytes)
                 
-                blurredThumbnailImage = thumbnailContext.generateImage()
+                var thumbnailContextFittingSize = CGSize(width: floor(arguments.drawingSize.width * 0.5), height: floor(arguments.drawingSize.width * 0.5))
+                if thumbnailContextFittingSize.width < 150.0 || thumbnailContextFittingSize.height < 150.0 {
+                    thumbnailContextFittingSize = thumbnailContextFittingSize.aspectFilled(CGSize(width: 150.0, height: 150.0))
+                }
+                
+                if thumbnailContextFittingSize.width > thumbnailContextSize.width {
+                    let additionalContextSize = thumbnailContextFittingSize
+                    let additionalBlurContext = DrawingContext(size: additionalContextSize, scale: 1.0)
+                    additionalBlurContext.withFlippedContext { c in
+                        c.interpolationQuality = .default
+                        if let image = thumbnailContext.generateImage()?.cgImage {
+                            c.draw(image, in: CGRect(origin: CGPoint(), size: additionalContextSize))
+                        }
+                    }
+                    telegramFastBlur(Int32(additionalContextSize.width), Int32(additionalContextSize.height), Int32(additionalBlurContext.bytesPerRow), additionalBlurContext.bytes)
+                    blurredThumbnailImage = additionalBlurContext.generateImage()
+                } else {
+                    blurredThumbnailImage = thumbnailContext.generateImage()
+                }
             }
             
             context.withFlippedContext { c in
diff --git a/TelegramUI/StorageUsageController.swift b/TelegramUI/StorageUsageController.swift
index 9fb2ff1273..c1b46b4c6a 100644
--- a/TelegramUI/StorageUsageController.swift
+++ b/TelegramUI/StorageUsageController.swift
@@ -516,11 +516,13 @@ func storageUsageController(account: Account) -> ViewController {
                             }
                             sizeIndex[categoryId] = (true, categorySize)
                             totalSize += categorySize
-                            let index = itemIndex
-                            items.append(ActionSheetCheckboxItem(title: stringForCategory(strings: presentationData.strings, category: categoryId), label: dataSizeString(categorySize), value: true, action: { value in
-                                toggleCheck(categoryId, index)
-                            }))
-                            itemIndex += 1
+                            if categorySize > 1024 {
+                                let index = itemIndex
+                                items.append(ActionSheetCheckboxItem(title: stringForCategory(strings: presentationData.strings, category: categoryId), label: dataSizeString(categorySize), value: true, action: { value in
+                                    toggleCheck(categoryId, index)
+                                }))
+                                itemIndex += 1
+                            }
                         }
                     }