From 17de379145684999eed826d22469503097516689 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Mon, 31 Jan 2022 13:18:52 +0300
Subject: [PATCH] Fix document thumbnails on Retina screens.

---
 Telegram/SourceFiles/settings/settings_chat.cpp | 2 +-
 Telegram/SourceFiles/ui/image/image.cpp         | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/settings/settings_chat.cpp b/Telegram/SourceFiles/settings/settings_chat.cpp
index 3449782ca4..69a011a025 100644
--- a/Telegram/SourceFiles/settings/settings_chat.cpp
+++ b/Telegram/SourceFiles/settings/settings_chat.cpp
@@ -577,7 +577,7 @@ void BackgroundRow::updateImage() {
 			if (inverted) {
 				small = Ui::InvertPatternImage(std::move(small));
 			}
-			p.drawImage(QRect(0, 0, size, size), small);
+			p.drawImage(QRect(0, 0, fullsize, fullsize), small);
 		};
 		return Ui::GenerateBackgroundImage(
 			{ fullsize, fullsize },
diff --git a/Telegram/SourceFiles/ui/image/image.cpp b/Telegram/SourceFiles/ui/image/image.cpp
index 6b2d806cbf..17f95e354a 100644
--- a/Telegram/SourceFiles/ui/image/image.cpp
+++ b/Telegram/SourceFiles/ui/image/image.cpp
@@ -352,6 +352,7 @@ const QPixmap &Image::cached(
 		w = width();
 	} else if (h <= 0) {
 		h = std::max(int(int64(height()) * w / width()), 1) * ratio;
+		w *= ratio;
 	} else {
 		w *= ratio;
 		h *= ratio;