diff --git a/Telegram/SourceFiles/boxes/background_box.cpp b/Telegram/SourceFiles/boxes/background_box.cpp
index 877cf556e..59729b7fe 100644
--- a/Telegram/SourceFiles/boxes/background_box.cpp
+++ b/Telegram/SourceFiles/boxes/background_box.cpp
@@ -40,11 +40,11 @@ namespace {
 constexpr auto kBackgroundsInRow = 3;
 
 QImage TakeMiddleSample(QImage original, QSize size) {
-	size *= cIntRetinaFactor();
+	size *= style::DevicePixelRatio();
 	const auto from = original.size();
 	if (from.isEmpty()) {
 		auto result = original.scaled(size);
-		result.setDevicePixelRatio(cRetinaFactor());
+		result.setDevicePixelRatio(style::DevicePixelRatio());
 		return result;
 	}
 
@@ -58,7 +58,7 @@ QImage TakeMiddleSample(QImage original, QSize size) {
 		take.width(),
 		take.height()
 	).scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	return result;
 }
 
@@ -657,10 +657,10 @@ void BackgroundBox::Inner::validatePaperThumbnail(
 		} else if (!paper.data.backgroundColors().empty()) {
 			paper.thumbnail = Ui::PixmapFromImage(
 				Ui::GenerateBackgroundImage(
-					st::backgroundSize * cIntRetinaFactor(),
+					st::backgroundSize * style::DevicePixelRatio(),
 					paper.data.backgroundColors(),
 					paper.data.gradientRotation()));
-			paper.thumbnail.setDevicePixelRatio(cRetinaFactor());
+			paper.thumbnail.setDevicePixelRatio(style::DevicePixelRatio());
 			return;
 		} else {
 			return;
@@ -680,7 +680,7 @@ void BackgroundBox::Inner::validatePaperThumbnail(
 	paper.thumbnail = Ui::PixmapFromImage(TakeMiddleSample(
 		original,
 		st::backgroundSize));
-	paper.thumbnail.setDevicePixelRatio(cRetinaFactor());
+	paper.thumbnail.setDevicePixelRatio(style::DevicePixelRatio());
 }
 
 bool BackgroundBox::Inner::forChannel() const {
diff --git a/Telegram/SourceFiles/boxes/background_preview_box.cpp b/Telegram/SourceFiles/boxes/background_preview_box.cpp
index d445ce1f5..3a9917719 100644
--- a/Telegram/SourceFiles/boxes/background_preview_box.cpp
+++ b/Telegram/SourceFiles/boxes/background_preview_box.cpp
@@ -467,14 +467,14 @@ void BackgroundPreviewBox::generateBackground() {
 		return;
 	}
 	const auto size = QSize(st::boxWideWidth, st::boxWideWidth)
-		* cIntRetinaFactor();
+		* style::DevicePixelRatio();
 	_generated = Ui::PixmapFromImage((_paper.patternOpacity() >= 0.)
 		? Ui::GenerateBackgroundImage(
 			size,
 			_paper.backgroundColors(),
 			_paper.gradientRotation())
 		: BlackImage(size));
-	_generated.setDevicePixelRatio(cRetinaFactor());
+	_generated.setDevicePixelRatio(style::DevicePixelRatio());
 }
 
 not_null<HistoryView::ElementDelegate*> BackgroundPreviewBox::delegate() {
@@ -889,7 +889,7 @@ void BackgroundPreviewBox::paintEvent(QPaintEvent *e) {
 void BackgroundPreviewBox::paintImage(Painter &p) {
 	Expects(!_scaled.isNull());
 
-	const auto factor = cIntRetinaFactor();
+	const auto factor = style::DevicePixelRatio();
 	const auto size = st::boxWideWidth;
 	const auto from = QRect(
 		0,
diff --git a/Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp b/Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp
index a9c92c745..fcdc646a5 100644
--- a/Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp
+++ b/Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp
@@ -228,8 +228,8 @@ QImage QrExact(const Qr::Data &data, int pixel, QColor color) {
 				skip,
 				skip,
 				Intro::details::TelegramLogoImage().scaled(
-					logoSize * cIntRetinaFactor(),
-					logoSize * cIntRetinaFactor(),
+					logoSize * style::DevicePixelRatio(),
+					logoSize * style::DevicePixelRatio(),
 					Qt::IgnoreAspectRatio,
 					Qt::SmoothTransformation));
 		}
diff --git a/Telegram/SourceFiles/boxes/sticker_set_box.cpp b/Telegram/SourceFiles/boxes/sticker_set_box.cpp
index 82e4e3deb..6f5966de6 100644
--- a/Telegram/SourceFiles/boxes/sticker_set_box.cpp
+++ b/Telegram/SourceFiles/boxes/sticker_set_box.cpp
@@ -1221,7 +1221,7 @@ void StickerSetBox::Inner::setupLottie(int index) {
 		getLottiePlayer(),
 		element.documentMedia.get(),
 		ChatHelpers::StickerLottieSize::StickerSet,
-		boundingBoxSize() * cIntRetinaFactor());
+		boundingBoxSize() * style::DevicePixelRatio());
 }
 
 void StickerSetBox::Inner::setupWebm(int index) {
@@ -1345,7 +1345,7 @@ void StickerSetBox::Inner::paintSticker(
 	} else if (element.lottie && element.lottie->ready()) {
 		lottieFrame = element.lottie->frame();
 		p.drawImage(
-			QRect(ppos, lottieFrame.size() / cIntRetinaFactor()),
+			QRect(ppos, lottieFrame.size() / style::DevicePixelRatio()),
 			lottieFrame);
 
 		_lottiePlayer->unpause(element.lottie);
diff --git a/Telegram/SourceFiles/boxes/stickers_box.cpp b/Telegram/SourceFiles/boxes/stickers_box.cpp
index 7d72ebf5a..94c11d00f 100644
--- a/Telegram/SourceFiles/boxes/stickers_box.cpp
+++ b/Telegram/SourceFiles/boxes/stickers_box.cpp
@@ -1539,7 +1539,7 @@ void StickersBox::Inner::paintRowThumbnail(
 	const auto y = _st.photoPosition.y() + (_st.photoSize - row->pixh) / 2;
 	if (row->lottie && row->lottie->ready()) {
 		const auto frame = row->lottie->frame();
-		const auto size = frame.size() / cIntRetinaFactor();
+		const auto size = frame.size() / style::DevicePixelRatio();
 		p.drawImage(
 			QRect(
 				left + (_st.photoSize - size.width()) / 2,
@@ -1578,7 +1578,7 @@ void StickersBox::Inner::validateLottieAnimation(not_null<Row*> row) {
 		row->thumbnailMedia.get(),
 		row->stickerMedia.get(),
 		ChatHelpers::StickerLottieSize::SetsListThumbnail,
-		QSize(_st.photoSize, _st.photoSize) * cIntRetinaFactor());
+		QSize(_st.photoSize, _st.photoSize) * style::DevicePixelRatio());
 	if (!player) {
 		return;
 	}
diff --git a/Telegram/SourceFiles/calls/calls_emoji_fingerprint.cpp b/Telegram/SourceFiles/calls/calls_emoji_fingerprint.cpp
index a39ae87ed..d6b6ca32a 100644
--- a/Telegram/SourceFiles/calls/calls_emoji_fingerprint.cpp
+++ b/Telegram/SourceFiles/calls/calls_emoji_fingerprint.cpp
@@ -210,7 +210,7 @@ object_ptr<Ui::RpWidget> CreateFingerprintAndSignalBars(
 	// Geometry.
 	const auto print = ComputeEmojiFingerprint(call);
 	auto realSize = Ui::Emoji::GetSizeNormal();
-	auto size = realSize / cIntRetinaFactor();
+	auto size = realSize / style::DevicePixelRatio();
 	auto count = print.size();
 	const auto printSize = QSize(
 		count * size + (count - 1) * st::callFingerprintSkip,
@@ -234,9 +234,9 @@ object_ptr<Ui::RpWidget> CreateFingerprintAndSignalBars(
 
 	// Paint.
 	const auto background = raw->lifetime().make_state<QImage>(
-		fullSize * cIntRetinaFactor(),
+		fullSize * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	background->setDevicePixelRatio(cRetinaFactor());
+	background->setDevicePixelRatio(style::DevicePixelRatio());
 	rpl::merge(
 		rpl::single(rpl::empty),
 		Ui::Emoji::Updated(),
@@ -274,7 +274,7 @@ object_ptr<Ui::RpWidget> CreateFingerprintAndSignalBars(
 
 		// Emoji.
 		const auto realSize = Ui::Emoji::GetSizeNormal();
-		const auto size = realSize / cIntRetinaFactor();
+		const auto size = realSize / style::DevicePixelRatio();
 		auto left = st::callFingerprintPadding.left();
 		const auto top = st::callFingerprintPadding.top();
 		p.setClipping(false);
diff --git a/Telegram/SourceFiles/calls/calls_userpic.cpp b/Telegram/SourceFiles/calls/calls_userpic.cpp
index 38f467170..a57b6ff19 100644
--- a/Telegram/SourceFiles/calls/calls_userpic.cpp
+++ b/Telegram/SourceFiles/calls/calls_userpic.cpp
@@ -170,7 +170,7 @@ void Userpic::refreshPhoto() {
 
 void Userpic::createCache(Image *image) {
 	const auto size = this->size();
-	const auto real = size * cIntRetinaFactor();
+	const auto real = size * style::DevicePixelRatio();
 	//_useTransparency
 	//	? (Images::Option::RoundLarge
 	//		| Images::Option::RoundSkipBottomLeft
@@ -192,12 +192,12 @@ void Userpic::createCache(Image *image) {
 				.options = Images::Option::RoundCircle,
 				.outer = { size, size },
 			});
-		_userPhoto.setDevicePixelRatio(cRetinaFactor());
+		_userPhoto.setDevicePixelRatio(style::DevicePixelRatio());
 	} else {
 		auto filled = QImage(
 			QSize(real, real),
 			QImage::Format_ARGB32_Premultiplied);
-		filled.setDevicePixelRatio(cRetinaFactor());
+		filled.setDevicePixelRatio(style::DevicePixelRatio());
 		filled.fill(Qt::transparent);
 		{
 			auto p = QPainter(&filled);
diff --git a/Telegram/SourceFiles/calls/calls_video_bubble.cpp b/Telegram/SourceFiles/calls/calls_video_bubble.cpp
index 043ee8c41..b6866e9fd 100644
--- a/Telegram/SourceFiles/calls/calls_video_bubble.cpp
+++ b/Telegram/SourceFiles/calls/calls_video_bubble.cpp
@@ -126,7 +126,7 @@ void VideoBubble::paint() {
 		const auto padding = st::boxRoundShadow.extend;
 		const auto inner = _content.rect().marginsRemoved(padding);
 		Ui::Shadow::paint(p, inner, _content.width(), st::boxRoundShadow);
-		const auto factor = cIntRetinaFactor();
+		const auto factor = style::DevicePixelRatio();
 		const auto left = _mirrored
 			? (_frame.width() - (inner.width() * factor))
 			: 0;
@@ -145,8 +145,8 @@ void VideoBubble::prepareFrame() {
 		return;
 	}
 	const auto padding = st::boxRoundShadow.extend;
-	const auto size = _content.rect().marginsRemoved(padding).size()
-		* cIntRetinaFactor();
+	const auto size = (_content.rect() - padding).size()
+		* style::DevicePixelRatio();
 
 	// Should we check 'original' and 'size' aspect ratios?..
 	const auto request = Webrtc::FrameRequest{
diff --git a/Telegram/SourceFiles/calls/calls_video_incoming.cpp b/Telegram/SourceFiles/calls/calls_video_incoming.cpp
index 9ea9fe41c..9ab16d73d 100644
--- a/Telegram/SourceFiles/calls/calls_video_incoming.cpp
+++ b/Telegram/SourceFiles/calls/calls_video_incoming.cpp
@@ -472,7 +472,7 @@ void Panel::Incoming::RendererSW::paintFallback(
 
 void Panel::Incoming::RendererSW::initBottomShadow() {
 	auto image = QImage(
-		QSize(1, st::callBottomShadowSize) * cIntRetinaFactor(),
+		QSize(1, st::callBottomShadowSize) * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
 	const auto colorFrom = uint32(0);
 	const auto colorTill = uint32(kBottomShadowAlphaMax);
@@ -527,7 +527,7 @@ void Panel::Incoming::RendererSW::fillBottomShadow(QPainter &p) {
 	if (fill.isEmpty()) {
 		return;
 	}
-	const auto factor = cIntRetinaFactor();
+	const auto factor = style::DevicePixelRatio();
 	p.drawImage(
 		fill,
 		_bottomShadow,
diff --git a/Telegram/SourceFiles/calls/group/calls_group_members.cpp b/Telegram/SourceFiles/calls/group/calls_group_members.cpp
index 73ac7d1b9..ce806928c 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_members.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_members.cpp
@@ -1865,11 +1865,11 @@ void Members::updateControlsGeometry() {
 void Members::setupFakeRoundCorners() {
 	const auto size = st::roundRadiusLarge;
 	const auto full = 3 * size;
-	const auto imagePartSize = size * cIntRetinaFactor();
-	const auto imageSize = full * cIntRetinaFactor();
+	const auto imagePartSize = size * style::DevicePixelRatio();
+	const auto imageSize = full * style::DevicePixelRatio();
 	const auto image = std::make_shared<QImage>(
 		QImage(imageSize, imageSize, QImage::Format_ARGB32_Premultiplied));
-	image->setDevicePixelRatio(cRetinaFactor());
+	image->setDevicePixelRatio(style::DevicePixelRatio());
 
 	const auto refreshImage = [=] {
 		image->fill(st::groupCallBg->c);
diff --git a/Telegram/SourceFiles/calls/group/calls_group_members_row.cpp b/Telegram/SourceFiles/calls/group/calls_group_members_row.cpp
index 78484dadc..a9f41b35a 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_members_row.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_members_row.cpp
@@ -356,11 +356,13 @@ void MembersRow::ensureUserpicCache(
 
 	const auto user = peer();
 	const auto key = user->userpicUniqueKey(view);
-	const auto full = QSize(size, size) * kWideScale * cIntRetinaFactor();
+	const auto full = QSize(size, size)
+		* kWideScale
+		* style::DevicePixelRatio();
 	auto &cache = _blobsAnimation->userpicCache;
 	if (cache.isNull()) {
 		cache = QImage(full, QImage::Format_ARGB32_Premultiplied);
-		cache.setDevicePixelRatio(cRetinaFactor());
+		cache.setDevicePixelRatio(style::DevicePixelRatio());
 	} else if (_blobsAnimation->userpicKey == key
 		&& cache.size() == full) {
 		return;
diff --git a/Telegram/SourceFiles/calls/group/calls_group_panel.cpp b/Telegram/SourceFiles/calls/group/calls_group_panel.cpp
index f0720b885..9e967b50e 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_panel.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_panel.cpp
@@ -1871,7 +1871,7 @@ void Panel::setupControlsBackgroundNarrow() {
 	_controlsBackgroundNarrow->blocker.show();
 	auto &lifetime = _controlsBackgroundNarrow->shadow.lifetime();
 
-	const auto factor = cIntRetinaFactor();
+	const auto factor = style::DevicePixelRatio();
 	const auto height = std::max(
 		st::groupCallMembersShadowHeight,
 		st::groupCallMembersFadeSkip + st::groupCallMembersFadeHeight);
@@ -1929,7 +1929,7 @@ void Panel::setupControlsBackgroundNarrow() {
 			_members->y() - _controlsBackgroundNarrow->shadow.y());
 		const auto faded = clip.intersected(inner);
 		if (!faded.isEmpty()) {
-			const auto factor = cIntRetinaFactor();
+			const auto factor = style::DevicePixelRatio();
 			p.drawImage(
 				faded,
 				*full,
diff --git a/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp b/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
index e11644e68..63e5105fa 100644
--- a/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
+++ b/Telegram/SourceFiles/calls/group/calls_group_viewport_opengl.cpp
@@ -585,11 +585,12 @@ void Viewport::RendererGL::paintTile(
 		_paused);
 	const auto pauseRect = transformRect(pauseIcon.geometry);
 
+	const auto factor = style::DevicePixelRatio();
 	const auto pausedPosition = QPoint(
-		x + (width - (_pausedTextRect.width() / cIntRetinaFactor())) / 2,
+		x + (width - (_pausedTextRect.width() / factor)) / 2,
 		pauseTextTop);
 	const auto pausedText = _names.texturedRect(
-		QRect(pausedPosition, _pausedTextRect.size() / cIntRetinaFactor()),
+		QRect(pausedPosition, _pausedTextRect.size() / factor),
 		_pausedTextRect);
 	const auto pausedRect = transformRect(pausedText.geometry);
 
@@ -627,7 +628,7 @@ void Viewport::RendererGL::paintTile(
 		x + st.namePosition.x(),
 		nameTop + nameShift);
 	const auto name = _names.texturedRect(
-		QRect(namePosition, tileData.nameRect.size() / cIntRetinaFactor()),
+		QRect(namePosition, tileData.nameRect.size() / factor),
 		tileData.nameRect,
 		geometry);
 	const auto nameRect = transformRect(name.geometry);
@@ -1194,7 +1195,7 @@ void Viewport::RendererGL::validateDatas() {
 	const auto &tiles = _owner->_tiles;
 	const auto &st = st::groupCallVideoTile;
 	const auto count = int(tiles.size());
-	const auto factor = cIntRetinaFactor();
+	const auto factor = style::DevicePixelRatio();
 	const auto nameHeight = st::semiboldFont->height * factor;
 	const auto pausedText = tr::lng_group_call_video_paused(tr::now);
 	const auto pausedBottom = nameHeight;
diff --git a/Telegram/SourceFiles/chat_helpers/emoji_sets_manager.cpp b/Telegram/SourceFiles/chat_helpers/emoji_sets_manager.cpp
index fed24fc5b..f620f700f 100644
--- a/Telegram/SourceFiles/chat_helpers/emoji_sets_manager.cpp
+++ b/Telegram/SourceFiles/chat_helpers/emoji_sets_manager.cpp
@@ -449,7 +449,7 @@ void Row::setupLabels(const Set &set) {
 }
 
 void Row::setupPreview(const Set &set) {
-	const auto size = st::manageEmojiPreview * cIntRetinaFactor();
+	const auto size = st::manageEmojiPreview * style::DevicePixelRatio();
 	const auto original = QImage(set.previewPath);
 	const auto full = original.height();
 	auto &&preview = ranges::views::zip(_preview, ranges::views::ints(0, int(_preview.size())));
@@ -457,7 +457,7 @@ void Row::setupPreview(const Set &set) {
 		pixmap = Ui::PixmapFromImage(original.copy(
 			{ full * index, 0, full, full }
 		).scaledToWidth(size, Qt::SmoothTransformation));
-		pixmap.setDevicePixelRatio(cRetinaFactor());
+		pixmap.setDevicePixelRatio(style::DevicePixelRatio());
 	}
 }
 
diff --git a/Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp b/Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp
index d5aba296b..e82ab9b9f 100644
--- a/Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp
+++ b/Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp
@@ -972,7 +972,9 @@ void FieldAutocomplete::Inner::paintEvent(QPaintEvent *e) {
 				if (sticker.lottie && sticker.lottie->ready()) {
 					lottieFrame = sticker.lottie->frame();
 					p.drawImage(
-						QRect(ppos, lottieFrame.size() / cIntRetinaFactor()),
+						QRect(
+							ppos,
+							lottieFrame.size() / style::DevicePixelRatio()),
 						lottieFrame);
 					if (!paused) {
 						sticker.lottie->markFrameShown();
@@ -1465,7 +1467,7 @@ void FieldAutocomplete::Inner::setupLottie(StickerSuggestion &suggestion) {
 	suggestion.lottie = ChatHelpers::LottiePlayerFromDocument(
 		suggestion.documentMedia.get(),
 		ChatHelpers::StickerLottieSize::InlineResults,
-		stickerBoundingBox() * cIntRetinaFactor(),
+		stickerBoundingBox() * style::DevicePixelRatio(),
 		Lottie::Quality::Default,
 		getLottieRenderer());
 
diff --git a/Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.cpp b/Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.cpp
index 35af9b1d5..f4cc13c4c 100644
--- a/Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.cpp
+++ b/Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.cpp
@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/emoji_config.h"
 #include "ui/text/text_isolated_emoji.h"
 #include "ui/image/image.h"
+#include "ui/rect.h"
 #include "main/main_session.h"
 #include "data/data_file_origin.h"
 #include "data/data_session.h"
@@ -53,10 +54,7 @@ constexpr auto kPremiumCachesCount = 8;
 [[nodiscard]] QSize SingleSize() {
 	const auto single = st::largeEmojiSize;
 	const auto outline = st::largeEmojiOutline;
-	return QSize(
-		2 * outline + single,
-		2 * outline + single
-	) * cIntRetinaFactor();
+	return Size(2 * outline + single) * style::DevicePixelRatio();
 }
 
 [[nodiscard]] const Lottie::ColorReplacements *ColorReplacements(int index) {
diff --git a/Telegram/SourceFiles/chat_helpers/stickers_list_footer.cpp b/Telegram/SourceFiles/chat_helpers/stickers_list_footer.cpp
index 6659343d2..d77a7cafd 100644
--- a/Telegram/SourceFiles/chat_helpers/stickers_list_footer.cpp
+++ b/Telegram/SourceFiles/chat_helpers/stickers_list_footer.cpp
@@ -1191,7 +1191,7 @@ void StickersListFooter::validateIconLottieAnimation(
 		icon.thumbnailMedia.get(),
 		icon.stickerMedia.get(),
 		StickerLottieSize::StickersFooter,
-		QSize(icon.pixw, icon.pixh) * cIntRetinaFactor(),
+		QSize(icon.pixw, icon.pixh) * style::DevicePixelRatio(),
 		_renderer());
 	if (!player) {
 		return;
@@ -1357,10 +1357,11 @@ void StickersListFooter::paintSetIconToCache(
 			});
 		} else if (icon.lottie && icon.lottie->ready()) {
 			const auto frame = icon.lottie->frame();
-			const auto size = frame.size() / cIntRetinaFactor();
+			const auto size = frame.size() / style::DevicePixelRatio();
 			if (icon.savedFrame.isNull()) {
 				icon.savedFrame = frame;
-				icon.savedFrame.setDevicePixelRatio(cRetinaFactor());
+				icon.savedFrame.setDevicePixelRatio(
+					style::DevicePixelRatio());
 			}
 			p.drawImage(
 				QRect(
@@ -1378,7 +1379,8 @@ void StickersListFooter::paintSetIconToCache(
 				paused ? 0 : now);
 			if (icon.savedFrame.isNull()) {
 				icon.savedFrame = frame;
-				icon.savedFrame.setDevicePixelRatio(cRetinaFactor());
+				icon.savedFrame.setDevicePixelRatio(
+					style::DevicePixelRatio());
 			}
 			p.drawImage(x, y, frame);
 		} else if (!icon.savedFrame.isNull()) {
diff --git a/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp b/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp
index 543ce497d..a6a52f4be 100644
--- a/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp
+++ b/Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp
@@ -1187,7 +1187,7 @@ void StickersListWidget::setupLottie(Set &set, int section, int index) {
 		set.lottiePlayer.get(),
 		sticker.documentMedia.get(),
 		StickerLottieSize::StickersPanel,
-		boundingBoxSize() * cIntRetinaFactor());
+		boundingBoxSize() * style::DevicePixelRatio());
 }
 
 void StickersListWidget::setupWebm(Set &set, int section, int index) {
@@ -1385,14 +1385,14 @@ void StickersListWidget::paintSticker(
 	auto lottieFrame = QImage();
 	if (sticker.lottie && sticker.lottie->ready()) {
 		auto request = Lottie::FrameRequest();
-		request.box = boundingBoxSize() * cIntRetinaFactor();
+		request.box = boundingBoxSize() * style::DevicePixelRatio();
 		lottieFrame = sticker.lottie->frame(request);
 		p.drawImage(
-			QRect(ppos, lottieFrame.size() / cIntRetinaFactor()),
+			QRect(ppos, lottieFrame.size() / style::DevicePixelRatio()),
 			lottieFrame);
 		if (sticker.savedFrame.isNull()) {
 			sticker.savedFrame = lottieFrame;
-			sticker.savedFrame.setDevicePixelRatio(cRetinaFactor());
+			sticker.savedFrame.setDevicePixelRatio(style::DevicePixelRatio());
 			sticker.savedFrameFor = _singleSize;
 		}
 		set.lottiePlayer->unpause(sticker.lottie);
@@ -1402,7 +1402,7 @@ void StickersListWidget::paintSticker(
 			paused ? 0 : now);
 		if (sticker.savedFrame.isNull()) {
 			sticker.savedFrame = frame;
-			sticker.savedFrame.setDevicePixelRatio(cRetinaFactor());
+			sticker.savedFrame.setDevicePixelRatio(style::DevicePixelRatio());
 			sticker.savedFrameFor = _singleSize;
 		}
 		p.drawImage(ppos, frame);
diff --git a/Telegram/SourceFiles/chat_helpers/tabbed_panel.cpp b/Telegram/SourceFiles/chat_helpers/tabbed_panel.cpp
index e8ec060fb..7d399a596 100644
--- a/Telegram/SourceFiles/chat_helpers/tabbed_panel.cpp
+++ b/Telegram/SourceFiles/chat_helpers/tabbed_panel.cpp
@@ -368,7 +368,11 @@ void TabbedPanel::startShowAnimation() {
 				? Ui::PanelAnimation::Origin::TopRight
 				: Ui::PanelAnimation::Origin::BottomRight));
 		auto inner = rect().marginsRemoved(st::emojiPanMargins);
-		_showAnimation->setFinalImage(std::move(image), QRect(inner.topLeft() * cIntRetinaFactor(), inner.size() * cIntRetinaFactor()));
+		_showAnimation->setFinalImage(
+			std::move(image),
+			QRect(
+				inner.topLeft() * style::DevicePixelRatio(),
+				inner.size() * style::DevicePixelRatio()));
 		_showAnimation->setCornerMasks(Images::CornersMask(st::emojiPanRadius));
 		_showAnimation->start();
 	}
@@ -386,9 +390,9 @@ QImage TabbedPanel::grabForAnimation() {
 	Ui::SendPendingMoveResizeEvents(this);
 
 	auto result = QImage(
-		size() * cIntRetinaFactor(),
+		size() * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	result.fill(Qt::transparent);
 	if (_selector) {
 		QPainter p(&result);
diff --git a/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp b/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
index 5841f2c9e..aef9d7406 100644
--- a/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
+++ b/Telegram/SourceFiles/chat_helpers/tabbed_selector.cpp
@@ -87,8 +87,8 @@ void TabbedSelector::SlideAnimation::setFinalImages(Direction direction, QImage
 	Assert(!_rightImage.isNull());
 	_width = _leftImage.width();
 	_height = _rightImage.height();
-	Assert(!(_width % cIntRetinaFactor()));
-	Assert(!(_height % cIntRetinaFactor()));
+	Assert(!(_width % style::DevicePixelRatio()));
+	Assert(!(_height % style::DevicePixelRatio()));
 	Assert(_leftImage.devicePixelRatio() == _rightImage.devicePixelRatio());
 	Assert(_rightImage.width() == _width);
 	Assert(_rightImage.height() == _height);
@@ -97,19 +97,19 @@ void TabbedSelector::SlideAnimation::setFinalImages(Direction direction, QImage
 	_innerTop = inner.y();
 	_innerWidth = inner.width();
 	_innerHeight = inner.height();
-	Assert(!(_innerLeft % cIntRetinaFactor()));
-	Assert(!(_innerTop % cIntRetinaFactor()));
-	Assert(!(_innerWidth % cIntRetinaFactor()));
-	Assert(!(_innerHeight % cIntRetinaFactor()));
+	Assert(!(_innerLeft % style::DevicePixelRatio()));
+	Assert(!(_innerTop % style::DevicePixelRatio()));
+	Assert(!(_innerWidth % style::DevicePixelRatio()));
+	Assert(!(_innerHeight % style::DevicePixelRatio()));
 	_innerRight = _innerLeft + _innerWidth;
 	_innerBottom = _innerTop + _innerHeight;
 
-	_painterInnerLeft = _innerLeft / cIntRetinaFactor();
-	_painterInnerTop = _innerTop / cIntRetinaFactor();
-	_painterInnerRight = _innerRight / cIntRetinaFactor();
-	_painterInnerBottom = _innerBottom / cIntRetinaFactor();
-	_painterInnerWidth = _innerWidth / cIntRetinaFactor();
-	_painterInnerHeight = _innerHeight / cIntRetinaFactor();
+	_painterInnerLeft = _innerLeft / style::DevicePixelRatio();
+	_painterInnerTop = _innerTop / style::DevicePixelRatio();
+	_painterInnerRight = _innerRight / style::DevicePixelRatio();
+	_painterInnerBottom = _innerBottom / style::DevicePixelRatio();
+	_painterInnerWidth = _innerWidth / style::DevicePixelRatio();
+	_painterInnerHeight = _innerHeight / style::DevicePixelRatio();
 	_painterCategoriesTop = _painterInnerBottom - st::defaultEmojiPan.footer;
 
 	_wasSectionIcons = wasSectionIcons;
@@ -148,10 +148,10 @@ void TabbedSelector::SlideAnimation::paintFrame(
 
 	auto arrivingCoord = anim::interpolate(_innerWidth, 0, easeOut);
 	auto departingCoord = anim::interpolate(0, _innerWidth, easeIn);
-	if (auto decrease = (arrivingCoord % cIntRetinaFactor())) {
+	if (auto decrease = (arrivingCoord % style::DevicePixelRatio())) {
 		arrivingCoord -= decrease;
 	}
-	if (auto decrease = (departingCoord % cIntRetinaFactor())) {
+	if (auto decrease = (departingCoord % style::DevicePixelRatio())) {
 		departingCoord -= decrease;
 	}
 	auto arrivingAlpha = easeIn;
@@ -165,7 +165,7 @@ void TabbedSelector::SlideAnimation::paintFrame(
 	auto leftTo = _innerLeft
 		+ std::clamp(_innerWidth + leftCoord, 0, _innerWidth);
 	auto rightFrom = _innerLeft + std::clamp(rightCoord, 0, _innerWidth);
-	auto painterRightFrom = rightFrom / cIntRetinaFactor();
+	auto painterRightFrom = rightFrom / style::DevicePixelRatio();
 	if (opacity < 1.) {
 		_frame.fill(Qt::transparent);
 	}
@@ -202,18 +202,18 @@ void TabbedSelector::SlideAnimation::paintFrame(
 		outerRight += _shadow.extend.right();
 		outerBottom += _shadow.extend.bottom();
 	}
-	if (cIntRetinaFactor() > 1) {
-		if (auto skipLeft = (outerLeft % cIntRetinaFactor())) {
+	if (style::DevicePixelRatio() > 1) {
+		if (auto skipLeft = (outerLeft % style::DevicePixelRatio())) {
 			outerLeft -= skipLeft;
 		}
-		if (auto skipTop = (outerTop % cIntRetinaFactor())) {
+		if (auto skipTop = (outerTop % style::DevicePixelRatio())) {
 			outerTop -= skipTop;
 		}
-		if (auto skipRight = (outerRight % cIntRetinaFactor())) {
-			outerRight += (cIntRetinaFactor() - skipRight);
+		if (auto skipRight = (outerRight % style::DevicePixelRatio())) {
+			outerRight += (style::DevicePixelRatio() - skipRight);
 		}
-		if (auto skipBottom = (outerBottom % cIntRetinaFactor())) {
-			outerBottom += (cIntRetinaFactor() - skipBottom);
+		if (auto skipBottom = (outerBottom % style::DevicePixelRatio())) {
+			outerBottom += (style::DevicePixelRatio() - skipBottom);
 		}
 	}
 
@@ -262,7 +262,14 @@ void TabbedSelector::SlideAnimation::paintFrame(
 	//	frameInts += _frameIntsPerLineAdded;
 	//}
 
-	p.drawImage(outerLeft / cIntRetinaFactor(), outerTop / cIntRetinaFactor(), _frame, outerLeft, outerTop, outerRight - outerLeft, outerBottom - outerTop);
+	p.drawImage(
+		outerLeft / style::DevicePixelRatio(),
+		outerTop / style::DevicePixelRatio(),
+		_frame,
+		outerLeft,
+		outerTop,
+		outerRight - outerLeft,
+		outerBottom - outerTop);
 }
 
 TabbedSelector::Tab::Tab(
@@ -893,9 +900,9 @@ QImage TabbedSelector::grabForAnimation() {
 	Ui::SendPendingMoveResizeEvents(this);
 
 	auto result = QImage(
-		size() * cIntRetinaFactor(),
+		size() * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	result.fill(Qt::transparent);
 	render(&result);
 
@@ -1179,9 +1186,9 @@ void TabbedSelector::switchTab() {
 	_slideAnimation = std::make_unique<SlideAnimation>();
 	const auto slidingRect = QRect(
 		0,
-		_scroll->y() * cIntRetinaFactor(),
-		width() * cIntRetinaFactor(),
-		(height() - _scroll->y()) * cIntRetinaFactor());
+		_scroll->y() * style::DevicePixelRatio(),
+		width() * style::DevicePixelRatio(),
+		(height() - _scroll->y()) * style::DevicePixelRatio());
 	_slideAnimation->setFinalImages(
 		direction,
 		std::move(wasCache),
diff --git a/Telegram/SourceFiles/data/data_location.cpp b/Telegram/SourceFiles/data/data_location.cpp
index c08c6688f..80727b3ba 100644
--- a/Telegram/SourceFiles/data/data_location.cpp
+++ b/Telegram/SourceFiles/data/data_location.cpp
@@ -62,7 +62,7 @@ size_t LocationPoint::hash() const {
 }
 
 GeoPointLocation ComputeLocation(const LocationPoint &point) {
-	const auto scale = 1 + (cScale() * cIntRetinaFactor()) / 200;
+	const auto scale = 1 + (cScale() * style::DevicePixelRatio()) / 200;
 	const auto zoom = 13 + (scale - 1);
 	const auto w = st::locationSize.width() / scale;
 	const auto h = st::locationSize.height() / scale;
diff --git a/Telegram/SourceFiles/dialogs/dialogs_widget.cpp b/Telegram/SourceFiles/dialogs/dialogs_widget.cpp
index 6d85f7cef..8ac5c91b3 100644
--- a/Telegram/SourceFiles/dialogs/dialogs_widget.cpp
+++ b/Telegram/SourceFiles/dialogs/dialogs_widget.cpp
@@ -1479,9 +1479,9 @@ void Widget::startWidthAnimation() {
 	_inner->setNarrowRatio(0.);
 	Ui::SendPendingMoveResizeEvents(_scroll);
 	auto image = QImage(
-		grabGeometry.size() * cIntRetinaFactor(),
+		grabGeometry.size() * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	image.setDevicePixelRatio(cRetinaFactor());
+	image.setDevicePixelRatio(style::DevicePixelRatio());
 	image.fill(Qt::transparent);
 	{
 		QPainter p(&image);
@@ -3097,7 +3097,8 @@ void Widget::paintEvent(QPaintEvent *e) {
 	auto belowTop = _scroll->y() + _scroll->height();
 	if (!_widthAnimationCache.isNull()) {
 		p.drawPixmapLeft(0, _scroll->y(), width(), _widthAnimationCache);
-		belowTop = _scroll->y() + (_widthAnimationCache.height() / cIntRetinaFactor());
+		belowTop = _scroll->y()
+			+ (_widthAnimationCache.height() / style::DevicePixelRatio());
 	}
 
 	auto below = QRect(0, belowTop, width(), height() - belowTop);
diff --git a/Telegram/SourceFiles/dialogs/ui/dialogs_video_userpic.cpp b/Telegram/SourceFiles/dialogs/ui/dialogs_video_userpic.cpp
index bfc056243..188d512e8 100644
--- a/Telegram/SourceFiles/dialogs/ui/dialogs_video_userpic.cpp
+++ b/Telegram/SourceFiles/dialogs/ui/dialogs_video_userpic.cpp
@@ -99,7 +99,7 @@ Media::Clip::FrameRequest VideoUserpic::request(int size) const {
 	return {
 		.frame = { size, size },
 		.outer = { size, size },
-		.factor = cIntRetinaFactor(),
+		.factor = style::DevicePixelRatio(),
 		.radius = ImageRoundRadius::Ellipse,
 	};
 }
diff --git a/Telegram/SourceFiles/editor/photo_editor_controls.cpp b/Telegram/SourceFiles/editor/photo_editor_controls.cpp
index ae0f3355d..72a433865 100644
--- a/Telegram/SourceFiles/editor/photo_editor_controls.cpp
+++ b/Telegram/SourceFiles/editor/photo_editor_controls.cpp
@@ -87,9 +87,9 @@ void EdgeButton::init() {
 
 QImage EdgeButton::rounded(std::optional<QColor> color) const {
 	auto result = QImage(
-		_rippleRect.size() * cIntRetinaFactor(),
+		_rippleRect.size() * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	result.setDevicePixelRatio(cIntRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	result.fill(color.value_or(Qt::white));
 
 	const auto parts = RectPart::None
@@ -170,9 +170,9 @@ ButtonBar::ButtonBar(
 		}
 
 		auto result = QImage(
-			size * cIntRetinaFactor(),
+			size * style::DevicePixelRatio(),
 			QImage::Format_ARGB32_Premultiplied);
-		result.setDevicePixelRatio(cIntRetinaFactor());
+		result.setDevicePixelRatio(style::DevicePixelRatio());
 		result.fill(bg->c);
 
 		_roundedBg = Images::Round(
diff --git a/Telegram/SourceFiles/editor/scene/scene_item_sticker.cpp b/Telegram/SourceFiles/editor/scene/scene_item_sticker.cpp
index c678452e9..2cf42d10c 100644
--- a/Telegram/SourceFiles/editor/scene/scene_item_sticker.cpp
+++ b/Telegram/SourceFiles/editor/scene/scene_item_sticker.cpp
@@ -43,7 +43,7 @@ ItemSticker::ItemSticker(
 				_mediaView.get(),
 				ChatHelpers::StickerLottieSize::MessageHistory,
 				QSize(kStickerSideSize, kStickerSideSize)
-					* cIntRetinaFactor(),
+					* style::DevicePixelRatio(),
 				Lottie::Quality::High);
 			_lottie.player->updates(
 			) | rpl::start_with_next([=] {
diff --git a/Telegram/SourceFiles/history/view/history_view_group_call_bar.cpp b/Telegram/SourceFiles/history/view/history_view_group_call_bar.cpp
index 7fc19532a..0b978acb3 100644
--- a/Telegram/SourceFiles/history/view/history_view_group_call_bar.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_group_call_bar.cpp
@@ -38,13 +38,13 @@ void GenerateUserpicsInRow(
 	const auto single = st.size;
 	const auto shift = st.shift;
 	const auto width = single + (limit - 1) * (single - shift);
-	if (result.width() != width * cIntRetinaFactor()) {
+	if (result.width() != width * style::DevicePixelRatio()) {
 		result = QImage(
-			QSize(width, single) * cIntRetinaFactor(),
+			QSize(width, single) * style::DevicePixelRatio(),
 			QImage::Format_ARGB32_Premultiplied);
 	}
 	result.fill(Qt::transparent);
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 
 	auto q = Painter(&result);
 	auto hq = PainterHighQualityEnabler(q);
diff --git a/Telegram/SourceFiles/history/view/history_view_pinned_bar.cpp b/Telegram/SourceFiles/history/view/history_view_pinned_bar.cpp
index 2b82db6f2..d530e4779 100644
--- a/Telegram/SourceFiles/history/view/history_view_pinned_bar.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_pinned_bar.cpp
@@ -44,12 +44,13 @@ namespace {
 	auto result = ContentWithoutPreview(item, repaint);
 	if (!preview) {
 		static const auto kEmpty = [&] {
-			const auto size = st::historyReplyHeight * cIntRetinaFactor();
+			const auto size = st::historyReplyHeight
+				* style::DevicePixelRatio();
 			auto result = QImage(
 				QSize(size, size),
 				QImage::Format_ARGB32_Premultiplied);
 			result.fill(Qt::transparent);
-			result.setDevicePixelRatio(cRetinaFactor());
+			result.setDevicePixelRatio(style::DevicePixelRatio());
 			return result;
 		}();
 		result.preview = kEmpty;
diff --git a/Telegram/SourceFiles/history/view/history_view_service_message.cpp b/Telegram/SourceFiles/history/view/history_view_service_message.cpp
index acd5929f6..ee07aa326 100644
--- a/Telegram/SourceFiles/history/view/history_view_service_message.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_service_message.cpp
@@ -73,14 +73,14 @@ int PaintBubbleSide(
 	if (style == SideStyle::Rounded) {
 		const auto &corners = st->serviceBgCornersNormal();
 		const auto left = corners.p[(side == CornerTop) ? 0 : 2];
-		const auto leftWidth = left.width() / cIntRetinaFactor();
+		const auto leftWidth = left.width() / style::DevicePixelRatio();
 		p.drawPixmap(x, y, left);
 
 		const auto right = corners.p[(side == CornerTop) ? 1 : 3];
-		const auto rightWidth = right.width() / cIntRetinaFactor();
+		const auto rightWidth = right.width() / style::DevicePixelRatio();
 		p.drawPixmap(x + width - rightWidth, y, right);
 
-		const auto cornerHeight = left.height() / cIntRetinaFactor();
+		const auto cornerHeight = left.height() / style::DevicePixelRatio();
 		p.fillRect(
 			x + leftWidth,
 			y,
@@ -92,7 +92,7 @@ int PaintBubbleSide(
 		// CornerLeft and CornerRight are inverted in the top part.
 		const auto &corners = st->serviceBgCornersInverted();
 		const auto left = corners.p[(side == CornerTop) ? 1 : 2];
-		const auto leftWidth = left.width() / cIntRetinaFactor();
+		const auto leftWidth = left.width() / style::DevicePixelRatio();
 		p.drawPixmap(x - leftWidth, y, left);
 
 		const auto right = corners.p[(side == CornerTop) ? 0 : 3];
diff --git a/Telegram/SourceFiles/history/view/media/history_view_gif.cpp b/Telegram/SourceFiles/history/view/media/history_view_gif.cpp
index 9b5ff9e12..bda09fe8d 100644
--- a/Telegram/SourceFiles/history/view/media/history_view_gif.cpp
+++ b/Telegram/SourceFiles/history/view/media/history_view_gif.cpp
@@ -536,7 +536,7 @@ void Gif::draw(Painter &p, const PaintContext &context) const {
 	if (streamed && !skipDrawingContent && !fullHiddenBySpoiler) {
 		auto paused = context.paused;
 		auto request = ::Media::Streaming::FrameRequest{
-			.outer = QSize(usew, painth) * cIntRetinaFactor(),
+			.outer = QSize(usew, painth) * style::DevicePixelRatio(),
 			.blurredBackground = true,
 		};
 		if (isRound) {
@@ -1384,8 +1384,8 @@ void Gif::drawGrouped(
 			{ originalWidth, originalHeight },
 			{ geometry.width(), geometry.height() });
 		auto request = ::Media::Streaming::FrameRequest{
-			.resize = pixSize * cIntRetinaFactor(),
-			.outer = geometry.size() * cIntRetinaFactor(),
+			.resize = pixSize * style::DevicePixelRatio(),
+			.outer = geometry.size() * style::DevicePixelRatio(),
 			.rounding = MediaRoundingMask(rounding),
 		};
 		if (activeOwnPlaying->instance.playerLocked()) {
diff --git a/Telegram/SourceFiles/history/view/media/history_view_large_emoji.cpp b/Telegram/SourceFiles/history/view/media/history_view_large_emoji.cpp
index 320f6e22c..0f77af125 100644
--- a/Telegram/SourceFiles/history/view/media/history_view_large_emoji.cpp
+++ b/Telegram/SourceFiles/history/view/media/history_view_large_emoji.cpp
@@ -75,7 +75,7 @@ QSize LargeEmoji::countOptimalSize() {
 	const auto count = _images.size()
 		- ranges::count(_images, LargeEmojiMedia());
 
-	const auto single = LargeEmojiImage::Size() / cIntRetinaFactor();
+	const auto single = LargeEmojiImage::Size() / style::DevicePixelRatio();
 	const auto skip = st::largeEmojiSkip - 2 * st::largeEmojiOutline;
 	const auto inner = count * single.width() + (count - 1) * skip;
 	const auto &padding = st::largeEmojiPadding;
@@ -95,7 +95,7 @@ void LargeEmoji::draw(
 	auto x = r.x() + (r.width() - _size.width()) / 2 + padding.left();
 	const auto y = r.y() + (r.height() - _size.height()) / 2 + padding.top();
 	const auto skip = st::largeEmojiSkip - 2 * st::largeEmojiOutline;
-	const auto size = LargeEmojiImage::Size() / cIntRetinaFactor();
+	const auto size = LargeEmojiImage::Size() / style::DevicePixelRatio();
 	const auto selected = context.selected();
 	if (!selected) {
 		_selectedFrame = QImage();
diff --git a/Telegram/SourceFiles/history/view/media/history_view_sticker.cpp b/Telegram/SourceFiles/history/view/media/history_view_sticker.cpp
index 6f182e171..cefaad0c2 100644
--- a/Telegram/SourceFiles/history/view/media/history_view_sticker.cpp
+++ b/Telegram/SourceFiles/history/view/media/history_view_sticker.cpp
@@ -276,7 +276,7 @@ void Sticker::paintAnimationFrame(
 			base::duplicate(image),
 			context.st->msgStickerOverlay()->c)
 		: image;
-	const auto size = prepared.size() / cIntRetinaFactor();
+	const auto size = prepared.size() / style::DevicePixelRatio();
 	p.drawImage(
 		QRect(
 			QPoint(
diff --git a/Telegram/SourceFiles/history/view/media/history_view_theme_document.cpp b/Telegram/SourceFiles/history/view/media/history_view_theme_document.cpp
index 96bd885f3..ef72e8f08 100644
--- a/Telegram/SourceFiles/history/view/media/history_view_theme_document.cpp
+++ b/Telegram/SourceFiles/history/view/media/history_view_theme_document.cpp
@@ -352,7 +352,7 @@ QImage ThemeDocument::finishServiceThumbnail(QImage image) const {
 	if (!_serviceWidth) {
 		return image;
 	} else if (_isDark && _dimmingIntensity > 0) {
-		image.setDevicePixelRatio(cIntRetinaFactor());
+		image.setDevicePixelRatio(style::DevicePixelRatio());
 		auto p = QPainter(&image);
 		const auto alpha = 255 * _dimmingIntensity / 100;
 		p.fillRect(0, 0, _pixw, _pixh, QColor(0, 0, 0, alpha));
@@ -366,13 +366,13 @@ QImage ThemeDocument::finishServiceThumbnail(QImage image) const {
 
 void ThemeDocument::generateThumbnail() const {
 	auto image = Ui::GenerateBackgroundImage(
-		QSize(_pixw, _pixh) * cIntRetinaFactor(),
+		QSize(_pixw, _pixh) * style::DevicePixelRatio(),
 		_background,
 		_gradientRotation,
 		_patternOpacity);
 	_thumbnail = Ui::PixmapFromImage(
 		finishServiceThumbnail(std::move(image)));
-	_thumbnail.setDevicePixelRatio(cRetinaFactor());
+	_thumbnail.setDevicePixelRatio(style::DevicePixelRatio());
 	_thumbnailGood = 1;
 }
 
diff --git a/Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp b/Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp
index e8b6181fb..616280a7e 100644
--- a/Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp
+++ b/Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp
@@ -330,7 +330,7 @@ void Gif::validateThumbnail(
 		bool good) const {
 	if (!image || (_thumbGood && !good)) {
 		return;
-	} else if ((_thumb.size() == size * cIntRetinaFactor())
+	} else if ((_thumb.size() == size * style::DevicePixelRatio())
 		&& (_thumbGood || !good)) {
 		return;
 	}
@@ -503,7 +503,7 @@ void Sticker::paint(Painter &p, const QRect &clip, const PaintContext *context)
 	prepareThumbnail();
 	if (_lottie && _lottie->ready()) {
 		const auto frame = _lottie->frame();
-		const auto size = frame.size() / cIntRetinaFactor();
+		const auto size = frame.size() / style::DevicePixelRatio();
 		const auto pos = QPoint(
 			(st::stickerPanSize.width() - size.width()) / 2,
 			(st::stickerPanSize.height() - size.height()) / 2);
@@ -524,8 +524,11 @@ void Sticker::paint(Painter &p, const QRect &clip, const PaintContext *context)
 			(st::stickerPanSize.height() - size.width()) / 2,
 			frame);
 	} else if (!_thumb.isNull()) {
-		int w = _thumb.width() / cIntRetinaFactor(), h = _thumb.height() / cIntRetinaFactor();
-		QPoint pos = QPoint((st::stickerPanSize.width() - w) / 2, (st::stickerPanSize.height() - h) / 2);
+		const auto w = _thumb.width() / style::DevicePixelRatio();
+		const auto h = _thumb.height() / style::DevicePixelRatio();
+		const auto pos = QPoint(
+			(st::stickerPanSize.width() - w) / 2,
+			(st::stickerPanSize.height() - h) / 2);
 		p.drawPixmap(pos, _thumb);
 	} else if (context->pathGradient) {
 		const auto thumbSize = getThumbSize();
@@ -583,7 +586,7 @@ void Sticker::setupLottie() const {
 	_lottie = ChatHelpers::LottiePlayerFromDocument(
 		_dataMedia.get(),
 		ChatHelpers::StickerLottieSize::InlineResults,
-		boundingBox() * cIntRetinaFactor());
+		boundingBox() * style::DevicePixelRatio());
 
 	_lottie->updates(
 	) | rpl::start_with_next([=] {
@@ -736,7 +739,7 @@ void Photo::validateThumbnail(
 		bool good) const {
 	if (!image || (_thumbGood && !good)) {
 		return;
-	} else if ((_thumb.size() == size * cIntRetinaFactor())
+	} else if ((_thumb.size() == size * style::DevicePixelRatio())
 		&& (_thumbGood || !good)) {
 		return;
 	}
@@ -893,7 +896,7 @@ void Video::prepareThumbnail(QSize size) const {
 	if (!thumb) {
 		return;
 	}
-	if (_thumb.size() != size * cIntRetinaFactor()) {
+	if (_thumb.size() != size * style::DevicePixelRatio()) {
 		const auto width = size.width();
 		const auto height = size.height();
 		auto w = qMax(style::ConvertScale(thumb->width()), 1);
@@ -1225,7 +1228,8 @@ TextState Contact::getState(
 
 void Contact::prepareThumbnail(int width, int height) const {
 	if (!hasResultThumb()) {
-		if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
+		if ((_thumb.width() != width * style::DevicePixelRatio())
+			|| (_thumb.height() != height * style::DevicePixelRatio())) {
 			_thumb = getResultContactAvatar(width, height);
 		}
 		return;
@@ -1234,8 +1238,8 @@ void Contact::prepareThumbnail(int width, int height) const {
 	const auto origin = fileOrigin();
 	const auto thumb = getResultThumb(origin);
 	if (!thumb
-		|| ((_thumb.width() == width * cIntRetinaFactor())
-			&& (_thumb.height() == height * cIntRetinaFactor()))) {
+		|| ((_thumb.width() == width * style::DevicePixelRatio())
+			&& (_thumb.height() == height * style::DevicePixelRatio()))) {
 		return;
 	}
 	auto w = qMax(style::ConvertScale(thumb->width()), 1);
@@ -1383,7 +1387,8 @@ TextState Article::getState(
 
 void Article::prepareThumbnail(int width, int height) const {
 	if (!hasResultThumb()) {
-		if (_thumb.width() != width * cIntRetinaFactor() || _thumb.height() != height * cIntRetinaFactor()) {
+		if ((_thumb.width() != width * style::DevicePixelRatio())
+			|| (_thumb.height() != height * style::DevicePixelRatio())) {
 			_thumb = getResultContactAvatar(width, height);
 		}
 		return;
@@ -1392,8 +1397,8 @@ void Article::prepareThumbnail(int width, int height) const {
 	const auto origin = fileOrigin();
 	const auto thumb = getResultThumb(origin);
 	if (!thumb
-		|| ((_thumb.width() == width * cIntRetinaFactor())
-			&& (_thumb.height() == height * cIntRetinaFactor()))) {
+		|| ((_thumb.width() == width * style::DevicePixelRatio())
+			&& (_thumb.height() == height * style::DevicePixelRatio()))) {
 		return;
 	}
 	auto w = qMax(style::ConvertScale(thumb->width()), 1);
@@ -1609,7 +1614,7 @@ void Game::ensureDataMediaCreated(not_null<PhotoData*> photo) const {
 void Game::validateThumbnail(Image *image, QSize size, bool good) const {
 	if (!image || (_thumbGood && !good)) {
 		return;
-	} else if ((_thumb.size() == size * cIntRetinaFactor())
+	} else if ((_thumb.size() == size * style::DevicePixelRatio())
 		&& (_thumbGood || !good)) {
 		return;
 	}
diff --git a/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp b/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp
index 2f5242e85..34acc4093 100644
--- a/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp
+++ b/Telegram/SourceFiles/inline_bots/inline_bot_layout_item.cpp
@@ -165,9 +165,9 @@ QPixmap ItemBase::getResultContactAvatar(int width, int height) const {
 				BareId(qHash(_result->_id)))),
 			_result->getLayoutTitle()
 		).generate(width);
-		if (result.height() != height * cIntRetinaFactor()) {
+		if (result.height() != height * style::DevicePixelRatio()) {
 			result = result.scaled(
-				QSize(width, height) * cIntRetinaFactor(),
+				QSize(width, height) * style::DevicePixelRatio(),
 				Qt::IgnoreAspectRatio,
 				Qt::SmoothTransformation);
 		}
diff --git a/Telegram/SourceFiles/inline_bots/inline_bot_result.cpp b/Telegram/SourceFiles/inline_bots/inline_bot_result.cpp
index 5931c22c4..612d35769 100644
--- a/Telegram/SourceFiles/inline_bots/inline_bot_result.cpp
+++ b/Telegram/SourceFiles/inline_bots/inline_bot_result.cpp
@@ -284,7 +284,7 @@ std::unique_ptr<Result> Result::Create(
 	});
 
 	if (const auto point = result->getLocationPoint()) {
-		const auto scale = 1 + (cScale() * cIntRetinaFactor()) / 200;
+		const auto scale = 1 + (cScale() * style::DevicePixelRatio()) / 200;
 		const auto zoom = 15 + (scale - 1);
 		const auto w = st::inlineThumbSize / scale;
 		const auto h = st::inlineThumbSize / scale;
diff --git a/Telegram/SourceFiles/inline_bots/inline_results_widget.cpp b/Telegram/SourceFiles/inline_bots/inline_results_widget.cpp
index 3808ed989..c6e4b3380 100644
--- a/Telegram/SourceFiles/inline_bots/inline_results_widget.cpp
+++ b/Telegram/SourceFiles/inline_bots/inline_results_widget.cpp
@@ -236,7 +236,11 @@ void Widget::startShowAnimation() {
 
 		_showAnimation = std::make_unique<Ui::PanelAnimation>(st::emojiPanAnimation, Ui::PanelAnimation::Origin::BottomLeft);
 		auto inner = rect().marginsRemoved(st::emojiPanMargins);
-		_showAnimation->setFinalImage(std::move(image), QRect(inner.topLeft() * cIntRetinaFactor(), inner.size() * cIntRetinaFactor()));
+		_showAnimation->setFinalImage(
+			std::move(image),
+			QRect(
+				inner.topLeft() * style::DevicePixelRatio(),
+				inner.size() * style::DevicePixelRatio()));
 		_showAnimation->setCornerMasks(Images::CornersMask(ImageRoundRadius::Small));
 		_showAnimation->start();
 	}
@@ -246,8 +250,10 @@ void Widget::startShowAnimation() {
 
 QImage Widget::grabForPanelAnimation() {
 	Ui::SendPendingMoveResizeEvents(this);
-	auto result = QImage(size() * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
-	result.setDevicePixelRatio(cRetinaFactor());
+	auto result = QImage(
+		size() * style::DevicePixelRatio(),
+		QImage::Format_ARGB32_Premultiplied);
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	result.fill(Qt::transparent);
 	_inPanelGrab = true;
 	render(&result);
diff --git a/Telegram/SourceFiles/intro/intro_qr.cpp b/Telegram/SourceFiles/intro/intro_qr.cpp
index 3ad8aead8..a76f7539d 100644
--- a/Telegram/SourceFiles/intro/intro_qr.cpp
+++ b/Telegram/SourceFiles/intro/intro_qr.cpp
@@ -119,7 +119,7 @@ namespace {
 			1,
 			st::introQrPixel);
 		const auto size = has
-			? (state->qr.size() / cIntRetinaFactor())
+			? (state->qr.size() / style::DevicePixelRatio())
 			: QSize(usualSize * pixel, usualSize * pixel);
 		const auto qr = QRect(
 			(result->width() - size.width()) / 2,
diff --git a/Telegram/SourceFiles/intro/intro_step.cpp b/Telegram/SourceFiles/intro/intro_step.cpp
index 6c8a18227..9c408f412 100644
--- a/Telegram/SourceFiles/intro/intro_step.cpp
+++ b/Telegram/SourceFiles/intro/intro_step.cpp
@@ -383,10 +383,20 @@ void Step::hideDescription() {
 
 void Step::paintContentSnapshot(QPainter &p, const QPixmap &snapshot, float64 alpha, float64 howMuchHidden) {
 	if (!snapshot.isNull()) {
-		auto contentTop = anim::interpolate(height() - (snapshot.height() / cIntRetinaFactor()), height(), howMuchHidden);
+		const auto contentTop = anim::interpolate(
+			height() - (snapshot.height() / style::DevicePixelRatio()),
+			height(),
+			howMuchHidden);
 		if (contentTop < height()) {
 			p.setOpacity(alpha);
-			p.drawPixmap(QPoint(contentLeft(), contentTop), snapshot, QRect(0, 0, snapshot.width(), (height() - contentTop) * cIntRetinaFactor()));
+			p.drawPixmap(
+				QPoint(contentLeft(), contentTop),
+				snapshot,
+				QRect(
+					0,
+					0,
+					snapshot.width(),
+					(height() - contentTop) * style::DevicePixelRatio()));
 		}
 	}
 }
@@ -394,8 +404,8 @@ void Step::paintContentSnapshot(QPainter &p, const QPixmap &snapshot, float64 al
 void Step::prepareCoverMask() {
 	if (!_coverMask.isNull()) return;
 
-	auto maskWidth = cIntRetinaFactor();
-	auto maskHeight = st::introCoverHeight * cIntRetinaFactor();
+	auto maskWidth = style::DevicePixelRatio();
+	auto maskHeight = st::introCoverHeight * style::DevicePixelRatio();
 	auto mask = QImage(maskWidth, maskHeight, QImage::Format_ARGB32_Premultiplied);
 	auto maskInts = reinterpret_cast<uint32*>(mask.bits());
 	Assert(mask.depth() == (sizeof(uint32) << 3));
@@ -416,7 +426,14 @@ void Step::prepareCoverMask() {
 void Step::paintCover(QPainter &p, int top) {
 	auto coverHeight = top + st::introCoverHeight;
 	if (coverHeight > 0) {
-		p.drawPixmap(QRect(0, 0, width(), coverHeight), _coverMask, QRect(0, -top * cIntRetinaFactor(), _coverMask.width(), coverHeight * cIntRetinaFactor()));
+		p.drawPixmap(
+			QRect(0, 0, width(), coverHeight),
+			_coverMask,
+			QRect(
+				0,
+				-top * style::DevicePixelRatio(),
+				_coverMask.width(),
+				coverHeight * style::DevicePixelRatio()));
 	}
 
 	auto left = 0;
diff --git a/Telegram/SourceFiles/media/view/media_view_group_thumbs.cpp b/Telegram/SourceFiles/media/view/media_view_group_thumbs.cpp
index 6568df3b0..2aff46067 100644
--- a/Telegram/SourceFiles/media/view/media_view_group_thumbs.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_group_thumbs.cpp
@@ -289,15 +289,15 @@ void GroupThumbs::Thumb::validateImage() {
 		const auto takeWidth = originalWidth * st::mediaviewGroupWidthMax
 			/ pixSize.width();
 		auto original = _image->original();
-		original.setDevicePixelRatio(cRetinaFactor());
+		original.setDevicePixelRatio(style::DevicePixelRatio());
 		_full = Ui::PixmapFromImage(original.copy(
 			(originalWidth - takeWidth) / 2,
 			0,
 			takeWidth,
 			originalHeight
 		).scaled(
-			st::mediaviewGroupWidthMax * cIntRetinaFactor(),
-			pixSize.height() * cIntRetinaFactor(),
+			st::mediaviewGroupWidthMax * style::DevicePixelRatio(),
+			pixSize.height() * style::DevicePixelRatio(),
 			Qt::IgnoreAspectRatio,
 			Qt::SmoothTransformation));
 	} else {
@@ -428,7 +428,7 @@ void GroupThumbs::Thumb::paint(
 	if (width == _fullWidth) {
 		p.drawPixmap(left, y, _full);
 	} else {
-		const auto takeWidth = width * cIntRetinaFactor();
+		const auto takeWidth = width * style::DevicePixelRatio();
 		const auto from = QRect(
 			(_full.width() - takeWidth) / 2,
 			0,
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
index b4965fe6f..b1a1539ec 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
@@ -443,9 +443,9 @@ OverlayWidget::OverlayWidget()
 	});
 
 	_docRectImage = QImage(
-		st::mediaviewFileSize * cIntRetinaFactor(),
+		st::mediaviewFileSize * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	_docRectImage.setDevicePixelRatio(cIntRetinaFactor());
+	_docRectImage.setDevicePixelRatio(style::DevicePixelRatio());
 
 	Shortcuts::Requests(
 	) | rpl::start_with_next([=](not_null<Shortcuts::Request*> request) {
@@ -1129,7 +1129,7 @@ void OverlayWidget::setStaticContent(QImage image) {
 		&& image.format() != QImage::Format_RGB32) {
 		image = std::move(image).convertToFormat(kGood);
 	}
-	image.setDevicePixelRatio(cRetinaFactor());
+	image.setDevicePixelRatio(style::DevicePixelRatio());
 	_staticContent = std::move(image);
 	_staticContentTransparent = IsSemitransparent(_staticContent);
 }
@@ -4496,7 +4496,7 @@ void OverlayWidget::validatePhotoImage(Image *image, bool blurred) {
 		return;
 	}
 	const auto use = flipSizeByRotation({ _width, _height })
-		* cIntRetinaFactor();
+		* style::DevicePixelRatio();
 	setStaticContent(image->pixNoCache(
 		use,
 		{ .options = (blurred ? Images::Option::Blur : Images::Option()) }
@@ -4833,7 +4833,7 @@ void OverlayWidget::paintDocumentBubbleContent(
 				}
 			}
 		} else if (const auto thumbnail = _documentMedia->thumbnail()) {
-			int32 rf(cIntRetinaFactor());
+			int32 rf(style::DevicePixelRatio());
 			p.drawPixmap(icon.topLeft(), thumbnail->pix(_docThumbw), QRect(_docThumbx * rf, _docThumby * rf, st::mediaviewFileIconSize * rf, st::mediaviewFileIconSize * rf));
 		}
 	}
diff --git a/Telegram/SourceFiles/media/view/media_view_pip_opengl.cpp b/Telegram/SourceFiles/media/view/media_view_pip_opengl.cpp
index 8fa5f1d13..8e4e8e7c2 100644
--- a/Telegram/SourceFiles/media/view/media_view_pip_opengl.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_pip_opengl.cpp
@@ -251,9 +251,9 @@ void Pip::RendererGL::createShadowTexture() {
 	const auto size = 2 * st::callShadow.topLeft.size()
 		+ QSize(st::roundRadiusLarge, st::roundRadiusLarge);
 	auto image = QImage(
-		size * cIntRetinaFactor(),
+		size * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	image.setDevicePixelRatio(cRetinaFactor());
+	image.setDevicePixelRatio(style::DevicePixelRatio());
 	image.fill(Qt::transparent);
 	{
 		auto p = QPainter(&image);
@@ -433,7 +433,7 @@ void Pip::RendererGL::paintTransformedContent(
 	_f->glActiveTexture(rgbaFrame ? GL_TEXTURE1 : GL_TEXTURE3);
 	_shadowImage.bind(*_f);
 
-	const auto globalFactor = cIntRetinaFactor();
+	const auto globalFactor = style::DevicePixelRatio();
 	const auto fadeAlpha = st::radialBg->c.alphaF() * geometry.fade;
 	const auto roundRect = transformRect(RoundingRect(geometry));
 	program->setUniformValue("roundRect", Uniform(roundRect));
diff --git a/Telegram/SourceFiles/overview/overview_layout.cpp b/Telegram/SourceFiles/overview/overview_layout.cpp
index a7eee4c19..69fc9f292 100644
--- a/Telegram/SourceFiles/overview/overview_layout.cpp
+++ b/Telegram/SourceFiles/overview/overview_layout.cpp
@@ -365,7 +365,8 @@ int32 Photo::resizeGetHeight(int32 width) {
 
 void Photo::paint(Painter &p, const QRect &clip, TextSelection selection, const PaintContext *context) {
 	const auto selected = (selection == FullSelection);
-	const auto widthChanged = _pix.width() != _width * cIntRetinaFactor();
+	const auto widthChanged = (_pix.width()
+		!= (_width * style::DevicePixelRatio()));
 	if (!_goodLoaded || widthChanged) {
 		ensureDataMediaCreated();
 		const auto good = !_spoiler
@@ -515,7 +516,7 @@ void Video::paint(Painter &p, const QRect &clip, TextSelection selection, const
 	const auto radialOpacity = radial ? _radial->opacity() : 0.;
 
 	if ((blurred || thumbnail || good)
-		&& ((_pix.width() != _width * cIntRetinaFactor())
+		&& ((_pix.width() != _width * style::DevicePixelRatio())
 			|| (_pixBlurred && (thumbnail || good)))) {
 		auto img = good
 			? good->original()
@@ -1847,7 +1848,7 @@ void Link::validateThumbnail() {
 		delegate()->unregisterHeavyItem(this);
 	} else {
 		const auto size = QSize(st::linksPhotoSize, st::linksPhotoSize);
-		_thumbnail = QPixmap(size * cIntRetinaFactor());
+		_thumbnail = QPixmap(size * style::DevicePixelRatio());
 		_thumbnail.fill(Qt::transparent);
 		auto p = Painter(&_thumbnail);
 		const auto index = _letter.isEmpty()
@@ -2061,7 +2062,7 @@ void Gif::validateThumbnail(
 		bool good) {
 	if (!image || (_thumbGood && !good)) {
 		return;
-	} else if ((_thumb.size() == size * cIntRetinaFactor())
+	} else if ((_thumb.size() == size * style::DevicePixelRatio())
 		&& (_thumbGood || !good)) {
 		return;
 	}
diff --git a/Telegram/SourceFiles/payments/payments_form.cpp b/Telegram/SourceFiles/payments/payments_form.cpp
index 9ca9bc668..d39b17737 100644
--- a/Telegram/SourceFiles/payments/payments_form.cpp
+++ b/Telegram/SourceFiles/payments/payments_form.cpp
@@ -294,15 +294,15 @@ QImage Form::prepareThumbnail(
 		Qt::KeepAspectRatio,
 		Qt::SmoothTransformation);
 	result = Images::Round(std::move(result), ImageRoundRadius::Large);
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	return result;
 }
 
 QImage Form::prepareEmptyThumbnail() const {
 	auto result = QImage(
-		st::paymentsThumbnailSize * cIntRetinaFactor(),
+		st::paymentsThumbnailSize * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	result.fill(Qt::transparent);
 	return result;
 }
diff --git a/Telegram/SourceFiles/platform/mac/specific_mac_p.mm b/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
index 5ec2ed4a0..48c0cdab0 100644
--- a/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
+++ b/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
@@ -267,7 +267,7 @@ void SetApplicationIcon(const QIcon &icon) {
 	NSImage *image = nil;
 	if (!icon.isNull()) {
 		auto pixmap = icon.pixmap(1024, 1024);
-		pixmap.setDevicePixelRatio(cRetinaFactor());
+		pixmap.setDevicePixelRatio(style::DevicePixelRatio());
 		image = Q2NSImage(pixmap.toImage());
 	}
 	[[NSApplication sharedApplication] setApplicationIconImage:image];
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm
index 3c6bfd25e..477075719 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_pinned_chats_item.mm
@@ -57,7 +57,7 @@ inline bool IsRepliesPeer(PeerData *peer) {
 }
 
 QImage PrepareImage() {
-	const auto s = kCircleDiameter * cIntRetinaFactor();
+	const auto s = kCircleDiameter * style::DevicePixelRatio();
 	auto result = QImage(QSize(s, s), QImage::Format_ARGB32_Premultiplied);
 	result.fill(Qt::transparent);
 	return result;
@@ -102,15 +102,15 @@ QImage UnreadBadge(not_null<PeerData*> peer) {
 	unreadSt.sizeId = Ui::UnreadBadgeSize::TouchBar;
 	unreadSt.muted = state.unreadMuted;
 	// Use constant values to draw badge regardless of cConfigScale().
-	unreadSt.size = kUnreadBadgeSize * cRetinaFactor();
-	unreadSt.padding = 4 * cRetinaFactor();
+	unreadSt.size = kUnreadBadgeSize * float64(style::DevicePixelRatio());
+	unreadSt.padding = 4 * float64(style::DevicePixelRatio());
 	unreadSt.font = style::font(
-		9.5 * cRetinaFactor(),
+		9.5 * float64(style::DevicePixelRatio()),
 		unreadSt.font->flags(),
 		unreadSt.font->family());
 
 	auto result = QImage(
-		QSize(kCircleDiameter, kUnreadBadgeSize) * cIntRetinaFactor(),
+		QSize(kCircleDiameter, kUnreadBadgeSize) * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
 	result.fill(Qt::transparent);
 	Painter p(&result);
@@ -516,7 +516,7 @@ NSRect PeerRectByIndex(int index) {
 		Painter p(&userpic);
 
 		pin->peer->paintUserpic(p, pin->userpicView, 0, 0, userpic.width());
-		userpic.setDevicePixelRatio(cRetinaFactor());
+		userpic.setDevicePixelRatio(style::DevicePixelRatio());
 		pin->userpic = std::move(userpic);
 		const auto userpicIndex = pin->index + [self shift];
 		[self setNeedsDisplayInRect:PeerRectByIndex(userpicIndex)];
@@ -816,12 +816,14 @@ NSRect PeerRectByIndex(int index) {
 		const auto rectRight = NSMaxX(rect);
 		if (!pin->unreadBadge.isNull()) {
 			CGImageRef image = pin->unreadBadge.toCGImage();
-			const auto w = CGImageGetWidth(image) / cRetinaFactor();
+			const auto w = CGImageGetWidth(image)
+				/ float64(style::DevicePixelRatio());
 			const auto borderRect = CGRectMake(
 				rectRight - w,
 				0,
 				w,
-				CGImageGetHeight(image) / cRetinaFactor());
+				CGImageGetHeight(image)
+					/ float64(style::DevicePixelRatio()));
 			CGContextDrawImage(context, borderRect, image);
 			CGImageRelease(image);
 			return;
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.mm b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.mm
index 7ec68e337..ac97db92d 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/items/mac_scrubber_item.mm
@@ -146,9 +146,9 @@ using Platform::Q2NSImage;
 
 NSImage *CreateNSImageFromEmoji(EmojiPtr emoji) {
 	auto image = QImage(
-		QSize(kIdealIconSize, kIdealIconSize) * cIntRetinaFactor(),
+		QSize(kIdealIconSize, kIdealIconSize) * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	image.setDevicePixelRatio(cRetinaFactor());
+	image.setDevicePixelRatio(style::DevicePixelRatio());
 	image.fill(Qt::black);
 	{
 		Painter paint(&image);
diff --git a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.mm b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.mm
index 5a7e8ed37..3f749a22b 100644
--- a/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.mm
+++ b/Telegram/SourceFiles/platform/mac/touchbar/mac_touchbar_common.mm
@@ -20,7 +20,7 @@ int WidthFromString(NSString *s) {
 
 NSImage *CreateNSImageFromStyleIcon(const style::icon &icon, int size) {
 	auto instance = icon.instance(QColor(255, 255, 255, 255), 100);
-	instance.setDevicePixelRatio(cRetinaFactor());
+	instance.setDevicePixelRatio(style::DevicePixelRatio());
 	NSImage *image = Platform::Q2NSImage(instance);
 	[image setSize:NSMakeSize(size, size)];
 	return image;
diff --git a/Telegram/SourceFiles/platform/mac/window_title_mac.mm b/Telegram/SourceFiles/platform/mac/window_title_mac.mm
index b18d8c287..946312280 100644
--- a/Telegram/SourceFiles/platform/mac/window_title_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/window_title_mac.mm
@@ -32,7 +32,7 @@ int PreviewTitleHeight() {
 
 QImage PreviewWindowSystemButton(QColor inner, QColor border) {
 	auto buttonSize = 12;
-	auto fullSize = buttonSize * cIntRetinaFactor();
+	auto fullSize = buttonSize * style::DevicePixelRatio();
 	auto result = QImage(fullSize, fullSize, QImage::Format_ARGB32_Premultiplied);
 	result.fill(Qt::transparent);
 	{
@@ -43,7 +43,7 @@ QImage PreviewWindowSystemButton(QColor inner, QColor border) {
 		p.setBrush(inner);
 		p.drawEllipse(QRectF(0.5, 0.5, fullSize - 1., fullSize - 1.));
 	}
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	return result;
 }
 
@@ -93,17 +93,32 @@ void PreviewWindowTitle(Painter &p, const style::palette &palette, QRect body, i
 	auto maximizeBorder = isGraphite ? graphiteBorder : QColor(21, 164, 41);
 	auto close = PreviewWindowSystemButton(closeInner, closeBorder);
 	auto left = buttonSkip;
-	p.drawImage(titleRect.x() + left, titleRect.y() + (titleRect.height() - (close.height() / cIntRetinaFactor())) / 2, close);
-	left += (close.width() / cIntRetinaFactor()) + buttonSkip;
+	p.drawImage(
+		titleRect.x() + left,
+		titleRect.y()
+			+ (titleRect.height()
+				- (close.height() / style::DevicePixelRatio())) / 2,
+		close);
+	left += (close.width() / style::DevicePixelRatio()) + buttonSkip;
 	auto minimize = PreviewWindowSystemButton(minimizeInner, minimizeBorder);
-	p.drawImage(titleRect.x() + left, titleRect.y() + (titleRect.height() - (minimize.height() / cIntRetinaFactor())) / 2, minimize);
-	left += (minimize.width() / cIntRetinaFactor()) + buttonSkip;
+	p.drawImage(
+		titleRect.x() + left,
+		titleRect.y()
+			+ (titleRect.height()
+				- (minimize.height() / style::DevicePixelRatio())) / 2,
+		minimize);
+	left += (minimize.width() / style::DevicePixelRatio()) + buttonSkip;
 	auto maximize = PreviewWindowSystemButton(maximizeInner, maximizeBorder);
-	p.drawImage(titleRect.x() + left, titleRect.y() + (titleRect.height() - (maximize.height() / cIntRetinaFactor())) / 2, maximize);
+	p.drawImage(
+		titleRect.x() + left,
+		titleRect.y()
+			+ (titleRect.height()
+				- (maximize.height() / style::DevicePixelRatio())) / 2,
+		maximize);
 }
 
 void PreviewWindowFramePaint(QImage &preview, const style::palette &palette, QRect body, int outerWidth) {
-	auto retina = cIntRetinaFactor();
+	auto retina = style::DevicePixelRatio();
 	auto titleHeight = PreviewTitleHeight();
 	{
 		Painter p(&preview);
@@ -113,7 +128,7 @@ void PreviewWindowFramePaint(QImage &preview, const style::palette &palette, QRe
 
 	auto retinaRadius = st::macWindowRoundRadius * retina;
 	auto roundMask = QImage(2 * retinaRadius, 2 * retinaRadius, QImage::Format_ARGB32_Premultiplied);
-	roundMask.setDevicePixelRatio(cRetinaFactor());
+	roundMask.setDevicePixelRatio(style::DevicePixelRatio());
 	roundMask.fill(Qt::transparent);
 	{
 		Painter p(&roundMask);
@@ -135,7 +150,7 @@ void PreviewWindowFramePaint(QImage &preview, const style::palette &palette, QRe
 			inner.width() * retina,
 			inner.height() * retina),
 			corners);
-	rounded.setDevicePixelRatio(cRetinaFactor());
+	rounded.setDevicePixelRatio(style::DevicePixelRatio());
 	preview.fill(st::themePreviewBg->c);
 
 	auto topLeft = st::macWindowShadowTopLeft.instance(QColor(0, 0, 0), 100);
diff --git a/Telegram/SourceFiles/settings.h b/Telegram/SourceFiles/settings.h
index c99ad9597..c0d6f1cbb 100644
--- a/Telegram/SourceFiles/settings.h
+++ b/Telegram/SourceFiles/settings.h
@@ -126,14 +126,6 @@ inline bool passcodeCanTry() {
 	return dt >= 30000;
 }
 
-inline float64 cRetinaFactor() {
-	return style::DevicePixelRatio();
-}
-
-inline int32 cIntRetinaFactor() {
-	return style::DevicePixelRatio();
-}
-
 inline int cEvalScale(int scale) {
 	return (scale == style::kScaleAuto) ? cScreenScale() : scale;
 }
diff --git a/Telegram/SourceFiles/settings/settings_chat.cpp b/Telegram/SourceFiles/settings/settings_chat.cpp
index d4f1e8b7e..d7c977df6 100644
--- a/Telegram/SourceFiles/settings/settings_chat.cpp
+++ b/Telegram/SourceFiles/settings/settings_chat.cpp
@@ -478,7 +478,7 @@ void BackgroundRow::paintEvent(QPaintEvent *e) {
 			const auto &pix = backThumb->pix(
 				st::settingsBackgroundThumb,
 				{ .options = Images::Option::Blur });
-			const auto factor = cIntRetinaFactor();
+			const auto factor = style::DevicePixelRatio();
 			p.drawPixmap(
 				0,
 				0,
@@ -585,7 +585,7 @@ void BackgroundRow::radialAnimationCallback(crl::time now) {
 
 void BackgroundRow::updateImage() {
 	const auto size = st::settingsBackgroundThumb;
-	const auto fullsize = size * cIntRetinaFactor();
+	const auto fullsize = size * style::DevicePixelRatio();
 
 	const auto &background = *Window::Theme::Background();
 	const auto &paper = background.paper();
@@ -619,7 +619,7 @@ void BackgroundRow::updateImage() {
 		auto result = QImage(
 			QSize{ fullsize, fullsize },
 			QImage::Format_ARGB32_Premultiplied);
-		result.setDevicePixelRatio(cRetinaFactor());
+		result.setDevicePixelRatio(style::DevicePixelRatio());
 		if (const auto color = background.colorForFill()) {
 			result.fill(*color);
 			return result;
@@ -644,7 +644,7 @@ void BackgroundRow::updateImage() {
 		: prepareNormal();
 	_background = Ui::PixmapFromImage(
 		Images::Round(std::move(back), ImageRoundRadius::Small));
-	_background.setDevicePixelRatio(cRetinaFactor());
+	_background.setDevicePixelRatio(style::DevicePixelRatio());
 
 	rtlupdate(radialRect());
 
diff --git a/Telegram/SourceFiles/settings/settings_notifications.cpp b/Telegram/SourceFiles/settings/settings_notifications.cpp
index ddfb849f8..fdfe37148 100644
--- a/Telegram/SourceFiles/settings/settings_notifications.cpp
+++ b/Telegram/SourceFiles/settings/settings_notifications.cpp
@@ -390,8 +390,10 @@ int NotificationsCount::resizeGetHeight(int newWidth) {
 void NotificationsCount::prepareNotificationSampleSmall() {
 	auto width = st::notificationSampleSize.width();
 	auto height = st::notificationSampleSize.height();
-	auto sampleImage = QImage(width * cIntRetinaFactor(), height * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
-	sampleImage.setDevicePixelRatio(cRetinaFactor());
+	auto sampleImage = QImage(
+		QSize(width, height) * style::DevicePixelRatio(),
+		QImage::Format_ARGB32_Premultiplied);
+	sampleImage.setDevicePixelRatio(style::DevicePixelRatio());
 	sampleImage.fill(st::notificationBg->c);
 	{
 		Painter p(&sampleImage);
@@ -422,28 +424,29 @@ void NotificationsCount::prepareNotificationSampleSmall() {
 		p.fillRect(style::rtlrect(closeLeft, padding, padding, padding, width), st::notificationSampleCloseFg);
 	}
 	_notificationSampleSmall = Ui::PixmapFromImage(std::move(sampleImage));
-	_notificationSampleSmall.setDevicePixelRatio(cRetinaFactor());
+	_notificationSampleSmall.setDevicePixelRatio(style::DevicePixelRatio());
 }
 
 void NotificationsCount::prepareNotificationSampleUserpic() {
 	if (_notificationSampleUserpic.isNull()) {
 		_notificationSampleUserpic = Ui::PixmapFromImage(
 			Window::LogoNoMargin().scaled(
-				st::notifyPhotoSize * cIntRetinaFactor(),
-				st::notifyPhotoSize * cIntRetinaFactor(),
+				st::notifyPhotoSize * style::DevicePixelRatio(),
+				st::notifyPhotoSize * style::DevicePixelRatio(),
 				Qt::IgnoreAspectRatio,
 				Qt::SmoothTransformation));
-		_notificationSampleUserpic.setDevicePixelRatio(cRetinaFactor());
+		_notificationSampleUserpic.setDevicePixelRatio(
+			style::DevicePixelRatio());
 	}
 }
 
 void NotificationsCount::prepareNotificationSampleLarge() {
 	int w = st::notifyWidth, h = st::notifyMinHeight;
 	auto sampleImage = QImage(
-		w * cIntRetinaFactor(),
-		h * cIntRetinaFactor(),
+		w * style::DevicePixelRatio(),
+		h * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	sampleImage.setDevicePixelRatio(cRetinaFactor());
+	sampleImage.setDevicePixelRatio(style::DevicePixelRatio());
 	sampleImage.fill(st::notificationBg->c);
 	{
 		Painter p(&sampleImage);
diff --git a/Telegram/SourceFiles/storage/storage_media_prepare.cpp b/Telegram/SourceFiles/storage/storage_media_prepare.cpp
index 17ebe996f..8b04450cf 100644
--- a/Telegram/SourceFiles/storage/storage_media_prepare.cpp
+++ b/Telegram/SourceFiles/storage/storage_media_prepare.cpp
@@ -306,10 +306,10 @@ void PrepareDetails(PreparedFile &file, int previewWidth, int sideLimit) {
 				video->thumbnail,
 				sideLimit);
 			file.preview = std::move(blurred).scaledToWidth(
-				previewWidth * cIntRetinaFactor(),
+				previewWidth * style::DevicePixelRatio(),
 				Qt::SmoothTransformation);
 			Assert(!file.preview.isNull());
-			file.preview.setDevicePixelRatio(cRetinaFactor());
+			file.preview.setDevicePixelRatio(style::DevicePixelRatio());
 			file.type = PreparedFile::Type::Video;
 		}
 	} else if (const auto song = std::get_if<Song>(&file.information->media)) {
@@ -335,14 +335,14 @@ void UpdateImageDetails(
 	const auto toWidth = std::min(
 		previewWidth,
 		style::ConvertScale(preview.width())
-	) * cIntRetinaFactor();
+	) * style::DevicePixelRatio();
 	auto scaled = preview.scaledToWidth(
 		toWidth,
 		Qt::SmoothTransformation);
 	if (scaled.isNull()) {
 		CrashReports::SetAnnotation("Info", QString("%1x%2:%3*%4->%5;%6x%7"
 		).arg(preview.width()).arg(preview.height()
-		).arg(previewWidth).arg(cIntRetinaFactor()
+		).arg(previewWidth).arg(style::DevicePixelRatio()
 		).arg(toWidth
 		).arg(scaled.width()).arg(scaled.height()));
 		Unexpected("Scaled is null.");
@@ -350,7 +350,7 @@ void UpdateImageDetails(
 	Assert(!scaled.isNull());
 	file.preview = Images::Opaque(std::move(scaled));
 	Assert(!file.preview.isNull());
-	file.preview.setDevicePixelRatio(cRetinaFactor());
+	file.preview.setDevicePixelRatio(style::DevicePixelRatio());
 }
 
 bool ApplyModifications(PreparedList &list) {
diff --git a/Telegram/SourceFiles/ui/chat/attach/attach_item_single_media_preview.cpp b/Telegram/SourceFiles/ui/chat/attach/attach_item_single_media_preview.cpp
index eb06d363b..b686ee6fe 100644
--- a/Telegram/SourceFiles/ui/chat/attach/attach_item_single_media_preview.cpp
+++ b/Telegram/SourceFiles/ui/chat/attach/attach_item_single_media_preview.cpp
@@ -208,8 +208,8 @@ bool ItemSingleMediaPreview::tryPaintAnimation(QPainter &p) {
 		const auto paused = _gifPaused();
 
 		auto request = ::Media::Streaming::FrameRequest();
-		request.outer = s * cIntRetinaFactor();
-		request.resize = s * cIntRetinaFactor();
+		request.outer = s * style::DevicePixelRatio();
+		request.resize = s * style::DevicePixelRatio();
 		p.drawImage(
 			QRect(
 				previewLeft(),
diff --git a/Telegram/SourceFiles/ui/controls/userpic_button.cpp b/Telegram/SourceFiles/ui/controls/userpic_button.cpp
index c1d0965b8..1b86567b3 100644
--- a/Telegram/SourceFiles/ui/controls/userpic_button.cpp
+++ b/Telegram/SourceFiles/ui/controls/userpic_button.cpp
@@ -109,9 +109,9 @@ void CameraBox(
 
 template <typename Callback>
 QPixmap CreateSquarePixmap(int width, Callback &&paintCallback) {
-	auto size = QSize(width, width) * cIntRetinaFactor();
+	const auto size = QSize(width, width) * style::DevicePixelRatio();
 	auto image = QImage(size, QImage::Format_ARGB32_Premultiplied);
-	image.setDevicePixelRatio(cRetinaFactor());
+	image.setDevicePixelRatio(style::DevicePixelRatio());
 	image.fill(Qt::transparent);
 	{
 		Painter p(&image);
@@ -931,7 +931,7 @@ void UserpicButton::showCustom(QImage &&image) {
 	if (_userpicHasImage) {
 		auto size = QSize(_st.photoSize, _st.photoSize);
 		auto small = image.scaled(
-			size * cIntRetinaFactor(),
+			size * style::DevicePixelRatio(),
 			Qt::IgnoreAspectRatio,
 			Qt::SmoothTransformation);
 		_userpic = Ui::PixmapFromImage(useForumShape()
@@ -945,7 +945,7 @@ void UserpicButton::showCustom(QImage &&image) {
 			fillShape(p, _st.changeButton.textBg);
 		});
 	}
-	_userpic.setDevicePixelRatio(cRetinaFactor());
+	_userpic.setDevicePixelRatio(style::DevicePixelRatio());
 	_userpicUniqueKey = {};
 	_result = std::move(image);
 
diff --git a/Telegram/SourceFiles/ui/filter_icon_panel.cpp b/Telegram/SourceFiles/ui/filter_icon_panel.cpp
index f0de41e3c..34299d15c 100644
--- a/Telegram/SourceFiles/ui/filter_icon_panel.cpp
+++ b/Telegram/SourceFiles/ui/filter_icon_panel.cpp
@@ -377,7 +377,11 @@ void FilterIconPanel::startShowAnimation() {
 
 		_showAnimation = std::make_unique<Ui::PanelAnimation>(st::emojiPanAnimation, Ui::PanelAnimation::Origin::TopRight);
 		auto inner = rect().marginsRemoved(st::emojiPanMargins);
-		_showAnimation->setFinalImage(std::move(image), QRect(inner.topLeft() * cIntRetinaFactor(), inner.size() * cIntRetinaFactor()));
+		_showAnimation->setFinalImage(
+			std::move(image),
+			QRect(
+				inner.topLeft() * style::DevicePixelRatio(),
+				inner.size() * style::DevicePixelRatio()));
 		_showAnimation->setCornerMasks(Images::CornersMask(ImageRoundRadius::Small));
 		_showAnimation->start();
 	}
@@ -395,9 +399,9 @@ QImage FilterIconPanel::grabForAnimation() {
 	Ui::SendPendingMoveResizeEvents(this);
 
 	auto result = QImage(
-		size() * cIntRetinaFactor(),
+		size() * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	result.fill(Qt::transparent);
 	if (_inner) {
 		QPainter p(&result);
diff --git a/Telegram/SourceFiles/ui/image/image.cpp b/Telegram/SourceFiles/ui/image/image.cpp
index 14cefdb5a..1ef41f67a 100644
--- a/Telegram/SourceFiles/ui/image/image.cpp
+++ b/Telegram/SourceFiles/ui/image/image.cpp
@@ -58,13 +58,13 @@ Image::Image(QImage &&data)
 
 not_null<Image*> Image::Empty() {
 	static auto result = Image([] {
-		const auto factor = cIntRetinaFactor();
+		const auto factor = style::DevicePixelRatio();
 		auto data = QImage(
 			factor,
 			factor,
 			QImage::Format_ARGB32_Premultiplied);
 		data.fill(Qt::transparent);
-		data.setDevicePixelRatio(cRetinaFactor());
+		data.setDevicePixelRatio(style::DevicePixelRatio());
 		return data;
 	}());
 	return &result;
@@ -72,13 +72,13 @@ not_null<Image*> Image::Empty() {
 
 not_null<Image*> Image::BlankMedia() {
 	static auto result = Image([] {
-		const auto factor = cIntRetinaFactor();
+		const auto factor = style::DevicePixelRatio();
 		auto data = QImage(
 			factor,
 			factor,
 			QImage::Format_ARGB32_Premultiplied);
 		data.fill(Qt::black);
-		data.setDevicePixelRatio(cRetinaFactor());
+		data.setDevicePixelRatio(style::DevicePixelRatio());
 		return data;
 	}());
 	return &result;
diff --git a/Telegram/SourceFiles/window/notifications_manager_default.cpp b/Telegram/SourceFiles/window/notifications_manager_default.cpp
index c1d484374..2ce56b113 100644
--- a/Telegram/SourceFiles/window/notifications_manager_default.cpp
+++ b/Telegram/SourceFiles/window/notifications_manager_default.cpp
@@ -715,8 +715,11 @@ void Notification::prepareActionsCache() {
 	auto replyRight = _replyPadding - st::notifyBorderWidth;
 	auto actionsCacheWidth = _reply->width() + replyRight + fadeWidth;
 	auto actionsCacheHeight = height() - actionsTop - st::notifyBorderWidth;
-	auto actionsCacheImg = QImage(QSize(actionsCacheWidth, actionsCacheHeight) * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
-	actionsCacheImg.setDevicePixelRatio(cRetinaFactor());
+	auto actionsCacheImg = QImage(
+		QSize(actionsCacheWidth, actionsCacheHeight)
+			* style::DevicePixelRatio(),
+		QImage::Format_ARGB32_Premultiplied);
+	actionsCacheImg.setDevicePixelRatio(style::DevicePixelRatio());
 	actionsCacheImg.fill(Qt::transparent);
 	{
 		Painter p(&actionsCacheImg);
@@ -858,8 +861,10 @@ void Notification::updateNotifyDisplay() {
 	_hideReplyButton = options.hideReplyButton;
 
 	int32 w = width(), h = height();
-	QImage img(w * cIntRetinaFactor(), h * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
-	img.setDevicePixelRatio(cRetinaFactor());
+	auto img = QImage(
+		size() * style::DevicePixelRatio(),
+		QImage::Format_ARGB32_Premultiplied);
+	img.setDevicePixelRatio(style::DevicePixelRatio());
 	img.fill(st::notificationBg->c);
 
 	{
@@ -893,7 +898,8 @@ void Notification::updateNotifyDisplay() {
 		if (!options.hideNameAndPhoto) {
 			if (_fromScheduled) {
 				static const auto emoji = Ui::Emoji::Find(QString::fromUtf8("\xF0\x9F\x93\x85"));
-				const auto size = Ui::Emoji::GetSizeNormal() / cIntRetinaFactor();
+				const auto size = Ui::Emoji::GetSizeNormal()
+					/ style::DevicePixelRatio();
 				const auto top = rectForName.top() + (st::semiboldFont->height - size) / 2;
 				Ui::Emoji::Draw(p, emoji, Ui::Emoji::GetSizeNormal(), rectForName.left(), top);
 				rectForName.setLeft(rectForName.left() + size + st::semiboldFont->spacew);
diff --git a/Telegram/SourceFiles/window/section_widget.cpp b/Telegram/SourceFiles/window/section_widget.cpp
index 4d7a48c7f..18f3f7d05 100644
--- a/Telegram/SourceFiles/window/section_widget.cpp
+++ b/Telegram/SourceFiles/window/section_widget.cpp
@@ -357,7 +357,7 @@ void SectionWidget::PaintBackground(
 	const auto paintCache = [&](const Ui::CachedBackground &cache) {
 		const auto to = QRect(
 			QPoint(cache.x, cache.y),
-			cache.pixmap.size() / cIntRetinaFactor());
+			cache.pixmap.size() / style::DevicePixelRatio());
 		if (cache.waitingForNegativePattern) {
 			// While we wait for pattern being loaded we paint just gradient.
 			// But in case of negative patter opacity we just fill-black.
@@ -416,8 +416,8 @@ void SectionWidget::PaintBackground(
 		const auto top = clip.top();
 		const auto right = clip.left() + clip.width();
 		const auto bottom = clip.top() + clip.height();
-		const auto w = tiled.width() / cRetinaFactor();
-		const auto h = tiled.height() / cRetinaFactor();
+		const auto w = tiled.width() / float64(style::DevicePixelRatio());
+		const auto h = tiled.height() / float64(style::DevicePixelRatio());
 		const auto sx = qFloor(left / w);
 		const auto sy = qFloor(top / h);
 		const auto cx = qCeil(right / w);
diff --git a/Telegram/SourceFiles/window/themes/window_theme.cpp b/Telegram/SourceFiles/window/themes/window_theme.cpp
index 53b0c4b81..7409a95ee 100644
--- a/Telegram/SourceFiles/window/themes/window_theme.cpp
+++ b/Telegram/SourceFiles/window/themes/window_theme.cpp
@@ -450,7 +450,7 @@ bool InitializeFromSaved(Saved &&saved) {
 		image = std::move(image).convertToFormat(
 			QImage::Format_ARGB32_Premultiplied);
 	}
-	image.setDevicePixelRatio(cRetinaFactor());
+	image.setDevicePixelRatio(style::DevicePixelRatio());
 	if (Data::IsLegacy3DefaultWallPaper(paper)) {
 		return Images::DitherImage(std::move(image));
 	}
@@ -662,7 +662,7 @@ void ChatBackground::set(const Data::WallPaper &paper, QImage image) {
 	} else {
 		if (Data::IsLegacy1DefaultWallPaper(_paper)) {
 			image.load(u":/gui/art/bg_initial.jpg"_q);
-			const auto scale = cScale() * cIntRetinaFactor();
+			const auto scale = cScale() * style::DevicePixelRatio();
 			if (scale != 100) {
 				image = image.scaledToWidth(
 					style::ConvertScale(image.width(), scale),
diff --git a/Telegram/SourceFiles/window/themes/window_theme_editor_box.cpp b/Telegram/SourceFiles/window/themes/window_theme_editor_box.cpp
index f101a38c4..d448ca185 100644
--- a/Telegram/SourceFiles/window/themes/window_theme_editor_box.cpp
+++ b/Telegram/SourceFiles/window/themes/window_theme_editor_box.cpp
@@ -156,9 +156,9 @@ int BackgroundSelector::resizeGetHeight(int newWidth) {
 void BackgroundSelector::updateThumbnail() {
 	const auto size = _thumbnailSize;
 	auto back = QImage(
-		QSize(size, size) * cIntRetinaFactor(),
+		QSize(size, size) * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	back.setDevicePixelRatio(cRetinaFactor());
+	back.setDevicePixelRatio(style::DevicePixelRatio());
 	{
 		Painter p(&back);
 		PainterHighQualityEnabler hq(p);
@@ -171,7 +171,7 @@ void BackgroundSelector::updateThumbnail() {
 	}
 	_thumbnail = Ui::PixmapFromImage(
 		Images::Round(std::move(back), ImageRoundRadius::Small));
-	_thumbnail.setDevicePixelRatio(cRetinaFactor());
+	_thumbnail.setDevicePixelRatio(style::DevicePixelRatio());
 	update();
 }
 
diff --git a/Telegram/SourceFiles/window/themes/window_theme_preview.cpp b/Telegram/SourceFiles/window/themes/window_theme_preview.cpp
index a77de2d7f..d486e81b3 100644
--- a/Telegram/SourceFiles/window/themes/window_theme_preview.cpp
+++ b/Telegram/SourceFiles/window/themes/window_theme_preview.cpp
@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/empty_userpic.h"
 #include "ui/emoji_config.h"
 #include "ui/painter.h"
+#include "ui/rect.h"
 #include "ui/chat/chat_theme.h"
 #include "ui/chat/chat_style.h"
 #include "ui/chat/message_bubble.h"
@@ -413,9 +414,9 @@ QImage Generator::generate() {
 	prepare();
 
 	auto result = QImage(
-		_rect.size() * cIntRetinaFactor(),
+		_rect.size() * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	result.setDevicePixelRatio(cRetinaFactor());
+	result.setDevicePixelRatio(style::DevicePixelRatio());
 	result.fill(st::themePreviewBg->c);
 
 	{
@@ -482,13 +483,17 @@ void Generator::paintHistoryBackground() {
 	}
 	background = std::move(background).convertToFormat(
 		QImage::Format_ARGB32_Premultiplied);
-	background.setDevicePixelRatio(cRetinaFactor());
+	background.setDevicePixelRatio(style::DevicePixelRatio());
 	_p->setClipRect(_history);
 	if (tiled) {
 		auto width = background.width();
 		auto height = background.height();
-		auto repeatTimesX = qCeil(_history.width() * cIntRetinaFactor() / float64(width));
-		auto repeatTimesY = qCeil((_history.height() - fromy) * cIntRetinaFactor() / float64(height));
+		auto repeatTimesX = qCeil(_history.width()
+			* style::DevicePixelRatio()
+			/ float64(width));
+		auto repeatTimesY = qCeil((_history.height() - fromy)
+			* style::DevicePixelRatio()
+			/ float64(height));
 		auto imageForTiled = QImage(
 			width * repeatTimesX,
 			height * repeatTimesY,
@@ -993,8 +998,12 @@ void Generator::paintBubble(const Bubble &bubble) {
 	_historyBottom = y - (bubble.attachToTop ? st::msgMarginTopAttached : st::msgMargin.top());
 
 	if (isPhoto) {
-		auto image = bubble.photo.scaled(bubble.photoWidth * cIntRetinaFactor(), bubble.photoHeight * cIntRetinaFactor(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
-		image.setDevicePixelRatio(cRetinaFactor());
+		auto image = bubble.photo.scaled(
+			QSize(bubble.photoWidth, bubble.photoHeight)
+				* style::DevicePixelRatio(),
+			Qt::IgnoreAspectRatio,
+			Qt::SmoothTransformation);
+		image.setDevicePixelRatio(style::DevicePixelRatio());
 		_p->drawImage(x, y - bubble.photoHeight, image);
 		_historyBottom -= bubble.photoHeight;
 	}
@@ -1025,7 +1034,7 @@ void Generator::paintUserpic(int x, int y, Row::Type type, int index, QString le
 	auto image = QImage(
 		QSize(size, size) * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
-	image.setDevicePixelRatio(cRetinaFactor());
+	image.setDevicePixelRatio(style::DevicePixelRatio());
 	image.fill(Qt::transparent);
 	{
 		Painter p(&image);
@@ -1139,8 +1148,10 @@ void DefaultPreviewWindowTitle(Painter &p, const style::palette &palette, QRect
 }
 
 void DefaultPreviewWindowFramePaint(QImage &preview, const style::palette &palette, QRect body, int outerWidth) {
-	auto mask = QImage(st::windowShadow.size() * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
-	mask.setDevicePixelRatio(cRetinaFactor());
+	auto mask = QImage(
+		st::windowShadow.size() * style::DevicePixelRatio(),
+		QImage::Format_ARGB32_Premultiplied);
+	mask.setDevicePixelRatio(style::DevicePixelRatio());
 	{
 		Painter p(&mask);
 		p.setCompositionMode(QPainter::CompositionMode_Source);
@@ -1156,18 +1167,20 @@ void DefaultPreviewWindowFramePaint(QImage &preview, const style::palette &palet
 		currentInt = *lastLineInts;
 		++maxSize;
 	}
-	if (maxSize % cIntRetinaFactor()) {
-		maxSize -= (maxSize % cIntRetinaFactor());
+	if (maxSize % style::DevicePixelRatio()) {
+		maxSize -= (maxSize % style::DevicePixelRatio());
 	}
-	auto size = maxSize / cIntRetinaFactor();
+	auto size = maxSize / style::DevicePixelRatio();
 	auto bottom = size;
 	auto left = size - st::windowShadowShift;
 	auto right = left;
 	auto top = size - 2 * st::windowShadowShift;
 
 	auto sprite = st::windowShadow[palette];
-	auto topLeft = QImage(sprite.size() * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
-	topLeft.setDevicePixelRatio(cRetinaFactor());
+	auto topLeft = QImage(
+		sprite.size() * style::DevicePixelRatio(),
+		QImage::Format_ARGB32_Premultiplied);
+	topLeft.setDevicePixelRatio(style::DevicePixelRatio());
 	{
 		Painter p(&topLeft);
 		p.setCompositionMode(QPainter::CompositionMode_Source);
@@ -1182,16 +1195,74 @@ void DefaultPreviewWindowFramePaint(QImage &preview, const style::palette &palet
 	Painter p(&preview);
 	DefaultPreviewWindowTitle(p, palette, body, outerWidth);
 
-	auto inner = QRect(body.x(), body.y() - st::defaultWindowTitle.height, body.width(), body.height() + st::defaultWindowTitle.height);
-	p.setClipRegion(QRegion(inner.marginsAdded(QMargins(size, size, size, size))) - inner);
+	auto inner = QRect(
+		body.x(),
+		body.y() - st::defaultWindowTitle.height,
+		body.width(),
+		body.height() + st::defaultWindowTitle.height);
+	p.setClipRegion(QRegion(inner + Margins(size)) - inner);
 	p.drawImage(inner.x() - left, inner.y() - top, topLeft);
-	p.drawImage(inner.x() + inner.width() + right - width, inner.y() - top, topRight);
-	p.drawImage(inner.x() + inner.width() + right - width, inner.y() + inner.height() + bottom - height, bottomRight);
-	p.drawImage(inner.x() - left, inner.y() + inner.height() + bottom - height, bottomLeft);
-	p.drawImage(QRect(inner.x() - left, inner.y() - top + height, left, top + inner.height() + bottom - 2 * height), topLeft, QRect(0, topLeft.height() - cIntRetinaFactor(), left * cIntRetinaFactor(), cIntRetinaFactor()));
-	p.drawImage(QRect(inner.x() - left + width, inner.y() - top, left + inner.width() + right - 2 * width, top), topLeft, QRect(topLeft.width() - cIntRetinaFactor(), 0, cIntRetinaFactor(), top * cIntRetinaFactor()));
-	p.drawImage(QRect(inner.x() + inner.width(), inner.y() - top + height, right, top + inner.height() + bottom - 2 * height), topRight, QRect(topRight.width() - right * cIntRetinaFactor(), topRight.height() - cIntRetinaFactor(), right * cIntRetinaFactor(), cIntRetinaFactor()));
-	p.drawImage(QRect(inner.x() - left + width, inner.y() + inner.height(), left + inner.width() + right - 2 * width, bottom), bottomRight, QRect(0, bottomRight.height() - bottom * cIntRetinaFactor(), cIntRetinaFactor(), bottom * cIntRetinaFactor()));
+	p.drawImage(
+		inner.x() + inner.width() + right - width,
+		inner.y() - top,
+		topRight);
+	p.drawImage(
+		inner.x() + inner.width() + right - width,
+		inner.y() + inner.height() + bottom - height,
+		bottomRight);
+	p.drawImage(
+		inner.x() - left,
+		inner.y() + inner.height() + bottom - height,
+		bottomLeft);
+	p.drawImage(
+		QRect(
+			inner.x() - left,
+			inner.y() - top + height,
+			left,
+			top + inner.height() + bottom - 2 * height),
+		topLeft,
+		QRect(
+			0,
+			topLeft.height() - style::DevicePixelRatio(),
+			left * style::DevicePixelRatio(),
+			style::DevicePixelRatio()));
+	p.drawImage(
+		QRect(
+			inner.x() - left + width,
+			inner.y() - top,
+			left + inner.width() + right - 2 * width,
+			top),
+		topLeft,
+		QRect(
+			topLeft.width() - style::DevicePixelRatio(),
+			0,
+			style::DevicePixelRatio(),
+			top * style::DevicePixelRatio()));
+	p.drawImage(
+		QRect(
+			inner.x() + inner.width(),
+			inner.y() - top + height,
+			right,
+			top + inner.height() + bottom - 2 * height),
+		topRight,
+		QRect(
+			topRight.width() - right * style::DevicePixelRatio(),
+			topRight.height() - style::DevicePixelRatio(),
+			right * style::DevicePixelRatio(),
+			style::DevicePixelRatio()));
+	p.drawImage(
+		QRect(
+			inner.x() - left + width,
+			inner.y() + inner.height(),
+			left + inner.width() + right - 2 * width,
+			bottom),
+		bottomRight,
+		QRect(
+			0,
+			bottomRight.height() - bottom * style::DevicePixelRatio(),
+			style::DevicePixelRatio(),
+			bottom * style::DevicePixelRatio()));
+
 }
 
 } // namespace Theme
diff --git a/Telegram/SourceFiles/window/themes/window_themes_cloud_list.cpp b/Telegram/SourceFiles/window/themes/window_themes_cloud_list.cpp
index 4001edae4..0971a1aef 100644
--- a/Telegram/SourceFiles/window/themes/window_themes_cloud_list.cpp
+++ b/Telegram/SourceFiles/window/themes/window_themes_cloud_list.cpp
@@ -54,7 +54,7 @@ constexpr auto kShowPerRow = 4;
 		return source;
 	}
 	const auto from = source.size();
-	const auto to = st::settingsThemePreviewSize * cIntRetinaFactor();
+	const auto to = st::settingsThemePreviewSize * style::DevicePixelRatio();
 	if (to.width() * from.height() > to.height() * from.width()) {
 		const auto small = (from.width() > to.width())
 			? source.scaledToWidth(to.width(), Qt::SmoothTransformation)
@@ -130,7 +130,7 @@ CloudListColors ColorsFromScheme(const EmbeddedScheme &scheme) {
 	result.radiobuttonActive = scheme.radiobuttonActive;
 	result.radiobuttonInactive = scheme.radiobuttonInactive;
 	result.background = QImage(
-		QSize(1, 1) * cIntRetinaFactor(),
+		QSize(1, 1) * style::DevicePixelRatio(),
 		QImage::Format_ARGB32_Premultiplied);
 	result.background.fill(scheme.background);
 	return result;
@@ -160,7 +160,8 @@ CloudListCheck::CloudListCheck(bool checked)
 void CloudListCheck::setColors(const Colors &colors) {
 	_colors = colors;
 	if (!_colors->background.isNull()) {
-		const auto size = st::settingsThemePreviewSize * cIntRetinaFactor();
+		const auto size = st::settingsThemePreviewSize
+			* style::DevicePixelRatio();
 		_backgroundFull = (_colors->background.size() == size)
 			? _colors->background
 			: _colors->background.scaled(
@@ -183,8 +184,8 @@ void CloudListCheck::ensureContrast() {
 		- radio.height()
 		- st::settingsThemeRadioBottom;
 	const auto under = QRect(
-		QPoint(x, y) * cIntRetinaFactor(),
-		radio * cIntRetinaFactor());
+		QPoint(x, y) * style::DevicePixelRatio(),
+		radio * style::DevicePixelRatio());
 	const auto image = _backgroundFull.copy(under).convertToFormat(
 		QImage::Format_ARGB32_Premultiplied);
 	const auto active = style::internal::EnsureContrast(
@@ -207,7 +208,7 @@ void CloudListCheck::validateBackgroundCache(int width) {
 		return;
 	}
 	_backgroundCacheWidth = width;
-	const auto imageWidth = width * cIntRetinaFactor();
+	const auto imageWidth = width * style::DevicePixelRatio();
 	_backgroundCache = (width == st::settingsThemePreviewSize.width())
 		? _backgroundFull
 		: _backgroundFull.copy(
@@ -218,7 +219,7 @@ void CloudListCheck::validateBackgroundCache(int width) {
 	_backgroundCache = Images::Round(
 		std::move(_backgroundCache),
 		ImageRoundRadius::Large);
-	_backgroundCache.setDevicePixelRatio(cRetinaFactor());
+	_backgroundCache.setDevicePixelRatio(style::DevicePixelRatio());
 }
 
 void CloudListCheck::paint(QPainter &p, int left, int top, int outerWidth) {
diff --git a/Telegram/SourceFiles/window/window_connecting_widget.cpp b/Telegram/SourceFiles/window/window_connecting_widget.cpp
index 7a757df68..a7b1f3a1f 100644
--- a/Telegram/SourceFiles/window/window_connecting_widget.cpp
+++ b/Telegram/SourceFiles/window/window_connecting_widget.cpp
@@ -155,9 +155,9 @@ ConnectionState::Widget::ProxyIcon::ProxyIcon(QWidget *parent) : RpWidget(parent
 void ConnectionState::Widget::ProxyIcon::refreshCacheImages() {
 	const auto prepareCache = [&](const style::icon &icon) {
 		auto image = QImage(
-			size() * cIntRetinaFactor(),
+			size() * style::DevicePixelRatio(),
 			QImage::Format_ARGB32_Premultiplied);
-		image.setDevicePixelRatio(cRetinaFactor());
+		image.setDevicePixelRatio(style::DevicePixelRatio());
 		image.fill(st::windowBg->c);
 		{
 			auto p = QPainter(&image);
diff --git a/Telegram/SourceFiles/window/window_media_preview.cpp b/Telegram/SourceFiles/window/window_media_preview.cpp
index be931148b..3aa79501d 100644
--- a/Telegram/SourceFiles/window/window_media_preview.cpp
+++ b/Telegram/SourceFiles/window/window_media_preview.cpp
@@ -40,7 +40,7 @@ MediaPreviewWidget::MediaPreviewWidget(
 	not_null<Window::SessionController*> controller)
 : RpWidget(parent)
 , _controller(controller)
-, _emojiSize(Ui::Emoji::GetSizeLarge() / cIntRetinaFactor()) {
+, _emojiSize(Ui::Emoji::GetSizeLarge() / style::DevicePixelRatio()) {
 	setAttribute(Qt::WA_TransparentForMouseEvents);
 	_controller->session().downloaderTaskFinished(
 	) | rpl::start_with_next([=] {
@@ -72,7 +72,7 @@ void MediaPreviewWidget::paintEvent(QPaintEvent *e) {
 	auto p = QPainter(this);
 
 	const auto r = e->rect();
-	const auto factor = cIntRetinaFactor();
+	const auto factor = style::DevicePixelRatio();
 	const auto dimensions = currentDimensions();
 	const auto frame = (_lottie && _lottie->ready())
 		? _lottie->frameInfo({
@@ -266,7 +266,7 @@ QSize MediaPreviewWidget::currentDimensions() const {
 		return _cachedSize;
 	}
 	if (!_document && !_photo) {
-		_cachedSize = QSize(_cache.width() / cIntRetinaFactor(), _cache.height() / cIntRetinaFactor());
+		_cachedSize = _cache.size() * style::DevicePixelRatio();
 		return _cachedSize;
 	}
 
@@ -325,7 +325,7 @@ void MediaPreviewWidget::createLottieIfReady(
 void MediaPreviewWidget::setupLottie() {
 	Expects(_document != nullptr);
 
-	const auto factor = cIntRetinaFactor();
+	const auto factor = style::DevicePixelRatio();
 	if (_document->isPremiumSticker()) {
 		const auto size = HistoryView::Sticker::Size(_document);
 		_cachedSize = size;