Nice price tag on sending media.

Telegram/SourceFiles/boxes/send_files_box.cpp

@@ -398,6 +398,18 @@ void SendFilesBox::Block::applyChanges() {
 	}
 }
 
+QImage SendFilesBox::Block::generatePriceTagBackground() const {
+	const auto preview = _preview.get();
+	if (_isAlbum) {
+		const auto album = static_cast<Ui::AlbumPreview*>(preview);
+		return album->generatePriceTagBackground();
+	} else if (_isSingleMedia) {
+		const auto media = static_cast<Ui::SingleMediaPreview*>(preview);
+		return media->generatePriceTagBackground();
+	}
+	return QImage();
+}
+
 SendFilesBox::SendFilesBox(
 	QWidget*,
 	not_null<Window::SessionController*> controller,
@@ -737,18 +749,17 @@ void SendFilesBox::refreshPriceTag() {
 	}
 	if (!hasPrice()) {
 		_priceTag = nullptr;
+		_priceTagBg = QImage();
 	} else if (!_priceTag) {
 		_priceTag = std::make_unique<Ui::RpWidget>(_inner.data());
 		const auto raw = _priceTag.get();
 
 		raw->show();
 		raw->paintRequest() | rpl::start_with_next([=] {
-			auto p = QPainter(raw);
-			auto hq = PainterHighQualityEnabler(p);
-			p.setBrush(st::toastBg);
-			p.setPen(Qt::NoPen);
-			const auto radius = std::min(raw->width(), raw->height()) / 2.;
-			p.drawRoundedRect(raw->rect(), radius, radius);
+			if (_priceTagBg.isNull()) {
+				_priceTagBg = preparePriceTagBg(raw->size());
+			}
+			QPainter(raw).drawImage(0, 0, _priceTagBg);
 		}, raw->lifetime());
 
 		const auto session = &_show->session();
@@ -785,9 +796,44 @@ void SendFilesBox::refreshPriceTag() {
 		}, raw->lifetime());
 	} else {
 		_priceTag->raise();
+		_priceTag->update();
+		_priceTagBg = QImage();
 	}
 }
 
+QImage SendFilesBox::preparePriceTagBg(QSize size) const {
+	const auto ratio = style::DevicePixelRatio();
+	const auto outer = _blocks.empty()
+		? size
+		: _inner->widgetAt(0)->geometry().size();
+	auto bg = _blocks.empty()
+		? QImage()
+		: _blocks.front().generatePriceTagBackground();
+	if (bg.isNull()) {
+		bg = QImage(ratio, ratio, QImage::Format_ARGB32_Premultiplied);
+		bg.fill(Qt::black);
+	}
+	const auto bgSize = bg.size() / bg.devicePixelRatio();
+
+	auto result = QImage(size * ratio, QImage::Format_ARGB32_Premultiplied);
+	result.setDevicePixelRatio(ratio);
+	result.fill(Qt::black);
+	auto p = QPainter(&result);
+	auto hq = PainterHighQualityEnabler(p);
+	p.drawImage(
+		QRect(
+			(size.width() - outer.width()) / 2,
+			(size.height() - outer.height()) / 2,
+			outer.width(),
+			outer.height()),
+		bg);
+	p.fillRect(QRect(QPoint(), size), st::msgDateImgBg);
+	p.end();
+
+	const auto radius = std::min(size.width(), size.height()) / 2;
+	return Images::Round(std::move(result), Images::CornersMask(radius));
+}
+
 void SendFilesBox::addMenuButton() {
 	const auto details = _sendMenuDetails();
 	if (!hasSendMenu(details)) {

Telegram/SourceFiles/boxes/send_files_box.h

@@ -166,6 +166,8 @@ private:
 		void toggleSpoilers(bool enabled);
 		void applyChanges();
 
+		[[nodiscard]] QImage generatePriceTagBackground() const;
+
 	private:
 		base::unique_qptr<Ui::RpWidget> _preview;
 		not_null<std::vector<Ui::PreparedFile>*> _items;
@@ -196,6 +198,7 @@ private:
 	[[nodiscard]] bool canChangePrice() const;
 	[[nodiscard]] bool hasPrice() const;
 	void refreshPriceTag();
+	[[nodiscard]] QImage preparePriceTagBg(QSize size) const;
 
 	bool validateLength(const QString &text) const;
 	void refreshButtons();
@@ -259,6 +262,7 @@ private:
 	Fn<void()> _cancelledCallback;
 	rpl::variable<uint64> _price = 0;
 	std::unique_ptr<Ui::RpWidget> _priceTag;
+	QImage _priceTagBg;
 	bool _confirmed = false;
 	bool _invertCaption = false;
 

Telegram/SourceFiles/history/view/media/history_view_photo.cpp

@@ -383,7 +383,7 @@ void Photo::draw(Painter &p, const PaintContext &context) const {
 		}
 	} else if (preview) {
 		drawPriceTag(p, rthumb, context, [&] {
-			return _spoiler ? _spoiler->background : QImage();
+			return priceTagBackground();
 		});
 	}
 	if (showEnlarge) {
@@ -447,9 +447,10 @@ void Photo::drawPriceTag(
 		|| _priceTag->darken != darken
 		|| _priceTag->fg != fg
 		|| _priceTag->star != star) {
+		const auto ratio = style::DevicePixelRatio();
 		auto bg = generateBackground();
 		if (bg.isNull()) {
-			bg = QImage(2, 2, QImage::Format_ARGB32_Premultiplied);
+			bg = QImage(ratio, ratio, QImage::Format_ARGB32_Premultiplied);
 			bg.fill(Qt::black);
 		}
 
@@ -474,7 +475,6 @@ void Photo::drawPriceTag(
 		const auto outer = inner.marginsAdded(st::paidTagPadding);
 		const auto size = outer.size();
 		const auto radius = std::min(size.width(), size.height()) / 2;
-		const auto ratio = style::DevicePixelRatio();
 		auto cache = QImage(
 			size * ratio,
 			QImage::Format_ARGB32_Premultiplied);

Telegram/SourceFiles/ui/chat/attach/attach_abstract_single_media_preview.cpp

@@ -84,6 +84,10 @@ rpl::producer<bool> AbstractSingleMediaPreview::spoileredChanges() const {
 	return _spoileredChanges.events();
 }
 
+QImage AbstractSingleMediaPreview::generatePriceTagBackground() const {
+	return (_previewBlurred.isNull() ? _preview : _previewBlurred).toImage();
+}
+
 void AbstractSingleMediaPreview::preparePreview(QImage preview) {
 	auto maxW = 0;
 	auto maxH = 0;

Telegram/SourceFiles/ui/chat/attach/attach_abstract_single_media_preview.h

@@ -44,6 +44,8 @@ public:
 	[[nodiscard]] bool canHaveSpoiler() const;
 	[[nodiscard]] rpl::producer<bool> spoileredChanges() const;
 
+	[[nodiscard]] QImage generatePriceTagBackground() const;
+
 protected:
 	virtual bool supportsSpoilers() const = 0;
 	virtual bool drawBackground() const = 0;

Telegram/SourceFiles/ui/chat/attach/attach_album_preview.cpp

@@ -20,6 +20,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include <QtWidgets/QApplication>
 
+namespace Media::Streaming {
+
+[[nodiscard]] QImage PrepareBlurredBackground(QSize outer, QImage frame);
+
+} // namespace Media::Streaming
+
 namespace Ui {
 namespace {
 
@@ -610,8 +616,47 @@ void AlbumPreview::switchToDrag() {
 	update();
 }
 
-rpl::producer<int> AlbumPreview::thumbModified() const {
-	return _thumbModified.events();
+QImage AlbumPreview::generatePriceTagBackground() const {
+	auto wmax = 0;
+	auto hmax = 0;
+	for (auto &thumb : _thumbs) {
+		const auto geometry = thumb->geometry();
+		accumulate_max(wmax, geometry.x() + geometry.width());
+		accumulate_max(hmax, geometry.y() + geometry.height());
+	}
+	const auto size = QSize(wmax, hmax);
+	if (size.isEmpty()) {
+		return {};
+	}
+	const auto ratio = style::DevicePixelRatio();
+	const auto full = size * ratio;
+	const auto skip = st::historyGroupSkip;
+	auto result = QImage(full, QImage::Format_ARGB32_Premultiplied);
+	result.setDevicePixelRatio(ratio);
+	result.fill(Qt::black);
+	auto p = QPainter(&result);
+	auto hq = PainterHighQualityEnabler(p);
+	for (auto &thumb : _thumbs) {
+		const auto geometry = thumb->geometry();
+		if (geometry.isEmpty()) {
+			continue;
+		}
+		const auto w = geometry.width();
+		const auto h = geometry.height();
+		const auto wscale = (w + skip) / float64(w);
+		const auto hscale = (h + skip) / float64(h);
+		p.save();
+		p.translate(geometry.center());
+		p.scale(wscale, hscale);
+		p.translate(-geometry.center());
+		thumb->paintInAlbum(p, 0, 0, 0., 0.);
+		p.restore();
+	}
+	p.end();
+
+	return ::Media::Streaming::PrepareBlurredBackground(
+		full,
+		std::move(result));
 }
 
 } // namespace Ui

Telegram/SourceFiles/ui/chat/attach/attach_album_preview.h

@@ -47,7 +47,11 @@ public:
 		return _thumbChanged.events();
 	}
 
-	rpl::producer<int> thumbModified() const;
+	[[nodiscard]] rpl::producer<int> thumbModified() const {
+		return _thumbModified.events();
+	}
+
+	[[nodiscard]] QImage generatePriceTagBackground() const;
 
 protected:
 	void paintEvent(QPaintEvent *e) override;

Telegram/SourceFiles/ui/chat/attach/attach_album_thumbnail.cpp

@@ -503,6 +503,10 @@ void AlbumThumbnail::paintFile(
 		_fileThumb.size() / style::DevicePixelRatio());
 }
 
+QRect AlbumThumbnail::geometry() const {
+	return _layout.geometry;
+}
+
 bool AlbumThumbnail::containsPoint(QPoint position) const {
 	return _layout.geometry.contains(position);
 }

Telegram/SourceFiles/ui/chat/attach/attach_album_thumbnail.h

@@ -42,8 +42,8 @@ public:
 	void setSpoiler(bool spoiler);
 	[[nodiscard]] bool hasSpoiler() const;
 
-	int photoHeight() const;
-	int fileHeight() const;
+	[[nodiscard]] int photoHeight() const;
+	[[nodiscard]] int fileHeight() const;
 
 	void paintInAlbum(
 		QPainter &p,
@@ -54,20 +54,22 @@ public:
 	void paintPhoto(Painter &p, int left, int top, int outerWidth);
 	void paintFile(Painter &p, int left, int top, int outerWidth);
 
-	bool containsPoint(QPoint position) const;
-	bool buttonsContainPoint(QPoint position) const;
-	AttachButtonType buttonTypeFromPoint(QPoint position) const;
-	int distanceTo(QPoint position) const;
-	bool isPointAfter(QPoint position) const;
+	[[nodiscard]] QRect geometry() const;
+	[[nodiscard]] bool containsPoint(QPoint position) const;
+	[[nodiscard]] bool buttonsContainPoint(QPoint position) const;
+	[[nodiscard]] AttachButtonType buttonTypeFromPoint(
+		QPoint position) const;
+	[[nodiscard]] int distanceTo(QPoint position) const;
+	[[nodiscard]] bool isPointAfter(QPoint position) const;
 	void moveInAlbum(QPoint to);
-	QPoint center() const;
+	[[nodiscard]] QPoint center() const;
 	void suggestMove(float64 delta, Fn<void()> callback);
 	void finishAnimations();
 
 	void setButtonVisible(bool value);
 	void moveButtons(int thumbTop);
 
-	bool isCompressedSticker() const;
+	[[nodiscard]] bool isCompressedSticker() const;
 
 	static constexpr auto kShrinkDuration = crl::time(150);