Allow to blur wallpapers from file.

Telegram/SourceFiles/boxes/background_preview_box.cpp

@@ -511,9 +511,6 @@ void BackgroundPreviewBox::paintEvent(QPaintEvent *e) {
 void BackgroundPreviewBox::paintImage(Painter &p, TimeMs ms) {
 	Expects(!_scaled.isNull());
 
-	if (_paper.isPattern() && _paper.document() && _full.isNull()) {
-		return;
-	}
 	const auto master = _paper.isPattern()
 		? std::clamp(_paper.patternIntensity() / 100., 0., 1.)
 		: 1.;
@@ -695,7 +692,8 @@ std::optional<QColor> BackgroundPreviewBox::patternBackgroundColor() const {
 
 void BackgroundPreviewBox::checkLoadedDocument() {
 	const auto document = _paper.document();
-	if (!document
+	if (!_full.isNull()
+		|| !document
 		|| !document->loaded(DocumentData::FilePathResolveChecked)
 		|| _generating) {
 		return;

Telegram/SourceFiles/data/data_session.cpp

@@ -13,6 +13,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/application.h"
 #include "core/crash_reports.h" // for CrashReports::SetAnnotation
 #include "ui/image/image.h"
+#include "ui/image/image_source.h" // for Images::LocalFileSource
 #include "export/export_controller.h"
 #include "export/view/export_view_panel_controller.h"
 #include "window/notifications_manager.h"
@@ -3067,10 +3068,11 @@ void Session::setWallpapers(const QVector<MTPWallPaper> &data, int32 hash) {
 	_wallpapers.reserve(data.size() + 2);
 
 	_wallpapers.push_back(Data::Legacy1DefaultWallPaper());
-	_wallpapers.back().setLocalImageAsThumbnail(Images::Create(
-		qsl(":/gui/art/bg_initial.jpg"),
-		"JPG"
-	).get());
+	_wallpapers.back().setLocalImageAsThumbnail(std::make_shared<Image>(
+		std::make_unique<Images::LocalFileSource>(
+			qsl(":/gui/art/bg_initial.jpg"),
+			QByteArray(),
+			"JPG")));
 	for (const auto &paper : data) {
 		paper.match([&](const MTPDwallPaper &paper) {
 			if (const auto parsed = Data::WallPaper::Create(paper)) {
@@ -3083,10 +3085,11 @@ void Session::setWallpapers(const QVector<MTPWallPaper> &data, int32 hash) {
 		Data::IsDefaultWallPaper);
 	if (defaultFound == end(_wallpapers)) {
 		_wallpapers.push_back(Data::DefaultWallPaper());
-		_wallpapers.back().setLocalImageAsThumbnail(Images::Create(
-			qsl(":/gui/arg/bg.jpg"),
-			"JPG"
-		).get());
+		_wallpapers.back().setLocalImageAsThumbnail(std::make_shared<Image>(
+			std::make_unique<Images::LocalFileSource>(
+				qsl(":/gui/arg/bg.jpg"),
+				QByteArray(),
+				"JPG")));
 	}
 }
 

Telegram/SourceFiles/settings/settings_chat.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/auto_download_box.h"
 #include "boxes/stickers_box.h"
 #include "boxes/background_box.h"
+#include "boxes/background_preview_box.h"
 #include "boxes/download_path_box.h"
 #include "boxes/local_storage_box.h"
 #include "ui/wrap/vertical_layout.h"
@@ -22,6 +23,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/radial_animation.h"
 #include "ui/toast/toast.h"
 #include "ui/image/image.h"
+#include "ui/image/image_source.h"
 #include "lang/lang_keys.h"
 #include "window/themes/window_theme_editor.h"
 #include "window/themes/window_theme.h"
@@ -395,24 +397,13 @@ void ChooseFromFile(not_null<QWidget*> parent) {
 			: App::readImage(result.remoteContent);
 		if (image.isNull() || image.width() <= 0 || image.height() <= 0) {
 			return;
-		} else if (image.width() > 4096 * image.height()) {
-			image = image.copy(
-				(image.width() - 4096 * image.height()) / 2,
-				0,
-				4096 * image.height(),
-				image.height());
-		} else if (image.height() > 4096 * image.width()) {
-			image = image.copy(
-				0,
-				(image.height() - 4096 * image.width()) / 2,
-				image.width(),
-				4096 * image.width());
 		}
-
-		Window::Theme::Background()->set(
-			Data::CustomWallPaper(),
-			std::move(image));
-		Window::Theme::Background()->setTile(false);
+		auto local = Data::CustomWallPaper();
+		local.setLocalImageAsThumbnail(std::make_shared<Image>(
+			std::make_unique<Images::ImageSource>(
+				std::move(image),
+				"JPG")));
+		Ui::show(Box<BackgroundPreviewBox>(local));
 	};
 	FileDialog::GetOpenPath(
 		parent.get(),

Telegram/SourceFiles/window/themes/window_theme.cpp

@@ -105,13 +105,13 @@ QString StringFromColor(QColor color) {
 WallPaper::WallPaper(WallPaperId id) : _id(id) {
 }
 
-void WallPaper::setLocalImageAsThumbnail(not_null<Image*> image) {
+void WallPaper::setLocalImageAsThumbnail(std::shared_ptr<Image> image) {
 	Expects(IsDefaultWallPaper(*this)
 		|| IsLegacy1DefaultWallPaper(*this)
 		|| IsCustomWallPaper(*this));
 	Expects(_thumbnail == nullptr);
 
-	_thumbnail = image;
+	_thumbnail = std::move(image);
 }
 
 WallPaperId WallPaper::id() const {
@@ -127,7 +127,11 @@ DocumentData *WallPaper::document() const {
 }
 
 Image *WallPaper::thumbnail() const {
-	return _thumbnail;
+	return _thumbnail
+		? _thumbnail.get()
+		: _document
+		? _document->thumbnail()
+		: nullptr;
 }
 
 bool WallPaper::isPattern() const {
@@ -195,6 +199,9 @@ void WallPaper::loadThumbnail() const {
 	if (_thumbnail) {
 		_thumbnail->load(fileOrigin());
 	}
+	if (_document) {
+		_document->loadThumbnail(fileOrigin());
+	}
 }
 
 void WallPaper::loadDocument() const {
@@ -288,6 +295,12 @@ WallPaper WallPaper::withParamsFrom(const WallPaper &other) const {
 	return result;
 }
 
+WallPaper WallPaper::withoutImageData() const {
+	auto result = *this;
+	result._thumbnail = nullptr;
+	return result;
+}
+
 std::optional<WallPaper> WallPaper::Create(const MTPWallPaper &data) {
 	return data.match([](const MTPDwallPaper &data) {
 		return Create(data);
@@ -307,7 +320,6 @@ std::optional<WallPaper> WallPaper::Create(const MTPDwallPaper &data) {
 	result._flags = data.vflags.v;
 	result._slug = qs(data.vslug);
 	result._document = document;
-	result._thumbnail = document->thumbnail();
 	if (data.has_settings()) {
 		const auto isPattern = ((result._flags & Flag::f_pattern) != 0);
 		data.vsettings.match([&](const MTPDwallPaperSettings &data) {
@@ -988,7 +1000,7 @@ void ChatBackground::set(const Data::WallPaper &paper, QImage image) {
 			}
 		} else if (Data::IsDefaultWallPaper(_paper)
 			|| (!_paper.backgroundColor() && image.isNull())) {
-			setPaper(Data::DefaultWallPaper());
+			setPaper(Data::DefaultWallPaper().withParamsFrom(_paper));
 			image.load(qsl(":/gui/art/bg.jpg"));
 		}
 		Local::writeBackground(
@@ -1082,7 +1094,7 @@ void ChatBackground::preparePixmaps(QImage image) {
 }
 
 void ChatBackground::setPaper(const Data::WallPaper &paper) {
-	_paper = paper;
+	_paper = paper.withoutImageData();
 }
 
 bool ChatBackground::adjustPaletteRequired() {

Telegram/SourceFiles/window/themes/window_theme.h

@@ -17,7 +17,7 @@ class WallPaper {
 public:
 	explicit WallPaper(WallPaperId id);
 
-	void setLocalImageAsThumbnail(not_null<Image*> image);
+	void setLocalImageAsThumbnail(std::shared_ptr<Image> image);
 
 	[[nodiscard]] WallPaperId id() const;
 	[[nodiscard]] std::optional<QColor> backgroundColor() const;
@@ -43,6 +43,7 @@ public:
 	[[nodiscard]] WallPaper withPatternIntensity(int intensity) const;
 	[[nodiscard]] WallPaper withBackgroundColor(QColor color) const;
 	[[nodiscard]] WallPaper withParamsFrom(const WallPaper &other) const;
+	[[nodiscard]] WallPaper withoutImageData() const;
 
 	[[nodiscard]] static std::optional<WallPaper> Create(
 		const MTPWallPaper &data);
@@ -75,7 +76,7 @@ private:
 	int _intensity = kDefaultIntensity;
 
 	DocumentData *_document = nullptr;
-	Image *_thumbnail = nullptr;
+	std::shared_ptr<Image> _thumbnail;
 
 };