[img-editor] Added corner rounding level picker for sticker creation.

Telegram/Resources/icons/photo_editor/corners.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 21 21">
+<g fill="none" fill-rule="evenodd" stroke="white" stroke-width="1.3" stroke-linecap="round" stroke-linejoin="round" transform="translate(2 2)">
+<path d="m.5 4.5c0-2.209139 1.79086-4 4-4"/>
+<path d="m16.5 4.5c0-2.209139-1.79086-4-4-4"/>
+<path d="m16.5 12.5c0 2.209139-1.79086 4-4 4"/>
+<path d="m.5 12.5c0 2.209139 1.79086 4 4 4"/>
+</g>
+</svg>

Telegram/Resources/langs/lang.strings

@@ -7222,6 +7222,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_photo_editor_crop_square" = "Square";
 "lng_photo_editor_crop_free" = "Free";
 
+"lng_photo_editor_corners_about" = "Choose how rounded the sticker corners should look.";
+"lng_photo_editor_corners_large" = "Large";
+"lng_photo_editor_corners_medium" = "Medium";
+"lng_photo_editor_corners_small" = "Small";
+"lng_photo_editor_corners_none" = "None";
+
 "lng_voice_speed_slow" = "Slow";
 "lng_voice_speed_normal" = "Normal";
 "lng_voice_speed_medium" = "Medium";

Telegram/SourceFiles/editor/editor.style

@@ -95,6 +95,20 @@ photoEditorCropRatioButton: IconButton(photoEditorRotateButton) {
 }
 photoEditorCropRatioIconActive: icon {{ "photo_editor/ratio-23x23", photoEditorButtonIconFgActive, point(0px, 1px) }};
 
+photoEditorCornersButton: IconButton(photoEditorRotateButton) {
+	icon: icon {{ "photo_editor/corners-23x23", photoEditorButtonIconFg, point(0px, 1px) }};
+	iconOver: icon {{ "photo_editor/corners-23x23", photoEditorButtonIconFgOver, point(0px, 1px) }};
+}
+photoEditorCornersIconActive: icon {{ "photo_editor/corners-23x23", photoEditorButtonIconFgActive, point(0px, 1px) }};
+
+photoEditorCornersMenuAboutLabel: FlatLabel(defaultFlatLabel) {
+	style: TextStyle(defaultTextStyle) {
+		font: font(11px);
+	}
+	minWidth: 136px;
+}
+photoEditorCornersMenuAboutPosition: point(12px, 4px);
+
 photoEditorCropRatioMenu: PopupMenu(popupMenuWithIcons) {
 	menu: Menu(menuWithIcons) {
 		widthMin: 108px;

Telegram/SourceFiles/editor/editor_crop.cpp

@@ -82,7 +82,8 @@ Crop::Crop(
 	: QRectF(QPoint(), _imageSize))
 , _angle(modifications.angle)
 , _flipped(modifications.flipped)
-, _keepAspectRatio(_data.keepAspectRatio) {
+, _keepAspectRatio(_data.keepAspectRatio)
+, _cornersLevel(modifications.cornersLevel) {
 
 	setMouseTracking(true);
 
@@ -158,9 +159,15 @@ QPainterPath Crop::cropPath() const {
 	if (_data.cropType == EditorData::CropType::Ellipse) {
 		result.addEllipse(_cropPaint);
 	} else if (_data.cropType == EditorData::CropType::RoundedRect) {
-		const auto radius = std::min(_cropPaint.width(), _cropPaint.height())
-			* Ui::ForumUserpicRadiusMultiplier();
+		const auto multiplier = RoundedCornersMultiplier(_cornersLevel);
+		if (multiplier <= 0.) {
+			result.addRect(_cropPaint);
+		} else {
+			const auto radius = std::min(
+				_cropPaint.width(),
+				_cropPaint.height()) * multiplier;
 			result.addRoundedRect(_cropPaint, radius, radius);
+		}
 	} else {
 		result.addRect(_cropPaint);
 	}
@@ -565,6 +572,17 @@ void Crop::setAspectRatio(float64 ratio) {
 	update();
 }
 
+void Crop::setCornersLevel(RoundedCornersLevel level) {
+	if (_cornersLevel == level) {
+		return;
+	}
+	_cornersLevel = level;
+	_painterPath.clear();
+	_painterPath.addRect(_innerRect);
+	_painterPath.addPath(cropPath());
+	update();
+}
+
 QRect Crop::saveCropRect() {
 	const auto savedCrop = _cropOriginal.toRect();
 	return (!savedCrop.topLeft().isNull() || (savedCrop.size() != _imageSize))

Telegram/SourceFiles/editor/editor_crop.h

@@ -32,6 +32,7 @@ public:
 	[[nodiscard]] QRect saveCropRect();
 	[[nodiscard]] style::margins cropMargins() const;
 	void setAspectRatio(float64 ratio);
+	void setCornersLevel(RoundedCornersLevel level);
 
 protected:
 	void mousePressEvent(QMouseEvent *e) override;
@@ -99,6 +100,8 @@ private:
 
 	bool _keepAspectRatio = false;
 
+	RoundedCornersLevel _cornersLevel = RoundedCornersLevel::Large;
+
 };
 
 } // namespace Editor

Telegram/SourceFiles/editor/photo_editor.cpp

@@ -295,6 +295,12 @@ PhotoEditor::PhotoEditor(
 		_content->applyAspectRatio(ratio);
 	}, lifetime());
 
+	_controls->cornersLevelChanges(
+	) | rpl::on_next([=](RoundedCornersLevel level) {
+		_modifications.cornersLevel = level;
+		_content->applyModifications(_modifications);
+	}, lifetime());
+
 	_controls->paintModeRequests(
 	) | rpl::on_next([=] {
 		_mode = PhotoEditorMode{

Telegram/SourceFiles/editor/photo_editor_common.cpp

@@ -14,10 +14,19 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Editor {
 namespace {
 
-void ApplyShapeMask(QImage &image, EditorData::CropType type) {
+void ApplyShapeMask(
+		QImage &image,
+		EditorData::CropType type,
+		RoundedCornersLevel cornersLevel) {
 	if (type == EditorData::CropType::Rect) {
 		return;
 	}
+	const auto multiplier = (type == EditorData::CropType::RoundedRect)
+		? RoundedCornersMultiplier(cornersLevel)
+		: Ui::ForumUserpicRadiusMultiplier();
+	if (type == EditorData::CropType::RoundedRect && multiplier <= 0.) {
+		return;
+	}
 	if (image.format() != QImage::Format_ARGB32_Premultiplied) {
 		image = image.convertToFormat(QImage::Format_ARGB32_Premultiplied);
 	}
@@ -33,7 +42,7 @@ void ApplyShapeMask(QImage &image, EditorData::CropType type) {
 			p.drawEllipse(rect);
 		} else {
 			const auto radius = std::min(rect.width(), rect.height())
-				* Ui::ForumUserpicRadiusMultiplier();
+				* multiplier;
 			p.drawRoundedRect(rect, radius, radius);
 		}
 	}
@@ -44,6 +53,16 @@ void ApplyShapeMask(QImage &image, EditorData::CropType type) {
 
 } // namespace
 
+float64 RoundedCornersMultiplier(RoundedCornersLevel level) {
+	switch (level) {
+	case RoundedCornersLevel::Large: return Ui::ForumUserpicRadiusMultiplier();
+	case RoundedCornersLevel::Medium: return 0.2;
+	case RoundedCornersLevel::Small: return 0.12;
+	case RoundedCornersLevel::None: return 0.;
+	}
+	Unexpected("Unknown RoundedCornersLevel in RoundedCornersMultiplier.");
+}
+
 QImage ImageModified(QImage image, const PhotoModifications &mods) {
 	Expects(!image.isNull());
 
@@ -64,7 +83,7 @@ QImage ImageModified(QImage image, const PhotoModifications &mods) {
 	auto cropped = mods.crop.isValid()
 		? image.copy(mods.crop)
 		: image;
-	ApplyShapeMask(cropped, mods.cropType);
+	ApplyShapeMask(cropped, mods.cropType, mods.cornersLevel);
 	QTransform transform;
 	if (mods.flipped) {
 		transform.scale(-1, 1);

Telegram/SourceFiles/editor/photo_editor_common.h

@@ -11,6 +11,15 @@ namespace Editor {
 
 class Scene;
 
+enum class RoundedCornersLevel {
+	Large,
+	Medium,
+	Small,
+	None,
+};
+
+[[nodiscard]] float64 RoundedCornersMultiplier(RoundedCornersLevel level);
+
 struct EditorData {
 	enum class CropType {
 		Rect,
@@ -31,6 +40,7 @@ struct PhotoModifications {
 	bool flipped = false;
 	QRect crop;
 	EditorData::CropType cropType = EditorData::CropType::Rect;
+	RoundedCornersLevel cornersLevel = RoundedCornersLevel::Large;
 	std::shared_ptr<Scene> paint = nullptr;
 
 	[[nodiscard]] bool empty() const;

Telegram/SourceFiles/editor/photo_editor_content.cpp

@@ -96,6 +96,7 @@ PhotoEditorContent::PhotoEditorContent(
 			geometry + _crop->cropMargins(),
 			mods.angle,
 			mods.flipped, imageSizeF);
+		_crop->setCornersLevel(mods.cornersLevel);
 		_paint->applyTransform(geometry, mods.angle, mods.flipped);
 
 		_innerRect = geometry;

Telegram/SourceFiles/editor/photo_editor_controls.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/image/image_prepare.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
+#include "ui/widgets/menu/menu_multiline_action.h"
 #include "ui/widgets/popup_menu.h"
 #include "ui/wrap/fade_wrap.h"
 #include "ui/painter.h"
@@ -276,6 +277,11 @@ PhotoEditorControls::PhotoEditorControls(
 	: base::make_unique_q<Ui::IconButton>(
 		_transformButtons,
 		st::photoEditorCropRatioButton))
+, _cornersButton((data.cropType == EditorData::CropType::RoundedRect)
+	? base::make_unique_q<Ui::IconButton>(
+		_transformButtons,
+		st::photoEditorCornersButton)
+	: nullptr)
 , _transformDone(base::make_unique_q<EdgeButton>(
 	_transformButtons,
 	(data.confirm.isEmpty() ? tr::lng_box_done(tr::now) : data.confirm),
@@ -516,6 +522,69 @@ PhotoEditorControls::PhotoEditorControls(
 		});
 	}
 
+	_currentCornersLevel = modifications.cornersLevel;
+	if (_cornersButton) {
+		const auto updateIcon = [=] {
+			const auto active = (_currentCornersLevel
+				!= RoundedCornersLevel::Large);
+			const auto icon = active
+				? &st::photoEditorCornersIconActive
+				: nullptr;
+			_cornersButton->setIconOverride(icon, icon);
+		};
+		updateIcon();
+		_cornersButton->setClickedCallback([=] {
+			_cornersMenu = base::make_unique_q<Ui::PopupMenu>(
+				_cornersButton.get(),
+				st::photoEditorCropRatioMenu);
+			_cornersMenu->setForcedOrigin(
+				Ui::PanelAnimation::Origin::BottomRight);
+			auto about = base::make_unique_q<Ui::Menu::MultilineAction>(
+				_cornersMenu->menu(),
+				_cornersMenu->menu()->st(),
+				st::photoEditorCornersMenuAboutLabel,
+				st::photoEditorCornersMenuAboutPosition,
+				TextWithEntities{
+					tr::lng_photo_editor_corners_about(tr::now),
+				});
+			_cornersMenu->addAction(std::move(about));
+			_cornersMenu->addSeparator();
+			const auto check = &st::mediaPlayerMenuCheck;
+			const auto add = [&](
+					const QString &text,
+					RoundedCornersLevel level) {
+				const auto selected = (_currentCornersLevel == level);
+				_cornersMenu->addAction(
+					text,
+					[=] {
+						if (_currentCornersLevel == level) {
+							return;
+						}
+						_currentCornersLevel = level;
+						updateIcon();
+						_cornersLevelChanges.fire_copy(level);
+					},
+					selected ? check : nullptr);
+			};
+			add(
+				tr::lng_photo_editor_corners_large(tr::now),
+				RoundedCornersLevel::Large);
+			add(
+				tr::lng_photo_editor_corners_medium(tr::now),
+				RoundedCornersLevel::Medium);
+			add(
+				tr::lng_photo_editor_corners_small(tr::now),
+				RoundedCornersLevel::Small);
+			add(
+				tr::lng_photo_editor_corners_none(tr::now),
+				RoundedCornersLevel::None);
+			const auto button = _cornersButton.get();
+			const auto bottomRight = button->mapToGlobal(
+				QPoint(button->width(), 0));
+			_cornersMenu->popup(bottomRight);
+		});
+	}
+
 	updateInputMask();
 
 }
@@ -564,6 +633,11 @@ rpl::producer<float64> PhotoEditorControls::aspectRatioChanges() const {
 	return _aspectRatioChanges.events();
 }
 
+auto PhotoEditorControls::cornersLevelChanges() const
+-> rpl::producer<RoundedCornersLevel> {
+	return _cornersLevelChanges.events();
+}
+
 int PhotoEditorControls::bottomButtonsTop() const {
 	return height()
 		- st::photoEditorControlsBottomSkip

Telegram/SourceFiles/editor/photo_editor_controls.h

@@ -48,6 +48,8 @@ public:
 	[[nodiscard]] rpl::producer<QPoint> colorLinePositionValue() const;
 	[[nodiscard]] rpl::producer<bool> colorLineShownValue() const;
 	[[nodiscard]] rpl::producer<float64> aspectRatioChanges() const;
+	[[nodiscard]] auto cornersLevelChanges() const
+		-> rpl::producer<RoundedCornersLevel>;
 
 	[[nodiscard]] bool animating() const;
 
@@ -77,6 +79,7 @@ private:
 	const base::unique_qptr<Ui::IconButton> _rotateButton;
 	const base::unique_qptr<Ui::IconButton> _paintModeButton;
 	const base::unique_qptr<Ui::IconButton> _cropRatioButton;
+	const base::unique_qptr<Ui::IconButton> _cornersButton;
 	const base::unique_qptr<EdgeButton> _transformDone;
 
 	const base::unique_qptr<EdgeButton> _paintCancel;
@@ -88,7 +91,9 @@ private:
 	const base::unique_qptr<EdgeButton> _paintDone;
 
 	base::unique_qptr<Ui::PopupMenu> _ratioMenu;
+	base::unique_qptr<Ui::PopupMenu> _cornersMenu;
 	float64 _currentRatio = 0.;
+	RoundedCornersLevel _currentCornersLevel = RoundedCornersLevel::Large;
 
 	bool _flipped = false;
 
@@ -97,6 +102,7 @@ private:
 	rpl::variable<PhotoEditorMode> _mode;
 	rpl::event_stream<not_null<QKeyEvent*>> _keyPresses;
 	rpl::event_stream<float64> _aspectRatioChanges;
+	rpl::event_stream<RoundedCornersLevel> _cornersLevelChanges;
 
 };