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Telegram/SourceFiles/media/view/media_view_overlay_raster.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "media/view/media_view_overlay_renderer.h"
+
+namespace Media::View {
+
+class OverlayWidget::RendererSW final : public OverlayWidget::Renderer {
+public:
+	explicit RendererSW(not_null<OverlayWidget*> owner);
+
+	void paintFallback(
+		Painter &p,
+		const QRegion &clip,
+		Ui::GL::Backend backend) override;
+
+private:
+	void paintBackground() override;
+	void paintVideoStream() override;
+	void paintTransformedVideoFrame(ContentGeometry geometry) override;
+	void paintTransformedStaticContent(
+		const QImage &image,
+		ContentGeometry geometry,
+		bool semiTransparent,
+		bool fillTransparentBackground,
+		int index = 0) override;
+	void paintTransformedImage(
+		const QImage &image,
+		QRect rect,
+		int rotation);
+	void paintControlsFade(QRect content, const ContentGeometry &geometry);
+	void paintRadialLoading(
+		QRect inner,
+		bool radial,
+		float64 radialOpacity) override;
+	void paintThemePreview(QRect outer) override;
+	void paintDocumentBubble(QRect outer, QRect icon) override;
+	void paintSaveMsg(QRect outer) override;
+	void paintControlsStart() override;
+	void paintControl(
+		Over control,
+		QRect over,
+		float64 overOpacity,
+		QRect inner,
+		float64 innerOpacity,
+		const style::icon &icon) override;
+	void paintFooter(QRect outer, float64 opacity) override;
+	void paintCaption(QRect outer, float64 opacity) override;
+	void paintGroupThumbs(QRect outer, float64 opacity) override;
+	void paintRoundedCorners(int radius) override;
+	void paintStoriesSiblingPart(
+		int index,
+		const QImage &image,
+		QRect rect,
+		float64 opacity = 1.) override;
+
+	bool handleHideWorkaround();
+	void validateOverControlImage();
+
+	[[nodiscard]] static QRect TransformRect(QRectF geometry, int rotation);
+
+	const not_null<OverlayWidget*> _owner;
+	QBrush _transparentBrush;
+
+	Painter *_p = nullptr;
+	const QRegion *_clip = nullptr;
+	QRect _clipOuter;
+
+	QImage _overControlImage;
+
+	QImage _topShadowCache;
+	QColor _topShadowColor;
+
+};
+
+} // namespace Media::View