init

Telegram/SourceFiles/calls/calls_emoji_fingerprint.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 "base/unique_qptr.h"
+
+namespace Ui {
+class RpWidget;
+} // namespace Ui
+
+namespace Calls {
+
+class Call;
+
+[[nodiscard]] std::vector<EmojiPtr> ComputeEmojiFingerprint(
+	not_null<Call*> call);
+[[nodiscard]] std::vector<EmojiPtr> ComputeEmojiFingerprint(
+	bytes::const_span fingerprint);
+
+[[nodiscard]] base::unique_qptr<Ui::RpWidget> CreateFingerprintAndSignalBars(
+	not_null<QWidget*> parent,
+	not_null<Call*> call);
+
+struct FingerprintBadgeState {
+	struct Entry {
+		EmojiPtr emoji = nullptr;
+		std::vector<EmojiPtr> sliding;
+		std::vector<EmojiPtr> carousel;
+		crl::time time = 0;
+		float64 speed = 0.;
+		float64 position = 0.;
+		int added = 0;
+	};
+	std::vector<Entry> entries;
+	float64 speed = 1.;
+};
+struct FingerprintBadge {
+	not_null<const FingerprintBadgeState*> state;
+	rpl::producer<> repaints;
+};
+FingerprintBadge SetupFingerprintBadge(
+	rpl::lifetime &on,
+	rpl::producer<QByteArray> fingerprint);
+
+void SetupFingerprintBadgeWidget(
+	not_null<Ui::RpWidget*> widget,
+	not_null<const FingerprintBadgeState*> state,
+	rpl::producer<> repaints);
+
+struct FingerprintBadgeCache {
+	struct Emoji {
+		EmojiPtr ptr = nullptr;
+		QImage image;
+	};
+	struct Entry {
+		std::vector<Emoji> emoji;
+	};
+	std::vector<Entry> entries;
+	QImage shadow;
+};
+void PaintFingerprintEntry(
+	QPainter &p,
+	const FingerprintBadgeState::Entry &entry,
+	FingerprintBadgeCache::Entry &cache,
+	int esize);
+
+} // namespace Calls