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Telegram/lib_lottie/lottie/details/lottie_frame_provider_cached.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "lottie/details/lottie_frame_provider_direct.h"
+#include "lottie/details/lottie_cache.h"
+
+namespace Lottie {
+
+struct FrameProviderCachedToken : FrameProviderToken {
+	CacheReadContext context;
+};
+
+class FrameProviderCached final : public FrameProvider {
+public:
+	FrameProviderCached(
+		const QByteArray &content,
+		FnMut<void(QByteArray &&cached)> put,
+		const QByteArray &cached,
+		const FrameRequest &request,
+		Quality quality,
+		const ColorReplacements *replacements);
+
+	QImage construct(
+		std::unique_ptr<FrameProviderToken> &token,
+		const FrameRequest &request) override;
+	const Information &information() override;
+	bool valid() override;
+
+	int sizeRounding() override;
+
+	std::unique_ptr<FrameProviderToken> createToken() override;
+
+	bool render(
+		const std::unique_ptr<FrameProviderToken> &token,
+		QImage &to,
+		const FrameRequest &request,
+		int index) override;
+
+private:
+	Cache _cache;
+	FrameProviderDirect _direct;
+	const QByteArray _content;
+	const ColorReplacements *_replacements = nullptr;
+
+};
+
+} // namespace Lottie