74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/basic_types.h"
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#include "base/flat_map.h"
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#include "base/weak_ptr.h"
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#include "base/timer.h"
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#include "lottie/lottie_common.h"
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#include <QSize>
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#include <crl/crl_time.h>
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#include <rpl/event_stream.h>
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#include <vector>
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#include <optional>
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class QImage;
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class QString;
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class QByteArray;
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namespace Lottie {
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class Animation;
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class SharedState;
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class FrameRenderer;
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bool ValidateFile(const QString &path);
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std::unique_ptr<Animation> FromFile(const QString &path);
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std::unique_ptr<Animation> FromData(const QByteArray &data);
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class Animation final : public base::has_weak_ptr {
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public:
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explicit Animation(QByteArray &&content);
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~Animation();
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//void play(const PlaybackOptions &options);
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[[nodiscard]] QImage frame(const FrameRequest &request) const;
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[[nodiscard]] rpl::producer<Update, Error> updates() const;
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[[nodiscard]] bool ready() const;
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// Returns frame position, if any frame was marked as displayed.
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crl::time markFrameDisplayed(crl::time now);
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crl::time markFrameShown();
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void checkStep();
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private:
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void parseDone(std::unique_ptr<SharedState> state);
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void parseFailed();
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void checkNextFrameAvailability();
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void checkNextFrameRender();
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//crl::time _started = 0;
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//PlaybackOptions _options;
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base::Timer _timer;
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crl::time _nextFrameTime = kTimeUnknown;
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SharedState *_state = nullptr;
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std::shared_ptr<FrameRenderer> _renderer;
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rpl::event_stream<Update, Error> _updates;
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rpl::lifetime _lifetime;
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};
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} // namespace Lottie
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