83 lines
1.7 KiB
C++
83 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 <crl/crl_time.h>
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#include <QString>
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#include <QHash>
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#include <QPainter>
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class BMBase;
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class BMLayer;
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namespace Lottie {
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class Animation;
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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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struct PlaybackOptions {
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float64 speed = 1.;
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bool loop = true;
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};
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class Animation final {
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public:
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explicit Animation(const QByteArray &content);
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~Animation();
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void play(const PlaybackOptions &options);
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QImage frame(crl::time now) const;
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int frameRate() const;
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crl::time duration() const;
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void play();
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void pause();
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void resume();
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void stop();
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[[nodiscard]] bool active() const;
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[[nodiscard]] bool ready() const;
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[[nodiscard]] bool unsupported() const;
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[[nodiscard]] float64 speed() const;
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void setSpeed(float64 speed); // 0.5 <= speed <= 2.
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[[nodiscard]] bool playing() const;
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[[nodiscard]] bool buffering() const;
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[[nodiscard]] bool paused() const;
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[[nodiscard]] bool finished() const;
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private:
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void parse(const QByteArray &content);
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int _startFrame = 0;
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int _endFrame = 0;
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int _frameRate = 30;
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qreal _realWidth = 0;
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qreal _realHeight = 0;
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base::flat_map<QString, int> _markers;
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bool _initialized = false;
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bool _unsupported = false;
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bool _failed = false;
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bool _paused = false;
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crl::time _started = 0;
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PlaybackOptions _options;
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std::unique_ptr<BMBase> _treeBlueprint;
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};
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} // namespace Lottie
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