tdesktop/Telegram/SourceFiles/lottie/lottie_animation.h

68 lines
1.5 KiB
C++

/*
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 "lottie/lottie_common.h"
#include "base/weak_ptr.h"
class QImage;
class QString;
class QByteArray;
namespace rlottie {
class Animation;
} // namespace rlottie
namespace Lottie {
class Player;
class SharedState;
class FrameRenderer;
std::shared_ptr<FrameRenderer> MakeFrameRenderer();
QImage ReadThumbnail(const QByteArray &content);
namespace details {
using InitData = base::variant<std::unique_ptr<SharedState>, Error>;
std::unique_ptr<rlottie::Animation> CreateFromContent(
const QByteArray &content);
} // namespace details
class Animation final : public base::has_weak_ptr {
public:
Animation(
not_null<Player*> player,
const QByteArray &content,
const FrameRequest &request);
Animation(
not_null<Player*> player,
FnMut<void(FnMut<void(QByteArray &&cached)>)> get, // Main thread.
FnMut<void(QByteArray &&cached)> put, // Unknown thread.
const QByteArray &content,
const FrameRequest &request);
[[nodiscard]] bool ready() const;
[[nodiscard]] QImage frame() const;
[[nodiscard]] QImage frame(const FrameRequest &request) const;
private:
void initDone(details::InitData &&data);
void parseDone(std::unique_ptr<SharedState> state);
void parseFailed(Error error);
not_null<Player*> _player;
SharedState *_state = nullptr;
};
} // namespace Lottie