lib_lottie/lottie/lottie_animation.h

94 lines
2.4 KiB
C++

// 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/lottie_common.h"
#include "base/weak_ptr.h"
#include <QtGui/QImage>
#include <variant>
class QString;
class QByteArray;
namespace rlottie {
class Animation;
} // namespace rlottie
namespace Lottie {
class Player;
class SharedState;
class FrameRenderer;
class FrameProvider;
std::shared_ptr<FrameRenderer> MakeFrameRenderer();
QImage ReadThumbnail(const QByteArray &content);
namespace details {
using InitData = std::variant<std::unique_ptr<SharedState>, Error>;
} // namespace details
class Animation final : public base::has_weak_ptr {
public:
struct FrameInfo {
QImage image;
int index = 0;
};
Animation(
not_null<Player*> player,
const QByteArray &content,
const FrameRequest &request,
Quality quality,
const ColorReplacements *replacements = nullptr);
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,
Quality quality,
const ColorReplacements *replacements = nullptr);
Animation( // Multi-cache version.
not_null<Player*> player,
int keysCount,
FnMut<void(int, FnMut<void(QByteArray &&)>)> get,
FnMut<void(int, QByteArray &&)> put, // Unknown thread.
const QByteArray &content,
const FrameRequest &request,
Quality quality,
const ColorReplacements *replacements = nullptr);
Animation( // Thread-safe version.
not_null<Player*> player,
std::shared_ptr<FrameProvider> provider,
const FrameRequest &request);
[[nodiscard]] bool ready() const;
[[nodiscard]] QImage frame() const;
[[nodiscard]] QImage frame(const FrameRequest &request) const;
[[nodiscard]] FrameInfo frameInfo(const FrameRequest &request) const;
[[nodiscard]] int frameIndex() const;
[[nodiscard]] int framesCount() const;
[[nodiscard]] Information information() const;
private:
void initDone(details::InitData &&data);
void parseDone(std::unique_ptr<SharedState> state);
void parseFailed(Error error);
const not_null<Player*> _player;
SharedState *_state = nullptr;
};
[[nodiscard]] std::optional<Error> ContentError(const QByteArray &content);
} // namespace Lottie