mirror of
https://github.com/Chatterino/chatterino2.git
synced 2024-11-21 22:24:07 +01:00
89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
#pragma once
|
|
|
|
#include <QPixmap>
|
|
#include <QString>
|
|
#include <QThread>
|
|
#include <QVector>
|
|
#include <atomic>
|
|
#include <boost/noncopyable.hpp>
|
|
#include <boost/optional.hpp>
|
|
#include <boost/variant.hpp>
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <pajlada/signals/signal.hpp>
|
|
|
|
#include "common/Aliases.hpp"
|
|
#include "common/Common.hpp"
|
|
|
|
namespace chatterino {
|
|
namespace detail {
|
|
template <typename Image>
|
|
struct Frame {
|
|
Image image;
|
|
int duration;
|
|
};
|
|
class Frames : boost::noncopyable
|
|
{
|
|
public:
|
|
Frames();
|
|
Frames(const QVector<Frame<QPixmap>> &frames);
|
|
~Frames();
|
|
|
|
bool animated() const;
|
|
void advance();
|
|
boost::optional<QPixmap> current() const;
|
|
boost::optional<QPixmap> first() const;
|
|
|
|
private:
|
|
void processOffset();
|
|
QVector<Frame<QPixmap>> items_;
|
|
int index_{0};
|
|
int durationOffset_{0};
|
|
pajlada::Signals::Connection gifTimerConnection_;
|
|
};
|
|
} // namespace detail
|
|
|
|
class Image;
|
|
using ImagePtr = std::shared_ptr<Image>;
|
|
|
|
/// This class is thread safe.
|
|
class Image : public std::enable_shared_from_this<Image>, boost::noncopyable
|
|
{
|
|
public:
|
|
~Image();
|
|
|
|
static ImagePtr fromUrl(const Url &url, qreal scale = 1);
|
|
static ImagePtr fromPixmap(const QPixmap &pixmap, qreal scale = 1);
|
|
static ImagePtr getEmpty();
|
|
|
|
const Url &url() const;
|
|
bool loaded() const;
|
|
// either returns the current pixmap, or triggers loading it (lazy loading)
|
|
boost::optional<QPixmap> pixmapOrLoad() const;
|
|
void load() const;
|
|
qreal scale() const;
|
|
bool isEmpty() const;
|
|
int width() const;
|
|
int height() const;
|
|
bool animated() const;
|
|
|
|
bool operator==(const Image &image) const;
|
|
bool operator!=(const Image &image) const;
|
|
|
|
private:
|
|
Image();
|
|
Image(const Url &url, qreal scale);
|
|
Image(qreal scale);
|
|
|
|
void setPixmap(const QPixmap &pixmap);
|
|
void actuallyLoad();
|
|
|
|
const Url url_{};
|
|
const qreal scale_{1};
|
|
std::atomic_bool empty_{false};
|
|
|
|
// gui thread only
|
|
bool shouldLoad_{false};
|
|
std::unique_ptr<detail::Frames> frames_{};
|
|
};
|
|
} // namespace chatterino
|