mirror-chatterino2/src/messages/Image.hpp
2018-08-06 18:25:47 +02:00

91 lines
2 KiB
C++

#pragma once
#include "common/Common.hpp"
#include <QPixmap>
#include <QString>
#include <atomic>
#include <boost/noncopyable.hpp>
#include <memory>
#include <mutex>
#include "common/NullablePtr.hpp"
namespace chatterino {
namespace {
class Frame
{
public:
explicit Frame(const QPixmap *nonOwning, int duration = 1);
explicit Frame(std::unique_ptr<QPixmap> owning, int duration = 1);
const QPixmap *pixmap() const;
int duration() const;
private:
const QPixmap *nonOwning_{nullptr};
std::unique_ptr<QPixmap> owning_{};
int duration_{};
};
class Frames
{
public:
Frames();
Frames(std::vector<Frame> &&frames);
~Frames();
Frames(Frames &&other) = default;
Frames &operator=(Frames &&other) = default;
bool animated() const;
void advance();
const QPixmap *current() const;
const QPixmap *first() const;
private:
std::vector<Frame> items_;
int index_{0};
int timeOffset_{0};
};
} // namespace
class Image;
using ImagePtr = std::shared_ptr<Image>;
class Image : public std::enable_shared_from_this<Image>, boost::noncopyable
{
public:
static ImagePtr fromUrl(const Url &url, qreal scale = 1);
static ImagePtr fromOwningPixmap(std::unique_ptr<QPixmap> pixmap, qreal scale = 1);
static ImagePtr fromNonOwningPixmap(QPixmap *pixmap, qreal scale = 1);
static ImagePtr getEmpty();
const Url &url() const;
const QPixmap *pixmap() const;
qreal scale() const;
bool empty() 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(std::unique_ptr<QPixmap> owning, qreal scale);
Image(QPixmap *nonOwning, qreal scale);
void load();
Url url_{};
qreal scale_{1};
bool empty_{false};
bool shouldLoad_{false};
Frames frames_{};
QObject object_{};
static std::atomic<bool> loadedEventQueued;
};
} // namespace chatterino