mirror of
https://github.com/subsurface/subsurface.git
synced 2024-12-01 06:30:26 +00:00
2a0ee09cb2
PictureEntry was defined as class in imagedownloader.h and as struct in divepicturemodel.h A class has a vptr in front, so the difference is real at least for the clang compiler. Signed-off-by: Jan Iversen <jani@apache.org>
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
// SPDX-License-Identifier: GPL-2.0
|
|
#ifndef IMAGEDOWNLOADER_H
|
|
#define IMAGEDOWNLOADER_H
|
|
|
|
#include <QImage>
|
|
#include <QFuture>
|
|
#include <QNetworkReply>
|
|
#include <QThreadPool>
|
|
|
|
class ImageDownloader : public QObject {
|
|
Q_OBJECT
|
|
public:
|
|
static ImageDownloader *instance();
|
|
ImageDownloader();
|
|
public slots:
|
|
void load(QString filename, bool fromHash);
|
|
signals:
|
|
void loaded(QString filename);
|
|
void failed(QString filename);
|
|
private:
|
|
QNetworkAccessManager manager;
|
|
void loadFromUrl(const QString &filename, const QUrl &);
|
|
void saveImage(QNetworkReply *reply);
|
|
};
|
|
|
|
struct PictureEntry;
|
|
class Thumbnailer : public QObject {
|
|
Q_OBJECT
|
|
public:
|
|
static Thumbnailer *instance();
|
|
|
|
// Schedule a thumbnail for fetching or calculation.
|
|
// Returns a placehlder thumbnail. The actual thumbnail will be sent
|
|
// via a signal later.
|
|
QImage fetchThumbnail(PictureEntry &entry);
|
|
|
|
// If we change dive, clear all unfinished thumbnail creations
|
|
void clearWorkQueue();
|
|
static int maxThumbnailSize();
|
|
static int defaultThumbnailSize();
|
|
static int thumbnailSize(double zoomLevel);
|
|
public slots:
|
|
void imageDownloaded(QString filename);
|
|
void imageDownloadFailed(QString filename);
|
|
signals:
|
|
void thumbnailChanged(QString filename, QImage thumbnail);
|
|
private:
|
|
Thumbnailer();
|
|
void processItem(QString filename, bool tryDownload);
|
|
|
|
mutable QMutex lock;
|
|
QThreadPool pool;
|
|
QImage failImage; // Shown when image-fetching fails
|
|
QImage dummyImage; // Shown before thumbnail is fetched
|
|
|
|
QMap<QString,QFuture<void>> workingOn;
|
|
};
|
|
|
|
#endif // IMAGEDOWNLOADER_H
|