strawberry-audio-player-win.../src/widgets/prettyimage.h

102 lines
2.2 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef PRETTYIMAGE_H
#define PRETTYIMAGE_H
#include "config.h"
#include <QObject>
#include <QWidget>
#include <QFuture>
#include <QString>
#include <QUrl>
#include <QImage>
#include <QPixmap>
#include <QPainter>
#include <QRect>
#include <QSize>
#include <QMenu>
#include <QNetworkAccessManager>
#include <QtEvents>
class QContextMenuEvent;
class QPaintEvent;
class RedirectFollower;
class PrettyImage : public QWidget {
Q_OBJECT
public:
PrettyImage(const QUrl &url, QNetworkAccessManager *network, QWidget *parent = nullptr);
static const int kTotalHeight;
static const int kReflectionHeight;
static const int kImageHeight;
static const int kMaxImageWidth;
static const char *kSettingsGroup;
QSize sizeHint() const;
QSize image_size() const;
signals:
void Loaded();
public slots:
void LazyLoad();
void SaveAs();
void ShowFullsize();
protected:
void contextMenuEvent(QContextMenuEvent*);
void paintEvent(QPaintEvent*);
private slots:
void ImageFetched(RedirectFollower *reply);
void ImageScaled(QFuture<QImage> future);
private:
enum State {
State_WaitingForLazyLoad,
State_Fetching,
State_CreatingThumbnail,
State_Finished,
};
void DrawThumbnail(QPainter *p, const QRect &rect);
private:
QNetworkAccessManager *network_;
State state_;
QUrl url_;
QImage image_;
QPixmap thumbnail_;
QMenu *menu_;
QString last_save_dir_;
};
#endif // PRETTYIMAGE_H