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#ifndef IMAGEWIDGET_H
#define IMAGEWIDGET_H

#include <QWidget>
#include <QImage>
#include <QtGui>

class ImageWidget : public QWidget
{
    Q_OBJECT

public:
    ImageWidget(QWidget *parent = 0);

    void openDirectory(const QString &path);

protected:
    void paintEvent(QPaintEvent*);
    void resizeEvent(QResizeEvent*);
    void mouseDoubleClickEvent(QMouseEvent*);

private slots:
    void panTriggered();
    void pinchTriggered();
    void swipeTriggered();

private:
    void updateImage();
    QImage loadImage(const QString &fileName);
    void loadImage();
    void goNextImage();
    void goPrevImage();
    void goToImage(int index);

    QString path;
    QStringList files;
    int position;

    QImage prevImage, nextImage;
    QImage currentImage;

    float horizontalOffset;
    float verticalOffset;
    float rotationAngle;
    float scaleFactor;
};

#endif