#ifndef QIMAGEWIDGET_H
#define QIMAGEWIDGET_H

#include <QPixmap>
#include <QWidget>

class RendererManager;

enum TZoomTypes { EZoom_plus = 0x0, EZoom_minus, EZoom_fit, EZoom_orig };

class QImageWidget : public QWidget
{
    Q_OBJECT

public:
    QImageWidget(QWidget *parent = 0, RendererManager* thread = 0);

    void setAutofit(const bool Autofit = false)
    {
        autofit = Autofit;
    }

    const QImage getImage() const;

protected:
    void paintEvent(QPaintEvent *event);
    void resizeEvent(QResizeEvent *event);
    void keyPressEvent(QKeyEvent *event);
    void wheelEvent(QWheelEvent *event);
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);

private slots:
    void updatePixmap(const QImage &image);
    void zoomIntercept(const TZoomTypes type);

signals:
    void scaleIsModified(double scale);

private:
    void zoom(double zoomFactor);

    QPixmap pixmap;
    QPoint pixmapOffset;
    QPoint lastDragPos;
    double curScale;
    bool autofit;
};

#endif