#ifndef CAMPREVIEW_H
#define CAMPREVIEW_H

#include <QComboBox>
#include <QLabel>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QDialogButtonBox>
#include <QStackedWidget>
#include <QGridLayout>
#include <QSpinBox>
#include <QPainter>
#include <pylon/PylonIncludes.h>

#include "pylonwrapper.h"
#include "util.h"
namespace Ui {
    class CameraPreview;
}
    
class CameraPreview : public QWidget
{
    Q_OBJECT

public:
    explicit CameraPreview(QWidget *parent = 0);
    ~CameraPreview();

    ROI getRoi();
    void updateROI(bool emitSignal=true);
    void setSize(int width, int height);
    QString device();

public slots:
    void setCamera(QString &device);
    void updateWidth(QString s);
    void updateHeight(QString s);
    void updateXoffs(QString s);
    void updateYoffs(QString s);

signals:
    void roiUpdated(int x, int y, int width, int height);

private:
    QString cameraname;
    QSpinBox *width, *height, *xoffs, *yoffs;
    QLabel *imgLabel;
    QLabel *label;

    QPixmap pm;

    void takeStill();
    void setImage(const QPixmap &img);
    void validate(QSpinBox *origin, QSpinBox *dest, int limit);
    int ensureDivbyfour(int value);
    PylonWrapper *camera;

};
    
#endif // CAMPREVIEW_H