#ifndef CANVAS_H
#define CANVAS_H

#include <QWidget>
#include <QImage>
#include <QPoint>

class Canvas : public QWidget
{
    Q_OBJECT
public:
    explicit Canvas(QWidget *parent = 0);

signals:

public slots:
    void clearImage();

protected:
    void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
    void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
    void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
    void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
    void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;

private:
    void drawLineTo(const QPoint &endPoint);
    void resizeImage(QImage *image, const QSize &newSize);


    bool scribbling;
    int myPenWidth;
    QColor myPenColor;
    QImage image;
    QPoint lastPoint;
};

#endif // CANVAS_H