fraQtalWidget.h

#ifndef FRAQTALWIDGET_H
#define FRAQTALWIDGET_H

#include <QPixmap>
#include <QWidget>

#include "drawThread.h"
#include "calculateThread.h"
#include "fractal.h"


class CFraQtalWidget : public QWidget
{
    Q_OBJECT

public:
    CFraQtalWidget(QWidget *parent = 0, int dummy=0);
    void setSize(int width, int height);
    void associate(CFractal fractal);

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, double scaleFactor);
    void updateStatus(double progress);

private:
    void zoom(double zoomFactor);
    void scroll(int deltaX, int deltaY);

    CDrawThread drawThread;
    CCalculateThread calcThread;
    CFractal associatedFractal;
    QPixmap pixmap;
    QPoint pixmapOffset;
    QPoint lastDragPos;
    double centerX;
    double centerY;
    double pixmapScale;
    double curScale;
    int widgetWidth;
    int widgetHeight;
};


#endif // FRAQTALWIDGET_H

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