gradienteditor.h

#ifndef GRADIENTEDITOR_H
#define GRADIENTEDITOR_H

#include <QtGui>
#include "shadewidget.h"
#include "Volume.h"

class GradientEditor : public QWidget
{
    Q_OBJECT
public:
    GradientEditor(QWidget *parent);

    void setGradientStops(const QGradientStops &stops);
    unsigned int* getColorsPtr();
    void updateColorTexture(int minDensity = 0, int maxDensity = 4095);
    void forwardHistogramPtr(QPixmap *histogramPtr);

public slots:
    void pointsUpdated();
    void colorDialog(int index, QWidget *selectedWidget);
    void moveColorsToAlpha(bool state);
    void moveColorsWithAlpha(int index, qreal newXPos);
    void newColorPoints(int index, qreal xPos);
    void deleteColorPoints(int index);

signals:
    void gradientStopsChanged(const QGradientStops &stops);

protected:
        void resizeEvent(QResizeEvent *event);

private:
    ShadeWidget *m_red_shade;
    ShadeWidget *m_green_shade;
    ShadeWidget *m_blue_shade;
    ShadeWidget *m_alpha_shade;
    unsigned int* colors;
    bool colorsFixatedToAlpha;
    bool sendUpdate;
};

#endif // GRADIENTEDITOR_H

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