VolumeData.h

#ifndef __volume_data_header
#define __volume_data_header

#include <GL/glew.h>
#include <QtOpenGL>

class VolumeData : public QObject
{
    Q_OBJECT
public:
        VolumeData();
        virtual ~VolumeData(void);

        GLuint getTextureName();
        GLuint getGradientTextureName();

        static VolumeData* instance();

        int getHeight() { return m_iHeight; }
        int getWidth() { return m_iWidth; }
        int getDepth() { return m_iDepth; }

public slots:
        void loadDataSet(QString filename);
        int* getHistogramData();
        float* getNormalizedHistogramData();
        float* getLogNormalizedHistogramData();

private:
        GLfloat *data; 
        GLfloat *gradients; 
        int *histodata; 
        GLuint textureName;
        GLuint gradientTextureName;
        GLfloat* getVolumetricData();
        int m_iWidth;
        int m_iHeight;
        int m_iDepth;
        
};

#endif

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