D:/Timo/Visualisierung/LU/Aufgabe1/src/GLView.h

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#ifndef GLView_H
#define GLView_H

#include "glew/glew.h"

#include <QGLWidget>

const int getNextPowerOfTwo(const int number);

struct VolumeDesc
{
        bool hasChanged;
        GLuint volumeTexture;
        GLuint realWidth, realHeight, realDepth;
        GLuint width, height, depth;
        GLuint xOffset, yOffset, zOffset;
        GLfloat xNormOffset, yNormOffset, zNormOffset;
        GLfloat xNormLength, yNormLength, zNormLength;
        GLuint maxSideLength;
        GLfloat stepDist;

        VolumeDesc();
        void set(GLuint realWidth, GLuint realHeight, GLuint realDepth);
};

struct TransferFunctionDesc
{
        bool hasChanged;
        unsigned int *transferFunction;

        TransferFunctionDesc();
        ~TransferFunctionDesc();
        void set(unsigned int *transferFunction, int length);
};

struct StateDesc
{
        bool shaderChanged;
        int shaderIndex;

        StateDesc();
        void setShaderIndex(int shaderIndex);
};

class GLView
{
public:
        GLView();

        void setData(QGLWidget *parent, VolumeDesc *volumeDesc, TransferFunctionDesc *transferFunctionDesc, StateDesc *stateDesc);

        virtual void initializeGL() = 0;
        virtual void uninitializeGL() = 0;
        virtual void paintGL() = 0;
        virtual void resizeGL(int width, int height) = 0;
        virtual void mousePressEvent(QMouseEvent *event) = 0;
        virtual void mouseMoveEvent(QMouseEvent *event) = 0;
        virtual void wheelEvent(QWheelEvent *event) = 0;

protected:
        QGLWidget *parent;
        VolumeDesc *volumeDesc;
        TransferFunctionDesc *transferFunctionDesc;
        StateDesc *stateDesc;

private:
};

#endif // GLView_H

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