//
// Computergraphik II
// Prof. Dr. Juergen Doellner
// Wintersemester 2001/02
// 
// Rahmenprogramm zu Aufgabenzettel 7
//

#ifndef CG_TEXTURE_H
#define CG_TEXTURE_H

#include "cgapplication.h"
#include "vector.h"

class CGTexture : public CGApplication {
public:
    CGTexture(char* filename);
    virtual ~CGTexture();

    virtual void onInit();
    virtual void onDraw();        
    virtual void onIdle();
    virtual void onKey(unsigned char key);    
    virtual void onSize(unsigned int newWidth, unsigned int newHeight);

    void readImage();

    // value Methode
    unsigned char value(int x, int z) const;
    
private: 

    void drawScene();
	void drawObject();
	void buildPatch(int detail);
	void handleVertex(const Vector& v);

    // dimension of viewport
    int width_;
    int height_;

    // size of mesh
    double zoom_;

    // filename of ppm-image
    char* filename_;

    // dimension of texture
    int texWidth_;
    int texHeight_;
    // image for texture
    GLubyte* image_;
	// texture ID
	GLuint textureID_;
	// rotate texture
	bool rotate_;

	bool run_;
    int num_;
	Vector* list_;
};

#endif // CG_WAVE_H