GÉNÉRATEUR FM EXPÉRIMENTAL

class SoundBuffer
{
	FILE *fichier;
	char pathname[256];

	char *buffer;
	size_t bufferSize;
	HDC hdc;
	int zoom;
	RECT rect;


public:
	SoundBuffer(HDC iHdc) { 
		buffer = 0;
		bufferSize = 0;
		hdc = iHdc;
		zoom = 1;
		fichier = 0;
		pathname[0]=0;
	}
	~SoundBuffer() {
		if(buffer)
			free(buffer);
	}

	bool GetPathName(char iPathname[256], HWND hWnd);
	char* SetPathName(char iPathname[256])	{	return strcpy(pathname, iPathname);	}
	bool LoadFile();
	void BuildFile(int freqEchantillonage, int duree, int iCanaux, int iResolution, int frequenceGauche, int frequenceDroite, int iFrequence, int gainGauche, int gainDroit, int iGain, double iModulation);

	void SetRect(RECT &iRect)	{	rect = iRect;	}
	void DrawSample();
	void PlayMemSound()	{	::PlaySound (buffer,   NULL, SND_MEMORY   | SND_ASYNC);	}
	void PlayFileSound(){	::PlaySound (pathname, NULL, SND_FILENAME | SND_ASYNC);	}

	bool IncZoom();
	bool DecZoom();
};