bool Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
int GetPixel(unsigned char red, unsigned char green, unsigned char blue) const;
bool GetRGB(int pixel, unsigned char *red, unsigned char *green, unsigned char *blue) const;
bool Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue);
int GetPixel(unsigned char red, unsigned char green, unsigned char blue) const;
bool GetRGB(int pixel, unsigned char *red, unsigned char *green, unsigned char *blue) const;