a encryption of libjpeg and libpng with easy using API
Methods: void free_rrimage(rrimage *);
unsigned char get_gray(rrimage *, int, int); unsigned char get_r(rrimage *, int, int); unsigned char get_g(rrimage *, int, int); unsigned char get_b(rrimage *, int, int);
void set_gray(unsigned char gray, rrimage *, int, int); void set_r(unsigned char r, rrimage *, int, int); void set_g(unsigned char g, rrimage *, int, int); void set_b(unsigned char b, rrimage *, int, int);
int check_if_png(FILE ); rrimage read_jpeg(FILE *); int write_jpeg(FILE *, rrimage ); rrimage read_png(FILE *); int write_png(FILE *, rrimage *);