This commit is contained in:
Pin
2021-10-15 23:30:29 -04:00
parent 3c6c08429d
commit 184fc5fac4
3 changed files with 70 additions and 17 deletions

View File

@@ -3,5 +3,5 @@ int check_file_header(char *addr);
int check_header_length(unsigned char *addr, long offset);
unsigned long first_idat(unsigned char *addr);
int total_idat(unsigned char *addr);
void build_png_file(struct PNG_FILE_STRUCT *png_file);;;
int change_idat_content(unsigned char *addr, struct PNG_FILE_STRUCT *png_file, unsigned char *message, int accuracy, unsigned long offset);
void build_png_file(struct PNG_FILE_STRUCT *png_file, char *out_file_name);
int change_idat_content(unsigned char *addr, struct PNG_FILE_STRUCT *png_file, char *message, int accuracy, unsigned long offset, char *out_file_name);