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Initial PNG CC Implementation

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Signed-off-by: Pin <wf6DJd8a3xSSCZbn@protonmail.com>
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Pin
2021-09-21 01:15:03 -04:00
parent fafe5a4520
commit c86b56286c
9 changed files with 668 additions and 0 deletions
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include/crc.h Normal file
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#pragma once
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, 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);