#include< stdio.h>
#include< stdlib.h>

void main()
{
    FILE *read_fp, *write_fp;
    int i,j;
    unsigned char temp[256][256];
    unsigned char write[256][256];
    unsigned char write_temp[256][256];

    read_fp=fopen("Lena(256x256).raw","rb");
    if(!read_fp)
        printf("파일이 존재하지 않습니다.\n"),exit(1);
    fread(temp,sizeof(unsigned char),256*256,read_fp); 
    fclose(read_fp);

    
    // 회전부 Rotate Right
    for(i=0;i<=255;i++)
        for(j=0;j<=255;j++)
            write[j][255-i] = temp[i][j];
    
    write_fp = fopen("rotate_right.raw","wb");
    fwrite(write,sizeof(unsigned char),256*256,write_fp);
    puts("우로 회전 완료");
    fclose(write_fp);
        
    // 회전부 Rotate Left
    for(i=0;i<=255;i++)
        for(j=0;j<=255;j++)
            write[255-j][i] = temp[i][j];
    
    write_fp = fopen("rotate_left.raw","wb");
    fwrite(write,sizeof(unsigned char),256*256,write_fp);
    puts("좌로 회전 완료");
    fclose(write_fp);


    // 인버팅부
   for(i=0;i<=255;i++)
        for(j=0;j<=255;j++)
            write[i][j]=~temp[i][j];
            //write[i][j]=255 - temp[i][j];

      write_fp = fopen("invert.raw","wb");
    fwrite(write,sizeof(unsigned char),256*256,write_fp);
    puts("역상 효과 완료");
    fclose(write_fp);

    // 거울 효과
    for(i=0;i<=255;i++)
        for(j=0;j<=255;j++)
            write[i][255-j] = temp[i][j];
    
    write_fp = fopen("mirror.raw","wb");
    fwrite(write,sizeof(unsigned char),256*256,write_fp);
    puts("거울 효과 완료");
    fclose(write_fp);

    // Vertical
    for(i=0;i<=255;i++)
        for(j=0;j<=255;j++)
            write[255-i][j] = temp[i][j];
    
    write_fp = fopen("vertical.raw","wb");
    fwrite(write,sizeof(unsigned char),256*256,write_fp);
    puts("상하 반전 완료");
    fclose(write_fp);

    // Rotation & Inverting
    for(i=0;i<=255;i++)
        for(j=0;j<=255;j++)
            write_temp[255-j][i] = temp[i][j];
    
   for(i=0;i<=255;i++)
        for(j=0;j<=255;j++)
            write[i][j]=255 - write_temp[i][j];

    write_fp = fopen("rotation_inverting.raw","wb");
    fwrite(write,sizeof(unsigned char),256*256,write_fp);
    puts("회전후 역상 완료");
    fclose(write_fp);

}