수다닷컴

질문 제목 : bmp 속성값을 바꿔 b만 0으로만드는 c코딩아무 bmp 파일만가지고 b숫자만 0인 c코딩을해서 화면에 출력하고싶습니다.질문 내용 :#includestdio.h
#includemalloc.hint main()
{
char firstcharacter;
char secondcharacter;
unsigned int size;
unsigned int reserved;
unsigned int data_offset;
unsigned int size_x;
unsigned int width;
unsigned int height;
unsigned int planes;
unsigned int bit_count;
unsigned int compression;
unsigned int image_size;
int image_height;
int image_width;
int image_data_size;
unsigned int x_pixels_per_m;
unsigned int y_pixels_per_m;
unsigned int colors_used;
unsigned int colors_important;
int i,j;

file * fp = fopen(d:\dd.bmp, rb);
fread (&firstcharacter, sizeof (char), 1, fp);
fread (&secondcharacter, sizeof (char), 1, fp);
fread (&size, sizeof (int), 1, fp);
fread (&reserved, sizeof (int), 1, fp);
fread (&data_offset, sizeof (int), 1, fp);
fread (&size_x, sizeof (int), 1, fp);
fread (&width, sizeof (int), 1, fp);
fread (&height, sizeof (int), 1, fp);
fread (&planes, sizeof (int), 1, fp);
fread (&bit_count, sizeof (int), 1, fp);
fread (&compression, sizeof (int), 1, fp);
fread (&image_size, sizeof (int), 1, fp);
fread (&x_pixels_per_m, sizeof (int), 1, fp);
fread (&y_pixels_per_m, sizeof (int), 1, fp);
fread (&colors_used, sizeof(int), 1, fp);
fread (&colors_important, sizeof(int), 1, fp);
printf (first character is %c \n, firstcharacter);
printf (second character is %c \n, secondcharacter);
printf (size is %d \n,size);
printf (reserved is %d \n,reserved);
printf (data_offset is %d \n,data_offset);
printf (size_x is %d \n,size_x);
printf (width is %d \n,width);
printf (height is %d \n,height);
printf (planes is %d \n,planes);
printf (bit_count is %d \n,bit_count);
printf (compression is %d \n,compression);
printf (image_size is %d \n,image_size);
printf (x_pixels_per_m is %d \n,x_pixels_per_m);
printf (y_pixels_per_m is %d \n,y_pixels_per_m);
printf (colors_used is %d \n, colors_used);
printf (colors_important is %d \n, colors_important); char * image_data = (char *) malloc(image_data_size);
fread (image_data, image_data_size,1,fp);
unsigned int padding;
padding = 8 - (width*3)%8; for (int i = 0; i image_height; i++)
for (int j = 0; j image_width; j++)
{
image_data[i*(width*3+padding) + j*3] =0; //
} fclose (fp); file * wp;
wp = fopen (newfile.bmp, wb);
fwrite (&firstcharacter, sizeof (char), 1, wp);
///. write header information as same as you read
// now write the image pixel data which is changed one
fwrite (image_data, image_data_size,1,wp);
fwrite (&secondcharacter, sizeof (char), 1, wp); fread(image_data, image_data_size,1,fp); free (image_data); fclose(fp);
fclose (wp); return 0;}
제가 만든 코딩은 여기까진데 일단 성공은되는데 경고가 너무많고, 실행하면 오류가뜨네요.
다른 프로그램을쓰지않고 이프로그램만가지고 b가 0인 bmp파일을 화면에 출력하고싶은데
부족한부분 수정좀 부탁드립니다.

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