int main(int argc, char *argv[])
{
char ch;
int factor;
FILE *inf, *outf;
struct image img;
while ((ch = getopt(argc, argv, "f:h")) != -1) {
switch (ch) {
case 'h':
usage();
exit(0);
break;
case 'f':
factor = atoi(optarg);
break;
default:
break;
}
}
argc -= optind;
argv += optind;
if (argc != 2) {
usage();
exit(0);
}
inf = fopen(argv[0],"r");
if (inf == NULL){
printf("No open FIle \n");
exit(0);
}
outf = fopen(argv[1],"w");
if (outf == NULL){
printf("No out FIle \n");
exit(0);
}
imbread(inf,&img); //reads in binary file
imbzoomwrite(outf,&img, factor); //calls the binary zoom write function which takes an output file and image and the zoom factor
return 0 ;
}
int main(int argc, char *argv[])
{
char ch;
int r_flag = 0;
while ((ch = getopt(argc, argv, "rh")) != -1) {
switch (ch) {
case 'h':
usage();
exit(0);
break;
case 'r':
r_flag = 1;
break;
default:
break;
}
}
argc -= optind;
argv += optind;
if (argc != 2) {
usage();
exit(0);
}
// Handle opening the input file
FILE* fp_in;
char *in_file = argv[0];
if (strcmp(in_file, "-") == 0) {
fp_in = stdin;
} else {
if (r_flag) {
fp_in = fopen(in_file, "rb");
} else {
fp_in = fopen(in_file, "r");
}
}
if (fp_in == NULL) {
fprintf(stderr, "file not found: %s\n", in_file);
return 0;
}
// Handle opening the output file
FILE* fp_out;
char *out_file = argv[1];
if (strcmp(out_file, "-") == 0) {
fp_out = stdout;
} else {
if (r_flag) {
fp_out = fopen(out_file, "wb");
} else {
fp_out = fopen(out_file, "w");
}
}
if (fp_out == NULL) {
fprintf(stderr, "file not found: %s\n", out_file);
return 0;
}
struct image img;
if (r_flag) {
if (imbread(fp_in, &img) != 0) {
fprintf(stderr, "Error reading from data file\n");
return 0;
}
if (imtwrite(fp_out, &img) != 0) {
fprintf(stderr, "Error writing to text file\n");
return 0;
}
} else {
if (imtread(fp_in, &img) != 0) {
fprintf(stderr, "Error reading from text file\n");
return 0;
}
if (imbwrite(fp_out, &img) != 0) {
fprintf(stderr, "Error writing to data file\n");
return 0;
}
}
free(img.pixbuf);
fclose(fp_in);
fclose(fp_out);
return 0;
}