35 lines
693 B
C++
35 lines
693 B
C++
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
FILE *f = fopen("graf.mif", "rb");
|
|
fseek(f, 0, SEEK_END);
|
|
int size = ftell(f);
|
|
fseek(f, 0, SEEK_SET);
|
|
unsigned char *buffer = (unsigned char*)malloc(size);
|
|
fread(buffer, size, 1, f);
|
|
fclose(f);
|
|
|
|
unsigned char *p = buffer;
|
|
int num_img = *p++;
|
|
p += num_img*8;
|
|
|
|
for (int i=0; i<num_img; ++i)
|
|
{
|
|
p += 64000;
|
|
for (int j=0; j<768; ++j)
|
|
{
|
|
unsigned char color = *p;
|
|
*p = color << 2;
|
|
p++;
|
|
}
|
|
}
|
|
|
|
f = fopen("graf.mif", "wb");
|
|
fwrite(buffer, size, 1, f);
|
|
fclose(f);
|
|
|
|
free(buffer);
|
|
return 0;
|
|
} |