main.c
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#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
if(argc != 3)
{
printf("bmp2map [BMP_SRC] [MAP_DEST]\n");
return 1;
}
FILE* src = NULL;
FILE* dst = NULL;
unsigned char buffer[5];
int initOffsetBMP;
src = fopen(argv[1], "r");
dst = fopen(argv[2], "w");
if(src == NULL)
{
printf("Unable to open the BMP file\n");
return 2;
}
if(dst == NULL)
{
printf("Unable to open the MAP file\n");
return 3;
}
//printf("Reading BMP\n");
fseek(src, 0x0A, SEEK_SET);
buffer[0] = getc(src);
buffer[1] = getc(src);
buffer[2] = getc(src);
buffer[3] = getc(src);
//printf("Pixel array offset %02x %02x %02x %02x\n", buffer[3], buffer[2], buffer[1], buffer[0]);
initOffsetBMP = buffer[0] + ((int)buffer[1] * 256);
fseek(src, 0x12, SEEK_SET);
buffer[0] = getc(src);
buffer[1] = getc(src);
buffer[2] = getc(src);
buffer[3] = getc(src);
//printf("Width %02x %02x %02x %02x\n", buffer[3], buffer[2], buffer[1], buffer[0]);
//fseek(src, 0x12, SEEK_SET);
buffer[0] = getc(src);
buffer[1] = getc(src);
buffer[2] = getc(src);
buffer[3] = getc(src);
//printf("Height %02x %02x %02x %02x\n", buffer[3], buffer[2], buffer[1], buffer[0]);
fseek(src, 0x1C, SEEK_SET);
buffer[0] = getc(src);
buffer[1] = getc(src);
//printf("Bits Per Pixel %02x %02x\n", buffer[0], buffer[1]);
if(buffer[1] != 0 || buffer[0] != 0x08)
{
printf("Could not read BMP as it's in %d bits per pixel\n", buffer[0]);
return 1;
}
fseek(src, initOffsetBMP, SEEK_SET);
//printf("Now reading BMP pixels and printing them to the MAP file\n");
while(1)
{
buffer[0] = getc(src);
if(feof(src))
break;
//printf("Pixel BMP 24 bits Grey %02X\n", buffer[0]);
fprintf(dst, "%c", buffer[0]);
}
//printf("Done !\n");
fclose(src);
fclose(dst);
return 0;
}