main.c

face recognition using hmm. first version.

#ifdef _CH_
#define WIN32
#error "The file needs cvaux, which is not wrapped yet. Sorry"
#endif

#ifndef _EiC
#include "cv.h"
#include "highgui.h"

#include <stdio.h>
#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#endif

using namespace std;

#ifdef _EiC
#define WIN32
#endif

int main( int argc, char** argv )
{
    IplImage *img;
    const char *dir;
	char filename[255];
	const char *prefix;
	int  num=0, i;
	int c;
	FILE *fp;

    dir = argc > 1 ? argv[1] : 0;
	prefix = argc > 2? argv[2]: 0;
	num = argc > 3? atoi(argv[3]) : 0;

	if(dir && prefix){
		for(i=0; i<num; i++){
			sprintf(filename, "%s\\%s%3d.pgm", dir, prefix,i);
			img = cvLoadImage(filename, 0); //force to grayscale
			if(!(fp=fopen(filename, "wb"))){
				cout<<"Cannot write to file"<<endl;
				exit(0);
			}
			fprintf(fp, "P5\n%d %d\n255\n", img->width, img->height);
			fwrite(img->imageData, 1, img->imageSize, fp);
			fclose(fp);
        }

    }
    else
    {
		printf("FormatConvert: convert color pgm files to grayscale.\n");
		printf("   syntax: FormatConvert dirName filePrefix\n");
		printf("           dirName or filePrefix not found.\n");
		printf("           exiting.....\n");
    }
    
    return 0;
}

#ifdef _EiC
main(1,"main.cpp");
#endif