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#include<stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char *argv[])
{
    //Decralation of variables
    FILE *fpi1,*fpi2,*fpo;
    int id,ix,iy,i,j,width,height,time,num;
    unsigned char dn;
    unsigned char *buffer;
    int *imeco;
    unsigned char r,g,b;
    char line[4];

    //GPS data logger
    if((fpi1=fopen(argv[1],"r"))==NULL)
    {
        printf ("The file can't be opened. The program is exit.\n");
        return 0;
    }

    //image data
    if((fpi2=fopen(argv[2],"rb"))==NULL)
    {
        printf ("The file can't be opened. The program is exit.\n");
        return 0;
    }

    //image data + GPS
    if((fpo=fopen(argv[3],"wb"))==NULL)
    {
        printf("The file can't be opened. The program is exit.\n");
        return 0;
    }

    width = atoi(argv[4]); printf("W = %d,", width);
    height = atoi(argv[5]); printf("H = %d\n", height);

    r=atoi(argv[6]);
    g=atoi(argv[7]);
    b=atoi(argv[8]);

    time=atoi(argv[9]);
    printf("time=%d\n",time);
    num=atoi(argv[10]);


    //2 : x y
    imeco=(int*)malloc(2*num);
    fread((int*)imeco,sizeof(int),2*num,fpi1);

    //for image data :
    buffer= (unsigned char*)malloc(width*height*3);
    fread((unsigned char*)buffer,sizeof(char),width*height*3,fpi2);

    fseek(fpi1,time*7,SEEK_SET);
    fgets(line, 4, fpi1);
    ix=atoi(line);
    fgets(line, 4, fpi1);
    iy=atoi(line);

    //x y position on that time
    printf("ix=%d\n",ix);
    printf("iy=%d\n",iy);



    //colored point on that position
    buffer[3*(iy*width+ix)]=r;
    buffer[3*(iy*width+ix)+1]=g;
    buffer[3*(iy*width+ix)+2]=b;



    //record colored point to file (write)
    for(i=0;i<height*3;i++)
    {
        for(j=0;j<width;j++)
        {
            dn=buffer[i*width+j];
            fwrite(&dn,sizeof(char),1,fpo);
        }
    }

    printf("check6\n");

    free(buffer);
    free(imeco);

    fclose(fpi1);
    fclose(fpi2);
    fclose(fpo);

}