[C언어 소스] 디지털 시계

[C언어 소스] 디지털 시계

디지털 시계.c

#include <Windows.h>
#include <stdio.h>
#include <time.h>
#include <conio.h>
 
char*digits[10][5][4]=//0~9까지 출력할 정보
{
    {
        {"■","■","■","■"},
        {"■","  ","  ","■"},
        {"■","  ","  ","■"},
        {"■","  ","  ","■"},
        {"■","■","■","■"}
    },
    {
        {"  ","  ","  ","■"},
        {"  ","  ","  ","■"},
        {"  ","  ","  ","■"},
        {"  ","  ","  ","■"},
        {"  ","  ","  ","■"}
    },
    {
        {"■","■","■","■"},
        {"  ","  ","  ","■"},
        {"■","■","■","■"},
        {"■","  ","  ","  "},
        {"■","■","■","■"}
    },
    {
        {"■","■","■","■"},
        {"  ","  ","  ","■"},
        {"■","■","■","■"},
        {"  ","  ","  ","■"},
        {"■","■","■","■"}
    },
    {
        {"■","  ","■","  "},
        {"■","  ","■","  "},
        {"■","■","■","■"},
        {"  ","  ","■","  "},
        {"  ","  ","■","  "}
    },
    {
        {"■","■","■","■"},
        {"■","  ","  ","  "},
        {"■","■","■","■"},
        {"  ","  ","  ","■"},
        {"■","■","■","■"},
    }, 
    {
        {"■","  ","  ","  "},
        {"■","  ","  ","  "},
        {"■","■","■","■"},
        {"■","  ","  ","■"},
        {"■","■","■","■"}
    },
    {
        {"■","■","■","■"},
        {"■","  ","  ","■"},
        {"■","  ","  ","■"},
        {"  ","  ","  ","■"}, 
        {"  ","  ","  ","■"}
    },
    {
        {"■","■","■","■"},
        {"■","  ","  ","■"},
        {"■","■","■","■"},
        {"■","  ","  ","■"},
        {"■","■","■","■"}
    },
    {
        {"■","■","■","■"},
        {"■","  ","  ","■"},
        {"■","■","■","■"},
        {"  ","  ","  ","■"},
        {"  ","  ","  ","■"}
    }
};
 
int sx[6]={0,10,24,34,48,58};//시분초를 출력할 x좌표 
 
char *colons[5]={ " ","■","  ","■","  "}; 
int sx2[6]={20,44};//콜론을 출력할 좌표
 
void gotoxy(int x,int y)
{
    COORD Pos = {x,y};
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),Pos);
}
 
 
//dn자리에 정수 n을 출력하는 함수
void DrawNum(int dn,int n)
{
    int y,x;
 
    for(y=0;y<5;y++)
    {
        for(x=0;x<4;x++)
        {
            gotoxy(sx[dn]+x*2,y);
            printf("%s",digits[n][y][x]);
        }
        printf("\n");
    }
}
 
 
//콜론을 출력하는함수 n이 0이면 시와 분사이, 1이면 분과 초사이
void DrawColon(int n)
{
    int y=0;
 
    
    for(y=0;y<5;y++)
    {
        gotoxy(sx2[n],y);
        printf("%s\n",colons[y]);
    }
 
}
 
 
//시간을 출력하는함수
void DrawTime(int h,int m,int s)
{
    DrawNum(0,h/10);//시의 앞자리
    DrawNum(1,h%10);//시의 뒷자리
    DrawColon(0);//콜론
    DrawNum(2,m/10);//분의 앞자리
    DrawNum(3,m%10);//분의 뒷자리
    DrawColon(1);//콜론
    DrawNum(4,s/10);//초의 앞자리
    DrawNum(5,s%10);//초의 뒷자리
}
 
int main(void)
{
    time_t now,before;
    struct tm nt;
 
    gotoxy(0,8);
    printf("아무키나 누르면 프로그램 종료");
    
    now = before = time(0); //초 단위 시간을 구함
    localtime_s(&nt,&now); //지역 시각을 구함
    DrawTime(nt.tm_hour,nt.tm_min,nt.tm_sec);//현재 시각을 출력
    while(kbhit()==0)
    {
        now = time(0);//초단위 시간을 구함
        if(now != before)//다르면
        {
            before = now;//현재 초단위 시간을 기억
            localtime_s(&nt,&now);//지역 시각을 구함
            DrawTime(nt.tm_hour,nt.tm_min,nt.tm_sec);//현재 시각을 출력
        }
    }
    
    return 0;
}