Digital clock coding in c++

 Digital  Clock 

#include<iostream> #include<conio.h> #include<dos.h> #include <windows.h> #include <time.h> using namespace std; char d0[5][3] = { 178,178,178, 178,' ',178, 178,' ',178, 178,' ',178, 178,178,178 }; char d1[5][3] = { ' ',' ',178, ' ',' ',178, ' ',' ',178, ' ',' ',178, ' ',' ',178 }; char d2[5][3] = { 178,178,178, ' ',' ',178, 178,178,178, 178,' ',' ', 178,178,178 }; char d3[5][3] = { 178,178,178, ' ',' ',178, 178,178,178, ' ',' ',178, 178,178,178 }; char d4[5][3] = { 178,' ',178, 178,' ',178, 178,178,178, ' ',' ',178, ' ',' ',178 }; char d5[5][3] = { 178,178,178, 178,' ',' ', 178,178,178, ' ',' ',178, 178,178,178 }; char d6[5][3] = { 178,178,178, 178,' ',' ', 178,178,178, 178,' ',178, 178,178,178 }; char d7[5][3] = { 178,178,178, ' ',' ',178, ' ',' ',178, ' ',' ',178, ' ',' ',178 }; char d8[5][3] = { 178,178,178, 178,' ',178, 178,178,178, 178,' ',178, 178,178,178 }; char d9[5][3] = { 178,178,178, 178,' ',178, 178,178,178, ' ',' ',178, ' ',' ',178 }; char sep[5][3] = { ' ',' ',' ', ' ',178,' ', ' ',' ',' ', ' ',178,' ', ' ',' ',' ' }; HANDLE console = GetStdHandle(STD_OUTPUT_HANDLE); COORD CursorPosition; void gotoxy(int x, int y){ CursorPosition.X = x; CursorPosition.Y = y; SetConsoleCursorPosition(console, CursorPosition); } void setcursor(bool visible, DWORD size) { if(size == 0) size = 20; CONSOLE_CURSOR_INFO lpCursor; lpCursor.bVisible = visible; lpCursor.dwSize = size; SetConsoleCursorInfo(console,&lpCursor); } void printDigit(int no, int x, int y ){ for(int i=0; i<5; i++){ for(int j=0; j<3; j++){ switch(no){ case 0: gotoxy(x+j, y+i); cout<<d0[i][j]; break; case 1: gotoxy(x+j, y+i); cout<<d1[i][j]; break; case 2: gotoxy(x+j, y+i); cout<<d2[i][j]; break; case 3: gotoxy(x+j, y+i); cout<<d3[i][j]; break; case 4: gotoxy(x+j, y+i); cout<<d4[i][j]; break; case 5: gotoxy(x+j, y+i); cout<<d5[i][j]; break; case 6: gotoxy(x+j, y+i); cout<<d6[i][j]; break; case 7: gotoxy(x+j, y+i); cout<<d7[i][j]; break; case 8: gotoxy(x+j, y+i); cout<<d8[i][j]; break; case 9: gotoxy(x+j, y+i); cout<<d9[i][j]; break; case 10: gotoxy(x+j, y+i); cout<<sep[i][j]; break; } } } } void drawBorder(int x=0, int y=0){ char v = 186; // vertical char h = 205; // horizontal char tr = 187; char br = 188; char tl = 201; char bl = 200; int width = 50; int height = 11; gotoxy((width/2)+x-11, y); cout<<"C U R R E N T T I M E"; for( int i=1; i<=height; i++ ){ for( int j=1; j<=width; j++ ){ gotoxy(j+x,i+y); if( i==1 && j==1 ) cout<< tl; else if( i==height && j==1 ) cout<< bl; else if( i==1 && j==width ) cout<< tr; else if( i==height && j==width ) cout<< br; else if( i==1 || i==height ) cout<< h; else if( j==1 || j==width ) cout<< v; } } } int main() { system("cls"); setcursor(0,0); srand((unsigned) time(NULL)); time_t now = time(0); // convert now to string form char* dt = ctime(&now); // convert now to tm struct for UTC tm *lotm = localtime(&now); dt = asctime(lotm); int hour = lotm->tm_hour; int min = lotm->tm_min; int sec = lotm->tm_sec; int gap = 5; int posX; int posY = 8; while(1){ system("cls"); drawBorder(9,4); posX = 15; if(kbhit()){ char ch = getch(); if(ch==27){ break; } } if( hour < 10 ){ printDigit(0, posX, posY); printDigit(hour, posX+=gap, posY); } else{ printDigit(hour/10, posX, posY); printDigit(hour%10, posX+=gap, posY); } printDigit(10, posX+=gap, posY); if( min < 10 ){ printDigit(0, posX+=gap, posY); printDigit(min, posX+=gap, posY); } else{ printDigit(min/10, posX+=gap, posY); printDigit(min%10, posX+=gap, posY); } printDigit(10, posX+=gap, posY); if( sec < 10 ){ printDigit(0, posX+=gap, posY); printDigit(sec, posX+=gap, posY); } else{ printDigit(sec/10, posX+=gap, posY); printDigit(sec%10, posX+=gap, posY); } //50 millisecond processing time is deducted, you can change it... Sleep(950); sec++; if( sec>=60 ){ sec = 0; min++; } if( min>=60 ){ min = 0; hour++; } if( hour>=24 ){ sec = 0; min = 0; hour = 0; } } return 0; }

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