#include<iostream.h>
#include<conio.h>
#include<graphics.h>
#include<dos.h>
#include<string.h>
#define pixTOrc(x) (8*(x-1))  //convert pixel into row and col format//Advertise Screen will displayed to utilize empty screen area//It can be utilize for some effective...workvoid advertise(){
    setcolor(BLUE);
    outtextxy(pixTOrc(30),pixTOrc(26),"admin@syntaxexample.com");
    setcolor(YELLOW);
}


//Function which shows loading...progress barvoid loading(){
     //progressbar logicint i=1,j,cnt,clrflag=0;
       setcolor(BLACK);
       j=160;
       cnt=5;
       for(i=j;i<420;i++){
          gotoxy(35,25);
          cout<<cnt;
          rectangle(j,375,i,405);
          outtextxy(240,340,"LOADING ");
          if(i==(j+10)){
         j=j+13;
         i=j;
         if(clrflag==1){
           clrflag=0;
           setcolor(BLACK);
         }
         else{
           clrflag=1;
           setcolor(DARKGRAY);
         }
         cnt=cnt+5;
          }
       }
   delay(500);
}



//At Exit the end function will call...void end(){
    setfillstyle(LINE_FILL,DARKGRAY);
    setcolor(YELLOW);
    bar(pixTOrc(2),pixTOrc(10),pixTOrc(80),pixTOrc(55));
    settextstyle(SMALL_FONT,HORIZ_DIR,7);
    outtextxy(pixTOrc(5),pixTOrc(18),"Programmed by : Talented Programmer :))");
    setcolor(LIGHTGREEN);
    outtextxy(pixTOrc(5),pixTOrc(23),"Website : www.syntax-example.com");
    outtextxy(pixTOrc(5.25),pixTOrc(23),"Website : www.syntax-example.com");
    setcolor(LIGHTCYAN);
    outtextxy(pixTOrc(5),pixTOrc(28),"Email : admin@syntaxexample.com");
    outtextxy(pixTOrc(5.25),pixTOrc(28),"Email : admin@syntaxexample.com");
    setcolor(LIGHTMAGENTA);
    outtextxy(pixTOrc(5),pixTOrc(45),"Your Suggestion and comments are always welcome");
    delay(2000);
}



//Function Displaying Password Screen...//I have kept validation that password should not//be greater than 6 letters...u can change it...#define MAX_LETTER 6
int get_password()
{
    setfillstyle(SOLID_FILL,LIGHTGRAY);
    bar(0,0,640,480);
    settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);
    setcolor(BLUE);
    outtextxy(pixTOrc(8),pixTOrc(2),"         Validate User");
    setfillstyle(LINE_FILL,BROWN);
    bar(pixTOrc(8),pixTOrc(7),pixTOrc(70),pixTOrc(7.5));

    int i,j;
    setfillstyle(LINE_FILL,DARKGRAY);
    for(i=15,j=65;i<25||j>25;i++,j--){
        bar(pixTOrc(15),pixTOrc(15),pixTOrc(i),pixTOrc(40));
        delay(10);
        bar(pixTOrc(j),pixTOrc(15),pixTOrc(65),pixTOrc(40));
        sound(10+(i*250));
        delay(10);
        nosound();
    }
    int c=pixTOrc(40),a=-1;
    //You can also make use of storing file containing//password...and than encrypt and decrypt for more//secured use...//Another thing...u can make the scree graphics//according to ur taste, i am giving u the most//simple view 4 tasting password.char pass[20],correctpassword[20]="syntax";
    setcolor(YELLOW);
    settextstyle(TRIPLEX_FONT,HORIZ_DIR,3);
    outtextxy(pixTOrc(16),pixTOrc(17),"Enter password : ");
    setcolor(LIGHTCYAN);
    outtextxy(pixTOrc(16),pixTOrc(30),"Enjoy the Free version");
    outtextxy(pixTOrc(16),pixTOrc(33),"Password is  syntax");
    setcolor(WHITE);
    while (pass[a]!='\r')
    {
        pass[++a]=getche();
        if  (pass[a]=='\r' || a>=MAX_LETTER){
            pass[a]='\0';
            pass[++a]='\r';
            break;
        }
        c+=15;
        outtextxy(c,pixTOrc(17.5), "*");
     }

        if (strcmp(pass,correctpassword)==0){
            outtextxy(pixTOrc(20),pixTOrc(24),"Password Accepted");
            loading();
            return(0);
        }
        else{
            outtextxy(pixTOrc(20),pixTOrc(24),"Wrong Password!!!");
            setcolor(WHITE);
            getche();
            return (1);
        }
}





void main()
{
    int i,j;

    int gd=DETECT,gm=0;
    initgraph(&gd,&gm,"");


    int incorrect_pass=get_password();

    if(incorrect_pass){
        end();
        goto quit;
    }

    ///Code if password is correct\\\/* Must be written here  *///example
    setfillstyle(SOLID_FILL,BLACK);
    bar(pixTOrc(2),pixTOrc(10),pixTOrc(80),pixTOrc(55));
    settextstyle(SMALL_FONT,HORIZ_DIR,7);
    setcolor(YELLOW);
    outtextxy(pixTOrc(5),pixTOrc(18),"Password is Correct");
    outtextxy(pixTOrc(5.25),pixTOrc(18),"Password is Correct");
    outtextxy(pixTOrc(5),pixTOrc(25),"Programmed by : Talented Programmer");
    outtextxy(pixTOrc(5.25),pixTOrc(25),"Programmed by : Talented Programmer");
    setcolor(LIGHTGREEN);
    outtextxy(pixTOrc(5),pixTOrc(28),"Website : www.syntax-example.com");
    outtextxy(pixTOrc(5.25),pixTOrc(28),"Website : www.syntax-example.com");
    setcolor(LIGHTCYAN);
    outtextxy(pixTOrc(5),pixTOrc(31),"Email : admin@syntaxexample.com");
    outtextxy(pixTOrc(5.25),pixTOrc(31),"Email : admin@syntaxexample.com");
    getch();
    outtextxy(pixTOrc(5),pixTOrc(40),"Have a nice Day");
    outtextxy(pixTOrc(5.25),pixTOrc(40),"Have a nice Day");
    delay(4000);
    /////////////////////////////////

    end();
quit:
    closegraph();

}