Simple Calendar in C/C++

Simple Calendar in C\C++ : The following is a simple calendar created using BGI graphics library of Turbo C/C++ 3.0 :

While running this program , make sure you have used correct path for BGI graphics driver . Example : if Turbo C/C++ is installed at "C:\TC" , BGI graphics path would be "C:\\TC\\BGI" :

Screenshot :

 

C++ Code :

#include<stdio.h>

#include<conio.h>

#include<graphics.h>

#include<process.h>

#include<stdlib.h>

#include<string.h>

#include<ctype.h>

#include<dos.h>

int gm,gd,scan,ascii;

void main()

{

initgraph(&gm,&gd,"F:\\TC\\BGI");

union REGS ii,oo;

char masum[20],*month[]={"JANUARY","FEBRUARY","MARCH","APRIL","MAY","JUNE","JULY","AUGUST","SEPTEMBER","OCTOBER","NOVEMBER","DECEMBER"};

int days[]={31,28,31,30,31,30,31,31,30,31,30,31};

int m,y,leapyears,row,col,x,i,firstday,thisyrdays;

long int totaldays;

char str1[5],str2[3];

setcolor(3);

outtextxy(25,75,"Which month do you want to see?");

setcolor(6);

settextstyle(0,0,2);

outtextxy(210,35,"WELCOME TO...");

setcolor(10);

settextstyle(7,0,6);

outtextxy(10,195,"MY");

setcolor(12);

settextstyle(10,0,3);

outtextxy(50,245,"DISPLAY CALENDER SERVICE");

setcolor(11);

settextstyle(7,0,5);

outtextxy(420,295,"PROGRAM");

setcolor(8);

settextstyle(0,0,2);

outtextxy(10,360,"CREATED BY...");

setcolor(9);

settextstyle(0,0,4);

outtextxy(10,400,"MD. MOHIUDDIN AHMED");

setcolor(11);

settextstyle(0,0,1);

rectangle(0,0,getmaxx(),getmaxy());

rectangle(3,3,getmaxx()-3,getmaxy()-3);

line(3,getmaxy()-30,getmaxx()-3,getmaxy()-30);

line(3,getmaxy()-33,getmaxx()-3,getmaxy()-33);

setfillstyle(9,8);

bar(30,100,400,180);

bar(183,getmaxy()-6,425,getmaxy()-21);

setfillstyle(1,3);

bar(20,90,390,170);

bar(180,getmaxy()-9,420,getmaxy()-24);

setcolor(0);

outtextxy(195,getmaxy()-20,"My Display Calender Service");

MM:

setcolor(0);

outtextxy(30,100,"Enter Month(1-12):");

gotoxy(24,7);

scanf("%d",&m);

if(m<1||m>12)

{

setviewport(180,96,370,111,1);

clearviewport();

setviewport(0,0,getmaxx(),getmaxy(),1);

goto MM;

}

outtextxy(30,132,"Enter Year:");

gotoxy(18,9);

scanf("%d",&y);

setcolor(11);

while(1)

{

cleardevice();

setcolor(3);

rectangle(0,0,getmaxx(),getmaxy());

rectangle(3,3,getmaxx()-3,getmaxy()-3);

line(3,getmaxy()-30,getmaxx()-3,getmaxy()-30);

line(3,getmaxy()-33,getmaxx()-3,getmaxy()-33);

setfillstyle(9,8);

bar(183,getmaxy()-6,425,getmaxy()-21);

setfillstyle(1,3);

bar(180,getmaxy()-9,420,getmaxy()-24);

setcolor(0);

settextstyle(0,0,1);

outtextxy(195,getmaxy()-20,"My Display Calender Service");

setcolor(11);

thisyrdays=0;

leapyears=(y-1)/4-(y-1)/100+(y-1)/400;

if(y%400==0||y%100!=0&&y%4==0)

days[1]=29;

else

days[1]=28;

totaldays=leapyears+(y-1)*365L;

for(i=0;i<=m-2;i++)

thisyrdays=thisyrdays=thisyrdays+days[i];

firstday=(int)((totaldays+thisyrdays)%7);

settextstyle(10,0,4);

setcolor(12);

sprintf(masum,"%s",month[m-1]);

outtextxy(75,30,masum);

itoa(y,str1,10);

outtextxy(400,30,str1);

setcolor(9);

settextstyle(0,0,3);

outtextxy(20,113,"Mon");

outtextxy(20,143,"Tue");

outtextxy(20,173,"Wed");

outtextxy(20,203,"Thu");

outtextxy(20,233,"Fri");

outtextxy(20,263,"Sat");

outtextxy(20,293,"Sun");

setcolor(3);

settextstyle(0,0,2);

col=120+firstday*30;

row=150;

for(x=1;x<=days[m-1];x++)

{

itoa(x,str2,10);

outtextxy(row,col,str2);

col=col+30;

if(y==1752&&m==9&&x==2)

x=13;

if(col>300)

{

row=row+100;

col=120;

}

if(row>550&&col==120)

row=150;

}

settextstyle(5,0,1);

outtextxy(138,5,"Change month and year using arrow keys");

settextstyle(0,0,1);

outtextxy(3,330,"---------------------------------------------------------------------------------------------------");

settextstyle(2,0,4);

outtextxy(5,332,"---------------------------------------------------------------------------------------------------------");

setcolor(11);

settextstyle(0,0,1);

outtextxy(20,350,"Press Up arrow for the next year.");

outtextxy(20,370,"Press Dn arrow for the previous year.");

outtextxy(20,390,"Press Rt arrow for the next month.");

outtextxy(20,410,"Press Lt arrow for the previous month.");

outtextxy(20,430,"Press Esc to exit.....");

settextstyle(0,0,2);

while(!kbhit());

ii.h.ah=0;

int86(22,&ii,&oo);

scan=oo.h.ah;

ascii=oo.h.al;

switch(scan)

{

 case 77:

 if(m==12)

 {

 y=y+1;

 m=1;

 }

 else

 m=m+1;

 break;

 case 75:

 if(m==1)

 {

 y=y-1;

 m=12;

 if(y<=0)

 y=1;

 }

 else

 m=m-1;

 break;

 case 72:

 y++;

 break;

 case 80:

 y--;

 if(y<=0)

 y=1;

 break;

 case 1:

 cleardevice();

 goto MMM;

}

}

MMM:

closegraph();

restorecrtmode();

}