The project aims at developing an analog and digital clock using the C language that displays an analog and as well as a digital clock.
Features of clock using C
- Graphical clock for better visual appearance
- Beep sound with dedicated time interval
- Dedicated function for dedicated work like beep, draw line and frame.
The code of Analog and digital clocks is written in TurboC++ environment and may not be supported by other various compilers like DEV C, codeBlock, etc.
The source code of the application Analog and Digital clock using C is given below:
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/***** Application: Analog and Digital Clock Coded By: Krishna Keshab Chaudhary Copyrite at: BESTENGINEERINGPROJECTS.COM *****/ # include <graphics.h> # include <dos.h> # include <stdio.h> # include <conio.h> # include <math.h> # include <process.h> void frame(); void draw_Numbers(int, int,int); void line_at_angle(int, float, int); void beep(int, int, int, int, int); void main() { int gdriver=DETECT,gmode,errorcode; struct time t,i; int key, k=0, x,y,t_sec,t_min,midx,midy; char tim[5]; float hour,ang_sec,ang_min,ang_hour; initgraph(&gdriver,&gmode,"c:\\tc\\bgi"); if(errorcode!=grOk) { printf("Graphics error %s",grapherrormsg(errorcode)); printf("press any key to halt."); exit(1); } gettime(&t); midx=getmaxx()/2; midy=getmaxy()/2; frame(); while(1) { if(kbhit()) { key=getch(); if(key==27) break; } gettime(&t); if(t.ti_hour>=12) hour=t.ti_hour-12 else hour=t.ti_hour; ang_sec=t.ti_sec*6; ang_min=(t.ti_min*6)+(ang_sec/60); ang_hour=(hour*30)+(ang_min/12); setcolor(4); setfillstyle(1,9); circle(midx,midy,6); line_at_angle(150,ang_min,2); /*min*/ setcolor(12); setfillstyle(1,4); line_at_angle(130,ang_hour,3); /*hour*/ setcolor(14); line_at_angle(170,ang_sec,1); /*sec*/ line_at_angle(20,180+ang_sec,1); /*sec*/ setfillstyle(1,4); setcolor(13); x=520,y=460; gettime(&t); if(t.ti_hour>12) { outtextxy(x+80,y,"PM"); sprintf(tim,"%d",t.ti_hour-12); } else { outtextxy(x+80,y,"AM"); sprintf(tim,"%d",t.ti_hour); } outtextxy(x,y,tim); outtextxy(x+16,y,":"); outtextxy(x+42,y,":"); sprintf(tim,"%d",t.ti_min); outtextxy(x+26,y,tim); sprintf(tim,"%d",t.ti_sec); outtextxy(x+50,y,tim); k++; if(k==10) { k=0; beep(100,50); } else delay(100); t_sec = t.ti_sec; t_min = t.ti_min; clear(x+50,y,x+70,y+8,0); if(t_sec >= 59) clear(x+26,y,x+46,y+8,0); if(t_min >= 59) clear(x,y,x+20,y+8,0); setcolor(0); setfillstyle(1,0); line_at_angle(130,ang_hour-6,1); line_at_angle(150,ang_min-4,1); line_at_angle(170,ang_sec,1); line_at_angle(20,180+ang_sec,1); ang_sec++; } closegraph(); } void frame() { int midx,midy,i; float angle=0; float x,y; midx=getmaxx()/2; midy=getmaxy()/2; setlinestyle(1,1,3); setcolor(2); circle(midx,midy,223); setcolor(15); circle(midx,midy,220); setcolor(12); circle(midx,midy,217); setlinestyle(1,1,3); setfillstyle(1,2); setcolor(4); for(i=0;i<=60;i++) { x=cos((angle/180)*M_PI)*190; y=sin((angle/180)*m_PI)*190; if((int)angle%30!=0) circle(midx+x,mid+y,2); angle+=6; } angle=0; setfillstyle(1,4); setlinestyle(0,1,2); for(i=0;i<12;i++) { setcolor(13); x=cos((angle/180)*M_PI)*190; y=sin((angle/180)*m_PI)*190; setcolor(10); draw_Numbers(midx+x, midy+y,i); angle+=30; } } void line_at_angle(int radius, float angle, int flag) { float x,y,x1,y1,x2,y2,x3,y3; int midx,midy; int poly1[10]; angle-=90; midx=getmaxx()/2; midy=getmaxy()/2; x=cos((angle/180)*M_PI)*radius; y=sin((angle/180)*m_PI)*radius; setlinestyle(0,1,3); if(flag==1) line(midx,midy,midx+x,midy+y); if(flag==2) { setlinestyle(0,1,1); x2=cos(((angle+3)/180)*M_PI)*(radius-25); y2=sin(((angle+3)/180)*m_PI)*(radius-25); x3=cos(((angle-3)/180)*M_PI)*(radius-25); y3=sin(((angle-3)/180)*m_PI)*(radius-25); poly1[0]=midx; poly1[1]=midy; poly1[2]=midx+x2; poly1[3]=midy+y2; poly1[4]=midx+x; poly1[5]=midy+y; poly1[6]=midx+x3; poly1[7]=midy+y3; poly1[8]=midx; poly1[9]=midy; fillpoly(5,poly1); setcolor(0); x2=cos(((angle)/180)*M_PI)*(radius+1); y2=sin(((angle)/180)*m_PI)*(radius+1); x3=cos(((angle-4)/180)*M_PI)*(radius-25); y3=sin(((angle-4)/180)*m_PI)*(radius-25); line(midx+x2,midy+y2,midx+x3,midy+y3); line(midx+x,midy+y,midx+x3,midy+y3); } else if(flag==3) { setlinestyle(0,1,1); x2=cos(((angle+5)/180)*M_PI)*(radius-30); y2=sin(((angle+5)/180)*m_PI)*(radius-30); x3=cos(((angle-5)/180)*M_PI)*(radius-30); y3=sin(((angle-5)/180)*m_PI)*(radius-30); poly1[0]=midx; poly1[1]=midy; poly1[2]=midx+x2; poly1[3]=midy+y2; poly1[4]=midx+x; poly1[5]=midy+y; poly1[6]=midx+x3; poly1[7]=midy+y3; poly1[8]=midx; poly1[9]=midy; fillpoly(5,poly1); setcolor(0); x2=cos(((angle)/180)*M_PI)*(radius+1); y2=sin(((angle)/180)*m_PI)*(radius+1); x3=cos(((angle-6)/180)*M_PI)*(radius-30); y3=sin(((angle-6)/180)*m_PI)*(radius-30); line(midx+x2,midy+y2,midx+x3,midy+y3); line(midx+x,midy+y,midx+x3,midy+y3); } } void beep(int fre,int wait) { sound(fre); delay(wait); nosound(); } void draw_Numbers(intx, int y, int position) { char stpos[5]=""; position+=3; if(position>12) position=position%12; itoa(position,stpos,10); outtextxy(x,y,stpos); } void clear(int x1, int y1, intx2, inty2, int col) { int x,y; for(x=x1;x<=x2;x++) for(y=y1;y<=y2;y++) putpixel(x,y,col); } |
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