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Title Analog Clock
Author Jagdeep Kumar
Author Email kumarjagdeep [at] gmail.com
Description
Category C » Beginners / Lab Assignments
Hits 374802
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Code : # include <graphics.h> # include <dos.h> # include <stdio.h> # include <conio.h> # include <math.h> # include <process.h> void frame(); void star_in(int, int, int, int, int, float, float); void line_at_angle(int, float, int); void beep(int, int); void clear (int, int, int, int, int); void main() { int gdriver=DETECT,gmode,errorcode; initgraph(&gdriver,&gmode,"c:\tc\bgi"); errorcode=graphresult(); if(errorcode!=grOk) { printf(" Graphics error %s",grapherrormsg(errorcode)); printf(" press any key to halt. "); exit(1); } struct time t; gettime(&t); int key,k=0; int midx,midy; float hour; 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; float ang_sec=t.ti_sec*6; float ang_min=(t.ti_min*6)+(ang_sec/60); float ang_hour=(hour*30)+(ang_min/12); setcolor(4); setfillstyle(1,9); 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); // fillellipse(midx,midy,2,2); star_in(midx, midy+1, 6, 2, 4, 0, 0); char tim[5]; struct time t; int t_sec,t_min; int 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; 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(int 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,midy+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; if(i%3==0) { // fillellipse(midx+x,midy+y,6,6); setcolor(10); star_in(midx+x, midy+y, 12, 6, 5, 18, 0); setcolor(14); star_in(midx+x, midy+y, 6, 3, 5, 18, 0); } else // fillellipse(midx+x,midy+y,4,4); star_in(midx+x, midy+y, 8, 3, 5, 18, 0); angle+=30; } } void line_at_angle(int radius, float angle, int flag) { float x,y,x1,y1,x2,y2,x3,y3; int midx,midy; 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); int poly1[10]={midx,midy,midx+x2,midy+y2,midx+x,midy+y,midx+x3,midy+y3,midx,mi dy}; 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); int poly1[10]={midx,midy,midx+x2,midy+y2,midx+x,midy+y,midx+x3,midy+y3,midx,mi dy}; 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 star_in(int x, int y, int r1, int r2, int points, float angle_intial1, float offset) { float angle, theta; int number = 0; float xi1, yi1, xf1, yf1, xc1, yc1; float xi2, yi2, xf2, yf2, xc2, yc2; float angle_intial2; float xt,yt; theta = 360 / points; angle_intial2 = angle_intial1 + (theta / 2) + offset; angle_intial1 = (angle_intial1 * M_PI) / 180; angle_intial2 = (angle_intial2 * M_PI) / 180; angle = theta; xc1 = x + (r1 * cos(angle_intial1)), yc1 = y - (r1 * sin(angle_intial1)); xc2 = x + (r2 * cos(angle_intial2)), yc2 = y - (r2 * sin(angle_intial2)); xi1 = xc1, yi1 = yc1; xi2 = xc2, yi2 = yc2; xt = xc1; yt = yc1; while(number <= points + 1) { angle = (angle * M_PI) / 180; xc1 = xc1 - x; yc1 = yc1 - y; xc2 = xc2 - x; yc2 = yc2 - y; xf1 = ( xc1 * cos(angle) ) - ( yc1 * sin( angle ) ); yf1 = ( xc1 * sin(angle) ) + ( yc1 * cos( angle ) ); xf2 = ( xc2 * cos(angle) ) - ( yc2 * sin( angle ) ); yf2 = ( xc2 * sin(angle) ) + ( yc2 * cos( angle ) ); xc1 = xc1 + x; yc1 = yc1 + y; xc2 = xc2 + x; yc2 = yc2 + y; xf1 = xf1 + x; yf1 = yf1 + y; xf2 = xf2 + x; yf2 = yf2 + y; if(number != points + 1) line(xi1, yi1, xi2, yi2); line(xt, yt, xi2, yi2); xt = xi1; yt = yi1; xi1 = xf1, yi1 = yf1; xi2 = xf2, yi2 = yf2; number++; angle = theta * number; } } void clear(int x1, int y1, int x2, int y2, 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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