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Displaying Source Code(s)
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Blinking Lights Graphics In CPP
--------------------------------------------------------------------------------
Description : Its a square grid in C graphics mode and the
squares blink randomly across the grid. I have given it the
works... rate control, no. of blinks per second, n it has an
amazing front and back end, worth a look! Its actually for a BE
proj for a friend of mine where a S/W for sensing eye resolution
was needed. There are three files:- Two header files for front
and back end and the main file.
/* intro.h */
# include <graphics.h>
# include <conio.h>
# include <dos.h>
# include <stdlib.h>
void intro()
{
clrscr();
int gd=DETECT,gm,i=0;
detectgraph(&gd,&gm);
initgraph(&gd,&gm,"c:\tc\bgi");
rectangle(0,5,630,400);
rectangle(10,15,620,390);
settextstyle(1,0,3);
outtextxy(130,60,"SOME EYE PERCEPTION THINGY");
settextstyle(1,0,4);
outtextxy(273,120,"BY");
settextstyle(1,0,3);
outtextxy(42,178," EYE RESOLUTION SENSOR SOFTWARE (blinky)");
settextstyle(1,0,1);
outtextxy(245,238,"DESIGNER");
outtextxy(35,280,"JATIN RAJPAL ");
//outtextxy(35,310," ");
while(!kbhit())
{
setcolor(i);
settextstyle(2,0,0);
outtextxy(32,170,"* * * * * * * * * * * * * * * * * * * * * * *
* * *
*
* * * * * * * * * * * * * * * * * * * *");
outtextxy(32,178,"*
*");
outtextxy(32,186,"*
*");
outtextxy(32,196,"*
*");
outtextxy(32,205,"* * * * * * * * * * * * * * * * * * * * * * *
* * * *
*
* * * * * * * * * * * * * * * * * * *");
setfillstyle(XHATCH_FILL,i++);
delay(200);
floodfill(2,9,15);
if(i>=15)
i=0;
}
getch();
cleardevice();
closegraph();
}
/*******************END OF
INTRO.H********************************/
/* main file: blinky.h*/
# include <iostream.h>
# include <conio.h>
# include <graphics.h>
# include <dos.h>
# include <time.h>
# include <stdlib.h>
# include <intro.h>
# include <backend.h>
int poly[8],toggle=1,z;
void blink(int fuzzy[],int size,int lazy,int paint)
{
for(int i=0;i<size;i++)
{
randomize();
z=random(5); // random
if(!z) z=1;
poly[0]=fuzzy[i];
poly[1]=z*fuzzy[i+1];
poly[2]=0+fuzzy[i];
poly[3]=30+z*fuzzy[i+1];
poly[4]=30+fuzzy[i];
poly[5]=30+z*fuzzy[i+1];
poly[6]=30+fuzzy[i];
poly[7]=0+z*fuzzy[i+1];
if(paint==1)
paint=z;
setfillstyle(1,paint);
fillpoly(4,poly);
delay(lazy);
setfillstyle(1,0);
fillpoly(4,poly);
}
}
int roundoff(int x)
{
int temp=0;
if(x%30!=0)
{
if(x<30)
return 30;
else
{
temp=x%30;
return(30*temp);
}
}
else return x;
}
void main()
{
int gd,gm;
detectgraph(&gd,&gm);
initgraph(&gd,&gm,"");
intro();
int ch,lazy,paint,size;
flag:
cout<<"
CONTROL PANEL";
cout<<"
1.Change blink rate";
cout<<"
2.Change blink color";
cout<<"
3.Specify no. of blinks per second";
cout<<"
4.Use default settings and exit";
cout<<"
5.Exit simulator";
cout<<"
Enter your choice--->";
cin>>ch;
switch(ch)
{
case 1:
cout<<"
choose type of blink rate: very slow/slow/fast/very
fast(enter
1/2/3/4)--->";
cin>>ch;
if(ch==1)
lazy=1000;
if(ch==2)
lazy=600;
if(ch==3)
lazy=100;
if(ch==4)
lazy=10;
break;
case 2:
cout<<"
blink color: random or fixed color ?(enter 1/2)--->";
cin>>paint;
break;
case 3:
cout<<"roughly estimate the no. of blinks per second(multiples
of
ten,max
50)--->";
cin>>size;
break;
case 4:
lazy=100;
paint=15;
size=20;
break;
case 5:
backend();
exit(0);
}
initgraph(&gd,&gm,"");
for(int i=0;i<630;i+=30)
{
for(int j=0;j<470;j+=30)
{ delay(10);
rectangle(i,j,i+30,j+30);
}
}
int fuzzy[50],dummy=0;
while(!kbhit())
{
randomize();
for(i=0;i<size;i++)
{
dummy=random(480);
fuzzy[i]=roundoff(dummy);
}
dummy=random(480);
fuzzy[i+1]=roundoff(dummy);
blink(fuzzy,size,lazy,paint);
}
closegraph();
goto flag;
getch();
}
/**************************END OF
BLINKY.H*************************/
/* back end: BACKEND.H*/
# include <graphics.h>
# include <conio.h>
# include <dos.h>
void backend()
{
int gd=DETECT,gm;
detectgraph(&gd,&gm);
initgraph(&gd,&gm,"c:\tc\bgi");
rectangle(0,5,630,400);
rectangle(12,15,618,390);
settextstyle(1,0,5);
outtextxy(180,60,"THANK YOU");
settextstyle(1,0,3);
outtextxy(160,128,"HOPE U LIKED IT !");
settextstyle(1,0,1);
outtextxy(220,250,"HAVE A NICE DAY !");
int i=0;
while(!kbhit())
{
delay(200);
setfillstyle(XHATCH_FILL,i++);
floodfill(2,9,15);
if(i>=15)
i=0;
}
getch();
closegraph();
}
/******************END OF BACKEND.H****************************/
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123
Eng