#include”stdio.h”
Source code | programming
#include<stdio.h>
#include<conio.h>
#include<graphics.h>
void main()
{
int gd=DETECT,gm,x,y,x1,x2,x3,y1,y2,y3,p,i;
clrscr();
initgraph(&gd,&gm,"quot;"quot;);
gotoxy(12,2);
printf("quot;Line Breshams algorithm\n"quot;);
gotoxy(12,3);
printf("quot;----------------------------------------"quot;);
printf("quot;\nenter the left co ordinates\n"quot;);
printf("quot;x1="quot;);
scanf("quot;%d"quot;,&x1);
printf("quot;\ny1= "quot;);
scanf("quot;%d"quot;,&y1);
printf("quot;Enter the right co ordinates\n"quot;);
printf("quot;x2= "quot;);
scanf("quot;%d"quot;,&x2);
printf("quot;\ny2= "quot;);
scanf("quot;%d"quot;,&y2);
if(x1>x2)
{
x=x2;
y=y2;
x3=x1-x2;
y3=y1-y2;
}
else
{
x=x1;
y=y1;
x3=x2-x1;
y3=y2-y1;
}
p=2*y3-x3;
cleardevice();
putpixel(x,y,1);
for(i=0;i<=x3;i++)
{
if(p<0)
{
x++;
p=p+2+y3;
}
else
{
x++;
y++;
p=p+2*(y3-x3);
}
putpixel(x,y,1);
}
getch();
gotoxy(12,2);
printf("quot;\nACTUAL LINE"quot;);
gotoxy(12,3);
printf("quot;\n--------------------------------------"quot;);
getch();
}
OUTPUT
Line Bresehams Algorithm
Enter the left co-ordinates
X1 = 100
Y1 = 100
Enter the right co-ordinates
X2 =200
Y2=200
ACTUAL LINE
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