cgp3.cpp

#include<conio.h>
#include<stdio.h>
#include<graphics.h>

int main(){
	int gd = DETECT ,gm ,i ;
	float x,y,dx,dy,steps;
	int x0,x1,y0,y1 ;
	initgraph(&gd, &gm, "c\\tc\\bgi");
	setcolor(WHITE);
	x0 = 100,y0 =200, x1 = 500, y1 = 300 ;
	dx = (float)(x1-x0);
	dy = (float)(y1-y0);
	
	if(dx>=dy){
		steps = dx ;
	}
	else{
		steps = dy ;
	}
	
	dx = dx/steps ;
	dy = dy/steps;
	x = x0;
	y = y0 ;
	i = 1;
	while(i<=steps){
		putpixel(x,y,RED);
		x += dx ;
		y += dy ;
		i = i+1;	
	}
	
	getch ();
	closegraph();
}