Digital differential analyzer (graphics algorithm): Difference between revisions

Revision as of 16:24, 9 April 2018

Revision as of 18:05, 10 April 2018

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== Program ==

DDA algorithm Program in C++:<syntaxhighlight lang="c++" line="1">

#include<graphics.h>

<syntaxhighlight lang="c++" line="1">

#include<iostream.h>

#include <mathgraphics.h>

#include<dos.h>

#include <conioiostream.h>

#include <graphicsmath.h>

#void main( )

#include <iostreamdos.h>

#include <dosconio.h>

#void main( )

{

float x, y, x1, y1, x2, y2, dx, dy, step;

int i, gd = DETECT, gm;

initgraph(&gd, &gm, "C:\\TURBOC3\\BGI");

cout << "Enter the value of x1 and y1  : ";

cin>>x1>>y1;

cin >> x1 >> y1;
cout << "Enter the value of x2 and y2: ";

cin >> x2 >> y2;

dx=abs(x2-x1);

dy dx = abs(y2x2 -y1 x1);

dy = abs(y2 - y1);

if(dx >= dy)

step = dx;

else

step=dy;

dx=dx/ step = dy;

dy dx =dy dx / step;

dy = dy / step;

x=x1;

y x =y1 x1;

i y =1 y1;

i = 1;

while(i <= step) {

{

putpixel(x, y, 5);

x = x + dx;

y = y + dy;

i = i + 1;

delay(100);

}

getch();

closegraph();

}

</syntaxhighlight>

== See also ==