# Points -> (-1, 7) to (5, 9)

Bresenham (-1, 7, 5, 9)

{

dx = abs (-1 - 5) = 6

dy = abs (7 - 9) = 2

m = (float) (9 - 7) / (5 - ( - 1)) = 0.33

if (6 >2) then

{

p = 2 * 2 - 6 = -2

twody = 2 * 2 = 4

twodydx = 2 * (2 - 6) = -8

if (-1 > 5) false

else

x = xa = -1

y = ya = 7

xend = xb = 5

putpixel (-1, 7, 3)

while (-1 < 5)

{

x = 0 // x++;

if (-2 < 0) then

p = -2 + 4 // p = p + twody

putpixel (0, 7, 1)

}

while (0 < 5)

{

x = 1 // x++;

if (2 < 0) false

else

if (0 < 0.33 && 0.33 < 1) then

y = 8 // y++;

p = 2 + (-8) = -6 // p = p + twodydx

}

putpixel (1, 8, 2)

}

while (1 < 5)

{

x = 2 // x++;

if (-6 < 0) then

p = -6 + 4 = -2 // p = p + twody

putpixel (2, 8, 4)

}

while (2 < 5)

{

x = 3 // x++;

if (-2 < 0) then

p = -2 + 4 = 2 // p = p + twody

putpixel (3, 8, 1)

}

while (3 < 5)

{

x = 4 // x++;

if (2 < 0) false

else

{

if (0 < 0.33 && 0.33 < 1) then

y = 9 // y++;

p = 2 + (-8) = -6 // p = p + twodydx

}

putpixel (4, 9, 1)

}

while (4 < 5)

{

x = 5 // x++;

if (-6 < 0) then

p = -6 + 4 = -2 // p = p + twody

putpixel (5, 9, 1)

# Putpixel

Number System In Java