Write a (nonrecursive) function
void showH(void)
that prints the
moveto and rlineto (or lineto)
commands needed to draw only one large H.
Write your main function so that it prints out the PostScript
header information, then calls showH, then prints
out the final showpage command.
This will give you confidence
that your program is producing valid PostScript.
As a second step, expand your showH function so
that it now takes three
arguments x, y, and size of
type float.
Write your function so that it draws an H,
centered at PostScript coordinate (x,y), and with each
of the 3 line segments having length size.
You will probably want to use exactly this showH
function in your final program.
Write a recursive function recurse that
takes one input integer n, prints the value n,
and then calls itself four times with the value n-1.
The recursion should stop when n becomes negative.
To test this function out,
write your main function so that it reads one integer
D from stdin and calls this recursive function with
that value.
You should get the
following results.
Make sure you understand how this function works, and why itp
prints the numbers in the order it does.
As second step, modify your recurse function so
that instead of printing n, it prints the size
of the H to be plotted. The first call to recurse (from main)
will plot the big H; each line segment of the big H has
length 256.0, so print 256.0. Each succesive level of recursion
will halve the length. So, make your function produce the
following results.