toys/text-manipulation/diamonds/solid-diamond.cpp

// ==================================================
// Programmer:  Jonathan Landrum
// Date:        4 February 2012
// ==================================================
// Program:     solid-diamond.cpp
// Purpose:     Takes user input of one integer and
//              returns a diamond of that size.
// Assumptions: 1.) Input should be an odd integer:
//                  - Real input is rounded down.
//                  - Even input is incremented up.
// ==================================================

#include <iostream>
#include <string>

using namespace std;

// --------------------------------------------------
// main():
// Does ALL the things!
// --------------------------------------------------
int main () {
	
	// ------------------------------------------
	// Declare variables, not war
	// ------------------------------------------
	int input;
	int spaces;
	int counter;
	
	// ------------------------------------------
	// Introduce the program
	// ------------------------------------------
	cout << endl;
	cout << "---------------------------" << endl;
	cout << "-      Solid Diamond      -" << endl;
	cout << "---------------------------" << endl;
	cout << endl;
	cout << "             *" << endl;
	cout << "            ***" << endl;
	cout << "           *****" << endl;
	cout << "          *******" << endl;
	cout << "         *********" << endl;
	cout << "          *******" << endl;
	cout << "           *****" << endl;
	cout << "            ***" << endl;
	cout << "             *" << endl;
	cout << endl;
	cout << "This program asks for an" << endl;
	cout << "integer, and returns a" << endl;
	cout << "diamond of that size." << endl;
	cout << endl;
	
	// ------------------------------------------
	// Main processing loop
	// ------------------------------------------
	cout << "Enter a number for the size of your diamond: ";
	cin  >> input;
	
	if (input % 2 == 0)
		input++;
	counter = 1;
	
	while (counter < input) {
		spaces = (input - counter) / 2;
		for (int c = 0; c < spaces; c++) {
			cout << " ";
		} // End for
		for (int i = 0; i < counter; i++) {
			cout << "*";
		} // End for
		cout << endl;
		counter += 2;
	} // End while
	while (counter > 0) {
		spaces = (input - counter) / 2;
		for (int j = 0; j < spaces; j++) {
			cout << " ";
		} // End for
		for (int n = 0; n < counter; n++) {
			cout << "*";
		} // End for
		cout << endl;
		counter -= 2;
	}
	
	return (0);
} // End main