🔷 Diamond Pattern Generator

This is a simple CLI Delphi program that draws different types of diamond shapes based on user input (as positive int).

1. Filled diamond using * characters.
2. Number-based symmetrical diamond.
3. Alphabet-based symmetrical diamond.
4. Unfilled (hollow) diamond using * characters.

---

Requirements

• Delphi compiler.

---

Running

1. Open the project in your Delphi IDE or compile it via CLI.
2. Then just run.
3. When prompted, enter a positive integer to define the size of the diamond.

---

🧾 Sample Input and Output

Input:

Please enter the size of the diamond shape (Enter -1 to stop): 3

Output:

Filled Diamond with *:
  *
 ***
*****
 ***
  *

Diamond with Numbers:
  1
 121
12321
 121
  1

Diamond with Letters:
  A
 ABA
ABCBA
 ABA
  A

Unfilled Diamond with *:
  *
 * *
*   *
 * *
  *