SlidingPuzzleImageCrop.cs

using System.Drawing;

Console.WriteLine("Sliding Puzzle Image Crop");
if (!OperatingSystem.IsWindows())
{
	Console.WriteLine("This app is only supported on Windows OS.");
	return;
}
#pragma warning disable CA1416
int width;
Console.Write("How many tiles wide? ");
while (!int.TryParse((Console.ReadLine() ?? "").Trim(), out width) || width <= 0)
{
	Console.WriteLine("Invalid input. Try again...");
	Console.Write("How many tiles wide? ");
}
int height;
Console.Write("How many tiles tall? ");
while (!int.TryParse((Console.ReadLine() ?? "").Trim(), out height) || height <= 0)
{
	Console.WriteLine("Invalid input. Try again...");
	Console.Write("How many tiles tall? ");
}
Image? image = null;
Console.Write("What is the file path of the image? ");
string path = (Console.ReadLine() ?? "").Trim();
try { image = Image.FromFile(path); }
catch { /* intentionally blank */ }
while (image is null)
{
	Console.WriteLine("Invalid input. Try again...");
	Console.Write("What is the file path of the image? ");
	path = (Console.ReadLine() ?? "").Trim();
	try { image = Image.FromFile(path); }
	catch { /* intentionally blank */ }
}
int tileWidth = image.Width / width;
int tileHeight = image.Height / height;
Bitmap bitmap = new(image);
Bitmap[,] tiles = new Bitmap[width, height];
string directory = Path.GetDirectoryName(path) ?? "";
string extension = Path.GetExtension(path) ?? "";
string fileName = Path.GetFileNameWithoutExtension(path) ?? "";
for (int i = 0; i < width; i++)
{
	for (int j = 0; j < height; j++)
	{
		Rectangle rectangle = new(i * tileWidth, j * tileHeight, tileWidth, tileHeight);
		tiles[i, j] = bitmap.Clone(rectangle, bitmap.PixelFormat);
		string tilePath = $"{directory}{Path.DirectorySeparatorChar}{fileName}_{i}_{j}{extension}";
		tiles[i, j].Save(tilePath);
		Console.WriteLine($"{tilePath} saved...");
	}
}
Console.Write("Image Cropping Complete. :)");