private void DrawRectangles(Rectangle?[,] rectangles, Graphics g)
{
int w = Controller.TileSize.Width;
int h = Controller.TileSize.Height;
for (int y = 0; y < rectangles.GetLength(1); y++)
{
for (int x = 0; x < rectangles.GetLength(0); x++)
{
var dest = new Rectangle(x * w, y * h, w, h);
var src = rectangles[x, y];
if (src != null) g.DrawImage(_image, dest, (Rectangle)src, GraphicsUnit.Pixel);
}
}
}
