private void DrawField(Game game)
{
int rows = game.Rows;
int columns = game.Columns;
int width = (int)Math.Round((double)pictureBox1.Width / columns);
int height = (int)Math.Round((double)pictureBox1.Height / rows);
var aliveBrush = new SolidBrush(Color.Green);
var deadBrush = new SolidBrush(Color.Black);
var bitmap = new Bitmap(pictureBox1.Image);
var bitmapGraphics = Graphics.FromImage(bitmap);
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < columns; j++)
{
if (game.HasCellChangedState(i, j))
{
bitmapGraphics.FillRectangle(
game.GetCellState(i, j) == CellState.Alive ? aliveBrush : deadBrush,
j * width,
i * height,
width,
height);
}
}
}
pictureBox1.Image = bitmap;
aliveBrush.Dispose();
deadBrush.Dispose();
bitmapGraphics.Dispose();
}