private void SmoothRotate(BackgroundWorker worker, DoWorkEventArgs e)
{
var angle = int.Parse(AngleTextBox.Text);
var centerX = (_square.BottomLeft.X + _square.UpperRight.X) / 2;
var centerY = (_square.BottomLeft.Y + _square.UpperRight.Y) / 2;
var centerPoint = new PointF(centerX, centerY);
var resultSquare = new Square();
_squares.Add(_square);
for (float i = 1; i <= angle; ++i)
{
if (worker.CancellationPending)
{
e.Cancel = true;
break;
}
resultSquare = SquareRotator.Rotate(_square, centerPoint, (int)i);
_squares.Add(resultSquare);
PictureBox.Image = SquarePainter.Paint(_squares, _pen, PictureBox.Width, PictureBox.Height);
_squares.RemoveAt(_squares.Count - 1);
worker.ReportProgress((int)(i / angle * 100));
Thread.Sleep(Convert.ToInt32(e.Argument));
}
_squares.Add(resultSquare);
_square = resultSquare;
}
private void PaintSquare()
{
if (UpperLeftCornerXTextBox.Text.Length == 0)
{
UpperLeftCornerXTextBox.Text = "0";
}
if (UpperLeftCornerYTextBox.Text.Length == 0)
{
UpperLeftCornerYTextBox.Text = "0";
}
if (SideTextBox.Text.Length == 0)
{
SideTextBox.Text = "0";
}
RotateButton.Enabled = true;
_squares.Add(_square);
_image = SquarePainter.Paint(_squares, _pen, PictureBox.Width, PictureBox.Height);
_squares.RemoveAt(_squares.Count - 1);
PictureBox.Image = _image;
}