public void DrawClippingWindow(IClippingWindow window, System.Drawing.Graphics g)
{
RectangularClippingWindow rectWindow = window as RectangularClippingWindow;
if (rectWindow != null)
{
g.DrawRectangle(new System.Drawing.Pen(System.Drawing.Brushes.Blue, 1),
rectWindow.TopLeft.X, rectWindow.TopLeft.Y,
rectWindow.TopRight.X - rectWindow.TopLeft.X,
rectWindow.BottomLeft.Y - rectWindow.TopLeft.Y);
}
}
public void ShowPoints(List <Point> points, IClippingWindow window)
{
_bitmap = new System.Drawing.Bitmap(pictureBox.Size.Width, pictureBox.Size.Height);
using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(_bitmap))
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
for (int i = 0; i < points.Count; i++)
{
g.FillEllipse(System.Drawing.Brushes.Black, points[i].X - 5 / 2, points[i].Y - 5 / 2, 5, 5);
if (i > 0)
{
g.DrawLine(new System.Drawing.Pen(System.Drawing.Brushes.Black, 1), points[i - 1].X, points[i - 1].Y, points[i].X, points[i].Y);
}
}
DrawClippingWindow(window, g);
}
pictureBox.Refresh();
}
public void SetClippingWindow(decimal topLeftX, decimal topLeftY, decimal width, decimal height)
{
Point topLeft = new Point(Convert.ToInt32(topLeftX), Convert.ToInt32(topLeftY));
_clippingWindow = new RectangularClippingWindow(topLeft, Convert.ToInt32(width), Convert.ToInt32(height));
}
public void SetClippingWindow(int topLeftX, int topLeftY, int width, int height)
{
Point topLeft = new Point(topLeftX, topLeftY);
_clippingWindow = new RectangularClippingWindow(topLeft, width, height);
}