private void BezierContainer_MouseMove(object sender, MouseEventArgs e)
{
Point temp = new Point();
temp.X = Control.MousePosition.X;
temp.Y = Control.MousePosition.Y;
temp.X -= BezierContainer.Left;
temp.Y -= BezierContainer.Top;
temp = PointToClient(temp);
// System.Console.Out.WriteLine("Pos : " + temp.X + "," + temp.Y);
if (isDown)
{
Point mapPoint = new Point(BezierContainer.Left, BezierContainer.Top);
mapPoint = PointToScreen(mapPoint);
Rectangle rect = new Rectangle(mapPoint.X, mapPoint.Y, BezierContainer.Width, BezierContainer.Height);
Cursor.Clip = rect;
currentDistance += distanceTo(temp, currentPos);
if (currentDistance >= halfDis && !isMiddle)
{
midPoint = new Point(temp.X, temp.Y);
isMiddle = true;
}
else if (currentDistance >= 2 * halfDis && isMiddle)
{
p3 = temp;
p2 = getSecondPoint(midPoint, p1, p3);
Bezier bezier = new Bezier(p1, p2, p3);
currentDistance = 0;
p1 = new Point(p3.X, p3.Y);
beziers.Add(bezier);
isMiddle = false;
}
currentPos = temp;
}
}
private void BezierContainer_MouseUp(object sender, MouseEventArgs e)
{
isDown = false;
Cursor.Clip = Screen.PrimaryScreen.Bounds;
if (isMiddle)
{
Point temp = new Point();
temp.X = Control.MousePosition.X;
temp.Y = Control.MousePosition.Y;
temp.X -= BezierContainer.Left;
temp.Y -= BezierContainer.Top;
temp = PointToClient(temp);
p3 = temp;
p2 = getSecondPoint(midPoint, p1, p3);
Bezier bezier = new Bezier(p1, p2, p3);
currentDistance = 0;
isMiddle = false;
}
endPoint = new Point(Control.MousePosition.X, Control.MousePosition.Y);
endPoint = PointToClient(endPoint);
endPoint.X -= BezierContainer.Left;
endPoint.Y -= BezierContainer.Top;
Graphics graphics = BezierContainer.CreateGraphics();
Bitmap bm = new Bitmap(BezierContainer.Image, BezierContainer.Image.Width, BezierContainer.Image.Height);
bm.SetResolution(graphics.DpiX, graphics.DpiY);
for (int i = 0; i != beziers.Count; i++)
{
beziers.ElementAt(i).draw(graphics, bm, offsetX, offsetY);
}
graphics.Dispose();
}