protected override void doExecute()
{
VisualCurve c = VisualCurve.CreateVisualCurve(new MoveTo((ICurve)owner.curves[index].Curve.Clone(), new_p));
owner.curves.RemoveAt(index);
owner.curves.Add(c);
}
/// <summary>
/// Перемещение кривой при нажатии на неё мышкой
/// </summary>
private void panel1_MouseMove(object sender, MouseEventArgs e)
{
if (moving)
{
IPoint new_p = new Geometry.Point(e.X + p_offset.X, e.Y + p_offset.Y);
movingCurve.Curve = new MoveTo(movingCurve.Curve, new_p);
panel1.Refresh();
DrawMove(movingList, movingCurve);
}
else
{
foreach (VisualCurve c in curves)
{
if (hoverCurve = c.Path.IsOutlineVisible(e.Location, new Pen(Color.Black, 15)))
{
VisualCurve cu = VisualCurve.CreateVisualCurve(c.Clone());
c.Draw(new DrawGraphics(g, 3));
hover = true;
break;
}
}
if (!hoverCurve && hover)
{
panel1.Refresh();
Draw(curves);
hover = false;
}
}
}
/// <summary>
/// Генерация новой кривой при нажатии кнопки
/// </summary>
private void button1_Click(object sender, EventArgs e)
{
VisualCurve cu = GenerateCurve(rand.Next(1, 3));
new Items_Add(cu.Clone(), this).Execute();
cu.Draw(new DrawGraphics(g, 1));
}
private void panel1_MouseUp(object sender, MouseEventArgs e)
{
if (moving)
{
IPoint new_p = new Geometry.Point(e.X + p_offset.X, e.Y + p_offset.Y);
new Items_Move(movingList.IndexOf(movingCurve), new_p, this).Execute();
movingCurve = null;
moving = false;
panel1.Refresh();
Draw(curves);
}
}
/// <summary>
/// Генерация кривой
/// </summary>
private VisualCurve GenerateCurve(int type)
{
int w = panel1.Width / 2 - 10;
int h = panel1.Height / 2 - 10;
if (type == 1)
{
return(VisualCurve.CreateVisualLine(new Line(new Geometry.Point(correctX(rand.Next(-w, w)), correctY(rand.Next(-h, h))), new Geometry.Point(correctX(rand.Next(-w, w)), correctY(rand.Next(-h, h))))));
}
else
{
return(VisualCurve.CreateVisualBezier(new Bezier(new Geometry.Point(correctX(rand.Next(-w, w)), correctY(rand.Next(-h, h))), new Geometry.Point(correctX(rand.Next(-w, w)), correctY(rand.Next(-h, h))), new Geometry.Point(correctX(rand.Next(-w, w)), correctY(rand.Next(-h, h))), new Geometry.Point(correctX(rand.Next(-w, w)), correctY(rand.Next(-h, h))))));
}
}
private void DrawMove(List <VisualCurve> list, VisualCurve move)
{
IDrawer draw = new DrawGraphics(g, 1);
IDrawer drawMove = new DrawGraphics(g, 4);
int ind = list.IndexOf(move);
for (int i = 0; i < list.Count; i++)
{
if (i != ind)
{
list[i].Draw(draw);
}
else
{
list[i].Draw(drawMove);
}
}
}
private void panel1_MouseDown(object sender, MouseEventArgs e)
{
CopyCurves(ref movingList);
foreach (VisualCurve c in movingList)
{
if (c.Path.IsOutlineVisible(e.Location, new Pen(Color.Black, 15)))
{
c.GetPoint(0, out p_offset);
p_offset.X -= e.X;
p_offset.Y -= e.Y;
movingCurve = c;
break;
}
}
if (movingCurve != null)
{
moving = true;
}
}
public Items_Add(VisualCurve curve, Form1 owner)
{
this.curve = curve;
this.owner = owner;
}
