public virtual void OnMouseUp(MouseEventArgs e)
{
CC.panel.Capture = false;
CC.UnselectAll();
CC.panel.Refresh();
isNewObjectAdded = false;
}
/// <summary>添加新的图形对象</summary>
protected void AddNewObject(DrawObject w)
{
CC.UnselectAll();
w.Selected = true;
CC.graphicsList.Add(w);
CC.panel.Capture = true;
CC.panel.Refresh();
}
//清除选中对象
private void button3_Click(object sender, EventArgs e)
{
CC.UnselectAll();
activeTool = ToolType.Pointer;
}
public override void OnMouseDown(MouseEventArgs e)
{
CC.isToolPoint = true;
Point p = new Point(e.X, e.Y);
selectMode = SelectionMode.None;
int n = CC.SelectionCount;
for (int i = n - 1; i >= 0; i--)
{
DrawObject w = CC.GetSelectedObject(i);
int handleNumber = w.HitHandleTest(p);
if (handleNumber > 0)
{
selectMode = SelectionMode.Size;
resizedObject = w;
resizedObjectHandle = handleNumber;
CC.UnselectAll();
w.Selected = true;
break;
}
}
if (selectMode == SelectionMode.None)
{
int n1 = CC.graphicsList.Count;
DrawObject w = null;
//查找是否有对象被选中
for (int i = n1 - 1; i >= 0; i--)
{
if (CC.graphicsList[i].HitHandleTest(p) == 0)
{
w = CC.graphicsList[i];
break;
}
}
if (w != null)
{
selectMode = SelectionMode.Move;
if ((Control.ModifierKeys & Keys.Control) == 0 && !w.Selected)
{
CC.UnselectAll();
}
w.Selected = true;
CC.panel.Cursor = Cursors.SizeAll;
}
}
if (selectMode == SelectionMode.None)
{
if ((Control.ModifierKeys & Keys.Control) == 0)
{
CC.UnselectAll();
}
selectMode = SelectionMode.NetSelection;
CC.IsDrawNetRectangle = true;
}
lastPoint.X = p.X;
lastPoint.Y = p.Y;
startPoint.X = p.X;
startPoint.Y = p.Y;
CC.panel.Capture = true;
CC.NetRectangle = CC.GetNormalizedRectangle(startPoint, lastPoint);
CC.panel.Refresh();
}