public int CatchPointIndex = -1; //捕捉热点的索引
public override void MouseDown(object sender, MouseEventArgs e, CadFrame objC) //重写鼠标的按下
{
CatchPointIndex = -1; //重置捕捉热点的索引
if (GetOperShape() != null)
{
GetOperShape().SetUnSelected(); //清除前操作对象中选中的状态
}
ArrayList allShapes = GetRefCadPanel().GetCurrentShapes(); //得到画板上的所有图形
int catchPoint = -1;
int i = 0;
for (; i < allShapes.Count; i++) //对每个图形进行捕捉测试
{
catchPoint = ((BaseShape)allShapes[i]).CatchShapPoint(GetNewMovePoint()); //捕捉集合中的一个图形
if (catchPoint > -1)
{
break; //捕获到后，跳出循环
}
}
if (catchPoint > -1)
{
CatchPointIndex = catchPoint; //捕获到后，将临时的热点设置到工具属性中
((BaseShape)allShapes[i]).SetSelected(); //设置捕捉到的图形为选中状态
SetOperShape(((BaseShape)allShapes[i])); //把选中的图形设定到本类的操作图形的状态中
}
GetRefCadPanel().Refresh(); //刷新画板
}
public override void MouseDown(object sender, MouseEventArgs e, CadFrame objC)//重写线的鼠标按下
{
SetOperShape(new RectangleShape());
GetOperShape().SetP1(GetDownPoint());
GetOperShape().PenColor = objC.Clr;
GetOperShape().Penwidth = objC.LineWidth;
GetRefCadPanel().GetCurrentShapes().Add(GetOperShape());//
}
public void SuperMouseDown(object sender, MouseEventArgs e, CadFrame objCad) //鼠标按下
{
SetUpPoint(new Point(e.X, e.Y)); //鼠标的弹起点的设定
SetDownPoint(new Point(e.X, e.Y)); //鼠标按下点的设定
SetOldMovePoint(new Point(e.X, e.Y)); //老的鼠标移动点的设定
SetNewMovePoint(new Point(e.X, e.Y)); //新的鼠标移动点的设定
SetOldDragPoint(new Point(e.X, e.Y)); //老的鼠标拖动点的设定
SetNewDragPoint(new Point(e.X, e.Y)); //新的鼠标拖动点的设定
MouseDown(sender, e, objCad); //鼠标按下的处理
}
public abstract void MouseUp(object sender, MouseEventArgs e); //鼠标弹起的处理 public abstract void MouseDown(object sender, MouseEventArgs e, CadFrame objC); //鼠标按下的处理
public void SetRefCadPanel(CadFrame refCadPanel)
{
_refCadPanel = refCadPanel;
}
public static Pen GetPen(CadFrame objCad)//得到画笔
{
return(new Pen(objCad.Clr, objCad.LineWidth));
}
