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 (this.getOperShape() != null)
{
this.getOperShape().setUnSelected(); //清除前操作对象中选中的状态
}
ArrayList allShapes = this.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(this.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
this.setOperShape(((BaseShape)allShapes[i])); //把选中的图形设定到本类的操作图形的状态中
}
this.getRefCADPanel().Refresh(); //刷新画板
}
public override void mouseDown(object sender, MouseEventArgs e, CADFrame objC)//重写线的鼠标按下
{
this.setOperShape(new LineShape());
this.getOperShape().setP1(this.getDownPoint());
this.getOperShape().penColor = objC.clr;
this.getOperShape().penwidth = objC.lineWidth;
this.getRefCADPanel().getCurrentShapes().Add(this.getOperShape());//
}
public void superMouseDown(object sender, MouseEventArgs e, CADFrame objCAD) //鼠标按下
{
this.setUpPoint(new Point(e.X, e.Y)); //鼠标的弹起点的设定
this.setDownPoint(new Point(e.X, e.Y)); //鼠标按下点的设定
this.setOldMovePoint(new Point(e.X, e.Y)); //老的鼠标移动点的设定
this.setNewMovePoint(new Point(e.X, e.Y)); //新的鼠标移动点的设定
this.setOldDragPoint(new Point(e.X, e.Y)); //老的鼠标拖动点的设定
this.setNewDragPoint(new Point(e.X, e.Y)); //新的鼠标拖动点的设定
this.mouseDown(sender, e, objCAD); //鼠标按下的处理
}
public void setRefCADPanel(CADFrame refCADPanel)
{
this.refCADPanel = refCADPanel;
}
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 static Pen getPen(CADFrame objCAD)//得到画笔
{
return(new Pen(objCAD.clr, objCAD.lineWidth));
}