/// <summary> 绘制元素
/// </summary>
/// <param name="gp">绘图图面实例</param>
/// <param name="offsetlocation">绘制偏移坐标</param>
public override void Draw(Graphics gp, Point offsetlocation)
{
if (Selected)
{
_pro.Selected = true;
_con.Selected = true;
}
_pro.Draw(gp, offsetlocation);
_con.Draw(gp, offsetlocation);
}
/// <summary> 向工作区域绘制元素
/// </summary>
/// <param name="gp">绘图对象实例</param>
/// <param name="muslocation">鼠标位置坐标</param>
/// <param name="eletype">图形种类</param>
/// <param name="argv">参数数组<para />
/// argv[0]:绘制类型为路段，muslocation表示StartPoint坐标，argv[0]表示EndPoint坐标；<para />
/// 绘制类型为道岔，muslocation表示Root坐标，argv[0]表示Fork2坐标；
/// </param>
/// <returns>绘图成功返true，否则返回false</returns>
public Boolean DrawElement(Graphics gp, Point muslocation, ElementType eletype, params Object[] argv)
{
try
{
switch (eletype)
{
default:
{
//判断是否需要重新绘制
if (_isredraw)
{
Bitmap ways = new Bitmap(_viewsize.Width, _viewsize.Height);
Bitmap signals = new Bitmap(_viewsize.Width, _viewsize.Height);
Bitmap nodes = new Bitmap(_viewsize.Width, _viewsize.Height);
Graphics ways_gp = Graphics.FromImage(ways);
Graphics signals_gp = Graphics.FromImage(signals);
Graphics nodes_gp = Graphics.FromImage(nodes);
gp.Clear(Color.Transparent);
foreach (Elements show in _showelements)
{
if (!show.Selected)
{
switch (show.GetType().Name)
{
default: { break; }
case "ElePath":
case "EleFork":
{
show.Draw(ways_gp, _viewsize.Location);
break;
}
case "INode":
case "ONode":
{
show.Draw(nodes_gp, _viewsize.Location);
break;
}
case "DSignal":
case "DHSignal":
case "SSignal":
case "SHSignal":
{
show.Draw(signals_gp, _viewsize.Location);
break;
}
}
}
else
{
show.Selected = true;
}
}
gp.DrawImage(ways, 0, 0);
gp.DrawImage(nodes, 0, 0);
gp.DrawImage(signals, 0, 0);
((IDisposable)ways).Dispose();
((IDisposable)signals).Dispose();
((IDisposable)nodes).Dispose();
((IDisposable)ways_gp).Dispose();
((IDisposable)signals_gp).Dispose();
((IDisposable)nodes_gp).Dispose();
}
_isredraw = false;
break;
}
case ElementType.Path:
{
ElePath ele = new ElePath();
ele.StartPoint = CorrectPoint(muslocation);
ele.EndPoint = CorrectPoint((Point)argv[0]);
ele.Style.LineHeight = Config.LineWidth;
ele.Draw(gp, _viewsize.Location);
Config.AllElements.Add(ele);
_showelements.Add(ele);
break;
}
case ElementType.Fork:
{
EleFork ele = new EleFork();
ele.Root = CorrectPoint(muslocation);
ele.Fork2 = CorrectPoint((Point)argv[0]);
ele.Fork1 = new Point(ele.Fork2.X, ele.Root.Y);
ele.ProStyle.LineHeight = Config.LineWidth;
ele.ConStyle.LineHeight = Config.LineWidth;
ele.Draw(gp, _viewsize.Location);
Config.AllElements.Add(ele);
_showelements.Add(ele);
break;
}
case ElementType.DSignal:
{
DSignal ele = new DSignal();
ele.DrawPoint = CorrectPoint(muslocation);
ele.LightDiameter = Config.LightDiameter;
CheckImageLocation(ele, muslocation);
ele.Draw(gp, _viewsize.Location);
Config.AllElements.Add(ele);
_showelements.Add(ele);
break;
}
case ElementType.DHSignal:
{
DHSignal ele = new DHSignal();
ele.DrawPoint = CorrectPoint(muslocation);
ele.LightDiameter = Config.LightDiameter;
CheckImageLocation(ele, muslocation);
ele.Draw(gp, _viewsize.Location);
Config.AllElements.Add(ele);
_showelements.Add(ele);
break;
}
case ElementType.SSignal:
{
SSignal ele = new SSignal();
ele.DrawPoint = CorrectPoint(muslocation);
ele.LightDiameter = Config.LightDiameter;
CheckImageLocation(ele, muslocation);
ele.Draw(gp, _viewsize.Location);
Config.AllElements.Add(ele);
_showelements.Add(ele);
break;
}
case ElementType.SHSignal:
{
SHSignal ele = new SHSignal();
ele.DrawPoint = CorrectPoint(muslocation);
ele.LightDiameter = Config.LightDiameter;
CheckImageLocation(ele, muslocation);
ele.Draw(gp, _viewsize.Location);
Config.AllElements.Add(ele);
_showelements.Add(ele);
break;
}
case ElementType.INode:
{
INode ele = new INode();
ele.DrawPoint = CorrectPoint(muslocation);
CheckImageLocation(ele, muslocation);
ele.Draw(gp, _viewsize.Location);
Config.AllElements.Add(ele);
_showelements.Add(ele);
break;
}
case ElementType.ONode:
{
ONode ele = new ONode();
ele.DrawPoint = CorrectPoint(muslocation);
CheckImageLocation(ele, muslocation);
ele.Draw(gp, _viewsize.Location);
Config.AllElements.Add(ele);
_showelements.Add(ele);
break;
}
}
return(true);
}
catch (Exception)
{
return(false);
}
}
