public override void Clear()
{
List <_graphicpos> l = new List <_graphicpos>(_list);
for (int i = 0; i < l.Count; i++)
{
_graphicpos gp = l[i];
gp.g.Father = null;
}
}
/// <summary>
/// 将一个compositegraphic的内容merge到本对象中
/// </summary>
public void MergeComposite(CompositeGraphic cg, double left = 0.0f, double top = 0.0f)
{
List <_graphicpos> lgp = cg.getGraphicPosList();
List <_graphicpos> l = new List <_graphicpos>(lgp);
for (int i = 0; i < l.Count; i++)
{
_graphicpos gp = l[i];
this.Add(gp.g, left + gp.left, top + gp.top);
}
cg.Father = null;
}
/// <summary>
/// 全选
/// </summary>
public CompositeGraphic SelectAll()
{
CompositeGraphic cg = new CompositeGraphic();
cg.Width = this.Width;
cg.Height = this.Height;
List <_graphicpos> l = new List <_graphicpos>(_list);
for (int i = 0; i < l.Count; i++)
{
_graphicpos gp = l[i];
cg.Add(gp.g, gp.left, gp.top);
}
this.Add(cg);
return(cg);
}
/// <summary>
/// 这个辅助函数用来删掉一个子graphic
/// </summary>
public void Remove(MyGraphic g)
{
_graphicpos mgp = null;
foreach (_graphicpos gp in _list)
{
if (gp.g == g)
{
mgp = gp;
break;
}
}
if (mgp != null)
{
_list.Remove(mgp);
}
}
public override CompositeGraphic SelectRect(Rect r, double left = 0.0f, double top = 0.0f)
{
CompositeGraphic compositegraphic = new CompositeGraphic();
compositegraphic.isTemporary = true;
RectangleGeometry rg = new RectangleGeometry(r);
if (getBorder(left, top).FillContainsWithDetail(rg) != IntersectionDetail.Empty || isTemporary)
{
if (!isCombined)
{
List <_graphicpos> lg = new List <_graphicpos>(_list);
for (int i = 0; i < lg.Count; i++)
{
_graphicpos gp = lg[i];
CompositeGraphic cg = gp.g.SelectRect(r, gp.left, gp.top);
if (cg == null || cg.isEmpty())
{
continue;
}
cg.isTemporary = true;
compositegraphic.MergeComposite(cg, left, top);
}
}
else
{
return(this);
}
}
if (compositegraphic.isEmpty())
{
return(null);
}
this.Add(compositegraphic);
return(compositegraphic);
}
