/// <summary>
/// 获取指定的CloudLabel的左上角坐标
/// </summary>
/// <param name="sf">已计算出的Label的大小</param>
/// <param name="label">指定的CloudLabel</param>
/// <returns></returns>
protected virtual PointF GetPointF(SizeF sf, CloudLabel label)
{
PointF pf = _currPoint;
if ((pf.X + sf.Width) > this.Width - 20)
{
pf = new PointF(RowSpace, pf.Y + sf.Height + RowSpace);
_lines.Add(_lineNum++, label.Number);
}
_currPoint = new PointF(pf.X + sf.Width + ColumnSpace, pf.Y);
return(pf);
}
/// <summary>
/// Adds the specified cloud.
/// </summary>
/// <param name="cloud">The cloud.</param>
public void Add(IGenerator cloud)
{
SizeF stringSize;
using (Graphics g = this.CreateGraphics())
{
string text = cloud.Generator();
stringSize = g.MeasureString(text, Font);
}
CloudLabel cloudLabel = new CloudLabel(cloud, this.CloudItems.Count, stringSize);
this.CloudItems.Add(cloudLabel);
}