/// <summary>
/// Convert to edge point from string.
/// </summary>
/// <param name="culture"></param>
/// <param name="value"></param>
/// <returns></returns>
internal static EdgePoint ConvertFromString(CultureInfo culture, string value)
{
double d1, d2;
value = value.Trim();
if (culture == null)
{
culture = CultureInfo.InvariantCulture;
}
if (value.StartsWith("(", false, culture) && value.EndsWith(")", false, culture))
{
value = value.Substring(1, value.Length - 2);
char[] chArr = new char[] { ':' };
string[] sArr = value.Split(chArr, System.StringSplitOptions.None);
if ((sArr.Length < 2) || (sArr.Length > 3) ||
!Double.TryParse(sArr[0].Trim(), NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite | NumberStyles.AllowLeadingSign | NumberStyles.AllowDecimalPoint | NumberStyles.AllowThousands | NumberStyles.AllowExponent, culture, out d1) ||
!Double.TryParse(sArr[1].Trim(), NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite | NumberStyles.AllowLeadingSign | NumberStyles.AllowDecimalPoint | NumberStyles.AllowThousands | NumberStyles.AllowExponent, culture, out d2))
{
throw new System.InvalidCastException();
}
if (sArr.Length == 3)
{
EdgePointType pointType = (EdgePointType)System.Enum.Parse(typeof(EdgePointType), sArr[2].Trim(), true);
return(new EdgePoint(d1, d2, pointType));
}
return(new EdgePoint(d1, d2));
}
throw new System.InvalidCastException();
}
/// <summary>
/// /更改边界点的坐标，使其位于边界上
/// </summary>
/// <param name="pt"></param>
/// <param name="otherTysonGeoPoint"></param>
/// <param name="type"></param>
void ChangePtPosToEdge(GeoPoint pt, GeoPoint otherTysonGeoPoint, EdgePointType type)
{
GeoPoint intersection = null;
switch (type)
{
case EdgePointType.MinX:
{
intersection = MathUtil.GetIntersection
(_lbPt, _ltPt,
pt, otherTysonGeoPoint);
break;
}
case EdgePointType.MinY:
{
intersection = MathUtil.GetIntersection
(_lbPt, _rbPt,
pt, otherTysonGeoPoint);
break;
}
case EdgePointType.MaxX:
{
intersection = MathUtil.GetIntersection
(_rtPt, _rbPt,
pt, otherTysonGeoPoint);
break;
}
case EdgePointType.MaxY:
{
intersection = MathUtil.GetIntersection
(_ltPt, _rtPt,
pt, otherTysonGeoPoint);
break;
}
default: break;
}
if (intersection != null)
{
pt.X = intersection.X;
pt.Y = intersection.Y;
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="pt">Point.</param>
/// <param name="pointType">Point type-</param>
public EdgePoint(PointD pt, EdgePointType pointType)
{
this.point = new PointD(pt.X, pt.Y);
this.pointType = pointType;
this.Id = Guid.NewGuid();
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="x">X coordinate.</param>
/// <param name="y">Y coordinate.</param>
/// <param name="pointType">Point type.</param>
public EdgePoint(double x, double y, EdgePointType pointType)
: this(new PointD(x, y), pointType)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="pt">Point.</param>
/// <param name="pointType">Point type-</param>
public EdgePoint(PointD pt, EdgePointType pointType)
{
this.point = new PointD(pt.X, pt.Y);
this.pointType = pointType;
this.Id = Guid.NewGuid();
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="x">X coordinate.</param>
/// <param name="y">Y coordinate.</param>
/// <param name="pointType">Point type.</param>
public EdgePoint(double x, double y, EdgePointType pointType)
: this(new PointD(x,y), pointType)
{
}