/// <summary>
/// Initializes a new instance of the <see cref="LegFace"/> class that has undefined spans, and
/// no sequence number.
/// </summary>
internal LegFace(Leg leg, int nspan)
{
this.Leg = leg;
// Allocate an array of spans (always at least ONE).
m_Spans = new SpanInfo[Math.Max(1, nspan)];
for (int i = 0; i < m_Spans.Length; i++)
m_Spans[i] = new SpanInfo();
}
/// <summary>
/// Creates a new <c>PathInfo</c> object
/// </summary>
/// <param name="from">The point where the path starts.</param>
/// <param name="to">The point where the path ends.</param>
internal PathInfo(PointFeature from, PointFeature to, Leg[] legs)
{
m_From = from;
m_To = to;
m_Legs = legs;
m_IsAdjusted = false;
m_Rotation = 0.0;
m_ScaleFactor = 0.0;
}
/// <summary>
/// Initializes a new instance of the <see cref="LegFace"/> class.
/// <param name="leg">The leg this face relates to.</param>
/// <param name="dists">The observed distances for this face.</param>
/// </summary>
internal LegFace(Leg leg, Distance[] dists)
{
this.Leg = leg;
m_Spans = new SpanInfo[dists.Length];
for (int i=0; i<m_Spans.Length; i++)
{
m_Spans[i] = new SpanInfo();
m_Spans[i].ObservedDistance = dists[i];
}
}
/// <summary>
/// Initializes a new instance of the <see cref="LegFace"/> class.
/// </summary>
/// <param name="leg">The leg this face relates to.</param>
/// <param name="copy">The face to copy from.</param>
/// <param name="startIndex">The start index of the first span to copy</param>
internal LegFace(Leg leg, LegFace copy, int startIndex)
{
this.Leg = leg;
int nSpan = copy.m_Spans.Length - startIndex;
if (nSpan <= 0)
{
throw new IndexOutOfRangeException();
}
// Perform shallow copy
m_Spans = new SpanInfo[nSpan];
Array.Copy(copy.m_Spans, startIndex, m_Spans, 0, nSpan);
}
/// <summary>
/// Initializes a new instance of the <see cref="LegFace"/> class.
/// </summary>
/// <param name="leg">The leg this face relates to.</param>
/// <param name="copy">The face to copy from.</param>
/// <param name="startIndex">The start index of the first span to copy</param>
internal LegFace(Leg leg, LegFace copy, int startIndex)
{
this.Leg = leg;
int nSpan = copy.m_Spans.Length - startIndex;
if (nSpan <= 0)
throw new IndexOutOfRangeException();
// Perform shallow copy
m_Spans = new SpanInfo[nSpan];
Array.Copy(copy.m_Spans, startIndex, m_Spans, 0, nSpan);
}
/// <summary>
/// Initializes a new instance of the <see cref="PathEditor"/> class.
/// </summary>
/// <param name="legs">A working copy of the legs that may be modified.</param>
internal PathEditor(Leg[] legs)
{
m_Legs = new List<Leg>(legs);
m_Changes = new List<LegEdit>();
}