/// <summary>
/// The input strokes are all of the same stroke style, we put them tip to tail here, and discard dups.
/// </summary>
/// <param name="paths"></param>
/// <returns></returns>
private static DDW.Vex.Shape ConsolidatePaths(List <StrokePath> ps)
{
// don't destroy org path
//List<StrokePath> ps = new List<StrokePath>(paths);
DDW.Vex.Shape result = new DDW.Vex.Shape();
if (ps.Count == 0)
{
return(result);
}
result.Stroke = ps[0].StrokeStyle;
List <IShapeData> rs = result.ShapeData;
rs.Add(ps[0].Segment);
Point curStart = ps[0].Segment.StartPoint;
Point curEnd = ps[0].Segment.EndPoint;
ps.RemoveAt(0);
bool hasMatch = true;
while (hasMatch && ps.Count > 0)
{
hasMatch = false;
for (int i = 0; i < ps.Count; i++)
{
if (ps[i].Segment.StartPoint.Equals(curEnd) || ps[i].Segment.EndPoint.Equals(curEnd))
{
StrokePath fp = ps[i];
ps.RemoveAt(i);
// in this case, the segment is backwards (this can happen in swf)
if (fp.Segment.EndPoint.Equals(curEnd))
{
fp.Segment.Reverse();
}
rs.Add(fp.Segment);
curEnd = fp.Segment.EndPoint;
hasMatch = true;
if (curEnd == curStart)
{
hasMatch = false;
}
break;
}
}
if (hasMatch == false && ps.Count > 0)
{
curStart = ps[0].Segment.StartPoint;
curEnd = ps[0].Segment.EndPoint;
rs.Add(ps[0].Segment);
ps.RemoveAt(0);
hasMatch = true;
}
}
return(result);
}
///// <summary>
///// Converts a number of outline segments to a series of shapes, one per strokestyle.
///// </summary>
///// <param name="paths"></param>
///// <returns></returns>
//public static List<Shape> ConvertToShapes(List<StrokePath> paths)
//{
// List<Shape> result = new List<Shape>();
// if (paths == null || paths.Count == 0)
// {
// return result;
// }
// List<StrokePath> curPaths = new List<StrokePath>();
// StrokeStyle curStrokeStyle = paths[0].StrokeStyle;
// for (int i = 0; i < paths.Count; i++)
// {
// if (paths[i].StrokeStyle == curStrokeStyle)
// {
// curPaths.Add(paths[i]);
// }
// else
// {
// result.Add(ConsolidatePaths(curPaths));
// curPaths.Clear();
// curPaths.Add(paths[i]);
// curStrokeStyle = paths[i].StrokeStyle;
// }
// }
// result.Add(ConsolidatePaths(curPaths));
// curPaths.Clear();
// return result;
//}
///// <summary>
///// The input strokes are all of the same stroke style, we put them tip to tail here, and discard dups.
///// </summary>
///// <param name="paths"></param>
///// <returns></returns>
//private static Shape ConsolidatePaths(List<StrokePath> paths)
//{
// Shape result = new Shape();
// if (paths.Count == 0)
// {
// return result;
// }
// result.Stroke = paths[0].StrokeStyle;
// List<IShapeData> rs = result.ShapeData;
// StrokePath prev = null;
// for (int i = 0; i < paths.Count; i++)
// {
// StrokePath p = paths[i];
// if (p == prev)
// {
// continue;
// }
// prev = p;
// bool hasInsertion = false;
// for (int j = 0; j < rs.Count; j++)
// {
// if (rs[j].StartPoint == p.Segment.EndPoint)
// {
// rs.Insert(j, p.Segment);
// hasInsertion = true;
// break;
// }
// }
// if (!hasInsertion)
// {
// rs.Add(p.Segment);
// }
// }
// return result;
//}
public int CompareTo(Object o)
{
int result = 0;
if (o is StrokePath)
{
StrokePath co = (StrokePath)o;
if (this.StrokeStyle != co.StrokeStyle)
{
result = this.StrokeStyle.CompareTo(co.StrokeStyle);
}
else if (this.Segment != co.Segment)
{
result = this.Segment.CompareTo(co.Segment);
}
}
else
{
throw new ArgumentException("Objects being compared are not of the same type");
}
return(result);
}