protected override void MoveThumb(int thumbIndex, LeadPointD offset)
{
int thumbsCount = GetThumbLocations().Length;
int targetPointsCount = TargetObject.Points.Count;
LeadPointD firstPoint = TargetObject.Points[0];
LeadPointD lastPoint = TargetObject.Points[TargetObject.Points.Count - 1];
bool isFlipped = firstPoint.Y > lastPoint.Y;
int mythumbIndex = thumbIndex;
List <LeadPointD> points = new List <LeadPointD>();
foreach (var point in TargetObject.Points)
{
points.Add(point);
}
//if the object is flipped then work with the points reversely
if (isFlipped)
{
//Reverse the points
points.Reverse();
//Also reverse the thumIndex
mythumbIndex = Math.Abs(thumbIndex - (thumbsCount - 1));
}
int before = Math.Max(0, (mythumbIndex - 1));
int after = Math.Min(mythumbIndex + 1, thumbsCount - 1);
double offsetY = offset.Y;
LeadPointD beforePoint = points[before * 2];
LeadPointD current = points[mythumbIndex * 2];
LeadPointD updated = AnnTransformer.TranslatePoint(points[mythumbIndex * 2], 0, offsetY);
LeadPointD afterPoint = points[after * 2];
bool x = LeadPointD.Equals(current, beforePoint) ? true : (updated.Y > (beforePoint.Y + 48));
bool y = LeadPointD.Equals(current, afterPoint) ? true : updated.Y < (afterPoint.Y - 48);
if (x && y)
{
points[mythumbIndex * 2] = updated;
points[mythumbIndex * 2 + 1] = AnnTransformer.TranslatePoint(points[mythumbIndex * 2 + 1], 0, offsetY);
if (isFlipped)
{
points.Reverse();
}
for (int i = 0; i < points.Count; i++)
{
TargetObject.Points[i] = SnapPointToGrid(points[i], false);
}
}
}
protected override void MoveThumb(int thumbIndex, LeadPointD offset)
{
AnnObject targetObject = TargetObject;
LeadPointD point = targetObject.Points[thumbIndex];
targetObject.Points[thumbIndex] = ClipPoint(AnnTransformer.TranslatePoint(point, offset.X, offset.Y), ClipRectangle);
AnnIntersectionPointObject intersectionPointObject = targetObject as AnnIntersectionPointObject;
if (intersectionPointObject != null)
{
intersectionPointObject.IntersectionInsideContainer = ClipRectangle.ContainsPoint(intersectionPointObject.IntersectionPoint);
}
base.MoveThumb(thumbIndex, offset);
}