private static void MoveSegmentSymmetrically(GenericPosture posture, GenericPostureImpactHorizontalSymmetry impact)
{
// Moves a segment so it is symmetric to another segment relatively to a vertical symmetry axis.
GenericPostureSegment impacting = posture.Segments[impact.Impacting];
GenericPostureSegment impacted = posture.Segments[impact.Impacted];
GenericPostureSegment axis = posture.Segments[impact.Axis];
Vector vStart = new Vector(posture.PointList[impacting.Start], posture.PointList[axis.Start]);
posture.PointList[impacted.Start] = new PointF(posture.PointList[axis.Start].X + vStart.X, posture.PointList[impacting.Start].Y);
Vector vEnd = new Vector(posture.PointList[impacting.End], posture.PointList[axis.End]);
posture.PointList[impacted.End] = new PointF(posture.PointList[axis.End].X + vEnd.X, posture.PointList[impacting.End].Y);
}
private bool IsPointOnSegment(GenericPostureSegment segment, PointF point, IImageToViewportTransformer transformer)
{
PointF start = segment.Start >= 0 ? genericPosture.PointList[segment.Start] : GetUntransformedComputedPoint(segment.Start);
PointF end = segment.End >= 0 ? genericPosture.PointList[segment.End] : GetUntransformedComputedPoint(segment.End);
if (start == end)
{
return(false);
}
using (GraphicsPath path = new GraphicsPath())
{
path.AddLine(start, end);
return(HitTester.HitTest(path, point, segment.Width, false, transformer));
}
}
private void DrawDebug(double opacity, Graphics canvas, IImageToViewportTransformer transformer, List <Point> points)
{
// Note: some of the labels are drawn during the normal method with an extra test there.
PointF offset = new PointF(10, 10);
// Points id.
for (int i = 0; i < genericPosture.PointList.Count; i++)
{
string label = string.Format("P{0}", i);
PointF p = points[i];
DrawDebugText(p, offset, label, canvas, opacity, transformer);
}
// Segments id and name.
for (int i = 0; i < genericPosture.Segments.Count; i++)
{
GenericPostureSegment segment = genericPosture.Segments[i];
if (segment.Start < 0 || segment.End < 0)
{
continue;
}
PointF start = points[segment.Start];
PointF end = points[segment.End];
PointF middle = GeometryHelper.GetMiddlePoint(start, end);
string label = "";
if (!string.IsNullOrEmpty(segment.Name))
{
label = string.Format("S{0} [P{1}, P{2}]: {3}", i, segment.Start, segment.End, segment.Name);
}
else
{
label = string.Format("S{0} [P{1}, P{2}]", i, segment.Start, segment.End);
}
DrawDebugText(middle, offset, label, canvas, opacity, transformer);
}
}