private void DrawStrokePart(StrokePart part, Graphics graphics, Pen pen1, Pen pen2)
{
Vector2f topLeft = new Vector2f(10, 10);
Vector2f scale = new Vector2f(0.01f, 0.01f);
if (allStrokes.Count > 0)
{
KanjiMatcher.CalcResize(allStrokes, matchedTemplate, out topLeft, out scale);
}
graphics.DrawLine(pen1,
new PointF(topLeft.X + part.StartPoint.X / scale.X, topLeft.Y + part.StartPoint.Y / scale.Y),
new PointF(topLeft.X + part.EndPoint.X / scale.X, topLeft.Y + part.EndPoint.Y / scale.Y));
const int sections = 64;
PointF[] roundPoints = new PointF[sections + 1];
Vector2f delta = part.EndPoint - part.StartPoint;
Vector2f ortho = new Vector2f(delta.Y, -delta.X);
for (int i = 0; i <= sections; i++)
{
float pos = (float)i / sections;
Vector2f point = part.GetGlobalFromProgress(pos);
float param = 1 - (2 * pos - 1) * (2 * pos - 1);
point = topLeft + new Vector2f(point.X / scale.X, point.Y / scale.Y);
roundPoints[i] = new PointF(point.X, point.Y);
}
graphics.DrawLines(pen2, roundPoints);
}
