public override void MoveHandle(PointF point, int handleNumber, Keys modifiers)
{
if (handleNumber == 1)
{
miniLabel.SetLabel(point);
}
}
public override void MoveHandle(PointF point, int handleNumber, Keys modifiers)
{
if (handleNumber == 1)
{
// User is dragging the outline of the circle, figure out the new radius at this point.
float shiftX = Math.Abs(point.X - center.X);
float shiftY = Math.Abs(point.Y - center.Y);
radius = (int)Math.Sqrt((shiftX * shiftX) + (shiftY * shiftY));
radius = Math.Max(radius, 10);
UpdateEllipseInImage();
}
else if (handleNumber == 2)
{
miniLabel.SetLabel(point);
UpdateEllipseInImage();
}
}
public override void MoveHandle(PointF point, int handleNumber, Keys modifiers)
{
int constraintAngleSubdivisions = 8; // (Constraint by 45° steps).
switch (handleNumber)
{
case 1:
if ((modifiers & Keys.Shift) == Keys.Shift)
{
points["a"] = GeometryHelper.GetPointAtClosestRotationStepCardinal(points["b"], point, constraintAngleSubdivisions);
}
else
{
points["a"] = point;
}
SignalTrackablePointMoved("a");
break;
case 2:
if ((modifiers & Keys.Shift) == Keys.Shift)
{
points["b"] = GeometryHelper.GetPointAtClosestRotationStepCardinal(points["a"], point, constraintAngleSubdivisions);
}
else
{
points["b"] = point;
}
SignalTrackablePointMoved("b");
break;
case 3:
// Move the center of the mini label to the mouse coord.
miniLabel.SetLabel(point);
break;
}
if (CalibrationHelper != null)
{
CalibrationHelper.CalibrationByLine_Update(Id, points["a"], points["b"]);
}
}