public static void ChangeDefaultSides(int delta)
{
// called by GUI in response to INC/DEC when no shape is ongoing, but tool is selected
int newSides = CURRENTSIDES + delta;
if (newSides < MINIMUMSIDES || newSides > MAXIMUMSIDES)
{
return;
}
CURRENTSIDES = newSides;
CurrentSidesChanged?.Invoke();
}
private VerbResult ChangeSides(int delta)
{
// shared between verb during drawing and key later...
int newSides = m_Sides + delta;
if (newSides < MINIMUMSIDES || newSides > MAXIMUMSIDES)
{
return(VerbResult.Rejected);
}
m_Sides = newSides;
CURRENTSIDES = m_Sides;
CurrentSidesChanged?.Invoke();
if (m_DefinedVertices > 1 && m_Acceptable) // if Baseline is fixed
{
// otherwise we do not have a complete set of postulated vertices yet
SetLength(m_Sides);
m_Bounds = RectangleF.Empty;
int direction = base.TurnDirection(); // must be <>0 if m_bolAcceptable
PlacePoints(direction);
m_DefinedVertices = m_Sides;
return(VerbResult.Continuing);
}
return(VerbResult.Continuing);
}