public virtual void Redo()
{
m_owner.P1 = HitUtil.PointOncircle(m_owner.Center, m_endValue, HitUtil.DegressToRadians(Angle1));
m_owner.P2 = HitUtil.PointOncircle(m_owner.Center, m_endValue, HitUtil.DegressToRadians(Angle2));
m_owner.P3 = HitUtil.PointOncircle(m_owner.Center, m_endValue, HitUtil.DegressToRadians(Angle3));
m_owner.Radius = m_endValue;
}
UnitPoint RadiusNodePoint(ICanvas canvas)
{
double r = Radius + canvas.ToUnit(8);
float angle = StartAngle + SweepAngle / 2;
return(HitUtil.PointOncircle(m_center, r, HitUtil.DegressToRadians(angle)));
}
private UnitPoint EndAngleNodePoint(ICanvas canvas)
{
try
{
double r = Radius + canvas.ToUnit(8);
return(HitUtil.PointOncircle(m_center, r, HitUtil.DegressToRadians(EndAngle)));
}
catch (Exception ex)
{ throw ex; }
}
public void UpdateCenterNodeFromAngles()
{
try
{
float angle = StartAngle + SweepAngle / 2;
P2 = HitUtil.PointOncircle(m_center, m_radius, HitUtil.DegressToRadians(angle));
}
catch (Exception ex)
{ throw ex; }
}
private UnitPoint RadiusNodePoint(ICanvas canvas)
{
try
{
double r = Radius + canvas.ToUnit(8);
float angle = StartAngle + SweepAngle / 2;
return(HitUtil.PointOncircle(m_center, r, HitUtil.DegressToRadians(angle)));
}
catch (Exception ex)
{ throw ex; }
}
public virtual void Finish()
{
//float Angle1 = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_owner.Center,m_owner.P1, 0));
//float Angle2 = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_owner.Center, m_owner.P2, 0));
//float Angle3 = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_owner.Center, m_owner.P3, 0));
//Console.WriteLine(Angle1);
m_owner.P1 = HitUtil.PointOncircle(m_clone.Center, m_clone.Radius, HitUtil.DegressToRadians(Angle1));
m_owner.P2 = HitUtil.PointOncircle(m_clone.Center, m_clone.Radius, HitUtil.DegressToRadians(Angle2));
m_owner.P3 = HitUtil.PointOncircle(m_clone.Center, m_clone.Radius, HitUtil.DegressToRadians(Angle3));
m_endValue = m_clone.Radius;
m_owner.Radius = m_clone.Radius;
m_owner.Selected = true;
m_clone = null;
}
/*
* UnitPoint GetPoint()
* {
* if (m_curPoint == Arc3Point.eCurrentPoint.p1)
* return m_clone.P1;
* if (m_curPoint == Arc3Point.eCurrentPoint.p2)
* return m_clone.P2;
* if (m_curPoint == Arc3Point.eCurrentPoint.p3)
* return m_clone.P3;
* if (m_curPoint == Arc3Point.eCurrentPoint.startangle)
* return m_clone.P1;
* if (m_curPoint == Arc3Point.eCurrentPoint.endangle)
* return m_clone.P3;
* if (m_curPoint == Arc3Point.eCurrentPoint.radius)
* return m_clone.P2;
* return UnitPoint.Empty;
* }
* */
void SetPoint(Arc3Point arc, UnitPoint pos)
{
if (m_curPoint == Arc3Point.eCurrentPoint.p1)
{
arc.P1 = pos;
}
if (m_curPoint == Arc3Point.eCurrentPoint.p2)
{
arc.P2 = pos;
}
if (m_curPoint == Arc3Point.eCurrentPoint.p3)
{
arc.P3 = pos;
}
double angleToRound = 0;
if (Control.ModifierKeys == Keys.Control)
{
angleToRound = HitUtil.DegressToRadians(45);
}
double angleR = HitUtil.LineAngleR(arc.Center, pos, angleToRound);
if (m_curPoint == Arc3Point.eCurrentPoint.startangle)
{
arc.P1 = HitUtil.PointOncircle(arc.Center, arc.Radius, angleR);
}
if (m_curPoint == Arc3Point.eCurrentPoint.endangle)
{
arc.P3 = HitUtil.PointOncircle(arc.Center, arc.Radius, angleR);
}
if (m_curPoint == Arc3Point.eCurrentPoint.radius)
{
double radius = HitUtil.Distance(arc.Center, pos);
arc.P1 = HitUtil.PointOncircle(arc.Center, radius, HitUtil.DegressToRadians(arc.StartAngle));
arc.P2 = pos;
arc.P3 = HitUtil.PointOncircle(arc.Center, radius, HitUtil.DegressToRadians(arc.EndAngle));
}
arc.UpdateArcFrom3Points();
if ((m_curPoint == Arc3Point.eCurrentPoint.startangle) || (m_curPoint == Arc3Point.eCurrentPoint.endangle))
{
arc.UpdateCenterNodeFromAngles();
}
}
public virtual void OnMouseMove(ICanvas canvas, UnitPoint point)
{
m_lastPoint = point;
if (m_curPoint == eCurrentPoint.p1)
{
m_p1 = point;
Center = point;
return;
}
if (m_curPoint == eCurrentPoint.p2)
{
StartAngle = 0;
EndAngle = 360;
Center = HitUtil.LineMidpoint(m_p1, point);
m_radius = (float)HitUtil.Distance(m_center, point);
return;
}
if (m_curPoint == eCurrentPoint.center)
{
Center = point;
}
if (m_curPoint == eCurrentPoint.radius)
{
//StartAngle = 0;
//EndAngle = 360;
m_radius = (float)HitUtil.Distance(m_center, point);
}
double angleToRound = 0;
if (Control.ModifierKeys == Keys.Control)
{
angleToRound = HitUtil.DegressToRadians(45);
}
if (m_curPoint == eCurrentPoint.startAngle)
{
StartAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, point, angleToRound));
}
if (m_curPoint == eCurrentPoint.endAngle)
{
EndAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, point, angleToRound));
}
}
UnitPoint EndAngleNodePoint(ICanvas canvas)
{
double r = Radius + canvas.ToUnit(8);
return(HitUtil.PointOncircle(m_center, r, HitUtil.DegressToRadians(EndAngle)));
}
/// <summary>
/// 根据角度来更新圆弧的中点
/// </summary>
public void UpdateCenterNodeFromAngles()
{
float angle = StartAngle + SweepAngle / 2;
P2 = HitUtil.PointOncircle(m_center, m_radius, HitUtil.DegressToRadians(angle));
}
protected UnitPoint AnglePoint(float angle)
{
return(HitUtil.PointOncircle(m_center, m_radius, HitUtil.DegressToRadians(angle)));
}