private Rect pf_MeasureBounds()
{
Rect trct = RxGeom.GetVisualBounds(this, _rctImage);
trct.Inflate(10, 10);
return(trct);
}
//~~~~~~~~~~
public void SetScaleCenter(double tsx, double tsy)
{
if (tsx < 0.1)
{
return;
}
if (tsy < 0.1)
{
return;
}
pf_UpdateMatrix(delegate(Matrix tmtr)
{
double tysx = RxGeom.GetScaleX(tmtr);
double tysy = RxGeom.GetScaleY(tmtr);
double tnsx = RxGeom.DoubleRound(tsx);
double tnsy = RxGeom.DoubleRound(tsy);
if ((tysx != tnsx) && (tysy != tnsy))
{
double tcx = RxGeom.GetLeftCenter(_rctBounds);
double tcy = RxGeom.GetTopCenter(_rctBounds);
tmtr.Translate(-tcx, -tcy);
double tbsx = 1 / tysx;
double tbsy = 1 / tysy;
tmtr.Scale(tbsx, tbsy);
tmtr.Scale(tnsx, tnsy);
tmtr.Translate(tcx, tcy);
}
return(tmtr);
});
}
//~~~~~~~~~~
public void MoveCenter(double tcx, double tcy)
{
pf_UpdateMatrix(delegate(Matrix tmtr)
{
double ttx = tcx - RxGeom.GetLeftCenter(_rctBounds);
double tty = tcy - RxGeom.GetTopCenter(_rctBounds);
tmtr.Translate(ttx, tty);
return(tmtr);
});
}
public void MoveTopCenter(double tv)
{
pf_UpdateMatrix(delegate(Matrix tmtr)
{
double ttx = 0;
double tty = tv - RxGeom.GetTop(_rctBounds);
tmtr.Translate(ttx, tty);
return(tmtr);
});
}
//~~~~~~~~~~
public void MoveLeft(double tv)
{
pf_UpdateMatrix(delegate(Matrix tmtr)
{
double ttx = tv - RxGeom.GetLeft(_rctBounds);
double tty = 0;
tmtr.Translate(ttx, tty);
return(tmtr);
});
}
/// <summary>
/// 한바퀴 돌아간 라디안 보정
/// </summary>
/// <param name="trd"></param>
/// <returns></returns>
public static double CheckRadian(double trd)
{
if (trd < 0)
{
trd = RxGeom.FullRadianHalf + trd;
}
else if (trd >= RxGeom.FullRadianHalf)
{
trd = trd - RxGeom.FullRadian;
}
return(RxGeom.DoubleRound(trd));
}
protected override void OnMouseWheel(MouseWheelEventArgs tea)
{
base.OnMouseWheel(tea);
if (Keyboard.IsKeyDown(Key.LeftAlt))
{
if (tea.Delta < 0)
{
_sa -= 0.1;
if (_sa < 0.1)
{
_sa = 0.1;
}
_rxiv.SetScaleCenter(_sa, _sa);
_rxibv.DrawUpdate(_rxiv.GetBounds());
}
else if (tea.Delta > 0)
{
_sa += 0.1;
_rxiv.SetScaleCenter(_sa, _sa);
_rxibv.DrawUpdate(_rxiv.GetBounds());
}
}
else
{
if (tea.Delta < 0)
{
_ag -= 5;
if (_ag < 0)
{
_ag = 0;
}
_rxiv.SetRotateCenter(RxGeom.GetAngleToRadian(_ag));
_rxibv.DrawUpdate(_rxiv.GetBounds());
}
else if (tea.Delta > 0)
{
_ag += 5;
if (_ag > 360)
{
_ag = 360;
}
_rxiv.SetRotateCenter(RxGeom.GetAngleToRadian(_ag));
_rxibv.DrawUpdate(_rxiv.GetBounds());
}
RxLog.Trace(_ag.ToString());
}
}
//~~~~~~~~~~
public void SetRotateCenter(double trd)
{
pf_UpdateMatrix(delegate(Matrix tmtr)
{
double tyrd = RxGeom.GetRadian1(tmtr);
double tnrd = RxGeom.CheckRadian(trd);
//Debug.WriteLine(string.Format("tyrd: {0}, tnrd: {1} ", tyrd, tnrd));
if (tnrd != tyrd)
{
double tcx = RxGeom.GetLeftCenter(_rctBounds);
double tcy = RxGeom.GetTopCenter(_rctBounds);
tmtr.Translate(-tcx, -tcy);
tmtr.Rotate(-RxGeom.GetRadianToAngle(tyrd));
tmtr.Rotate(RxGeom.GetRadianToAngle(tnrd));
tmtr.Translate(tcx, tcy);
}
return(tmtr);
});
}
private void pf__btn1_Click(object tsd, RoutedEventArgs tea)
{
_ag += 15;
_rxiv.SetRotateCenter(RxGeom.GetAngleToRadian(_ag));
}
