static void CoordinateEndCompute(PiceCircle PiceCircleObj, double AngleGrad, double Radius)
{
Point begin = (Point)PiceCircleObj.Resources["Begin"];
double angle = AngleGrad * Math.PI / 180;
Point End = new Point();
End.X = Math.Abs(Radius + (begin.X - Radius) * Math.Cos(angle) + (Radius - begin.Y) * Math.Sin(angle));
End.Y = Math.Abs(Radius + (begin.Y - Radius) * Math.Cos(angle) + (begin.X - Radius) * Math.Sin(angle));
PiceCircleObj.Resources["End"] = End;
UEParametrs Parameters = RotateUIElement(AngleGrad, PiceCircleObj.AngleRotate, begin, End, Radius);;
var text = (TextBox)PiceCircleObj.Resources["ContentText"];
if (AngleGrad == 360)
{
var Elipse = ((GeometryGroup)PiceCircleObj.Resources["Circle"]).Children[0];
Elipse.SetValue(EllipseGeometry.RadiusXProperty, Radius);
Elipse.SetValue(EllipseGeometry.RadiusYProperty, Radius);
PiceCircleObj.Template = (ControlTemplate)PiceCircleObj.Resources["TemplateCircle"];
}
else if (AngleGrad != 0)
{
PiceCircleObj.Template = (ControlTemplate)PiceCircleObj.Resources["TemplatePice"];
}
text.SetValue(Canvas.TopProperty, Parameters.Top);
text.SetValue(Canvas.LeftProperty, Parameters.Left);
text.Width = Parameters.Width;
text.Height = Parameters.Heigth;
text.RenderTransform = new RotateTransform(Parameters.AngleElement, text.Width / 2, text.Height / 2);
}
static object AngleRotateCallback(DependencyObject obj, Object value)
{
PiceCircle PiceCircleObj = (PiceCircle)obj;
var angle = (double)value;
Point begin = (Point)PiceCircleObj.Resources["Begin"];
Point end = (Point)PiceCircleObj.Resources["End"];
CoordinateEndCompute(PiceCircleObj, PiceCircleObj.Angle, PiceCircleObj.Radius);
UEParametrs Parametrs = RotateUIElement(PiceCircleObj.Angle, angle, begin, end, PiceCircleObj.Radius);
var text = (TextBox)PiceCircleObj.Resources["ContentText"];
text.Height = Parametrs.Heigth;
text.Width = Parametrs.Width;
text.RenderTransform = new RotateTransform(Parametrs.AngleElement, text.Width / 2, text.Height / 2);
PiceCircleObj.RenderTransform = new RotateTransform(angle, PiceCircleObj.Radius, PiceCircleObj.Radius);
return(value);
}
static UEParametrs RotateUIElement(double AngleGrad, double AngleUIElement, Point begin, Point End, double Radius)
{
UEParametrs ParametrValue = new UEParametrs();
double Top = (Radius + End.Y) / 2;
double Left = (Radius + End.X) / 2;
double MiddleBeginLineY = (Radius + begin.Y) / 2;
double MiddleBeginLineX = (Radius + begin.X) / 2;
double Side = Math.Sqrt(Math.Pow(MiddleBeginLineX - Left, 2) + Math.Pow(MiddleBeginLineY - Top, 2));
if (AngleGrad == 360)
{
ParametrValue.AngleElement = 0;
ParametrValue.Width = Radius;
ParametrValue.Heigth = 30;
ParametrValue.Top = 5 * Radius / 4 + ParametrValue.Heigth;
ParametrValue.Left = Radius - ParametrValue.Width / 2;
}
else if (AngleGrad == 180)
{
double Y = Top - MiddleBeginLineY;
double X = Left - MiddleBeginLineX;
double alpha = Math.Abs(Y * 0 + X * 1) /
(Math.Sqrt(Math.Pow(0, 2) + Math.Pow(1, 2)) * Math.Sqrt(Math.Pow(X, 2) + Math.Pow(Y, 2)));
ParametrValue.AngleElement = AngleUIElement == 180 ? 180: 0;
ParametrValue.Width = Side;
ParametrValue.Heigth = Radius / 2;
ParametrValue.Top = Top == Radius ? Radius + (Radius - ParametrValue.Heigth) / 2 : Top;
ParametrValue.Left = Left;
}
else if (AngleGrad >= 90)
{
ParametrValue.AngleElement = -AngleUIElement;
ParametrValue.Width = Radius / 2;
ParametrValue.Heigth = Radius / 2;
ParametrValue.Top = Top - 2 * ParametrValue.Heigth / 3;
ParametrValue.Left = MiddleBeginLineX - 2 * ParametrValue.Width / 3;
}
else if (AngleGrad < 90)
{
ParametrValue.AngleElement = -AngleUIElement;
ParametrValue.Width = Side;
ParametrValue.Heigth = 2 * Side / 3;
if (Lambda == 0)
{
Lambda = 2;
}
double RigthTopX = 0, RigthTopY = 0;
double LenRigthTop = 0, LenRigthBottom = 0;
double RigthBottomX = 0, RigthBottomY = 0;
do
{
ParametrValue.Top = ((Radius + Lambda * End.Y) / (1 + Lambda) + (Radius + Lambda * begin.Y) / (1 + Lambda)) / 2;
ParametrValue.Left = ((Radius + Lambda * End.X) / (1 + Lambda) + (Radius + Lambda * begin.X) / (1 + Lambda)) / 2;
RigthTopX = ParametrValue.Left + ParametrValue.Width;
RigthTopY = ParametrValue.Top;
RigthBottomX = RigthTopX;
RigthBottomY = ParametrValue.Top + ParametrValue.Heigth;
LenRigthTop = Math.Sqrt(Math.Pow(RigthTopX - Radius, 2) + Math.Pow(RigthTopY - Radius, 2));
LenRigthBottom = Math.Sqrt(Math.Pow(RigthBottomX - Radius, 2) + Math.Pow(RigthBottomY - Radius, 2));
if ((Radius < LenRigthTop || Radius < LenRigthBottom) && AngleUIElement == 0)
{
Lambda -= 0.25;
}
}while ((Radius < LenRigthTop || Radius < LenRigthBottom) && AngleUIElement == 0);
}
return(ParametrValue);
}
