//UPGRADE_NOTE: ref keyword was added to struct-type parameters. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1303_3"'
public override void getBounds(System.Drawing.Drawing2D.Matrix transform, ref System.Drawing.Rectangle r, ref System.Drawing.PointF position)
{
System.Drawing.Rectangle a = new System.Drawing.Rectangle();
double x, y;
x = (double)position.X - System.Math.Cos(SupportClass.DegreesToRadians(startAngle)) * xRadius;
y = (double)position.Y - System.Math.Sin(SupportClass.DegreesToRadians(startAngle)) * yRadius;
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1042_3"'
a.X = (int)(x - xRadius);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1042_3"'
a.Y = (int)(y - yRadius);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1042_3"'
a.Width = (int)System.Math.Ceiling(x + xRadius) - a.X;
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1042_3"'
a.Height = (int)System.Math.Ceiling(y + yRadius) - a.Y;
System.Drawing.Drawing2D.Matrix temp_Matrix;
temp_Matrix = new System.Drawing.Drawing2D.Matrix();
temp_Matrix.Rotate((float)(rotation * (180 / System.Math.PI)));
//UPGRADE_NOTE: ref keyword was added to struct-type parameters. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1303_3"'
a = Util.transform(Util.multiply(transform, temp_Matrix), ref a);
//UPGRADE_NOTE: ref keyword was added to struct-type parameters. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1303_3"'
Util.combine(ref r, ref a);
//UPGRADE_NOTE: ref keyword was added to struct-type parameters. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1303_3"'
System.Drawing.PointF endPoint = calcPoint(1.0, ref position);
position.X = (float)endPoint.X;
position.Y = (float)endPoint.Y;
}
/// <summary> Rotates the current transformation around the given
/// pivot point by the given angle.
///
/// </summary>
/// <param name="angle">rotation in degrees.
/// </param>
/// <param name="pivotX">x coordinate of the pivot point.
/// </param>
/// <param name="pivotY">y coordinate of the pivot point.
/// </param>
public virtual void Rotate(double angle, double pivotX, double pivotY)
{
System.Drawing.Drawing2D.Matrix temp_Matrix;
temp_Matrix = new System.Drawing.Drawing2D.Matrix();
temp_Matrix.RotateAt((float)(SupportClass.DegreesToRadians(angle) * (180 / System.Math.PI)), new System.Drawing.PointF((float)pivotX, (float)pivotY));
transform(temp_Matrix);
}
//UPGRADE_NOTE: ref keyword was added to struct-type parameters. 'ms-help://MS.VSCC.2003/commoner/redir/redirect.htm?keyword="jlca1303_3"'
public override System.Drawing.PointF calcPoint(double t, ref System.Drawing.PointF position)
{
System.Drawing.PointF p = new System.Drawing.PointF();
double angle = SupportClass.DegreesToRadians(startAngle + (stopAngle - startAngle) * t);
double x, y;
double sinr = System.Math.Sin(SupportClass.DegreesToRadians(rotation));
double cosr = System.Math.Cos(SupportClass.DegreesToRadians(rotation));
x = (System.Math.Cos(angle) - System.Math.Cos(SupportClass.DegreesToRadians(startAngle))) * xRadius;
y = (System.Math.Sin(angle) - System.Math.Sin(SupportClass.DegreesToRadians(startAngle))) * yRadius;
p.X = (float)((double)position.X + cosr * x - sinr * y);
p.Y = (float)((double)position.Y + sinr * x + cosr * y);
return(p);
}
/// <summary> Calculates the point along the Arc, when the center of the ellipse
/// is thought to be at (0, 0).
///
/// </summary>
/// <param name="t">the place along the Arc (must be inside the rangle [0, 1]).
/// </param>
/// <returns> the point.
/// </returns>
public virtual System.Drawing.PointF calcRelativePoint(double t)
{
System.Drawing.PointF p = new System.Drawing.PointF();
double angle = SupportClass.DegreesToRadians(startAngle + (stopAngle - startAngle) * t);
double x, y;
double sinr = System.Math.Sin(SupportClass.DegreesToRadians(rotation));
double cosr = System.Math.Cos(SupportClass.DegreesToRadians(rotation));
x = System.Math.Cos(angle) * xRadius;
y = System.Math.Sin(angle) * yRadius;
p.X = (float)(cosr * x - sinr * y);
p.Y = (float)(sinr * x + cosr * y);
return(p);
}
