public static Size GetSizeRotated(Size originalSize, double rotationAngle)
{
double positiveCos = Math.Abs(Math.Cos(rotationAngle));
double positiveSin = Math.Abs(Math.Sin(rotationAngle));
double rotatedWidth = positiveCos * originalSize.Width + positiveSin * originalSize.Height;
double rotatedHeight = positiveSin * originalSize.Width + positiveCos * originalSize.Height;
Size rotatedSize = new Size (rotatedWidth, rotatedHeight);
return rotatedSize;
}
/// <summary>
/// Gets rotated size with given size object and a given rotation angle.
/// </summary>
/// <param name="size">Input size object.</param>
/// <param name="rotationAngle">Input rotation angle.</param>
/// <returns>Returns the rotated size object.</returns>
internal static Size GetRotatedSize(Size size, double rotationAngle)
{
double width = GetAbsoluteCos(rotationAngle, size.Width) +
GetAbsoluteSin(rotationAngle, size.Height);
double height = GetAbsoluteSin(rotationAngle, size.Width) +
GetAbsoluteCos(rotationAngle, size.Height);
Size rotatedSize = new Size(width, height);
return rotatedSize;
}
