private static PointF CalVeticalCutPos(PointF LinePort1, PointF LinePort2, PointF pt)
{
PointF tf1 = PointF.Empty;
if (LinePort1 == LinePort2)
{
return(LinePort1);
}
if (LinePort1.X == LinePort2.X)
{
tf1.X = LinePort1.X;
tf1.Y = pt.Y;
}
else
{
double num1 = 0;
BezierFunc.CalcSlope(LinePort1, LinePort2, ref num1);
if (0 == num1)
{
tf1.X = pt.X;
tf1.Y = LinePort1.Y;
}
else
{
double num2 = 0;
double num3 = 0;
BezierFunc.CalcSlope(LinePort1, LinePort2, ref num2);
if (num2 != 0)
{
double num4 = LinePort1.Y - (num2 * LinePort1.X);
num3 = -1 / num2;
double num5 = pt.Y - (num3 * pt.X);
tf1.X = BezierFunc.double_to_int((num5 - num4) / (num2 - num3));
tf1.Y = BezierFunc.double_to_int((num2 * tf1.X) + num4);
}
}
}
return(tf1);
}
private static double PointLine(double x1, double y1, double x2, double y2, double x, double y)
{
double num1;
if ((x1 == x2) && (y1 == y2))
{
num1 = BezierFunc.CalcDistanceOfTwoPoints(x, y, x1, y1);
}
else if (x1 == x2)
{
num1 = Math.Abs((double)(x - x1));
}
else if (y1 == y2)
{
num1 = Math.Abs((double)(y - y1));
}
else
{
double num2 = (y1 - y2) / (x1 - x2);
double num3 = y1 - (x1 * num2);
num1 = ((y - (x * num2)) - num3) / Math.Sqrt(1 + (num2 * num2));
}
return(Math.Abs(num1));
}
public static void AdjustCurve(ref PointF[] m_pointArray)
{
int num1 = m_pointArray.Length;
if (num1 >= 3)
{
double num8;
bool flag1 = false;
int num2 = 0;
int num3 = 0;
double num7 = num8 = BezierFunc.CalcAngle(m_pointArray[0], m_pointArray[1]);
ArrayList list1 = new ArrayList(0x10);
for (int num9 = 0; num9 < (num1 - 2); num9++)
{
double num4 = BezierFunc.CalcAngle(m_pointArray[num9], m_pointArray[num9 + 1]);
double num5 = BezierFunc.CalcAngle(m_pointArray[num9 + 1], m_pointArray[num9 + 2]);
num7 = BezierFunc.LesserData(num7, BezierFunc.LesserData(num4, num5));
num8 = BezierFunc.BiggishData(num8, BezierFunc.BiggishData(num4, num5));
Debug.Assert(num8 >= num7);
double num6 = Math.Abs((double)(num8 - num7));
if (!flag1)
{
if (num6 > 0.39269908169872414)
{
flag1 = true;
if (BezierFunc.PointLine(m_pointArray[num2], m_pointArray[num3], m_pointArray[num9]) > 4)
{
num3 = num9 + 1;
}
list1.Add(m_pointArray[num9 + 2]);
num7 = num8 = BezierFunc.CalcAngle(m_pointArray[num9 + 1], m_pointArray[num9 + 2]);
}
else
{
num3 = num9 + 1;
}
}
else
{
Debug.Assert(num3 >= 0);
if (num6 > 0.39269908169872414)
{
Debug.Assert((num3 >= num2) && (num9 >= num3));
if (BezierFunc.PointLine(m_pointArray[num2], m_pointArray[num3], m_pointArray[num9]) < 4)
{
BezierFunc.AddjustPoints(list1, m_pointArray[num2], m_pointArray[num3]);
flag1 = false;
}
else
{
num2 = num3;
num3 = num9 + 1;
Debug.Assert((num2 >= 0) && (num2 < num1));
}
num7 = num8 = BezierFunc.CalcAngle(m_pointArray[num9 + 1], m_pointArray[num9 + 2]);
}
list1.Add(m_pointArray[num9 + 2]);
}
}
m_pointArray = new PointF[list1.Count];
list1.CopyTo(m_pointArray);
}
}
private static double PointLine(PointF cPoint1, PointF cPoint2, PointF cPoint)
{
return(BezierFunc.PointLine((double)cPoint1.X, (double)cPoint1.Y, (double)cPoint2.X, (double)cPoint2.Y, (double)cPoint.X, (double)cPoint.Y));
}
