public override void Draw()
{
if (finished)
{
var Points = ApplyTransformations();
int n = Points.Count - 1;
double nFact = Utils.MathUtils.Factorials[n];
//Шаг
double dt = 0.001;
double t = dt;
double xPred = Points[0].X;
double yPred = Points[0].Y;
SelectBegin.X = (int)xPred;
SelectBegin.Y = (int)yPred;
SelectEnd.X = (int)xPred;
SelectEnd.Y = (int)yPred;
while (t < 1 + dt / 2)
{
int i = 0;
double xt = 0, yt = 0;
while (i <= n) // Было <=
{
//Интерполяционный полином Бернштейна
double J = Math.Pow(t, i) * Math.Pow(1 - t, n - i) * nFact / (Utils.MathUtils.Factorials[i] * Utils.MathUtils.Factorials[n - i]);
xt = xt + Points[i].X * J;
yt = yt + Points[i].Y * J;
i++;
}
Point Begin = new Point((int)xPred, (int)yPred);
Point End = new Point((int)xt, (int)yt);
Line.Draw(Begin, End, FigureColor);
t += dt;
xPred = xt; yPred = yt;
FindSelection(new Point((int)xPred, (int)yPred)); //Finds max&min points and sets selection accordingly to it.
}
}
if (IsSelected)
{
DrawSelect();
}
}
public override void Draw()
{
var Points = ApplyTransformations();
FindSelection(Points);
for (int i = 0; i < Points.Count - 1; i++)
{
Line.Draw(Points[i], Points[i + 1], FigureColor);
}
Fill();
if (IsSelected)
{
DrawSelect();
}
}
public override void DrawSetOp(List <int> List1, List <int> List2, int y)
{
List <double> XrLeft = new List <double>();
List <double> XrRight = new List <double>();
//массив приращения пороговых функций
double[] ThresholdIncr;
//рабочий массив итоговых значений
List <double[]> M = new List <double[]>();
// Difference
ThresholdIncr = new double[1];
ThresholdIncr[0] = 2;
// Writing values to resulting array.
int n = List1.Count();
for (int i = 0; i < n; i += 2)
{
double[] k = { List1[i], 2 };
M.Add(k);
double[] l = { List1[i + 1], -2 };
M.Add(l);
}
n = List2.Count();
for (int i = 0; i < n; i += 2)
{
double[] k = { List2[i], 1 };
M.Add(k);
double[] l = { List2[i + 1], -1 };
M.Add(l);
}
// Sorting array.
Sort(M);
double Q = 0, x, Qn;
// If first element is right border...
if (M[0][0] >= 0 && M[0][1] < 0)
{
// Add left border.
XrLeft.Add(0);
Q = -M[0][1];
}
// Adding values to left & right borders lists.
for (int i = 0; i < M.Count; i++)
{
x = M[i][0];
Qn = Q + M[i][1];
if (!Belong(Q, ThresholdIncr) && Belong(Qn, ThresholdIncr))
{
XrLeft.Add(x);
}
if (Belong(Q, ThresholdIncr) && !Belong(Qn, ThresholdIncr))
{
XrRight.Add(x);
}
Q = Qn;
}
if (Belong(Q, ThresholdIncr))
{
XrRight.Add(MainForm.bmp.Width);
}
// Writing line
for (int i = 0; i < XrLeft.Count(); i++)
{
Line.Draw(new Point((int)XrLeft[i] + 1, y), new Point((int)XrRight[i], y), FigureColor);
if (MaxY < y)
{
MaxY = y;
}
if (MaxX < XrRight[XrRight.Count - 1])
{
MaxX = (int)XrRight[XrRight.Count - 1];
}
if (MinY > y)
{
MinY = y;
}
if (MinX > XrLeft[0])
{
MinX = (int)XrLeft[0];
}
}
}
public override void DrawSetOp(List <int> List1, List <int> List2, int y)
{
List <double> Xrl = new List <double>();
List <double> Xrr = new List <double>();
//массив приращения пороговых функций
double[] ThresholdIncr;
//рабочий массив итоговых значений
List <double[]> M = new List <double[]>();
// пересечение
ThresholdIncr = new double[1];
ThresholdIncr[0] = 3;
//переписываем значения в итоговый массив
int n = List1.Count();
for (int i = 0; i < n; i += 2)
{
double[] k = { List1[i], 2 };
M.Add(k);
double[] l = { List1[i + 1], -2 };
M.Add(l);
}
n = List2.Count();
for (int i = 0; i < n; i += 2)
{
double[] k = { List2[i], 1 };
M.Add(k);
double[] l = { List2[i + 1], -1 };
M.Add(l);
}
//сортируем массив
Sort(M);
double Q = 0, x, Qn;
//если первый элемент массива правая граница сегмента
if (M[0][0] >= 0 && M[0][1] < 0)
{
//добавляем левую границу
Xrl.Add(0);
Q = -M[0][1];
}
//внос значений в списки левых и правых границ
for (int i = 0; i < M.Count; i++)
{
x = M[i][0];
Qn = Q + M[i][1];
if (!Belong(Q, ThresholdIncr) && Belong(Qn, ThresholdIncr))
{
Xrl.Add(x);
}
if (Belong(Q, ThresholdIncr) && !Belong(Qn, ThresholdIncr))
{
Xrr.Add(x);
}
Q = Qn;
}
if (Belong(Q, ThresholdIncr))
{
Xrr.Add(MainForm.bmp.Width);
}
//рисуем линию
for (int i = 0; i < Xrl.Count(); i++)
{
Line.Draw(new Point((int)Xrl[i] + 1, y), new Point((int)Xrr[i], y), FigureColor);
if (MaxY < y)
{
MaxY = y;
}
if (MaxX < Xrr[Xrr.Count - 1])
{
MaxX = (int)Xrr[Xrr.Count - 1];
}
if (MinY > y)
{
MinY = y;
}
if (MinX > Xrl[0])
{
MinX = (int)Xrl[0];
}
}
}