public void DrawSplines(Bitmap bmp, TransCoord TC, List <Points> list)
{
int j = 0;
float step = 0.01f;
List <PointF> result = new List <PointF>();
for (float t = 0; t < 1; t += step)
{
float ytmp = 0;
float xtmp = 0;
for (int i = 0; i < list.Count; i++)
{
float b = polinom(i, list.Count - 1, t);
xtmp += list[i].X * b;
ytmp += list[i].Y * b;
}
result.Add(new PointF(xtmp, ytmp));
if (j > 0)
{
LowLogic.DrawLine(bmp, TC.II(result[j - 1].X), TC.JJ(result[j - 1].Y), TC.II(result[j].X), TC.JJ(result[j].Y), color);
}
j++;
}
}
public static void Point(Bitmap bmp, TransCoord TC, Color color, List <Points> p)
{
for (int i = 0; i < p.Count; i++)
{
LowLogic.DrawPoint(bmp, p[i].Clr, TC.II(p[i].X), TC.JJ(p[i].Y));
}
}
private static void drawSpline(Bitmap bmp, TransCoord TC, float x1, float y1, float x2,
float y2, float x3, float y3, float x4, float y4, Color color)
{
float a0 = countSplineCoefficient(0, x1, x2, x3, x4);
float a1 = countSplineCoefficient(1, x1, x2, x3, x4);
float a2 = countSplineCoefficient(2, x1, x2, x3, x4);
float a3 = countSplineCoefficient(3, x1, x2, x3, x4);
float b0 = countSplineCoefficient(0, y1, y2, y3, y4);
float b1 = countSplineCoefficient(1, y1, y2, y3, y4);
float b2 = countSplineCoefficient(2, y1, y2, y3, y4);
float b3 = countSplineCoefficient(3, y1, y2, y3, y4);
float xPrev = a0, yPrev = b0;
for (int i = 1; i <= 20; i++)
{
float t = i / 20.0f;
float x = ((a3 * t + a2) * t + a1) * t + a0;
float y = ((b3 * t + b2) * t + b1) * t + b0;
LowLogic.DrawLine(bmp, TC.II(xPrev), TC.JJ(yPrev), TC.II(x), TC.JJ(y), color);
xPrev = x;
yPrev = y;
}
}
public LR6()
{
InitializeComponent();
splines = new List <ISplines>();
Line = new Line();
CB_Betta.Tag = new Betta_spline();
CB_Bezie.Tag = new Bezie();
TC = new TransCoord(0, Width, Height, 0, -50, -50, 50, 50);
}
public static void OY(Bitmap bmp, TransCoord TC)
{
LowLogic.DrawLine(bmp, TC.II(0), TC.JJ(TC.Y1), TC.II(0), TC.JJ(TC.Y2), Color.Black);
double h1 = HH(TC.Y1, TC.Y2);
int k1 = (int)Math.Round(TC.Y1 / h1) - 1;
int k2 = (int)Math.Round(TC.Y2 / h1);
int Digits = GetDigits(Math.Abs(TC.Y2 - TC.Y1));
for (int i = k1; i <= k2; i++)
{
LowLogic.DrawLine(bmp, TC.II(0) - 7, TC.JJ(i * h1), TC.II(0) + 7, TC.JJ(i * h1), Color.Black);
for (int j = 1; j <= 9; j++)
{
LowLogic.DrawLine(bmp, TC.II(0) - 3, TC.JJ(i * h1 + j * h1 / 10), TC.II(0) + 3, TC.JJ(i * h1 + j * h1 / 10), Color.Black);
}
}
}
public static void Draw(Bitmap bmp, TransCoord TC, List <ISplines> splines, Line p)
{
try
{
Random rnd = new Random();
DrawOXOY.Draw(bmp, TC);
Point(bmp, TC, Color.Black, p.Points);
if (splines != null)
{
for (int i = 0; i < splines.Count; i++)
{
splines[i].SetColor();
splines[i].DrawSplines(bmp, TC, p.Points);
}
}
}
finally
{ }
}
public void DrawSplines(Bitmap bmp, TransCoord TC, List <Points> points)
{
if (points.Count % 2 == 1 || points.Count < 8)
{
return;
}
drawSpline(bmp, TC, points[0].X, points[1].Y, points[0].X, points[1].Y, points[2].X, points[3].Y, points[4].X,
points[5].Y, color);
for (int i = 8; i <= points.Count; i += 2)
{
drawSpline(bmp, TC, points[i - 8].X, points[i - 7].Y, points[i - 6].X, points[i - 5].Y, points[i - 4].X,
points[i - 3].Y, points[i - 2].X, points[i - 1].Y, color);
}
int j = points.Count - 6;
drawSpline(bmp, TC, points[j].X, points[j + 1].Y, points[j + 2].X, points[j + 3].Y, points[j + 4].X,
points[j + 5].Y, points[j + 4].X, points[j + 5].Y, color);
}
public static Bitmap Draw(Bitmap bmp, TransCoord TC)
{
OX(bmp, TC); OY(bmp, TC);
return(bmp);
}