public void Draw(Graphics g, bool current, Color color, bool allix, bool coord, ScreenConverter sc)
{
Pen p = new Pen(color);
float t = 0f;
float dt = 0.01f;
PointF[] result = new PointF[101];
for (int i = 0; i <= 100; i++)
{
result[i] = B(t, sc);
t += dt;
}
if (allix && current)
{
g.DrawLine(Pens.Silver, sc.II(P1.X), sc.JJ(P1.Y), sc.II(P2.X), sc.JJ(P2.Y));
g.DrawLine(Pens.Silver, sc.II(P3.X), sc.JJ(P3.Y), sc.II(P4.X), sc.JJ(P4.Y));
P2.Draw(g, current, allix, coord, sc);
P3.Draw(g, current, allix, coord, sc);
}
if (current)
{
p.Color = Color.Black;
g.DrawLines(p, result);
}
else
{
p.Color = Color.FromArgb(220, Color.DarkSlateGray);
g.DrawLines(p, result);
}
}
private PointF B(float t, int pt, float x, float y, ScreenConverter sc)
{
float c0 = (1 - t) * (1 - t) * (1 - t);
float c1 = (1 - t) * (1 - t) * 3 * t;
float c2 = (1 - t) * t * 3 * t;
float c3 = t * t * t;
double X = c0 * (sc.II(P1.X) * pt + x) + c1 * (sc.II(P2.X) * pt + x) + c2 * (sc.II(P3.X) * pt + x) + c3 * (sc.II(P4.X) * pt + x);
double Y = c0 * (sc.JJ(P1.Y) * pt + y) + c1 * (sc.JJ(P2.Y) * pt + y) + c2 * (sc.JJ(P3.Y) * pt + y) + c3 * (sc.JJ(P4.Y) * pt + y);
return(new PointF((float)X, (float)Y));
}
private PointF B(float t, ScreenConverter sc)
{
float c0 = (1 - t) * (1 - t) * (1 - t);
float c1 = (1 - t) * (1 - t) * 3 * t;
float c2 = (1 - t) * t * 3 * t;
float c3 = t * t * t;
double x = c0 * sc.II(P1.X) + c1 * sc.II(P2.X) + c2 * sc.II(P3.X) + c3 * sc.II(P4.X);
double y = c0 * sc.JJ(P1.Y) + c1 * sc.JJ(P2.Y) + c2 * sc.JJ(P3.Y) + c3 * sc.JJ(P4.Y);
return(new PointF((float)x, (float)y));
}
public void Draw(Graphics g, bool allix, int pt, float x, float y, ScreenConverter sc)
{
if (Current)
{
g.DrawLine(Pens.Red, sc.II(P1.X) * pt + x, sc.JJ(P1.Y) * pt + y, sc.II(P2.X) * pt + x, sc.JJ(P2.Y) * pt + y);
}
else
{
g.DrawLine(Pens.Black, sc.II(P1.X) * pt + x, sc.JJ(P1.Y) * pt + y, sc.II(P2.X) * pt + x, sc.JJ(P2.Y) * pt + y);
}
}
public void DrawBorder(Graphics g, ScreenConverter sc)
{
PointF p1 = new PointF(sc.II(0), sc.JJ(0));
PointF p2 = new PointF(sc.II(0), sc.JJ(1));
PointF p3 = new PointF(sc.II(1 * font.symbolWidth / 100f), sc.JJ(0));
PointF p4 = new PointF(sc.II(1 * font.symbolWidth / 100f), sc.JJ(1));
g.DrawLine(Pens.Black, p1, p2);
g.DrawLine(Pens.Black, p1, p3);
g.DrawLine(Pens.Black, p4, p3);
g.DrawLine(Pens.Black, p2, p4);
//g.DrawRectangle(Pens.Black, sc.II(sc.RX), sc.JJ(sc.RY), sc.LS(1), sc.LS(1));
}
private int SearchMyPoint(PointF p, ScreenConverter sc)
{
if (p != null)
{
for (int i = 0; i < curContour.myPoints.Count; i++)
{
MyPoint P = curContour.myPoints[i];
if (p.X <= sc.II(P.X) + 4 && p.X >= sc.II(P.X) - 4 && p.Y >= sc.JJ(P.Y) - 4 && p.Y <= sc.JJ(P.Y) + 4)
{
return(i);
}
}
}
return(-1);
}
public void Draw(Graphics g, bool current, Color color, bool allix, bool coord, ScreenConverter sc)
{
Pen p = new Pen(color);
if (current)
{
p.Color = Color.Black;
g.DrawLine(p, sc.II(P1.X), sc.JJ(P1.Y), sc.II(P2.X), sc.JJ(P2.Y));
}
else
{
p.Color = Color.FromArgb(220, Color.DarkSlateGray);
g.DrawLine(p, sc.II(P1.X), sc.JJ(P1.Y), sc.II(P2.X), sc.JJ(P2.Y));
}
}
public void UpdatePoint(float dx, float dy, ScreenConverter sc)
{
if (curPoint != null)
{
MyPoint cur = curPoint;
if (!(sc.II(cur.X) + dx > Width - 4) && sc.II(cur.X) + dx > 0)
{
cur.X += sc.LR((int)dx);
}
if (!(sc.JJ(cur.Y) + dy > Height - 4) && sc.JJ(cur.Y) + dy > 0)
{
cur.Y -= sc.LR((int)dy);
}
curPoint.Current = false;
}
}
private MyPoint SearchPoint(PointF p, ScreenConverter sc)
{
/*foreach (MyPoint P in curContour.myPoints)
* if (p.X <= sc.II(P.X) + 4 && p.X >= sc.II(P.X) - 4 && p.Y >= sc.JJ(P.Y) - 4 && p.Y <= sc.JJ(P.Y) + 4)
* return P;*/
foreach (ILine l in curContour.lines)
{
foreach (MyPoint P in l.GetSecondPoints())
{
if (p.X <= sc.II(P.X) + 4 && p.X >= sc.II(P.X) - 4 && p.Y >= sc.JJ(P.Y) - 4 && p.Y <= sc.JJ(P.Y) + 4)
{
return(P);
}
}
}
return(null);
}
public void Draw(Graphics g, bool allix, int pt, float x, float y, ScreenConverter sc)
{
float t = 0f;
float dt = 0.01f;
PointF[] result = new PointF[101];
for (int i = 0; i <= 100; i++)
{
result[i] = B(t, pt, x, y, sc);
t += dt;
}
if (allix)
{
g.DrawLine(Pens.Silver, sc.II(P1.X) * pt + x, sc.JJ(P1.Y) * pt + y, sc.II(P2.X) * pt + x, sc.JJ(P2.Y) * pt + y);
g.DrawLine(Pens.Silver, sc.II(P3.X) * pt + x, sc.JJ(P3.Y) * pt + y, sc.II(P4.X) * pt + x, sc.JJ(P4.Y) * pt + y);
}
g.DrawLines(Pens.Black, result);
}
public void Draw(Graphics g, bool curCont, bool allix, bool coord, ScreenConverter sc)
{
Pen p = new Pen(Brushes.Black);
if (!allix)
{
return;
}
if (coord)
{
string s = "(" + sc.II(X) + ";" + sc.JJ(Y) + ")";
Brush b = new SolidBrush(Color.White);
if (curCont)
{
b = new SolidBrush(Color.FromArgb(60, Color.Black));
}
else
{
b = new SolidBrush(Color.FromArgb(60, Color.Silver));
}
if (curCont)
{
g.DrawString(s, new Font("Courier", 8), b, sc.II(X) + 4, sc.JJ(Y) - 1);
}
}
if (curCont)
{
p.Color = Color.Black;
}
if (!curCont && !Current)
{
p.Color = Color.FromArgb(180, Color.DarkSlateGray);
}
if (First)
{
p.Color = Color.Blue;
}
if (Current)
{
p.Color = Color.Red;
}
g.DrawEllipse(p, sc.II(X) - 3, sc.JJ(Y) - 3, 6, 6);
}
