private void button1_Click(object sender, EventArgs e)
{
var graph = new graphiс {
graph = tabPage1.CreateGraphics(), MyPen = new Pen(Color.Blue, 1)
};
graph.graph.Clear(Color.White);
int X, Y, Xmax, Ymax;
Xmax = tabPage1.Size.Width;
Ymax = tabPage1.Size.Height;
X = Xmax / 2;
Y = Ymax / 2;
var penAxis = new Pen(Color.Black);
graph.graph.DrawLine(penAxis, 0, Y, Xmax, Y);
graph.graph.DrawLine(penAxis, X, 0, X, Ymax);
double h = 0.1, Xdec = -5, Ydec = f2(Xdec);
int d = 10, Xp = Convert.ToInt16(Xdec * d) + X, Yp = -Convert.ToInt16(Ydec * d) + Y;
for (int i = X; i < Xmax; i += d)
{
graph.graph.DrawLine(penAxis, i, Y - 1, i, Y + 1);
graph.graph.DrawLine(penAxis, i - X, Y - 1, i - X, Y + 1);
}
for (int i = Y; i < Ymax; i += d)
{
graph.graph.DrawLine(penAxis, X - 1, i - Y, X + 1, i - Y);
graph.graph.DrawLine(penAxis, X - 1, i, X + 1, i);
}
int Xp1, Yp1;
while (Xdec < 5)
{
Xp1 = Convert.ToInt16((Xdec + h) * d) + X;
Yp1 = -Convert.ToInt16(f2(Xdec + h) * d) + Y;
graph.graph.DrawLine(graph.MyPen, Xp, Yp, Xp1, Yp1);
// graphic.graph.DrawLine(graphic.MyPen, 90, 190, 180, 185);
Xdec = Xdec + h;
Ydec = f2(Xdec);
Xp = Convert.ToInt16(Xdec * d) + X;
Yp = -Convert.ToInt16(Ydec * d) + Y;
}
button2_Click(sender, e, d);
}
private void button3_Click(object sender, EventArgs e)
{
var trinagleBuilder = new TrinagleBuilder(textBox1, textBox2, textBox3, textBox4, textBox5, textBox6);
var graphic = new graphiс {
graph = tabPage2.CreateGraphics(), MyPen = new Pen(Color.Blue, 1)
};
graphic.graph.Clear(Color.White);
graphic.graph.DrawEllipse(graphic.MyPen,
trinagleBuilder.CircumscribedCircleCenter.X - trinagleBuilder.CircumscribedCircleRadius,
trinagleBuilder.CircumscribedCircleCenter.Y - trinagleBuilder.CircumscribedCircleRadius,
2 * trinagleBuilder.CircumscribedCircleRadius,
2 * trinagleBuilder.CircumscribedCircleRadius);
graphic.graph.DrawEllipse(new Pen(Color.Red, 1),
trinagleBuilder.InscribedCircleCenter.X - trinagleBuilder.InscribedCircleRadius,
trinagleBuilder.InscribedCircleCenter.Y - trinagleBuilder.InscribedCircleRadius,
2 * trinagleBuilder.InscribedCircleRadius,
2 * trinagleBuilder.InscribedCircleRadius);
graphic.graph.DrawLine(graphic.MyPen, trinagleBuilder.A, trinagleBuilder.B);
graphic.graph.DrawLine(graphic.MyPen, trinagleBuilder.C, trinagleBuilder.B);
graphic.graph.DrawLine(graphic.MyPen, trinagleBuilder.A, trinagleBuilder.C);
}
private void button2_Click(object sender, EventArgs e, int d)
{
var graph = new graphiс {
graph = tabPage1.CreateGraphics(), MyPen = new Pen(Color.ForestGreen, 1)
};
var xmax = tabPage1.Size.Width;
var ymax = tabPage1.Size.Height;
var x = xmax / 2;
var y = ymax / 2;
double h = 0.1;
double xdec = -2;
double ydec = xdec * xdec * xdec / ((xdec - 2) * (xdec - 2));
//int d = 10;
int xp = Convert.ToInt16(xdec * d) + x;
int yp = -Convert.ToInt16(ydec * d) + y;
int xp1;
int yp1;
while (xdec < 8)
{
if (xdec == 2 || xdec + h == 2)
{
xdec += h;
ydec = xdec * xdec * xdec / ((xdec - 2) * (xdec - 2));
xp = Convert.ToInt16(xdec * d) + x;
try
{
yp = -Convert.ToInt16(ydec * d) + y;
}
catch (Exception)
{
yp = -1;
}
}
else
{
xp1 = Convert.ToInt16((xdec + h) * d) + x;
try
{
yp1 = -Convert.ToInt16((xdec + h) * (xdec + h) * (xdec + h) /
((xdec + h - 2) * (xdec + h - 2)) * d) + y;
}
catch (Exception)
{
yp1 = -1;
}
graph.graph.DrawLine(graph.MyPen, xp, yp, xp1, yp1);
xdec = xdec + h;
ydec = xdec * xdec * xdec / ((xdec - 2) * (xdec - 2));
xp = Convert.ToInt16(xdec * d) + x;
try
{
yp = -Convert.ToInt16(ydec * d) + y;
}
catch (Exception)
{
yp = -1;
}
}
}
}