public static NumbersSingleton GetInstance()
{
if (instance == null)
{
instance = new NumbersSingleton();
}
return(instance);
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
var p = new Pen(colors[0], 3);
var g = e.Graphics;
g.DrawLine(p, ClientSize.Width / 2, 200, ClientSize.Width / 2, ClientSize.Height + 200);
g.DrawLine(p, 0, (ClientSize.Height + 200) / 2, ClientSize.Width, (ClientSize.Height + 200) / 2);
g.DrawLine(p, ClientSize.Width / 2, 200, ClientSize.Width / 2 - 10, 20 + 200);
g.DrawLine(p, ClientSize.Width / 2, 200, ClientSize.Width / 2 + 10, 20 + 200);
g.DrawLine(p, ClientSize.Width, (ClientSize.Height + 200) / 2, ClientSize.Width - 20, (ClientSize.Height + 200) / 2 - 10);
g.DrawLine(p, ClientSize.Width, (ClientSize.Height + 200) / 2, ClientSize.Width - 20, (ClientSize.Height + 200) / 2 + 10);
var pSetka = new Pen(colors[0], 1);
for (float i = 0; i < 10 / zoom; i++)
{
//g.DrawLine(pSetka, 0, 200 + (ClientSize.Height - 200) / 20 * i * zoom, ClientSize.Width, 200 + (ClientSize.Height - 200) / 20 * i * zoom);
//g.DrawLine(pSetka, ClientSize.Width / 20 * i * zoom, 200, ClientSize.Width / 20 * i * zoom, ClientSize.Height);
g.DrawLine(pSetka, 0, FromNumToPixY((i) * zoom), ClientSize.Width, FromNumToPixY((i) * zoom));
g.DrawLine(pSetka, FromNumToPixX((i) * zoom), 200, FromNumToPixX((i) * zoom), ClientSize.Height);
g.DrawLine(pSetka, 0, FromNumToPixY(-(i) * zoom), ClientSize.Width, FromNumToPixY(-(i) * zoom));
g.DrawLine(pSetka, FromNumToPixX(-(i) * zoom), 200, FromNumToPixX(-(i) * zoom), ClientSize.Height);
}
//string function = "x";
//Parser parser = new Parser(function);
//IExpression ixp = parser.Parse();
/*if (ixp != null)
* {
* for (float i = -10f; i < 10; i += 0.01f)
* {
* double f1 = ixp.Calculate();
* NumbersSingleton.GetInstance().Shift();
* double f2 = ixp.Calculate();
* if (f1 <= 10 && f2 <= 10)
* {
* g.DrawLine(p, FromNumToPixX(i), FromNumToPixY(f1), FromNumToPixX(i + 0.01), FromNumToPixY(f2));
* }
* }
* }*/
var pGraph = new Pen(colors[comboBox1.SelectedIndex], 3);
if (ixp != null && pointsf.Count != 0)
{
for (int i = 1; i < pointsf.Count; i++)
{
if (FromNumToPixY(pointsf[i - 1][1] * zoom) >= 225f)
{
g.DrawLine(pGraph, FromNumToPixX(pointsf[i - 1][0] * zoom), FromNumToPixY(pointsf[i - 1][1] * zoom), FromNumToPixX(pointsf[i][0] * zoom), FromNumToPixY(pointsf[i - 1][1] * zoom));
}
}
}
NumbersSingleton.GetInstance().Reload();
}
private void CalulatePoints()
{
for (float i = -10f; i < 10; i += 0.01f)
{
double f1 = ixp.Calculate();
NumbersSingleton.GetInstance().Shift();
double f2 = ixp.Calculate();
if (f1 <= 10 && f2 <= 10)
{
float[] point1 = { i, (float)(f1) };
float[] point2 = { (float)(i + 0.01), (float)(f2) };
//PointF p1 = new PointF(FromNumToPixX(i), FromNumToPixY(f1));
//PointF p2 = new PointF(FromNumToPixX(i + 0.01), FromNumToPixY(f2));
//points.Add(p1);
//points.Add(p2);
pointsf.Add(point1);
pointsf.Add(point2);
}
}
}
public double Calculate()
{
NumbersSingleton nm = NumbersSingleton.GetInstance();
return(nm.GetNumber());
}