public GraphicsPath PathForRectangularMethod(MathFunction func, RectangularMethodType type, double a, double b, int n)
{
GraphicsPath path = new GraphicsPath();
double difference = (b - a) / n;
for (int i = 0; i < n; i++)
{
double x = 0;
switch (type)
{
case RectangularMethodType.Left:
x = a + difference * i;
break;
case RectangularMethodType.Right:
x = a + difference * (i + 1);
break;
case RectangularMethodType.Central:
x = a + difference * (i + 0.5);
break;
default:
break;
}
path.AddRectangle(new RectangleF((float)FunctionXToScreenX(a + difference * i), (float)FunctionYToScreenY(func.Calculate(x)), (float)FunctionXToScreenX(x + difference) - (float)FunctionXToScreenX(x), (float)FunctionYToScreenY(0) - (float)FunctionYToScreenY(func.Calculate(x))));
}
return(path);
}
public RectangularMethod(RectangularMethodType type)
{
this.type = type;
}