private void btnDraw_Click(object sender, EventArgs e)
{
try
{
Color c = Color.Black;
//If all or any of the scale parameters are zero
if (((int)NUDXmax.Value == 0) || ((int)NUDXmin.Value == 0) || ((int)NUDYmax.Value == 0) || ((int)NUDYmin.Value == 0))
{
//Messagebox is displayed
MessageBox.Show("The scale parameters set is invalid. Please refine scale parameters", "Invalid Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//If none of the functions are selected
if ((RBLinear.Checked == false) && (RBQuadratic.Checked == false) && (RBAbsolute.Checked == false) && (RBRoot.Checked == false) && (RBCubic.Checked == false) && (RBSine.Checked == false) && (RBCosine.Checked == false))
{
//Messagebox is displayed
MessageBox.Show("Please specify a function to be displayed.", "Missing Input", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//If the "A" parameter is set to zero
if ((int)NUDa.Value == 0)
{
//Messagebox appears
MessageBox.Show("The A parameter set cannot equal to zero.", "Input Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//If the "K" parameter is set to zero
else if ((int)NUDk.Value == 0)
{
//Messagebox appears
MessageBox.Show("The K parameter set cannot equal to zero.", "Input Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//Color Dialog is displayed to user
ColorDialog ClrDlg = new ColorDialog();
if (ClrDlg.ShowDialog() == DialogResult.OK)
{
//Color is set as BasicClr variable
c = ClrDlg.Color;
}
//if linear radio button is selected
if (RBLinear.Checked == true)
{
//Inputs are retrieved and set
myLinear.setXmax((int)NUDXmax.Value);
myLinear.setXmin((int)NUDXmin.Value);
myLinear.setYmax((int)NUDYmax.Value);
myLinear.setYmin((int)NUDYmin.Value);
myLinear.seta((int)NUDa.Value);
myLinear.setc((int)NUDc.Value);
myLinear.setd((int)NUDd.Value);
myLinear.setk((int)NUDk.Value);
myLinear.SetColor(c);
myLinear.Setscale();
myLinear.MakeTOV();
myLinear.TransformedTOV();
myLinear.transform();
PBFunction.Invalidate();
//Properties of function is stated
lblParentAnswer.Text = "f(x) = x";
lblDomainAnswer.Text = "{xE|R}";
lblRangeAnswer.Text = "{yE|R}";
}
//if quadratic radiobutton is checked
if (RBQuadratic.Checked == true)
{
//myFunction.transform(myFunction.geta(),myFunction.getk(),myFunction.getd,myFunction.getc());
//Inputs are retrieved and set
myParabola.setXmax((int)NUDXmax.Value);
myParabola.setXmin((int)NUDXmin.Value);
myParabola.setYmax((int)NUDYmax.Value);
myParabola.setYmin((int)NUDYmin.Value);
myParabola.seta((int)NUDa.Value);
myParabola.setc((int)NUDc.Value);
myParabola.setd((int)NUDd.Value);
myParabola.setk((int)NUDk.Value);
myParabola.SetColor(c);
myParabola.Setscale();
myParabola.MakeTOV();
myParabola.TransformedTOV();
myParabola.transform();
PBFunction.Invalidate();
//Function properties
lblParentAnswer.Text = "f(x) = x^2";
lblDomainAnswer.Text = "{xE|R}";
if ((int)NUDa.Value < 0)
{
lblRangeAnswer.Text = "{yE|R| y<=" + (int)NUDc.Value + "}";
}
else if ((int)NUDa.Value > 0)
{
lblRangeAnswer.Text = "{yE|R| y>=" + (int)NUDc.Value + "}";
}
}
//if absolute radiobutton is checked
if (RBAbsolute.Checked == true)
{
//Inputs are retrieved and set
myAbsolute.setXmax((int)NUDXmax.Value);
myAbsolute.setXmin((int)NUDXmin.Value);
myAbsolute.setYmax((int)NUDYmax.Value);
myAbsolute.setYmin((int)NUDYmin.Value);
myAbsolute.seta((int)NUDa.Value);
myAbsolute.setc((int)NUDc.Value);
myAbsolute.setd((int)NUDd.Value);
myAbsolute.setk((int)NUDk.Value);
myAbsolute.SetColor(c);
myAbsolute.Setscale();
myAbsolute.MakeTOV();
myAbsolute.TransformedTOV();
myAbsolute.transform();
PBFunction.Invalidate();
//Function properties
lblParentAnswer.Text = "f(x) = |x|";
lblDomainAnswer.Text = "{xE|R}";
if ((int)NUDa.Value < 0)
{
lblRangeAnswer.Text = "{yE|R| y<=" + (int)NUDc.Value + "}";
}
else if ((int)NUDa.Value > 0)
{
lblRangeAnswer.Text = "{yE|R| y>=" + (int)NUDc.Value + "}";
}
}
//If root radio button is selected
if (RBRoot.Checked == true)
{
//Inputs are retrieved and set
myRoot.setXmax((int)NUDXmax.Value);
myRoot.setXmin((int)NUDXmin.Value);
myRoot.setYmax((int)NUDYmax.Value);
myRoot.setYmin((int)NUDYmin.Value);
myRoot.seta((int)NUDa.Value);
myRoot.setc((int)NUDc.Value);
myRoot.setd((int)NUDd.Value);
myRoot.setk((int)NUDk.Value);
myRoot.SetColor(c);
myRoot.Setscale();
myRoot.MakeTOV();
myRoot.TransformedTOV();
myRoot.transform();
PBFunction.Invalidate();
//Function properties
lblParentAnswer.Text = "f(x) = x^(1/2)";
if ((int)NUDk.Value < 0)
{
lblDomainAnswer.Text = "{xE|R| x<=" + (int)NUDd.Value + "}";
}
else if ((int)NUDk.Value > 0)
{
lblDomainAnswer.Text = "{xE|R| x>=" + (int)NUDd.Value + "}";
}
if ((int)NUDa.Value < 0)
{
lblRangeAnswer.Text = "{yE|R| y<=" + (int)NUDc.Value + "}";
}
else if ((int)NUDa.Value > 0)
{
lblRangeAnswer.Text = "{yE|R| y>=" + (int)NUDc.Value + "}";
}
}
//if cubic radiobutton is checked
if (RBCubic.Checked == true)
{
//Inputs are retrieved and set
myCubic.setXmax((int)NUDXmax.Value);
myCubic.setXmin((int)NUDXmin.Value);
myCubic.setYmax((int)NUDYmax.Value);
myCubic.setYmin((int)NUDYmin.Value);
myCubic.seta((int)NUDa.Value);
myCubic.setc((int)NUDc.Value);
myCubic.setd((int)NUDd.Value);
myCubic.setk((int)NUDk.Value);
myCubic.SetColor(c);
myCubic.Setscale();
myCubic.MakeTOV();
myCubic.TransformedTOV();
myCubic.transform();
PBFunction.Invalidate();
//function properties
lblParentAnswer.Text = "f(x) = x^3";
lblDomainAnswer.Text = "{xE|R}";
lblRangeAnswer.Text = "{yE|R}";
}
//if sine radio button is selected
if (RBSine.Checked == true)
{
//Inputs are retrieved and set
mySine.setXmax((int)NUDXmax.Value);
mySine.setXmin((int)NUDXmin.Value);
mySine.setYmax((int)NUDYmax.Value);
mySine.setYmin((int)NUDYmin.Value);
mySine.seta((int)NUDa.Value);
mySine.setc((int)NUDc.Value);
mySine.setd((int)NUDd.Value);
mySine.setk((int)NUDk.Value);
mySine.SetColor(c);
mySine.Setscale();
mySine.MakeTOV();
mySine.TransformedTOV();
mySine.transform();
PBFunction.Invalidate();
//Function properties
lblParentAnswer.Text = "f(x) = sin(x)";
lblDomainAnswer.Text = "{xE|R}";
if ((int)NUDa.Value > 0)
{
lblRangeAnswer.Text = "{yE|R| " + ((int)NUDa.Value + (int)NUDc.Value) + "<= y < =" + ((((int)NUDa.Value) * (-1)) + (int)NUDc.Value) + "}";
}
else if ((int)NUDa.Value < 0)
{
lblRangeAnswer.Text = "{yE|R| " + ((((int)NUDa.Value) * (-1)) + (int)NUDc.Value) + "<= y < =" + ((int)NUDa.Value + (int)NUDc.Value) + "}";
}
}
//if cosine radio button is selected
if (RBCosine.Checked == true)
{
//Inputs are retrieved and set
myCosine.setXmax((int)NUDXmax.Value);
myCosine.setXmin((int)NUDXmin.Value);
myCosine.setYmax((int)NUDYmax.Value);
myCosine.setYmin((int)NUDYmin.Value);
myCosine.seta((int)NUDa.Value);
myCosine.setc((int)NUDc.Value);
myCosine.setd((int)NUDd.Value);
myCosine.setk((int)NUDk.Value);
myCosine.SetColor(c);
myCosine.Setscale();
myCosine.MakeTOV();
myCosine.TransformedTOV();
myCosine.transform();
PBFunction.Invalidate();
//Function properties
lblParentAnswer.Text = "f(x) = cos(x)";
lblDomainAnswer.Text = "{xE|R}";
if ((int)NUDa.Value > 0)
{
lblRangeAnswer.Text = "{yE|R| " + ((int)NUDa.Value + (int)NUDc.Value) + "<= y < =" + ((((int)NUDa.Value) * (-1)) + (int)NUDc.Value) + "}";
}
else if ((int)NUDa.Value < 0)
{
lblRangeAnswer.Text = "{yE|R| " + ((((int)NUDa.Value) * (-1)) + (int)NUDc.Value) + "<= y < =" + ((int)NUDa.Value + (int)NUDc.Value) + "}";
}
}
}
catch
{
}
}