private void TracingDataForm_KeyDown(object sender, KeyEventArgs e)
{
int offsetX = Scale;
int offsetY = Scale;
switch (e.KeyCode)
{
case Keys.Oemcomma: //<
MoveLineLeft();
break;
case Keys.OemPeriod: //>
MoveLineRight();
break;
case Keys.Left:
Painter.StartPosition = new Point(offsetX, 0);
Painter.DrawScene(colorNet, colorAxes, Scale);
ViewPort = Painter.DrawCurve(penForCurve, Parser.GetValues(functionPostfix,
Scale, Painter.CoordinatePlaneLocation.leftEdge, Painter.CoordinatePlaneLocation.rightEdge));
buffer = new Bitmap(ViewPort);
segmentXLabel.Text = $"Segment X: [{Painter.CoordinatePlaneLocation.leftEdge/Scale};{Painter.CoordinatePlaneLocation.rightEdge/Scale}]";
segmentYLabel.Text = $"Segment Y: [{Painter.CoordinatePlaneLocation.bottomEdge / Scale};{Painter.CoordinatePlaneLocation.topEdge / Scale}]";
break;
case Keys.Right:
Painter.StartPosition = new Point(-offsetX, 0);
Painter.DrawScene(colorNet, colorAxes, Scale);
ViewPort = Painter.DrawCurve(penForCurve, Parser.GetValues(functionPostfix,
Scale, Painter.CoordinatePlaneLocation.leftEdge, Painter.CoordinatePlaneLocation.rightEdge));
buffer = new Bitmap(ViewPort);
segmentXLabel.Text = $"Segment X: [{Painter.CoordinatePlaneLocation.leftEdge / Scale};{Painter.CoordinatePlaneLocation.rightEdge / Scale}]";
segmentYLabel.Text = $"Segment Y: [{Painter.CoordinatePlaneLocation.bottomEdge / Scale};{Painter.CoordinatePlaneLocation.topEdge / Scale}]";
break;
case Keys.Up:
Painter.StartPosition = new Point(0, offsetY);
Painter.DrawScene(colorNet, colorAxes, Scale);
ViewPort = Painter.DrawCurve(penForCurve, Parser.GetValues(functionPostfix,
Scale, Painter.CoordinatePlaneLocation.leftEdge, Painter.CoordinatePlaneLocation.rightEdge));
buffer = new Bitmap(ViewPort);
segmentXLabel.Text = $"Segment X: [{Painter.CoordinatePlaneLocation.leftEdge / Scale};{Painter.CoordinatePlaneLocation.rightEdge / Scale}]";
segmentYLabel.Text = $"Segment Y: [{Painter.CoordinatePlaneLocation.bottomEdge / Scale};{Painter.CoordinatePlaneLocation.topEdge / Scale}]";
break;
case Keys.Down:
Painter.StartPosition = new Point(0, -offsetY);
Painter.DrawScene(colorNet, colorAxes, Scale);
ViewPort = Painter.DrawCurve(penForCurve, Parser.GetValues(functionPostfix,
Scale, Painter.CoordinatePlaneLocation.leftEdge, Painter.CoordinatePlaneLocation.rightEdge));
buffer = new Bitmap(ViewPort);
segmentXLabel.Text = $"Segment X: [{Painter.CoordinatePlaneLocation.leftEdge / Scale};{Painter.CoordinatePlaneLocation.rightEdge / Scale}]";
segmentYLabel.Text = $"Segment Y: [{Painter.CoordinatePlaneLocation.bottomEdge / Scale};{Painter.CoordinatePlaneLocation.topEdge / Scale}]";
break;
}
}
private void TrapezoidsCount_ValueChanged(object sender, EventArgs e)
{
if (trapezoidsCount.Value < 500 && trapezoidsCount.Value >= 100)
{
trapezoidsCount.Increment = 10;
}
else if (trapezoidsCount.Value < 100)
{
trapezoidsCount.Increment = 1;
}
if (trapezoidsCount.Value >= 500)
{
trapezoidsCount.Increment = 50;
}
try
{
if (TM)
{
depiction.DrawScene(colorNet, colorAxes, Scale);
ViewPort = depiction.DrawCurve(Pens.Red, Parser.GetValues(selectedfunction_Postfix,
Scale, depiction.CoordinatePlaneLocation.leftEdge, depiction.CoordinatePlaneLocation.rightEdge));
ViewPort = depiction.DrawVerticalLine((float)x1NUD.Value * Scale);
ViewPort = depiction.DrawVerticalLine((float)x2NUD.Value * Scale);
GetValueByTrapezoidRule();
}
}
catch (Exception exception)
{
MessageBox.Show(exception.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public TracingDataForm(IMainForm View, int scale, ListView.ListViewItemCollection items)
{
InitializeComponent();
///Add all available explicit functions to the list
foreach (ListViewItem item in items)
{
if (!item.Text.Contains("["))
{
comboBoxForFunctions.Items.Add(item.Text);
}
}
if (comboBoxForFunctions.Items.Count != 0)
{
this.comboBoxForFunctions.SelectedItem = comboBoxForFunctions.Items[0];
}
///Set colors for pens
penForCurve = new Pen(Color.Blue, 2);
penForCross = new Pen(Color.Red, 2);
penForCross.DashStyle = DashStyle.Dash;
///Set the scale
Scale = scale;
this.View = View;
///Choose the first function in the list
functionInfix = comboBoxForFunctions.Items[0].ToString();
functionPostfix = Parser.ConvertToPostfix(functionInfix);
offset = 0;
functionLabel.Text = $"f(x) = {functionInfix}";
Painter = new Depiction(scene.Width, scene.Height);
Painter.DrawScene(colorNet, colorAxes, scale);
ViewPort = Painter.DrawCurve(penForCurve, Parser.GetValues(functionPostfix,
scale, Painter.CoordinatePlaneLocation.leftEdge, Painter.CoordinatePlaneLocation.rightEdge));
buffer = new Bitmap(ViewPort);
this.DoneButton.Click += DoneButton_Click;
this.comboBoxForFunctions.SelectedIndexChanged += ComboBoxForFunctions_SelectedIndexChanged;
penForDerivativeCurve = new Pen(Color.CadetBlue, 2);
penForDerivativeCurve.DashStyle = DashStyle.Dash;
comboBoxForFunctions.LostFocus += ComboBoxForFunctions_LostFocus;
// this.KeyPreview = true;
///Prohibit to edit the text
comboBoxForFunctions.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
incrementValueBox.ReadOnly = true;
incrementValueBox.ValueChanged += IncrementValueBox_ValueChanged;
segmentXLabel.Text = $"Segment X: [{Painter.CoordinatePlaneLocation.leftEdge / Scale};{Painter.CoordinatePlaneLocation.rightEdge / Scale}]";
segmentYLabel.Text = $"Segment Y: [{Painter.CoordinatePlaneLocation.bottomEdge / Scale};{Painter.CoordinatePlaneLocation.topEdge / Scale}]";
}
public AreaForm(IMainForm View, int Scale, ListView.ListViewItemCollection items)
{
InitializeComponent();
this.View = View;
this.Scale = Scale;
foreach (ListViewItem item in items)
{
functionComboBox.Items.Add(item.Text);
}
this.functionComboBox.SelectedItem = functionComboBox.Items[0];
selectedfunction_Infix = functionComboBox.SelectedItem.ToString();
selectedfunction_Postfix = Parser.ConvertToPostfix(selectedfunction_Infix);
analyzeButton.Click += AnalyzeButton_Click;
exitButton.Click += ExitButton_Click;
this.KeyDown += AreaForm_KeyDown;
functionComboBox.SelectedIndexChanged += FunctionComboBox_SelectedIndexChanged;
depiction = new Depiction(viewPort.Width, viewPort.Height);
ViewPort = depiction.DrawScene(colorNet, colorAxes, Scale);
ViewPort = depiction.DrawCurve(Pens.Red, Parser.GetValues(selectedfunction_Postfix, Scale,
depiction.CoordinatePlaneLocation.leftEdge, depiction.CoordinatePlaneLocation.rightEdge));
ShowVisibleSegments();
functionComboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
rectanglesCount.ReadOnly = true;
iterationsCount.ReadOnly = true;
this.DoneButton.Click += DoneButton_Click;
rectanglesCount.ValueChanged += NumericUpDown_ValueChanged;
trapezoidsCount.ValueChanged += TrapezoidsCount_ValueChanged;
}
private void ComboBoxForFunctions_SelectedIndexChanged(object sender, EventArgs e)
{
Painter = new Depiction(scene.Width, scene.Height);
Painter.DrawScene(colorNet, colorAxes, Scale);
functionInfix = comboBoxForFunctions.SelectedItem.ToString();
functionLabel.Text = $"f(x) = {functionInfix}";
functionPostfix = Parser.ConvertToPostfix(functionInfix);
ViewPort = Painter.DrawCurve(penForCurve, Parser.GetValues(functionPostfix,
Scale, Painter.CoordinatePlaneLocation.leftEdge, Painter.CoordinatePlaneLocation.rightEdge));
buffer = new Bitmap(ViewPort);
}