private void Plot_button_click(object sender, RoutedEventArgs e)
{
string expression = Screen.Text.Trim();
int sizeX = (int)Canvas.Width;
int sizeY = (int)Canvas.Height;
double minX = graph.getXLowerBound();
double maxX = graph.getXUpperBound();
double minY = graph.getYLowerBound();
double maxY = graph.getYUpperBound();
System.Drawing.Point currentPoint = new System.Drawing.Point();
System.Drawing.Point previousPoint = new System.Drawing.Point();
for (double x = minX; x < maxX; x += (maxX - minX) / sizeX)
{
Line line = new Line();
line.Stroke = System.Windows.Media.Brushes.Black;
double y = graph.getY(expression, x);
currentPoint.X = (int)(x / ((maxX - minX) / sizeX) - minX / ((maxX - minX) / (double)sizeX));
currentPoint.Y = (int)(sizeY - (y / ((maxY - minY) / sizeY) - minY / ((maxY - minY) / (double)sizeY)));
line.X1 = previousPoint.X;
line.Y1 = previousPoint.Y;
line.X2 = currentPoint.X;
line.Y2 = currentPoint.Y;
Canvas.Children.Add(line);
Console.WriteLine(line.X1 + ", " + line.Y1);
Console.WriteLine(line.X2 + ", " + line.Y2);
previousPoint = currentPoint;
}
TextBlock.AppendText(Screen.Text.Trim() + " is plotted\n");
}
private void equals_button_Click(object sender, RoutedEventArgs e)
{
//trim imput, send into parser
//get answer from parser, display on screen
double ans = parser.Parse(Screen.Text.Trim(), isRadians);
//add input and answer to history
TextBlock.AppendText(Screen.Text.Trim() + " = " + ans.ToString() + "\n");
TextBlock.ScrollToEnd();
//clear screen
Screen.Text = ButtonControl.ClearButtonPress(Screen.Text);
}
private void Print()
{
string new_text = Data.deta_time;
string fontName = (string)ComboBoxFont.SelectedItem;
double size = Convert.ToDouble(ComboBoxSize.SelectedItem) * 92.0 / 72.0;
TextBlock.Selection.ApplyPropertyValue(System.Windows.Controls.RichTextBox.FontSizeProperty, size);
TextBlock.Selection.ApplyPropertyValue(System.Windows.Controls.RichTextBox.FontFamilyProperty, fontName);
TextBlock.AppendText(new_text);
TextBlock.Focus();
}
