private void ScallingBtn_Click(object sender, RoutedEventArgs e)
{
if (IsLoaded)
{
if (KeysPressed.Contains(Key.LeftShift))
{
Graph.Xmap = 0.01;
Graph.Ymap = 0.01;
Graph.DrawCartesian();
Graph.DrawGrid();
}
else
{
switch (Graph.ScallingMode)
{
case ScallingMode.Both:
Graph.ScallingMode = ScallingMode.X;
ScallingBtn.Content = "→";
break;
case ScallingMode.X:
Graph.ScallingMode = ScallingMode.Y;
ScallingBtn.Content = "↑";
break;
case ScallingMode.Y:
Graph.ScallingMode = ScallingMode.Both;
ScallingBtn.Content = "∟";
break;
}
}
}
}
private void MovingBtn_Click(object sender, RoutedEventArgs e)
{
if (IsLoaded)
{
if (KeysPressed.Contains(Key.LeftShift))
{
Graph.Origin = new Point(Graph.DrawingArea.ActualWidth / 2, Graph.DrawingArea.ActualHeight / 2);
Graph.DrawCartesian();
Graph.DrawGrid();
}
else
{
switch (Graph.MovingMode)
{
case MovingMode.Both:
Graph.MovingMode = MovingMode.X;
MovingBtn.Content = "►";
break;
case MovingMode.X:
Graph.MovingMode = MovingMode.Y;
MovingBtn.Content = "▲";
break;
case MovingMode.Y:
Graph.MovingMode = MovingMode.Both;
MovingBtn.Content = "+";
break;
}
}
}
}
private void PixelJumpSld_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
if (IsLoaded)
{
Graph.PixelJump = (int)PixelJumpSld.Value;
Graph.InitialiseGraph();
Graph.DrawCartesian();
}
}
private void FuncInput_TextChanged(object sender, TextChangedEventArgs e)
{
try
{
currentFunc = ExpressionParser.FromText(FuncInput.Text);
FuncInput.Foreground = Brushes.AntiqueWhite;
Graph.CurrentFunction = currentFunc;
Graph.DrawCartesian();
}
catch
{
FuncInput.Foreground = new SolidColorBrush(Color.FromArgb(255, 230, 150, 150));
}
}
