public void DrawValueLabel(double value)
{
if (Maximum - Minimum <= 0)
{
return;
}
Label nLabel = new Label();
nLabel.Content = Math.Round(LinExpConvert.ConvertBack(value, Minimum, Maximum, true, false), DecimalPlaces).ToString();
nLabel.FontSize = 8;
nLabel.HorizontalAlignment = HorizontalAlignment.Stretch;
nLabel.VerticalAlignment = VerticalAlignment.Bottom;
nLabel.Foreground = (SolidColorBrush)Application.Current.Resources["Text"];
nLabel.Tag = "ValueLabel";
nLabel.VerticalContentAlignment = VerticalAlignment.Center;
nLabel.Padding = new Thickness(0);
Slider s = (Slider)FindName("VSlider");
double newY = (value / (Maximum - Minimum)) * (s.ActualHeight - 20) - (s.ActualHeight - 20) * (Minimum / (Maximum - Minimum)) + 10; //+5 to account for internal padding in the slider
newY -= (nLabel.FontSize + nLabel.Padding.Bottom + nLabel.Padding.Top) / 2; //This should work to calculate the height of the element
//Console.WriteLine("Creating value label @" + newY + " //Value=" + LinToExp(value).ToString());
nLabel.Margin = new Thickness(0, 0, 0, newY);
Grid g = (Grid)FindName("SliderGrid");
Grid.SetRow(nLabel, 0);
Grid.SetColumn(nLabel, 2);
g.Children.Add(nLabel);
}
private double CalculateBellEQGain(EQ.Band band, double x)
{
double freq = LinExpConvert.Convert(band.Freq, band.Freq.Min, band.Freq.Max);
double gain = LinExpConvert.Convert(band.Gain, band.Gain.Min, band.Gain.Max);
double q = band.Q;//LinExpConvert.Convert(band.Q, band.Q.Min, band.Q.Max);
return(gain * Math.Exp(-((x - freq) * (x - freq)) / (2 * (W_FACTOR / q) * (W_FACTOR / q))));
}
private double CalculateFilterEQGain(EQ.Band band, double x)
{
double freq = LinExpConvert.Convert(band.Freq, band.Freq.Min, band.Freq.Max);
double gain = LinExpConvert.Convert(band.Gain, band.Gain.Min, band.Gain.Max);
double q = band.Q;// LinExpConvert.Convert(band.Q, band.Q.Min, band.Q.Max);
return(-Math.Exp(-(x - freq) / (1.5 * W_FACTOR)));
}
private void Ellipse_MouseMove(object sender, MouseEventArgs e)
{
if (isMouseDown)
{
Point newMousePosition = GetMousePos(); // e.GetPosition((Ellipse)sender); This is better
double dY = previousMousePosition.Y - newMousePosition.Y; //(previousMousePosition.Y - newMousePosition.Y);
if (newMousePosition.Y >= System.Windows.SystemParameters.PrimaryScreenHeight - 1)
{
int x = (int)newMousePosition.X;
int y = 0;
SetCursorPos(x, y);
previousMousePosition.Y = -1;
}
else if (newMousePosition.Y <= 1)
{
int x = (int)newMousePosition.X;
int y = (int)System.Windows.SystemParameters.PrimaryScreenHeight;
SetCursorPos(x, y);
previousMousePosition.Y = System.Windows.SystemParameters.PrimaryScreenHeight + 1;
}
if (Math.Abs(dY) > mouseMoveThreshold)
{
double aval = Math.Abs(Value);
//Value += Math.Sign(dY) * Step * SettingsManager.Settings.KnobSensistivity;
//Conver to linear space before adding the change to create the exponential response
double nVal = Value;
if (Exponential)
{
nVal = LinExpConvert.Convert(nVal, Minimum, Maximum);
}
nVal += Math.Sign(dY) * Step * SettingsManager.Settings.KnobSensistivity;
if (Exponential)
{
nVal = LinExpConvert.ConvertBack(Math.Clamp(nVal, Minimum, Maximum), Minimum, Maximum);
}
if (double.IsNaN(nVal))
{
nVal = 0;
}
SetCurrentValue(ValueProperty, nVal);
previousMousePosition = newMousePosition;
}
}
}
private void Ellipse_MouseWheel(object sender, MouseWheelEventArgs e)
{
double d = e.Delta / 120; // Mouse wheel 1 click (120 delta) = 1 step
d *= 2; //Just make it a bit more sensitive
double nVal = Value;
if (Exponential)
{
nVal = LinExpConvert.Convert(nVal, Minimum, Maximum);
}
nVal += Math.Sign(d) * Step * SettingsManager.Settings.KnobSensistivity;
if (Exponential)
{
nVal = LinExpConvert.ConvertBack(Math.Clamp(nVal, Minimum, Maximum), Minimum, Maximum);
}
SetCurrentValue(ValueProperty, nVal);
}
