public void OnBiquadsChanged(BiquadsChangedEventArgs e)
{
EventHandler <BiquadsChangedEventArgs> handler = BiquadsChanged;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// This function is called when a biquad parameter has been changed
/// </summary>
protected virtual void OnChangeBiquads(object sender, BiquadsChangedEventArgs pf)
{
var model1 = (PeqDataViewModel)sender;
IsCustom = true;
if (pf.PeqField == PeqField.FilterType &&
!model1.HasBandwidth())
{
RemoveBandwith(model1);
}
_actionForField[pf.PeqField](pf, model1);
RedrawMasterLine();
}
private void TypeChanged(BiquadsChangedEventArgs bf, PeqDataViewModel vm)
{
if ((vm.FilterType != FilterType.LinkWitzHp && vm.FilterType != FilterType.LinkWitzLp && vm.Order < 3) &&
(bf.RequestFilterType == FilterType.LinkWitzHp || bf.RequestFilterType == FilterType.LinkWitzLp) &&
(DataModel.PEQ.RequiredBiquads() >= (int)DataModel.SpeakerPeqType))
{
bf.Cancel = true;
vm.ResetType();
return;
}
vm.SetType(bf.RequestFilterType);
vm.SetOrder(2);
vm.UpdateFilterType();
UpdateBiquads(vm);
SendParamData(vm.PeqDataModel);
}
private void OrderChanged(BiquadsChangedEventArgs bf, PeqDataViewModel vm)
{
//check if this change fits in current filter:
//value has to be smaller than current value;
//the order is odd. In this case half of a biquad is used already;
//There is space left.
var oldValue = vm.Order;
vm.SetOrder(bf.RequestOrder);
if (DataModel.PEQ.RequiredBiquads() <= (int)DataModel.SpeakerPeqType)
{
vm.SetOrder(bf.RequestOrder);
vm.UpdateFilterType();
UpdateBiquads(vm);
SendParamData(vm.PeqDataModel);
}
else
{
vm.SetOrder(oldValue);
bf.Cancel = true;
}
}
private void FilterChanged(BiquadsChangedEventArgs bf, PeqDataViewModel vm)
{
SendParamData(vm.PeqDataModel);
}