e1473dfe76
... The return codes were mostly ignored anyway, and exceptions will be thrown instead. It seems there was also confusion whether the return values of Track::Paste and Track::SyncLockAdjust were to indicate success or indicate whether there was any change. No matter now.
103 lines
2.1 KiB
C++
103 lines
2.1 KiB
C++
/**********************************************************************
|
|
|
|
Audacity: A Digital Audio Editor
|
|
|
|
Silence.cpp
|
|
|
|
Dominic Mazzoni
|
|
|
|
*******************************************************************//**
|
|
|
|
\class EffectSilence
|
|
\brief An effect to add silence.
|
|
|
|
*//*******************************************************************/
|
|
|
|
#include "../Audacity.h"
|
|
#include "Silence.h"
|
|
|
|
#include <wx/intl.h>
|
|
|
|
#include "../ShuttleGui.h"
|
|
#include "../WaveTrack.h"
|
|
|
|
EffectSilence::EffectSilence()
|
|
{
|
|
SetLinearEffectFlag(true);
|
|
}
|
|
|
|
EffectSilence::~EffectSilence()
|
|
{
|
|
}
|
|
|
|
// IdentInterface implementation
|
|
|
|
wxString EffectSilence::GetSymbol()
|
|
{
|
|
return SILENCE_PLUGIN_SYMBOL;
|
|
}
|
|
|
|
wxString EffectSilence::GetDescription()
|
|
{
|
|
return XO("Creates audio of zero amplitude");
|
|
}
|
|
|
|
// EffectIdentInterface implementation
|
|
|
|
EffectType EffectSilence::GetType()
|
|
{
|
|
return EffectTypeGenerate;
|
|
}
|
|
|
|
// Effect implementation
|
|
|
|
void EffectSilence::PopulateOrExchange(ShuttleGui & S)
|
|
{
|
|
S.StartVerticalLay();
|
|
{
|
|
S.StartHorizontalLay();
|
|
{
|
|
S.AddPrompt(_("Duration:"));
|
|
mDurationT = safenew
|
|
NumericTextCtrl(NumericConverter::TIME,
|
|
S.GetParent(),
|
|
wxID_ANY,
|
|
GetDurationFormat(),
|
|
GetDuration(),
|
|
mProjectRate,
|
|
wxDefaultPosition,
|
|
wxDefaultSize,
|
|
true);
|
|
mDurationT->SetName(_("Duration"));
|
|
mDurationT->EnableMenu();
|
|
S.AddWindow(mDurationT, wxALIGN_CENTER | wxALL);
|
|
}
|
|
S.EndHorizontalLay();
|
|
}
|
|
S.EndVerticalLay();
|
|
|
|
return;
|
|
}
|
|
|
|
bool EffectSilence::TransferDataToWindow()
|
|
{
|
|
mDurationT->SetValue(GetDuration());
|
|
|
|
return true;
|
|
}
|
|
|
|
bool EffectSilence::TransferDataFromWindow()
|
|
{
|
|
SetDuration(mDurationT->GetValue());
|
|
|
|
return true;
|
|
}
|
|
|
|
bool EffectSilence::GenerateTrack(WaveTrack *tmp,
|
|
const WaveTrack & WXUNUSED(track),
|
|
int WXUNUSED(ntrack))
|
|
{
|
|
tmp->InsertSilence(0.0, GetDuration());
|
|
return true;
|
|
}
|