mirror of
https://github.com/cookiengineer/audacity
synced 2025-10-21 14:02:57 +02:00
Locate and position the current Audacity source code, and clear a variety of old junk out of the way into junk-branches
This commit is contained in:
ra
463
src/effects/TimeScale.cpp
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463
src/effects/TimeScale.cpp
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/**********************************************************************
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Audacity: A Digital Audio Editor
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TimeScale.cpp
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Clayton Otey
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*******************************************************************//**
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\class EffectTimeScale
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\brief An EffectTimeScale does high quality sliding time scaling/pitch shifting
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*//****************************************************************//**
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\class TimeScaleDialog
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\brief Dialog used with EffectTimeScale
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*//*******************************************************************/
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#include "../Audacity.h" // for USE_SBSMS
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#if USE_SBSMS
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#include "TimeScale.h"
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#include "../ShuttleGui.h"
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#include <math.h>
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#include <wx/sizer.h>
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#include <wx/stattext.h>
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#include <wx/textctrl.h>
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#include <wx/checkbox.h>
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#include <wx/valtext.h>
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//
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// EffectTimeScale
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//
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EffectTimeScale::EffectTimeScale()
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{
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m_RateStart = 0;
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m_RateEnd = 0;
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m_HalfStepsStart = 0;
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m_HalfStepsEnd = 0;
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m_PreAnalyze = false;
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}
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wxString EffectTimeScale::GetEffectDescription() {
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// Note: This is useful only after change amount has been set.
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return wxString::Format(_("Applied effect: %s"), this->GetEffectName().c_str());
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}
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bool EffectTimeScale::Init()
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{
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return true;
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}
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bool EffectTimeScale::PromptUser()
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{
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TimeScaleDialog dlog(this, mParent);
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dlog.m_RateStart = m_RateStart;
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dlog.m_RateEnd = m_RateEnd;
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dlog.m_HalfStepsStart = m_HalfStepsStart;
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dlog.m_HalfStepsEnd = m_HalfStepsEnd;
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dlog.m_PreAnalyze = m_PreAnalyze;
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// Don't need to call TransferDataToWindow, although other
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// Audacity dialogs (from which I derived this one) do it, because
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// ShowModal calls stuff that eventually calls wxWindowBase::OnInitDialog,
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// which calls dlog.TransferDataToWindow();
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dlog.CentreOnParent();
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dlog.ShowModal();
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if (dlog.GetReturnCode() == wxID_CANCEL)
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return false;
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m_RateStart = dlog.m_RateStart;
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m_RateEnd = dlog.m_RateEnd;
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m_HalfStepsStart = dlog.m_HalfStepsStart;
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m_HalfStepsEnd = dlog.m_HalfStepsEnd;
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m_PreAnalyze = dlog.m_PreAnalyze;
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return true;
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}
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bool EffectTimeScale::TransferParameters( Shuttle & shuttle )
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{
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shuttle.TransferDouble(wxT("RateStart"),m_RateStart,0.0);
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shuttle.TransferDouble(wxT("RateEnd"),m_RateEnd,0.0);
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shuttle.TransferDouble(wxT("HalfStepsStart"),m_HalfStepsStart,0.0);
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shuttle.TransferDouble(wxT("HalfStepsEnd"),m_HalfStepsEnd,0.0);
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shuttle.TransferBool(wxT("PreAnalyze"),m_PreAnalyze,false);
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return true;
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}
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bool EffectTimeScale::Process()
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{
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double pitchStart = pow(2.0,-(m_HalfStepsStart)/12.0);
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double pitchEnd = pow(2.0,-(m_HalfStepsEnd)/12.0);
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double rateStart = (100.0+m_RateStart)/100.0;
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double rateEnd = (100.0+m_RateEnd)/100.0;
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int quality = 1;
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this->EffectSBSMS::setParameters(rateStart,rateEnd,pitchStart,pitchEnd,quality,m_PreAnalyze);
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return this->EffectSBSMS::Process();
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}
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//----------------------------------------------------------------------------
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// TimeScaleDialog
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//----------------------------------------------------------------------------
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#define RATE_MAX 150
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#define RATE_DEFAULT 0
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#define RATE_MIN -75
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#define HALFSTEPS_MIN -12
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#define HALFSTEPS_MAX 12
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#define ID_TEXT_RATE_START 10001
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#define ID_TEXT_RATE_END 10002
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#define ID_TEXT_HALFSTEPS_START 10003
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#define ID_TEXT_HALFSTEPS_END 10004
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#define ID_SLIDER_RATE_START 10007
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#define ID_SLIDER_RATE_END 10008
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#define ID_CHECKBOX_PREANALYZE 10009
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// event table for TimeScaleDialog
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BEGIN_EVENT_TABLE(TimeScaleDialog, EffectDialog)
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EVT_TEXT(ID_TEXT_RATE_START, TimeScaleDialog::OnText_RateStart)
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EVT_TEXT(ID_TEXT_RATE_END, TimeScaleDialog::OnText_RateEnd)
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EVT_TEXT(ID_TEXT_HALFSTEPS_START, TimeScaleDialog::OnText_HalfStepsStart)
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EVT_TEXT(ID_TEXT_HALFSTEPS_END, TimeScaleDialog::OnText_HalfStepsEnd)
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EVT_SLIDER(ID_SLIDER_RATE_START, TimeScaleDialog::OnSlider_RateStart)
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EVT_SLIDER(ID_SLIDER_RATE_END, TimeScaleDialog::OnSlider_RateEnd)
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EVT_CHECKBOX(ID_CHECKBOX_PREANALYZE, TimeScaleDialog::OnCheckBox_PreAnalyze)
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END_EVENT_TABLE()
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TimeScaleDialog::TimeScaleDialog(EffectTimeScale *effect, wxWindow *parent)
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: EffectDialog(parent, _("Time Scale"), INSERT_EFFECT),
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mEffect(effect)
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{
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m_bLoopDetect = false;
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// NULL out these control members because there are some cases where the
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// event table handlers get called during this method, and those handlers that
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// can cause trouble check for NULL.
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m_pTextCtrl_RateStart = NULL;
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m_pTextCtrl_RateEnd = NULL;
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m_pSlider_RateStart = NULL;
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m_pSlider_RateEnd = NULL;
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m_pTextCtrl_HalfStepsStart = NULL;
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m_pTextCtrl_HalfStepsEnd = NULL;
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m_pCheckBox_PreAnalyze = NULL;
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// effect parameters
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m_RateStart = 0;
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m_RateEnd = 0;
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m_HalfStepsStart = 0;
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m_HalfStepsEnd = 0;
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m_PreAnalyze = false;
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Init();
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}
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void TimeScaleDialog::PopulateOrExchange(ShuttleGui & S)
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{
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wxTextValidator nullvld(wxFILTER_INCLUDE_CHAR_LIST);
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wxTextValidator numvld(wxFILTER_NUMERIC);
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S.SetBorder(10);
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S.StartHorizontalLay(wxCENTER, false);
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{
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S.AddTitle(_("Sliding Time Scale/Pitch Shift") +
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wxString(wxT("\n")) +
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_("using SBSMS, by Clayton Otey"));
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}
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S.EndHorizontalLay();
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S.SetBorder(5);
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// Rate Text
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S.StartMultiColumn(2, wxCENTER);
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{
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m_pTextCtrl_RateStart = S.Id(ID_TEXT_RATE_START)
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.AddTextBox(_("Initial Tempo Change (%):"), wxT(""), 12);
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m_pTextCtrl_RateStart->SetValidator(numvld);
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m_pTextCtrl_RateEnd = S.Id(ID_TEXT_RATE_END)
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.AddTextBox(_("Final Tempo Change (%):"), wxT(""), 12);
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m_pTextCtrl_RateEnd->SetValidator(numvld);
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}
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S.EndMultiColumn();
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// Rate Slider
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S.StartHorizontalLay(wxEXPAND);
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{
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S.SetStyle(wxSL_HORIZONTAL);
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m_pSlider_RateStart = S.Id(ID_SLIDER_RATE_START)
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.AddSlider(wxT(""), (int)RATE_DEFAULT, (int)RATE_MAX, (int)RATE_MIN);
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m_pSlider_RateStart->SetName(_("Initial Tempo Change (%)"));
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}
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S.EndHorizontalLay();
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S.StartHorizontalLay(wxEXPAND);
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{
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S.SetStyle(wxSL_HORIZONTAL);
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m_pSlider_RateEnd = S.Id(ID_SLIDER_RATE_END)
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.AddSlider(wxT(""), (int)RATE_DEFAULT, (int)RATE_MAX, (int)RATE_MIN);
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m_pSlider_RateEnd->SetName(_("Final Tempo Change (%)"));
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}
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S.EndHorizontalLay();
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// HalfStep Text
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S.StartMultiColumn(2, wxCENTER);
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{
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m_pTextCtrl_HalfStepsStart = S.Id(ID_TEXT_HALFSTEPS_START)
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.AddTextBox(_("Initial Pitch Shift (semitones) [-12 to 12]:"), wxT(""), 12);
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m_pTextCtrl_HalfStepsStart->SetValidator(numvld);
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m_pTextCtrl_HalfStepsEnd = S.Id(ID_TEXT_HALFSTEPS_END)
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.AddTextBox(_("Final Pitch Shift (semitones) [-12 to 12]:"), wxT(""), 12);
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m_pTextCtrl_HalfStepsEnd->SetValidator(numvld);
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}
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S.EndMultiColumn();
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S.StartHorizontalLay(wxEXPAND);
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{
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S.SetStyle(wxSL_HORIZONTAL);
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m_pCheckBox_PreAnalyze = S.Id(ID_CHECKBOX_PREANALYZE)
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.AddCheckBox(wxT("Dynamic Transient Sharpening"), wxT("Dynamic Transient Sharpening"));
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}
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S.EndHorizontalLay();
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return;
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}
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bool TimeScaleDialog::TransferDataToWindow()
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{
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m_bLoopDetect = true;
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this->Update_Text_RateStart();
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this->Update_Slider_RateStart();
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this->Update_Text_RateEnd();
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this->Update_Slider_RateEnd();
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this->Update_Text_HalfStepsStart();
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this->Update_Text_HalfStepsEnd();
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this->Update_CheckBox_PreAnalyze();
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m_bLoopDetect = false;
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return true;
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}
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bool TimeScaleDialog::TransferDataFromWindow()
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{
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wxString str;
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if (m_pTextCtrl_RateStart) {
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str = m_pTextCtrl_RateStart->GetValue();
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double newValue = 0;
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str.ToDouble(&newValue);
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m_RateStart = newValue;
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}
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if (m_pTextCtrl_RateEnd) {
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str = m_pTextCtrl_RateEnd->GetValue();
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double newValue = 0;
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str.ToDouble(&newValue);
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m_RateEnd = newValue;
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}
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if (m_pTextCtrl_HalfStepsStart) {
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str = m_pTextCtrl_HalfStepsStart->GetValue();
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double newValue = 0;
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str.ToDouble(&newValue);
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m_HalfStepsStart = newValue;
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}
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if (m_pTextCtrl_HalfStepsEnd) {
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str = m_pTextCtrl_HalfStepsEnd->GetValue();
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double newValue = 0;
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str.ToDouble(&newValue);
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m_HalfStepsEnd = newValue;
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}
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if(m_pCheckBox_PreAnalyze) {
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m_PreAnalyze = m_pCheckBox_PreAnalyze->GetValue();
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}
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return true;
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}
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bool TimeScaleDialog::CheckParameters()
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{
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return
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(m_RateStart >= -90.0 && m_RateStart <= 500.0)
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&&
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(m_RateEnd >= -90.0 && m_RateEnd <= 500.0)
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&&
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(m_HalfStepsStart >= -12 && m_HalfStepsStart <=12)
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&&
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(m_HalfStepsEnd >= -12 && m_HalfStepsEnd <=12);
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}
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// handler implementations for TimeScaleDialog
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void TimeScaleDialog::OnText_RateStart(wxCommandEvent & event)
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{
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if (m_bLoopDetect)
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return;
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if (m_pTextCtrl_RateStart) {
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wxString str = m_pTextCtrl_RateStart->GetValue();
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double newValue = 0;
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str.ToDouble(&newValue);
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m_RateStart = newValue;
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m_bLoopDetect = true;
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this->Update_Slider_RateStart();
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m_bLoopDetect = false;
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FindWindow(wxID_OK)->Enable(CheckParameters());
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}
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}
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void TimeScaleDialog::OnText_RateEnd(wxCommandEvent & event)
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{
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if (m_bLoopDetect)
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return;
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if (m_pTextCtrl_RateEnd) {
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wxString str = m_pTextCtrl_RateEnd->GetValue();
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double newValue = 0;
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str.ToDouble(&newValue);
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m_RateEnd = newValue;
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m_bLoopDetect = true;
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this->Update_Slider_RateEnd();
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m_bLoopDetect = false;
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FindWindow(wxID_OK)->Enable(CheckParameters());
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}
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}
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void TimeScaleDialog::OnSlider_RateStart(wxCommandEvent & event)
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{
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if (m_bLoopDetect)
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return;
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if (m_pSlider_RateStart) {
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m_RateStart = (double)(m_pSlider_RateStart->GetValue());
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m_bLoopDetect = true;
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this->Update_Text_RateStart();
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m_bLoopDetect = false;
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}
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}
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void TimeScaleDialog::OnSlider_RateEnd(wxCommandEvent & event)
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{
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if (m_bLoopDetect)
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return;
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if (m_pSlider_RateEnd) {
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m_RateEnd = (double)(m_pSlider_RateEnd->GetValue());
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m_bLoopDetect = true;
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this->Update_Text_RateEnd();
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m_bLoopDetect = false;
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}
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}
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void TimeScaleDialog::OnText_HalfStepsStart(wxCommandEvent & event)
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{
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if (m_pTextCtrl_HalfStepsStart) {
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wxString str = m_pTextCtrl_HalfStepsStart->GetValue();
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double newValue = 0;
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str.ToDouble(&newValue);
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m_HalfStepsStart = newValue;
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FindWindow(wxID_OK)->Enable(CheckParameters());
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}
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}
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void TimeScaleDialog::OnText_HalfStepsEnd(wxCommandEvent & event)
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{
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if (m_pTextCtrl_HalfStepsEnd) {
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wxString str = m_pTextCtrl_HalfStepsEnd->GetValue();
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double newValue = 0;
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str.ToDouble(&newValue);
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m_HalfStepsEnd = newValue;
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FindWindow(wxID_OK)->Enable(CheckParameters());
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}
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}
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void TimeScaleDialog::OnCheckBox_PreAnalyze(wxCommandEvent & event)
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{
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if (m_pCheckBox_PreAnalyze) {
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m_PreAnalyze = m_pCheckBox_PreAnalyze->GetValue();
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}
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}
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void TimeScaleDialog::Update_Text_RateStart()
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{
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if (m_pTextCtrl_RateStart) {
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wxString str;
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str.Printf(wxT("%.3f"), m_RateStart);
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m_pTextCtrl_RateStart->SetValue(str);
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}
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}
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void TimeScaleDialog::Update_Text_RateEnd()
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{
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if (m_pTextCtrl_RateEnd) {
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wxString str;
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str.Printf(wxT("%.3f"), m_RateEnd);
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m_pTextCtrl_RateEnd->SetValue(str);
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}
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}
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void TimeScaleDialog::Update_Slider_RateStart()
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{
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if (m_pSlider_RateStart) {
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m_pSlider_RateStart->SetValue((int)(m_RateStart + 0.5));
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}
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}
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void TimeScaleDialog::Update_Slider_RateEnd()
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{
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if (m_pSlider_RateEnd) {
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m_pSlider_RateEnd->SetValue((int)(m_RateEnd + 0.5));
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}
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}
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void TimeScaleDialog::Update_Text_HalfStepsStart()
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{
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if (m_pTextCtrl_HalfStepsStart) {
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wxString str;
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str.Printf(wxT("%.3f"), m_HalfStepsStart);
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m_pTextCtrl_HalfStepsStart->SetValue(str);
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}
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}
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void TimeScaleDialog::Update_Text_HalfStepsEnd()
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{
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if (m_pTextCtrl_HalfStepsEnd) {
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wxString str;
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str.Printf(wxT("%.3f"), m_HalfStepsEnd);
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m_pTextCtrl_HalfStepsEnd->SetValue(str);
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}
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}
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void TimeScaleDialog::Update_CheckBox_PreAnalyze()
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{
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if (m_pCheckBox_PreAnalyze) {
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m_pCheckBox_PreAnalyze->SetValue(m_PreAnalyze);
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}
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}
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#endif
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