173 lines
4.0 KiB
C++
173 lines
4.0 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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EffectScienFilter.h
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Norm C
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Mitch Golden
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Vaughan Johnson (Preview)
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***********************************************************************/
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#ifndef __AUDACITY_EFFECT_SCIENFILTER__
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#define __AUDACITY_EFFECT_SCIENFILTER__
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#include <wx/setup.h> // for wxUSE_* macros
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#include "Biquad.h"
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#include "Effect.h"
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class wxBitmap;
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class wxChoice;
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class wxSlider;
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class wxStaticText;
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class wxTextCtrl;
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class RulerPanel;
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class ShuttleGui;
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class EffectScienFilterPanel;
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class EffectScienFilter final : public Effect
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{
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public:
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static const ComponentInterfaceSymbol Symbol;
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EffectScienFilter();
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virtual ~EffectScienFilter();
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// ComponentInterface implementation
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ComponentInterfaceSymbol GetSymbol() override;
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TranslatableString GetDescription() override;
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ManualPageID ManualPage() override;
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// EffectDefinitionInterface implementation
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EffectType GetType() override;
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// EffectClientInterface implementation
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unsigned GetAudioInCount() override;
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unsigned GetAudioOutCount() override;
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bool ProcessInitialize(sampleCount totalLen, ChannelNames chanMap = NULL) override;
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size_t ProcessBlock(float **inBlock, float **outBlock, size_t blockLen) override;
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bool DefineParams( ShuttleParams & S ) override;
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bool GetAutomationParameters(CommandParameters & parms) override;
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bool SetAutomationParameters(CommandParameters & parms) override;
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// Effect implementation
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bool Startup() override;
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bool Init() override;
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void PopulateOrExchange(ShuttleGui & S) override;
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bool TransferDataToWindow() override;
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bool TransferDataFromWindow() override;
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private:
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// EffectScienFilter implementation
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bool TransferGraphLimitsFromWindow();
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void CalcFilter();
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float FilterMagnAtFreq(float Freq);
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void EnableDisableRippleCtl (int FilterType);
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void OnSize( wxSizeEvent & evt );
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void OnSlider( wxCommandEvent & evt );
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void OnOrder( wxCommandEvent & evt );
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void OnCutoff( wxCommandEvent & evt );
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void OnRipple( wxCommandEvent & evt );
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void OnStopbandRipple( wxCommandEvent & evt );
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void OnFilterType( wxCommandEvent & evt );
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void OnFilterSubtype( wxCommandEvent & evt );
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void OnSliderDBMAX( wxCommandEvent & evt );
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void OnSliderDBMIN( wxCommandEvent & evt );
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private:
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float mCutoff;
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float mRipple;
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float mStopbandRipple;
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int mFilterType; // Butterworth etc.
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int mFilterSubtype; // lowpass, highpass
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int mOrder;
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int mOrderIndex;
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ArrayOf<Biquad> mpBiquad;
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double mdBMax;
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double mdBMin;
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bool mEditingBatchParams;
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double mLoFreq;
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double mNyquist;
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EffectScienFilterPanel *mPanel;
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wxSlider *mdBMinSlider;
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wxSlider *mdBMaxSlider;
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wxStaticText *mRippleCtlP;
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wxTextCtrl *mRippleCtl;
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wxStaticText *mRippleCtlU;
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wxTextCtrl *mCutoffCtl;
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wxStaticText *mStopbandRippleCtlP;
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wxTextCtrl *mStopbandRippleCtl;
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wxStaticText *mStopbandRippleCtlU;
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wxChoice *mFilterTypeCtl;
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wxChoice *mFilterSubTypeCtl;
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wxChoice *mFilterOrderCtl;
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RulerPanel *mdBRuler;
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RulerPanel *mfreqRuler;
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DECLARE_EVENT_TABLE()
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friend class EffectScienFilterPanel;
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};
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class EffectScienFilterPanel final : public wxPanelWrapper
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{
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public:
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EffectScienFilterPanel(
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wxWindow *parent, wxWindowID winid,
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EffectScienFilter *effect, double lo, double hi);
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virtual ~EffectScienFilterPanel();
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// We don't need or want to accept focus.
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bool AcceptsFocus() const;
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// So that wxPanel is not included in Tab traversal - see wxWidgets bug 15581
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bool AcceptsFocusFromKeyboard() const;
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void SetFreqRange(double lo, double hi);
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void SetDbRange(double min, double max);
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private:
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void OnPaint(wxPaintEvent & evt);
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void OnSize(wxSizeEvent & evt);
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private:
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EffectScienFilter *mEffect;
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wxWindow *mParent;
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double mLoFreq;
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double mHiFreq;
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double mDbMin;
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double mDbMax;
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std::unique_ptr<wxBitmap> mBitmap;
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wxRect mEnvRect;
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int mWidth;
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int mHeight;
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friend class EffectScienFilter;
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DECLARE_EVENT_TABLE()
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};
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#endif
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