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#pragma once
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Toshihiro Shimizu 890ddd
#ifndef FUNCTION_SEGMENT_VIEWER_H
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#define FUNCTION_SEGMENT_VIEWER_H
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#include <array></array>
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#include <qlabel></qlabel>
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#include <qcombobox></qcombobox>
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#include "tdoubleparam.h"
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#include "tdoublekeyframe.h"
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#include "toonzqt/lineedit.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TOONZQT_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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class FunctionSegmentPage;
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class FunctionSheet;
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class TXsheetHandle;
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class KeyframeSetter;
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class FunctionPanel;
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class QPushButton;
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class QStackedWidget;
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namespace DVGui {
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class MeasuredDoubleLineEdit;
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class ExpressionField;
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class FileField;
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}  // namespace DVGui
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//-----------------------------------------------------------------------------
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class FunctionSegmentViewer final : public QFrame, public TParamObserver {
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  Q_OBJECT
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  TDoubleParam *m_curve;
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  int m_segmentIndex;
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  int m_r0, m_r1;
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  QWidget *m_topbar;
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  QLineEdit *m_fromFld;
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  QLineEdit *m_toFld;
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  QLabel *m_paramNameLabel;
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  QComboBox *m_typeCombo;
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  DVGui::LineEdit *m_stepFld;
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  QStackedWidget *m_parametersPanel;
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  std::array<functionsegmentpage *,="" 9=""> m_pages;</functionsegmentpage>
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  std::array<int, 9=""> m_typeId;</int,>
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  FunctionSheet *m_sheet;
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  TXsheetHandle *m_xshHandle;
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  FunctionPanel *m_panel;
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  // buttons for move segments
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  QPushButton *m_prevCurveButton;
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  QPushButton *m_nextCurveButton;
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  QPushButton *m_prevLinkButton;
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  QPushButton *m_nextLinkButton;
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public:
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  FunctionSegmentViewer(QWidget *parent, FunctionSheet *sheet = 0,
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                        FunctionPanel *panel = 0);
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  ~FunctionSegmentViewer();
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  TDoubleParam *getCurve() const { return m_curve; }
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  int getR0() const { return m_r0; }
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  int getR1() const { return m_r1; }
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  int getSegmentIndex() const { return m_segmentIndex; }
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  void refresh();
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  // overridden from TDoubleParamObserver
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  void onChange(const TParamChange &) override { refresh(); }
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  void setXsheetHandle(TXsheetHandle *xshHandle) { m_xshHandle = xshHandle; }
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  bool anyWidgetHasFocus();
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  // in order to avoid FunctionViewer to get focus while editing the expression
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  bool isExpressionPageActive();
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private:
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  int typeToIndex(int type) const;
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  int indexToType(int typeIndex) const { return m_typeId[typeIndex]; }
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  bool segmentIsValid() const;
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  // for displaying the types of neighbor segments
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  QString typeToString(int type) const;
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private slots:
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  void onSegmentTypeChanged(int type);
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  void onCurveChanged();
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  void onStepFieldChanged(const QString &);
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  void onApplyButtonPressed();
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  void onPrevCurveButtonPressed();
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  void onNextCurveButtonPressed();
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  void onPrevLinkButtonPressed();
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  void onNextLinkButtonPressed();
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public slots:
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  void setSegment(TDoubleParam *curve, int segmentIndex);
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  void setSegmentByFrame(TDoubleParam *curve, int frame);
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};
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//-----------------------------------------------------------------------------
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class FunctionSegmentPage : public QWidget {
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  Q_OBJECT
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  FunctionSegmentViewer *m_viewer;
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public:
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  FunctionSegmentPage(FunctionSegmentViewer *parent);
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  ~FunctionSegmentPage();
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  FunctionSegmentViewer *getViewer() const { return m_viewer; }
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  TDoubleParam *getCurve() const { return m_viewer->getCurve(); }
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  int getR0() const { return m_viewer->getR0(); }
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  int getR1() const { return m_viewer->getR1(); }
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  virtual void refresh() = 0;
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  virtual void apply()   = 0;
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  virtual void init(int segmentLength) = 0;
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public slots:
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  void onFieldChanged() { apply(); }
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};
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//-----------------------------------------------------------------------------
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class SpeedInOutSegmentPage final : public FunctionSegmentPage {
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  Q_OBJECT
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  DVGui::LineEdit *m_speed0xFld;
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  DVGui::MeasuredDoubleLineEdit *m_speed0yFld;
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  DVGui::LineEdit *m_speed1xFld;
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  DVGui::MeasuredDoubleLineEdit *m_speed1yFld;
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  DVGui::MeasuredDoubleLineEdit *m_firstSpeedFld;
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  DVGui::MeasuredDoubleLineEdit *m_lastSpeedFld;
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public:
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  SpeedInOutSegmentPage(FunctionSegmentViewer *parent = 0);
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  void refresh() override;
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  void apply() override{};
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  void getGuiValues(TPointD &speedIn, TPointD &speedOut);
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  void init(int segmentLength) override;
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public slots:
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  void onFirstHandleXChanged();
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  void onFirstHandleYChanged();
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  void onLastHandleXChanged();
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  void onLastHandleYChanged();
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  void onFirstSpeedChanged();
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  void onLastSpeedChanged();
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};
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//-----------------------------------------------------------------------------
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class EaseInOutSegmentPage final : public FunctionSegmentPage {
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  Q_OBJECT
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  DVGui::MeasuredDoubleLineEdit *m_ease0Fld, *m_ease1Fld;
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  double m_fieldScale;
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  bool m_isPercentage;
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public:
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  EaseInOutSegmentPage(bool percentage, FunctionSegmentViewer *parent = 0);
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  void refresh() override;
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  void apply() override {}
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  void getGuiValues(TPointD &easeIn, TPointD &easeOut);
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  void init(int segmentLength) override;
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public slots:
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  void onEase0Changed();
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  void onEase1Changed();
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};
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//-----------------------------------------------------------------------------
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class FunctionExpressionSegmentPage final : public FunctionSegmentPage {
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  Q_OBJECT
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  DVGui::ExpressionField *m_expressionFld;
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  DVGui::LineEdit *m_unitFld;
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public:
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  FunctionExpressionSegmentPage(FunctionSegmentViewer *parent = 0);
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  void refresh() override;
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  void apply() override;
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  // return false if a circular reference is occurred
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  bool getGuiValues(std::string &expressionText, std::string &unitName);
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  void init(int segmentLength) override;
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};
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//-----------------------------------------------------------------------------
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class SimilarShapeSegmentPage final : public FunctionSegmentPage {
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  Q_OBJECT
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  DVGui::ExpressionField *m_expressionFld;
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  DVGui::LineEdit *m_offsetFld;
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public:
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  SimilarShapeSegmentPage(FunctionSegmentViewer *parent = 0);
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  void refresh() override;
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  void apply() override;
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  void init(int segmentLength) override;
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  void getGuiValues(std::string &expressionText, double &similarShapeOffset);
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};
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//-----------------------------------------------------------------------------
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class FileSegmentPage final : public FunctionSegmentPage {
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  Q_OBJECT
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  DVGui::FileField *m_fileFld;
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  DVGui::LineEdit *m_fieldIndexFld;
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  DVGui::LineEdit *m_measureFld;
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public:
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  FileSegmentPage(FunctionSegmentViewer *parent = 0);
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  void refresh() override;
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  void init(int segmentLength) override;
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  void apply() override;
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  void getGuiValues(TDoubleKeyframe::FileParams &fileParam,
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                    std::string &unitName);
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};
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#endif