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#pragma once
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#ifndef IMAGEUTILS_H
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#define IMAGEUTILS_H
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// TnzBase includes
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#include "trasterfx.h"
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// TnzCore includes
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#include "tregion.h"
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#include "tvectorimage.h"
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// Qt includes
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#include <qwidget></qwidget>
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#include <qkeyevent></qkeyevent>
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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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//=============================================================================
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//    Forward declarations
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class TFilePath;
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class TPropertyGroup;
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// enum TRenderSettings::ResampleQuality;
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class QHBoxLayout;
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//=============================================================================
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namespace ImageUtils {
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/*!
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  \brief    Notify that a task on a single frame is completed.
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*/
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class DVAPI FrameTaskNotifier final : public QObject {
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  Q_OBJECT
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  int m_errorCount, m_warningCount;
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  bool m_abort;
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public:
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  FrameTaskNotifier() : m_errorCount(0), m_warningCount(0), m_abort(false) {}
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  ~FrameTaskNotifier() {}
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  void notifyFrameCompleted(int frame) { emit frameCompleted(frame); }
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  void notifyError() {
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    m_errorCount++;
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    emit error();
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  }
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  void notifyLevelCompleted(const TFilePath &fullPath) {
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    emit levelCompleted(fullPath);
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  }
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  bool abortTask() { return m_abort; }
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  void reset() { m_abort = false; }
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  int getErrorCount() const { return m_errorCount; }
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signals:
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  void frameCompleted(int);
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  void levelCompleted(const TFilePath &fullPath);
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  void error();
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protected slots:
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  void onCancelTask() { m_abort = true; }
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};
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//----------------------------------------------------
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TFilePath DVAPI duplicate(const TFilePath &levelPath);
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void DVAPI premultiply(const TFilePath &levelPath);
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void DVAPI convert(
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    const TFilePath &source,  //!< Level path to convert from.
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    const TFilePath &dest,    //!< Level path to convert to.
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    const TFrameId &from,     //!< First source frame to convert. Supports
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                              //! TFrameId::EMPTY_FRAME
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    //!  to specify conversion from the beginning of level.
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    const TFrameId
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        &to,  //!< Last source frame to convert. Supports TFrameId::EMPTY_FRAME
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              //!  to specify conversion to the end of level.
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    double framerate,      //!< Frame rate for destination movie formats.
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    TPropertyGroup *prop,  //!< Format properties for the destination level.
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    FrameTaskNotifier
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        *frameNotifier,  //!< Observer class for frame success notifications.
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    const TPixel &bgColor =
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        TPixel::Transparent,  //!< Destination Background color.
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    bool removeDotBeforeFrameNumber =
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        false /*-- ConvertPopup
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                 での指定に合わせて、[レベル名].[フレーム番号].[拡張子]のうち、
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                                                                                          [レベル名]と[フレーム番号]の間のドットを消す。 --*/
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    );        //!< Converts a saved level to fullcolor, and saves the result.
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void DVAPI convertNaa2Tlv(
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    const TFilePath &source,  //!< Level path to convert from.
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    const TFilePath &dest,    //!< Level path to convert to.
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    const TFrameId &from,     //!< First source frame to convert.
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    const TFrameId &to,       //!< Last source frame to convert.
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    FrameTaskNotifier
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        *frameNotifier,  //!< Observer class for frame success notifications.
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    TPalette *palette =
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        0,  //!< Special conversion function from an antialiased level to tlv.
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            //!  \sa  Function ImageUtils::convert().
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    bool removeUnusedStyles = false,
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    double dpi = 0.0);  //! Remove unused styles from input palette.
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// convert old levels (tzp / tzu) to tlv
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void DVAPI convertOldLevel2Tlv(
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    const TFilePath &source,  //!< Level path to convert from.
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    const TFilePath &dest,    //!< Level path to convert to.
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    const TFrameId &from,     //!< First source frame to convert.
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    const TFrameId &to,       //!< Last source frame to convert.
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    FrameTaskNotifier
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        *frameNotifier  //!< Observer class for frame success notifications.
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    );
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double DVAPI getQuantizedZoomFactor(double zf, bool forward);
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void DVAPI getFillingInformationOverlappingArea(
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    const TVectorImageP &vi, std::vector<tfilledregioninf> ®s,</tfilledregioninf>
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    const TRectD &area1, const TRectD &area2 = TRectD());
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void DVAPI getFillingInformationInArea(const TVectorImageP &vi,
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                                       std::vector<tfilledregioninf> ®s,</tfilledregioninf>
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                                       const TRectD &area);
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void DVAPI assignFillingInformation(TVectorImage &vi,
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                                    const std::vector<tfilledregioninf> ®s);</tfilledregioninf>
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void DVAPI getStrokeStyleInformationInArea(
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    const TVectorImageP &vi, std::vector<std::pair<int, int="">></std::pair<int,>
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                                 &strokesInfo,  // pair:strokeIndex, styleIndex
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    const TRectD &area);
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//*********************************************************************************************
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//    FullScreenWidget  declaration
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//*********************************************************************************************
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/*!
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  \brief    Temporary class used to deal with QTBUG #7556 - QGLWidgets going
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  fullscreen \a need
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            a containing widget that leaves a small margin to prevent the widget
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  from covering other
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            widgets (specifically, context menus).
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*/
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class DVAPI FullScreenWidget final : public QWidget {
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  Q_OBJECT
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  QWidget *m_widget;  //!< (Owned) The content widget.
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public:
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  FullScreenWidget(QWidget *parent = 0);
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  void setWidget(
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      QWidget *widget);  //!< Sets the content, surrendering ownership.
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  QWidget *widget() const { return m_widget; }
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public slots:
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  bool toggleFullScreen(bool quit = false);
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};
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//*********************************************************************************************
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//    ShortcutZoomer  declaration
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//*********************************************************************************************
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/*!
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  \brief    The ShortcutZoomer abstract base class is used by viewer widget to
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  access
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            shortcut-related commands.
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  \details  This class is a wrapper for shortcuts established by the
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  CommandManager
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            interface.
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            Subclass it defining the required view commands, then implement a
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            \p keyPressEvent() event handler in the viewer widget you want:
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            \code
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            void MyViewer::keyPressEvent(QKeyEvent* ke)
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            {
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              if(ViewerZoomer(this).exec(event))
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                return;
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              return MyViewerBase::keyPressEvent(ke);
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            }
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            \endcode
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  \warning  Use the FullScreenWidget class to wrap a viewer class that
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            needs to go fullscreen.
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*/
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class DVAPI ShortcutZoomer {
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  QWidget *m_widget;  //!< Viewer widget being processed.
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public:
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  ShortcutZoomer(
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      QWidget *viewerWidget);  //!< Constructs on the specified viewer widget.
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  QWidget *getWidget() {
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    return m_widget;
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  }  //!< Returns the processed viewer widget.
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  bool exec(
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      QKeyEvent *event);  //!< Processes a key event for shortcuts related to
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                          //!  viewer commands.
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                          //!  \return  Whether a shortcut was recognized.
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protected:
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  virtual bool zoom(
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      bool zoomin,
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      bool resetZoom) = 0;  //!< Handler for zoom commands. Required.
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  virtual bool fit() {
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    return false;
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  }  //!< Handler for 'fit to image' commands.
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  virtual bool setActualPixelSize() {
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    return false;
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  }  //!< Handler for 'use actual pixel size' commands.
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  virtual bool setFlipX() {
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    return false;
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  }  //!< Handler for 'flip viewer vertically' commands.
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  virtual bool setFlipY() {
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    return false;
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  }  //!< Handler for 'flip viewer horizontally' commands.
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  virtual bool toggleFullScreen(
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      bool quit = false)  //!  Handler for 'toggle fullscreen' commands.
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  {
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    return false;
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  }
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};
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}  // namespace ImageUtils
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#endif