#pragma once

#ifndef IMAGEUTILS_H

#define IMAGEUTILS_H

// TnzBase includes

#include "trasterfx.h"

// TnzCore includes

#include "tregion.h"

#include "tvectorimage.h"

// Qt includes

#include <qwidget></qwidget>

#include <qkeyevent></qkeyevent>

#undef DVAPI

#undef DVVAR

#ifdef TOONZQT_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//=============================================================================

//    Forward declarations

class TFilePath;

class TPropertyGroup;

// enum TRenderSettings::ResampleQuality;

class QHBoxLayout;

//=============================================================================

namespace ImageUtils {

/*!

  \brief    Notify that a task on a single frame is completed.

*/

class DVAPI FrameTaskNotifier final : public QObject {

  Q_OBJECT

  int m_errorCount, m_warningCount;

  bool m_abort;

public:

  FrameTaskNotifier() : m_errorCount(0), m_warningCount(0), m_abort(false) {}

  ~FrameTaskNotifier() {}

  void notifyFrameCompleted(int frame) { emit frameCompleted(frame); }

  void notifyError() {

    m_errorCount++;

    emit error();

  }

  void notifyLevelCompleted(const TFilePath &fullPath) {

    emit levelCompleted(fullPath);

  }

  bool abortTask() { return m_abort; }

  void reset() { m_abort = false; }

  int getErrorCount() const { return m_errorCount; }

signals:

  void frameCompleted(int);

  void levelCompleted(const TFilePath &fullPath);

  void error();

protected slots:

  void onCancelTask() { m_abort = true; }

};

//----------------------------------------------------

TFilePath DVAPI duplicate(const TFilePath &levelPath);

void DVAPI premultiply(const TFilePath &levelPath);

void DVAPI convert(

    const TFilePath &source,  //!< Level path to convert from.

    const TFilePath &dest,    //!< Level path to convert to.

    const TFrameId &from,     //!< First source frame to convert. Supports

                              //! TFrameId::EMPTY_FRAME

    //!  to specify conversion from the beginning of level.

    const TFrameId

        &to,  //!< Last source frame to convert. Supports TFrameId::EMPTY_FRAME

              //!  to specify conversion to the end of level.

    double framerate,      //!< Frame rate for destination movie formats.

    TPropertyGroup *prop,  //!< Format properties for the destination level.

    FrameTaskNotifier

        *frameNotifier,  //!< Observer class for frame success notifications.

    const TPixel &bgColor =

        TPixel::Transparent,  //!< Destination Background color.

    bool removeDotBeforeFrameNumber =

        false /*-- ConvertPopup

                 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、

                                                                                          [レベル名]と[フレーム番号]の間のドットを消す。 --*/

    );        //!< Converts a saved level to fullcolor, and saves the result.

void DVAPI convertNaa2Tlv(

    const TFilePath &source,  //!< Level path to convert from.

    const TFilePath &dest,    //!< Level path to convert to.

    const TFrameId &from,     //!< First source frame to convert.

    const TFrameId &to,       //!< Last source frame to convert.

    FrameTaskNotifier

        *frameNotifier,  //!< Observer class for frame success notifications.

    TPalette *palette =

        0,  //!< Special conversion function from an antialiased level to tlv.

            //!  \sa  Function ImageUtils::convert().

    bool removeUnusedStyles = false,

    double dpi = 0.0);  //! Remove unused styles from input palette.

// convert old levels (tzp / tzu) to tlv

void DVAPI convertOldLevel2Tlv(

    const TFilePath &source,  //!< Level path to convert from.

    const TFilePath &dest,    //!< Level path to convert to.

    const TFrameId &from,     //!< First source frame to convert.

    const TFrameId &to,       //!< Last source frame to convert.

    FrameTaskNotifier

        *frameNotifier  //!< Observer class for frame success notifications.

    );

double DVAPI getQuantizedZoomFactor(double zf, bool forward);

void DVAPI getFillingInformationOverlappingArea(

    const TVectorImageP &vi, std::vector<tfilledregioninf> ®s,</tfilledregioninf>

    const TRectD &area1, const TRectD &area2 = TRectD());

void DVAPI getFillingInformationInArea(const TVectorImageP &vi,

                                       std::vector<tfilledregioninf> ®s,</tfilledregioninf>

                                       const TRectD &area);

void DVAPI assignFillingInformation(TVectorImage &vi,

                                    const std::vector<tfilledregioninf> ®s);</tfilledregioninf>

void DVAPI getStrokeStyleInformationInArea(

    const TVectorImageP &vi, std::vector<std::pair<int, int="">></std::pair<int,>

                                 &strokesInfo,  // pair:strokeIndex, styleIndex

    const TRectD &area);

//*********************************************************************************************

//    FullScreenWidget  declaration

//*********************************************************************************************

/*!

  \brief    Temporary class used to deal with QTBUG #7556 - QGLWidgets going

  fullscreen \a need

            a containing widget that leaves a small margin to prevent the widget

  from covering other

            widgets (specifically, context menus).

*/

class DVAPI FullScreenWidget final : public QWidget {

  Q_OBJECT

  QWidget *m_widget;  //!< (Owned) The content widget.

public:

  FullScreenWidget(QWidget *parent = 0);

  void setWidget(

      QWidget *widget);  //!< Sets the content, surrendering ownership.

  QWidget *widget() const { return m_widget; }

public slots:

  bool toggleFullScreen(bool quit = false);

};

//*********************************************************************************************

//    ShortcutZoomer  declaration

//*********************************************************************************************

/*!

  \brief    The ShortcutZoomer abstract base class is used by viewer widget to

  access

            shortcut-related commands.

  \details  This class is a wrapper for shortcuts established by the

  CommandManager

            interface.

            Subclass it defining the required view commands, then implement a

            \p keyPressEvent() event handler in the viewer widget you want:

            \code

            void MyViewer::keyPressEvent(QKeyEvent* ke)

            {

              if(ViewerZoomer(this).exec(event))

                return;

              return MyViewerBase::keyPressEvent(ke);

            }

            \endcode

  \warning  Use the FullScreenWidget class to wrap a viewer class that

            needs to go fullscreen.

*/

class DVAPI ShortcutZoomer {

  QWidget *m_widget;  //!< Viewer widget being processed.

public:

  ShortcutZoomer(

      QWidget *viewerWidget);  //!< Constructs on the specified viewer widget.

  QWidget *getWidget() {

    return m_widget;

  }  //!< Returns the processed viewer widget.

  bool exec(

      QKeyEvent *event);  //!< Processes a key event for shortcuts related to

                          //!  viewer commands.

                          //!  \return  Whether a shortcut was recognized.

protected:

  virtual bool zoom(

      bool zoomin,

      bool resetZoom) = 0;  //!< Handler for zoom commands. Required.

  virtual bool fit() {

    return false;

  }  //!< Handler for 'fit to image' commands.

  virtual bool setActualPixelSize() {

    return false;

  }  //!< Handler for 'use actual pixel size' commands.

  virtual bool setFlipX() {

    return false;

  }  //!< Handler for 'flip viewer vertically' commands.

  virtual bool setFlipY() {

    return false;

  }  //!< Handler for 'flip viewer horizontally' commands.

  virtual bool toggleFullScreen(

      bool quit = false)  //!  Handler for 'toggle fullscreen' commands.

  {

    return false;

  }

};

}  // namespace ImageUtils

#endif