#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 : 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().

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="">> &strokesInfo, // pair:strokeIndex, styleIndex</std::pair<int,>

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

	{

		return false;

	}

};

} // namespace ImageUtils

#endif