#pragma once

#ifndef TIIO_INCLUDED
#define TIIO_INCLUDED

#include "tcommon.h"
#include <string>
#include <QStringList>
#include "timageinfo.h"

#undef DVAPI
#undef DVVAR

#ifdef TNZCORE_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif

class TVectorImage;
class TPropertyGroup;

namespace Tiio
{

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

enum RowOrder { BOTTOM2TOP,
				TOP2BOTTOM };

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

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

class DVAPI Exception
{
};

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

class DVAPI Reader
{

protected:
	TImageInfo m_info;

public:
	Reader();
	virtual ~Reader();

	virtual void open(FILE *file) = 0;

	const TImageInfo &getImageInfo() const { return m_info; }

	virtual TPropertyGroup *getProperties() const { return 0; }

	void readLine(char *buffer) { readLine(buffer, 0, m_info.m_lx - 1, 1); }
	void readLine(short *buffer) { readLine(buffer, 0, m_info.m_lx - 1, 1); }
	virtual void readLine(char *buffer, int x0, int x1, int shrink) = 0;
	virtual void readLine(short *, int, int, int) { assert(false); }
	// Returns skipped lines number.
	// If not implemented returns 0;
	virtual int skipLines(int lineCount) = 0;

	virtual RowOrder getRowOrder() const { return BOTTOM2TOP; }
	virtual bool read16BitIsEnabled() const { return false; }

	// this function enables/disables the 64 bit reading.
	//If disabled, 64 bit images will be automatically  scaled down to 32 bit.
	//The default behaviour for formats that support 64 bit images is "Enabled"

	virtual void enable16BitRead(bool) {}

	virtual void getTzpPaletteColorNames(std::map<int, std::pair<std::string, std::string>> &pltColorNames) const { assert(false); }

private:
	// not implemented
	Reader(const Reader &);
	Reader &operator=(const Reader &);
};

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

class DVAPI Writer
{

protected:
	TImageInfo m_info;
	TPropertyGroup *m_properties;
	static int m_bwThreshold;

public:
	static void getSupportedFormats(QStringList &formats, bool onlyRenderFormats);
	static void setBlackAndWhiteThreshold(int threshold) { m_bwThreshold = threshold; }

	Writer();
	virtual ~Writer();

	virtual void open(FILE *file, const TImageInfo &inafo) = 0;

	TPropertyGroup *getProperties() { return m_properties; }

	virtual void writeLine(char *buffer) = 0;
	virtual void writeLine(short *) { assert(false); }

	virtual void flush() {}

	virtual RowOrder getRowOrder() const { return BOTTOM2TOP; }
	virtual bool write64bitSupported() const { return false; }

	void setProperties(TPropertyGroup *properties);

private:
	// not implemented
	Writer(const Writer &);
	Writer &operator=(const Writer &);
};

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

class DVAPI VectorReader
{
public:
	VectorReader() {}
	virtual ~VectorReader() {}

	virtual void open(FILE *file) = 0;

	virtual TVectorImage *read() = 0;
};

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

class DVAPI VectorWriter
{
public:
	VectorWriter() {}
	virtual ~VectorWriter() {}

	virtual void open(FILE *file) = 0;
	virtual void write(TVectorImage *) = 0;
};

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

typedef Reader *ReaderMaker();
typedef Writer *WriterMaker();

typedef VectorReader *VectorReaderMaker();
typedef VectorWriter *VectorWriterMaker();

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

DVAPI Tiio::Reader *makeReader(std::string ext);
DVAPI Tiio::Writer *makeWriter(std::string ext);

DVAPI Tiio::VectorReader *makeVectorReader(std::string ext);
DVAPI Tiio::VectorWriter *makeVectorWriter(std::string ext);

DVAPI TPropertyGroup *makeWriterProperties(std::string ext);

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

DVAPI void defineReaderMaker(const char *ext, Tiio::ReaderMaker *fn);
DVAPI void defineWriterMaker(const char *ext, Tiio::WriterMaker *fn, bool isRenderFormat);

DVAPI void defineVectorReaderMaker(const char *ext, Tiio::VectorReaderMaker *fn);
DVAPI void defineVectorWriterMaker(const char *ext, Tiio::VectorWriterMaker *fn, bool isRenderFormat);

DVAPI void defineWriterProperties(const char *ext, TPropertyGroup *);

DVAPI bool isQuicktimeInstalled();

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

} // namespace

#endif