#pragma once

#ifndef TTIO_TZL_INCLUDED

#define TTIO_TZL_INCLUDED

#include "tlevel_io.h"

#include <set></set>

class TImageWriterTzl;

class TImageReaderTzl;

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

/*!

  TLevelWriterTzl:

 */

class TzlChunk {

public:

  TINT32 m_offs;

  TINT32 m_length;

  TzlChunk(TINT32 offs, TINT32 length) : m_offs(offs), m_length(length) {}

  TzlChunk() : m_offs(0), m_length(0) {}

  bool operator<(const TzlChunk &c) const { return m_offs < c.m_offs; }

private:

};

typedef std::map<tframeid, tzlchunk=""> TzlOffsetMap;</tframeid,>

class TRasterCodecLZO;

class TLevelWriterTzl final : public TLevelWriter {

  // bool m_paletteWritten;

  bool m_headerWritten;

  bool m_creatorWritten;

  FILE *m_chan;

  TLevelP m_level;

  TFilePath m_path, m_palettePath;

  long m_frameCountPos;

  int m_frameCount;

  TzlOffsetMap m_frameOffsTable;

  TzlOffsetMap m_iconOffsTable;

  std::set<tzlchunk> m_freeChunks;</tzlchunk>

  bool m_exists;

  TPalette *m_palette;

  TDimension m_res;

  TINT32 m_offsetTablePos;

  TINT32 m_iconOffsetTablePos;

  std::map<tframeid, tframeid=""> m_renumberTable;</tframeid,>

  const char *m_magic;

  int m_version;

  bool m_updatedIconsSize;

  TDimension m_userIconSize;  // IconSize settata dall'utente

  TDimension

      m_iconSize;  // IconSize in the file according to image aspect ratio.

  TDimension m_currentIconSize;  // If file exists this is the current IconSize

                                 // in the file

  TRasterCodecLZO *m_codec;

  bool m_overwritePaletteFlag;

public:

  TLevelWriterTzl(const TFilePath &path, TPropertyGroup *winfo);

  ~TLevelWriterTzl();

  void setPalette(TPalette *palette) override;

  void setOverwritePaletteFlag(bool overwrite) override {

    m_overwritePaletteFlag = overwrite;

  }

  void renumberFids(const std::map<tframeid, tframeid=""> &renumberTable) override;</tframeid,>

  /*!

                  Setta le dimensioni dell'iconcina nel file.

                  ATTENZIONE: va necessariamente richiamata prima di

     renumberFids()!

          */

  void setIconSize(TDimension iconSize) override;

  TDimension getIconSize() const override { return m_iconSize; }

  TImageWriterP getFrameWriter(TFrameId fid) override;

  // friend class TImageWriterTzl;

  // Save Image and icon

  void save(const TImageP &img);

  void save(const TImageP &img, const TFrameId &fid);

  // save only icon

  void saveIcon(const TImageP &img, const TFrameId &fid);

  // check icon size. Return True if newSize is not equal to currentIconSize

  // (the iconSize in File)

  bool checkIconSize(const TDimension &newSize);

  // Update all icons with new size. Return true if success.

  bool resizeIcons(const TDimension &newSize);

  void remove(const TFrameId &fid);

  /*!

           Da informazioni relativamente allo spazio libero presente su file.

           Ritorna un numero compreso tra 0 e 1: 0 nessuno spazio libero, 1

     tutto lo spazio è libero.

   */

  float getFreeSpace();

  /*!

     Save the file without freeSpace.

     Salva tutti i frame in maniera continua, senza buchi.

     Return TRUE if successfully.

   */

  bool optimize();

public:

  static TLevelWriter *create(const TFilePath &f, TPropertyGroup *winfo) {

    return new TLevelWriterTzl(f, winfo);

  }

private:

  bool m_adjustRatio;

  void doSave(const TImageP &img, const TFrameId &fid);

  // Save image on disk. If isIcon is true save image as icon.

  void saveImage(const TImageP &img, const TFrameId &fid, bool isIcon = false);

  void createIcon(const TImageP &imgIn, TImageP &imgOut);

  bool convertToLatestVersion();

  void writeHeader(const TDimension &size);

  void buildFreeChunksTable();

  void addFreeChunk(TINT32 offs, TINT32 length);

  TINT32 findSavingChunk(const TFrameId &fid, TINT32 length,

                         bool isIcon = false);

  // not implemented

  TLevelWriterTzl(const TLevelWriterTzl &);

  TLevelWriterTzl &operator=(const TLevelWriterTzl &);

};

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

/*!

  TLevelReaderTzl:

 */

class TLevelReaderTzl final : public TLevelReader {

public:

  TLevelReaderTzl(const TFilePath &path);

  ~TLevelReaderTzl();

  void doReadPalette(bool doReadIt) override;

  /*!

Return info about current tzl

*/

  TLevelP loadInfo() override;

  /*!

Return an image with Reader information

*/

  TImageReaderP getFrameReader(TFrameId fid) override;

  QString getCreator() override;

  friend class TImageReaderTzl;

  /*!

                  Return TLV version

          */

  int getVersion() { return m_version; }

  /*!

                  Get the iconSize in the file. Return TRUE if icon exists,

     return FALSE if it not exists.

          */

  bool getIconSize(TDimension &iconSize);

private:

  FILE *m_chan;

  TLevelP m_level;

  TDimension m_res;

  double m_xDpi, m_yDpi;

  // int m_frameIndex;

  // TzlOffsetMap m_frameOffset;//per le vecchie tzl

  TzlOffsetMap m_frameOffsTable;

  TzlOffsetMap m_iconOffsTable;

  int m_version;

  QString m_creator;

  bool m_readPalette;

public:

  static TLevelReader *create(const TFilePath &f) {

    return new TLevelReaderTzl(f);

  }

private:

  void readPalette();

  // not implemented

  TLevelReaderTzl(const TLevelReaderTzl &);

  TLevelReaderTzl &operator=(const TLevelReaderTzl &);

};

#endif  // TTIO_TZL_INCLUDED