#pragma once

#ifndef IMAGE_BUILDERS_H

#define IMAGE_BUILDERS_H

#include "tfilepath.h"

#include "toonz/imagemanager.h"

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

//  Forward declarations

class TImageInfo;

class TXshSimpleLevel;

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

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

//    ImageLoader  class declaration

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

/*!

  ImageLoader is the specialized ImageBuilder class used to automatically load

  images from a level file on hard disk.

  Refer to ImageLoader::BuildExtData for a description of the allowed options

  for

  image loading.

*/

class ImageLoader final : public ImageBuilder {

public:

  struct BuildExtData {

    const TXshSimpleLevel *m_sl;  //!< TXshSimpleLevel instance associated to an

                                  //! image loading request

    TFrameId m_fid;  //!< m_sl's fid at which the image will be loaded

    int m_subs;  //!< The subsampling factor for image loading (0 meaning either

    //!< 'the currently stored one' if an image is already cached, or

    //!< m_sl's subsampling property otherwise)

    bool m_icon;  //!< Whether the icon (if any) should be loaded instead

  public:

    BuildExtData(const TXshSimpleLevel *sl, const TFrameId &fid, int subs = 0,

                 bool icon = false)

        : m_sl(sl), m_fid(fid), m_subs(subs), m_icon(icon) {}

  };

public:

  ImageLoader(const TFilePath &path, const TFrameId &fid);

  bool isImageCompatible(int imFlags, void *extData) override;

  /*--

   * ImageBuilder仮想関数の実装。アイコン、画像をLoad時に全てキャッシュに格納する

   * --*/

  void buildAllIconsAndPutInCache(TXshSimpleLevel *level,

                                  std::vector<tframeid> fids,</tframeid>

                                  std::vector<std::string> iconIds,</std::string>

                                  bool cacheImagesAsWell) override;

  /* Exposed to allow Fid to be updated due to a renumber operation

   */

  void setFid(const TFrameId &fid) override;

protected:

  bool getInfo(TImageInfo &info, int imFlags, void *extData) override;

  TImageP build(int imFlags, void *extData) override;

  void invalidate() override;

  inline int buildSubsampling(int imFlags, BuildExtData *data);

private:

  TFilePath m_path;  //!< Level path to load images from

  TFrameId m_fid;    //!< Frame of the level to load

  bool m_64bitCompatible;  //!< Whether current image is 64-bit compatible

  bool m_floatCompatible;  //!< Whether current image is float compatible

  int m_subsampling;       //!< Current image subsampling

  //!< NOTE: Should this be replaced by requests to the TImageCache?

  double m_colorSpaceGamma;  // current gamma. only used in EXR levels

};

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

class ImageRasterizer final : public ImageBuilder {

public:

  ImageRasterizer() {}

  ~ImageRasterizer() {}

  bool isImageCompatible(int imFlags, void *extData) override { return true; }

protected:

  bool getInfo(TImageInfo &info, int imFlags, void *extData) override;

  TImageP build(int imFlags, void *extData) override;

};

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

class ImageFiller final : public ImageBuilder {

public:

  ImageFiller() {}

  ~ImageFiller() {}

  bool isImageCompatible(int imFlags, void *extData) override { return true; }

protected:

  bool getInfo(TImageInfo &info, int imFlags, void *extData) override;

  TImageP build(int imFlags, void *extData) override;

};

#endif  // IMAGE_BUILDERS_H