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

// Copyright 2007-2011 Adobe Systems Incorporated

// All Rights Reserved.

//

// NOTICE:  Adobe permits you to use, modify, and distribute this file in

// accordance with the terms of the Adobe license agreement accompanying it.

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

/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_preview.h#1 $ */ 

/* $DateTime: 2012/05/30 13:28:51 $ */

/* $Change: 832332 $ */

/* $Author: tknoll $ */

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

#ifndef __dng_preview__

#define __dng_preview__

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

#include "dng_auto_ptr.h"

#include "dng_classes.h"

#include "dng_ifd.h"

#include "dng_opcode_list.h"

#include "dng_point.h"

#include "dng_sdk_limits.h"

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

class dng_preview

  {

  public:

    dng_preview_info fInfo;

  protected:

    dng_preview ();

  public:

    virtual ~dng_preview ();

    virtual dng_basic_tag_set * AddTagSet (dng_tiff_directory &directory) const = 0;

    virtual void WriteData (dng_host &host,

                dng_image_writer &writer,

                dng_basic_tag_set &basic,

                dng_stream &stream) const = 0;

  };

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

class dng_image_preview: public dng_preview

  {

  public:

    AutoPtr<dng_image> fImage;

  private:

    mutable dng_ifd fIFD;

  public:

    dng_image_preview ();

    virtual ~dng_image_preview ();

    virtual dng_basic_tag_set * AddTagSet (dng_tiff_directory &directory) const;

    virtual void WriteData (dng_host &host,

                dng_image_writer &writer,

                dng_basic_tag_set &basic,

                dng_stream &stream) const;

  private:

    // Hidden copy constructor and assignment operator.

    dng_image_preview (const dng_image_preview &preview);

    dng_image_preview & operator= (const dng_image_preview &preview);

  };

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

class dng_jpeg_preview: public dng_preview

  {

  public:

    dng_point fPreviewSize;

    uint16 fPhotometricInterpretation;

    dng_point fYCbCrSubSampling;

    uint16 fYCbCrPositioning;

    AutoPtr<dng_memory_block> fCompressedData;

  public:

    dng_jpeg_preview ();

    virtual ~dng_jpeg_preview ();

    virtual dng_basic_tag_set * AddTagSet (dng_tiff_directory &directory) const;

    virtual void WriteData (dng_host &host,

                dng_image_writer &writer,

                dng_basic_tag_set &basic,

                dng_stream &stream) const;

    void SpoolAdobeThumbnail (dng_stream &stream) const;

  private:

    // Hidden copy constructor and assignment operator.

    dng_jpeg_preview (const dng_jpeg_preview &preview);

    dng_jpeg_preview & operator= (const dng_jpeg_preview &preview);

  };

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

class dng_raw_preview: public dng_preview

  {

  public:

    AutoPtr<dng_image> fImage;

    AutoPtr<dng_memory_block> fOpcodeList2Data;

    int32 fCompressionQuality;

  private:

    mutable dng_ifd fIFD;

  public:

    dng_raw_preview ();

    virtual ~dng_raw_preview ();

    virtual dng_basic_tag_set * AddTagSet (dng_tiff_directory &directory) const;

    virtual void WriteData (dng_host &host,

                dng_image_writer &writer,

                dng_basic_tag_set &basic,

                dng_stream &stream) const;

  private:

    // Hidden copy constructor and assignment operator.

    dng_raw_preview (const dng_raw_preview &preview);

    dng_raw_preview & operator= (const dng_raw_preview &preview);

  };

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

class dng_mask_preview: public dng_preview

  {

  public:

    AutoPtr<dng_image> fImage;

    int32 fCompressionQuality;

  private:

    mutable dng_ifd fIFD;

  public:

    dng_mask_preview ();

    virtual ~dng_mask_preview ();

    virtual dng_basic_tag_set * AddTagSet (dng_tiff_directory &directory) const;

    virtual void WriteData (dng_host &host,

                dng_image_writer &writer,

                dng_basic_tag_set &basic,

                dng_stream &stream) const;

  private:

    // Hidden copy constructor and assignment operator.

    dng_mask_preview (const dng_mask_preview &preview);

    dng_mask_preview & operator= (const dng_mask_preview &preview);

  };

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

class dng_preview_list

  {

  private:

    uint32 fCount;

    AutoPtr<dng_preview> fPreview [kMaxDNGPreviews];

  public:

    dng_preview_list ();

    ~dng_preview_list ();

    uint32 Count () const

      {

      return fCount;

      }

    const dng_preview & Preview (uint32 index) const

      {

      return *(fPreview [index]);

      }

    void Append (AutoPtr<dng_preview> &preview);

  };

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

#endif

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