Application: gvSIG desktop

/* $Id: lti_bbbImageReader.h 3539 2006-01-09 12:23:20Z nacho $ */

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

//                                                                         //

// This code is Copyright (c) 2004 LizardTech, Inc, 1008 Western Avenue,   //

// Suite 200, Seattle, WA 98104.  Unauthorized use or distribution         //

// prohibited.  Access to and use of this code is permitted only under     //

// license from LizardTech, Inc.  Portions of the code are protected by    //

// US and foreign patents and other filings. All Rights Reserved.          //

//                                                                         //

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

#ifndef LTI_BBB_IMAGE_READER_H

#define LTI_BBB_IMAGE_READER_H

// lt_lib_mrsid_core

#include "lti_rawImageReader.h"

// system

#include <stdio.h>  // for FILE*

LT_BEGIN_NAMESPACE(LizardTech)

class LTIOStreamInf;

class LTIReusableBSQBuffer;

/**

 * read an image from a BBB file

 *

 * This class provides support for reading BBB files, i.e. a raw file with a

 * BIL/BIP/BSQ-style header.

 *

 */

class LTIBBBImageReader : public LTIRawImageReader

{

public:

   /**

    * constructor

    *

    * This function creates an image from a BBB file.

    *

    * @param fileSpec the image file to read from

    */

   LTIBBBImageReader(const LTFileSpec& fileSpec);

   /**

    * constructor

    *

    * This function creates an image from a BBB file.

    *

    * @param file the image file to read from

    */

   LTIBBBImageReader(const char* file);

   /**

    * destructor

    */

   ~LTIBBBImageReader();

   /**

    * intializer

    */

   LT_STATUS initialize();

private:

   LT_STATUS checkWorldFile(LTIGeoCoord*&);

   LT_STATUS doImagineMetadata();

   LT_STATUS readHeaderFile();

   LT_STATUS nextLine();

   LT_STATUS readInt(int&);

   LT_STATUS readDouble(double&);

   LT_STATUS readString(char*);

   class HeaderData;

   HeaderData* m_header;

   FILE* m_fp;

   LTIEndian m_endian;

   int m_bandgapbytes;

   int m_bandrowbytes;

   int m_totalrowbytes;

   int m_skipbytes;

   bool m_hasUlxmap;

   bool m_hasUlymap;

   bool m_hasXdim;

   bool m_hasYdim;

   double m_ulxmap;

   double m_ulymap;

   double m_xdim;

   double m_ydim;

   bool m_bFromImagine; //indicates whether to display Imagine Metadata

   //Imagine header data

   char* m_projname;

   char* m_sphereName;

   char* m_units;

   int m_proZone;

   double* m_projParams;

   double m_sphereMajor;

   double m_sphereMinor;

   double m_sphereEccentricitySquared;

   double m_sphereRadius;

   // nope

   LTIBBBImageReader();

   LTIBBBImageReader(LTIBBBImageReader&);

   LTIBBBImageReader& operator=(const LTIBBBImageReader&);

};

LT_END_NAMESPACE(LizardTech)

#endif // LTI_BBB_IMAGE_READER_H