Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Purpose:  PCIDSK External Database Interface declaration.  This provides
       4             :  *           mechanisms for access to external linked image file formats.
       5             :  *
       6             :  ******************************************************************************
       7             :  * Copyright (c) 2010
       8             :  * PCI Geomatics, 90 Allstate Parkway, Markham, Ontario, Canada.
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : #ifndef INCLUDE_PCIDSK_EDB_H
      13             : #define INCLUDE_PCIDSK_EDB_H
      14             : 
      15             : #include "pcidsk_config.h"
      16             : 
      17             : #include <string>
      18             : 
      19             : namespace PCIDSK
      20             : {
      21             : /************************************************************************/
      22             : /*                               EDBFile                                */
      23             : /************************************************************************/
      24             : 
      25             : //! External Database Interface class.
      26             : 
      27             :     class EDBFile
      28             :     {
      29             :     public:
      30           0 :         virtual ~EDBFile() {}
      31             :         virtual int Close() const = 0;
      32             : 
      33             :         virtual int GetWidth() const = 0;
      34             :         virtual int GetHeight() const = 0;
      35             :         virtual int GetChannels() const = 0;
      36             :         virtual int GetBlockWidth(int channel ) const = 0;
      37             :         virtual int GetBlockHeight(int channel ) const = 0;
      38             :         virtual eChanType GetType(int channel ) const = 0;
      39             :         virtual int ReadBlock(int channel,
      40             :             int block_index, void *buffer,
      41             :             int win_xoff=-1, int win_yoff=-1,
      42             :             int win_xsize=-1, int win_ysize=-1 ) = 0;
      43             :         virtual int WriteBlock( int channel, int block_index, void *buffer) = 0;
      44             :     };
      45             : 
      46             :     EDBFile PCIDSK_DLL *DefaultOpenEDB(const std::string& filename,
      47             :                                        const std::string& access);
      48             : } // end namespace PCIDSK
      49             : 
      50             : #endif // INCLUDE_PCIDSK_EDB_H