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/******************************************************************************
*
* Purpose: PCIDSK External Database Interface declaration. This provides
* mechanisms for access to external linked image file formats.
*
******************************************************************************
* Copyright (c) 2010
* PCI Geomatics, 50 West Wilmot Street, Richmond Hill, Ont, Canada
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef __INCLUDE_PCIDSK_EDB_H
#define __INCLUDE_PCIDSK_EDB_H
#include "pcidsk_config.h"
#include <string>
namespace PCIDSK
{
/************************************************************************/
/* EDBFile */
/************************************************************************/
//! External Database Interface class.
class EDBFile
{
public:
virtual ~EDBFile() {}
virtual int Close() const = 0;
virtual int GetWidth() const = 0;
virtual int GetHeight() const = 0;
virtual int GetChannels() const = 0;
virtual int GetBlockWidth(int channel ) const = 0;
virtual int GetBlockHeight(int channel ) const = 0;
virtual eChanType GetType(int channel ) const = 0;
virtual int ReadBlock(int channel,
int block_index, void *buffer,
int win_xoff=-1, int win_yoff=-1,
int win_xsize=-1, int win_ysize=-1 ) = 0;
virtual int WriteBlock( int channel, int block_index, void *buffer) = 0;
};
EDBFile PCIDSK_DLL *DefaultOpenEDB(std::string filename,
std::string access);
} // end namespace PCIDSK
#endif // __INCLUDE_PCIDSK_EDB_H
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