Line data    Source code

       1             : /*
       2             :  * $Id$
       3             :  *  keamaskband.h
       4             :  *
       5             :  *  Created by Pete Bunting on 01/08/2012.
       6             :  *  Copyright 2012 LibKEA. All rights reserved.
       7             :  *
       8             :  *  This file is part of LibKEA.
       9             :  *
      10             :  *  Permission is hereby granted, free of charge, to any person
      11             :  *  obtaining a copy of this software and associated documentation
      12             :  *  files (the "Software"), to deal in the Software without restriction,
      13             :  *  including without limitation the rights to use, copy, modify,
      14             :  *  merge, publish, distribute, sublicense, and/or sell copies of the
      15             :  *  Software, and to permit persons to whom the Software is furnished
      16             :  *  to do so, subject to the following conditions:
      17             :  *
      18             :  *  The above copyright notice and this permission notice shall be
      19             :  *  included in all copies or substantial portions of the Software.
      20             :  *
      21             :  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
      22             :  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
      23             :  *  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
      24             :  *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
      25             :  *  ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
      26             :  *  CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
      27             :  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
      28             :  *
      29             :  */
      30             : 
      31             : #ifndef KEAMASKBAND_H
      32             : #define KEAMASKBAND_H
      33             : 
      34             : #include "gdal_priv.h"
      35             : 
      36             : #include "libkea_headers.h"
      37             : #include "keadataset.h"
      38             : 
      39             : class KEAMaskBand final : public GDALRasterBand
      40             : {
      41             :     int m_nSrcBand;
      42             :     kealib::KEAImageIO *m_pImageIO;  // our image access pointer - refcounted
      43             :     LockedRefCount *m_pRefCount;     // reference count of m_pImageIO
      44             :   public:
      45             :     KEAMaskBand(GDALRasterBand *pParent, kealib::KEAImageIO *pImageIO,
      46             :                 LockedRefCount *pRefCount);
      47             :     ~KEAMaskBand();
      48             : 
      49           1 :     virtual bool IsMaskBand() const override
      50             :     {
      51           1 :         return true;
      52             :     }
      53             : 
      54             :   protected:
      55             :     // we just override these functions from GDALRasterBand
      56             :     virtual CPLErr IReadBlock(int, int, void *) override;
      57             :     virtual CPLErr IWriteBlock(int, int, void *) override;
      58             : };
      59             : 
      60             : #endif  // KEAMASKBAND_H