Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Purpose: Support for reading and manipulating general PCIDSK Binary Segments
       4             :  *
       5             :  ******************************************************************************
       6             :  * Copyright (c) 2010
       7             :  * PCI Geomatics, 90 Allstate Parkway, Markham, Ontario, Canada.
       8             :  *
       9             :  * Permission is hereby granted, free of charge, to any person obtaining a
      10             :  * copy of this software and associated documentation files (the "Software"),
      11             :  * to deal in the Software without restriction, including without limitation
      12             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      13             :  * and/or sell copies of the Software, and to permit persons to whom the
      14             :  * Software is furnished to do so, subject to the following conditions:
      15             :  *
      16             :  * The above copyright notice and this permission notice shall be included
      17             :  * in all copies or substantial portions of the Software.
      18             :  *
      19             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      20             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      21             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      22             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      23             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      24             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      25             :  * DEALINGS IN THE SOFTWARE.
      26             :  ****************************************************************************/
      27             : #ifndef INCLUDE_PCIDSK_SEGMENT_PCIDSKBINARY_SEG_H
      28             : #define INCLUDE_PCIDSK_SEGMENT_PCIDSKBINARY_SEG_H
      29             : 
      30             : #include "pcidsk_binary.h"
      31             : #include "segment/cpcidsksegment.h"
      32             : 
      33             : namespace PCIDSK {
      34             :     class PCIDSKFile;
      35             : 
      36             :     class CPCIDSKBinarySegment : public PCIDSKBinarySegment,
      37             :         public CPCIDSKSegment
      38             :     {
      39             :     public:
      40             :         CPCIDSKBinarySegment(PCIDSKFile *file, int segment,
      41             :             const char *segment_pointer, bool bLoad=true);
      42             :         ~CPCIDSKBinarySegment();
      43             : 
      44           0 :         const char* GetBuffer(void) const override
      45             :         {
      46           0 :             return seg_data.buffer;
      47             :         }
      48             : 
      49           0 :         unsigned int GetBufferSize(void) const override
      50             :         {
      51           0 :             return seg_data.buffer_size;
      52             :         }
      53             :         void SetBuffer(const char* pabyBuf,
      54             :             unsigned int nBufSize) override;
      55             : 
      56             :         //synchronize the segment on disk.
      57             :         void Synchronize() override;
      58             :     private:
      59             : 
      60             :         // Helper housekeeping functions
      61             :         void Load();
      62             :         void Write();
      63             : 
      64             :     //functions to read/write binary information
      65             :     protected:
      66             :         // The raw segment data
      67             :         PCIDSKBuffer seg_data;
      68             :         bool loaded_;
      69             :         bool mbModified;
      70             :     };
      71             : }
      72             : 
      73             : #endif // INCLUDE_PCIDSK_SEGMENT_PCIDSKBINARY_SEG_H