ossimRectanglePartitioner.h

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//----------------------------------------------------------------------------
// Copyright (C) 2004 David Burken, all rights reserved.
//
// License:  MIT
// 
// See LICENSE.txt file in the top level directory for more details.
//
// Author:  David Burken
//
// Description:
// Utility class to partition up a rectangle.
//
// $Id: ossimRectanglePartitioner.h 9094 2006-06-13 19:12:40Z dburken $
//----------------------------------------------------------------------------
#ifndef ossimRectanglePartitioner_HEADER
#define ossimRectanglePartitioner_HEADER

#include <ossim/base/ossimConstants.h>
#include <vector>

class ossimIrect;

class OSSIMDLLEXPORT ossimRectanglePartitioner
{
public:

   ossimRectanglePartitioner();

   ~ossimRectanglePartitioner();

   void binaryPartition(const ossimIrect& inputRectangle,
                        std::vector<ossimIrect>& result,
                        ossim_uint64 maxSizeInBytes,
                        ossim_uint32 bands,
                        ossim_uint32 bytesPerPixel,
                        ossim_uint32 internalOverlapPixels = 0) const;

private:

   void splitUntilLessThanMax(ossimIrect& rect,
                              ossim_uint64 maxSizeInBytes,
                              ossim_uint32 bands,
                              ossim_uint32 bytesPerPixel,
                              ossim_uint32 internalOverlapPixels = 0) const;

   void splitRect(ossimIrect& rect) const;

   ossim_uint64 getSize(const ossimIrect& rect,
                        ossim_uint32 bands,
                        ossim_uint32 bytesPerPixel,
                        ossim_uint32 internalOverlapPixels = 0) const;

   void trace(const ossimIrect& r,
              const std::vector<ossimIrect>& v,
              ossim_uint64 maxSizeInBytes,
              ossim_uint32 bands,
              ossim_uint32 bytesPerPixel) const;
   
};

#endif /* End of "#ifndef ossimRectanglePartitioner_HEADER" */