ossimBitMaskWriter.h

Go to the documentation of this file.

//*************************************************************************************************
//
// License:  MIT
//
// See LICENSE.txt file in the top level directory for more details.
//
// Author:  Oscar Kramer
//
//*************************************************************************************************
//  $Id: ossimBitMaskWriter.h 2644 2011-05-26 15:20:11Z oscar.kramer $

#ifndef ossimBitMaskWriter_HEADER
#define ossimBitMaskWriter_HEADER

#include <ossim/base/ossimRefPtr.h>
#include <ossim/base/ossimIpt.h>
#include <ossim/base/ossimOutputSource.h>
#include <ossim/imaging/ossimPixelFlipper.h>
#include <ossim/imaging/ossimMemoryImageSource.h>
#include <vector>

class ossimFilename;
class ossimKeywordlist;
class ossimImageHandler;
class ossimBitMaskTileSource;

//*************************************************************************************************
//*************************************************************************************************
class OSSIM_DLL ossimBitMaskWriter : public ossimOutputSource
{
public:
   static const char* BM_STARTING_RLEVEL_KW;
   static const char* MASK_FILE_MAGIC_NUMBER;

   ossimBitMaskWriter();

   ~ossimBitMaskWriter();

   void setBogusPixel(double pixel_value);

   void setBogusPixelRange(double min, double max);

   void setStartingResLevel(ossim_uint32 res_level) { m_startingResLevel = res_level; }

   void generateMask(ossimRefPtr<ossimImageData> tile, ossim_uint32 rLevel);

   bool buildOverviews(ossim_uint32 total_num_rlevels);

   virtual bool loadState(const ossimKeywordlist& spec, const char* prefix=0);

   virtual bool isOpen() const;
   virtual bool open();
   virtual void close();

   virtual bool canConnectMyInputTo(ossim_int32 myInputIndex, 
                                    const ossimConnectableObject* object) const;
   virtual ossim_int32 connectMyInputTo (ossimConnectableObject *inputObject, 
                                         bool makeOutputConnection=true, 
                                         bool createEventFlag=true);

protected:
   friend class ossimBitMaskTileSource;

   void initializeFlipper();

   void reset();

   ossimIpt computeImageSize(ossim_uint32 rlevel, ossimImageData* tile) const;

   ossimRefPtr<ossimPixelFlipper>  m_flipper;
   ossimRefPtr<ossimMemoryImageSource> m_memoryImage;
   vector<ossim_uint8 *> m_buffers;
   vector<ossimIpt>                m_bufferSizes;
   ossim_uint32                    m_startingResLevel;
   ossimIpt                        m_imageSize; 
};

#endif