ossimKmlSuperOverlayWriter.h

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//----------------------------------------------------------------------------
//
// License:  LGPL
// 
// See LICENSE.txt file in the top level directory for more details.
//
// Author:  Mingjie Su, Harsh Govind
//
// Description: OSSIM KmlSuperOverlay writer class declaration.
//
//----------------------------------------------------------------------------
// $Id: ossimKmlSuperOverlayWriter.h 2178 2011-02-17 18:38:30Z ming.su $

#ifndef ossimKmlSuperOverlayWriter_HEADER
#define ossimKmlSuperOverlayWriter_HEADER 1

//ossim includes
#include <ossim/imaging/ossimImageFileWriter.h>
#include <ossim/base/ossimRefPtr.h>
#include <ossim/base/ossimString.h>

//minizip includes
#include <minizip/zip.h>

//std includes
#include <iosfwd>
#include <vector>

class ossimKeywordlist;
class ossimMapProjection;

class ossimKmlSuperOverlayWriter : public ossimImageFileWriter
{
public:

   ossimKmlSuperOverlayWriter();

   /* @brief virtual destructor */
   virtual ~ossimKmlSuperOverlayWriter();

   virtual ossimString getShortName() const;

   virtual ossimString getLongName()  const;

   virtual ossimString getClassName()    const;
   
   virtual void getImageTypeList(std::vector<ossimString>& imageTypeList)const;
   
   virtual bool isOpen()const;   
   
   virtual bool open();

   virtual void close();
   
   virtual bool saveState(ossimKeywordlist& kwl,
                          const char* prefix=0)const;
   
   virtual bool loadState(const ossimKeywordlist& kwl,
                          const char* prefix=0);

   virtual void setProperty(ossimRefPtr<ossimProperty> property);

   virtual ossimRefPtr<ossimProperty> getProperty(const ossimString& name)const;

   virtual void getPropertyNames(std::vector<ossimString>& propertyNames)const;

   virtual ossimString getExtension() const;

   bool hasImageType(const ossimString& imageType) const;

   virtual bool writeStream();

protected:
   virtual bool writeFile(); 

   bool generateRootKml(ossimString filename, 
                       ossim_float64 north, 
                       ossim_float64 south, 
                       ossim_float64 east, 
                       ossim_float64 west, 
                       ossim_int32 tilesize);

   bool generateChildKml(ossimString filename, 
                         ossim_int32 zoom, 
                         ossim_int32 yloop,
                         ossim_int32 ix, 
                         ossim_int32 iy, 
                         ossim_int32 dxsize, 
                         ossim_int32 dysize, 
                         ossim_int32 xsize,
                         ossim_int32 ysize, 
                         ossim_int32 maxzoom, 
                         ossimRefPtr<ossimMapProjection> proj,
                         ossimString fileExt);

   void generateTile(ossimString filename, 
                     ossim_int32 ix, 
                     ossim_int32 iy, 
                     ossim_int32 dxsize, 
                     ossim_int32 dysize);

   bool zipWithMinizip(std::vector<ossimString> srcFiles, 
                       ossimString srcDirectory, 
                       ossimString targetFile);

   void propagateViewChange();

   ossimRefPtr<ossimImageFileWriter> m_imageWriter;
   ossimRefPtr<ossimMapProjection>   m_mapProjection;
   bool m_isKmz;
   bool m_isPngFormat;

 TYPE_DATA
};

#endif