spatmod/imagesourcehttp.h

Go to the documentation of this file.

#ifndef  INC_SPATMOD_IMAGESOURCEHTTP_H
#define  INC_SPATMOD_IMAGESOURCEHTTP_H

#ifndef  INC_SPATMOD_IMAGESOURCE_H
#include <spatmod/imagesource.h>
#endif

#ifndef  INC_MI32_MISTRING_H
#include <mi32/mistring.h>
#endif

class HTTPMESSAGE;
class TRANS2D_MAPGEN;

namespace SPATMOD {
namespace IMAGE {

//=====================================================================================================================

class SOURCE_HTTP : public SOURCE {
   public:

      enum STATUS {
         STATUS_Waiting,                           
         STATUS_Complete,                          
         STATUS_Failed                             
         };

      SOURCE_HTTP (
         const MISTRING& url,                      
         const PIXEL& PixelProp,                   
         UINT32 TotalColumns,                      
         UINT32 TotalRows,                         
         const TRANS2D_MAPGEN *pTransToCRS = 0     
         );

      // Destructor.
      virtual ~SOURCE_HTTP ();

      ERRVALUE GetErrValue (
         ) const { return (m_ErrValue); }

      STATUS GetStatus (
         ) const { return (m_Status); }

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT

      MISTRING m_url;
      SOURCE *m_pSource;
      STATUS m_Status;
      ERRVALUE m_ErrValue;

      void OnNotifyReply (
         HTTPMESSAGE& reply         // Will have data detached on return if successful
         );

      void SetStatusError (
         ERRVALUE err
         );

      // BASE overrides.
      virtual ERRVALUE v_GetDimensions (DIMENSIONS& dimensions, double zoom) const;
      virtual const PIXELTABLE* v_GetPixelLookupTable () const;
      virtual ZOOMABILITY v_GetZoomAbility (SIMPLE_ARRAY<double>& ZoomsAllowed) const;
      virtual float v_QueryIterator (const SECTION_ITERATOR& iterator) const;

      // STAGE overrides.
      virtual ERRVALUE v_Initialize ();
      virtual ERRVALUE v_PullBegin (const SECTION_ITERATOR& iterator);
      virtual ERRVALUE v_PullEnd ();
      virtual ERRVALUE v_PullSubSection (const SECTION& SubSection, BUFFER& buffer);

      // Unimplemented
      SOURCE_HTTP (const SOURCE_HTTP&);
      SOURCE_HTTP& operator= (const SOURCE_HTTP&);
      #endif // GENERATING_DOXYGEN_OUTPUT

   };

//=====================================================================================================================

}  // End namespace IMAGE
}  // End namespace SPATMOD

#endif   // INC_SPATMOD_IMAGESOURCEHTTP_H

---