spatmod/imagesourcepng.h

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#ifndef  INC_SPATMOD_IMAGESOURCEPNG_H
#define  INC_SPATMOD_IMAGESOURCEPNG_H

#ifndef  INC_SPATMOD_IMAGESOURCEFILE_H
#include <spatmod/imagesourcefile.h>
#endif

namespace SPATMOD {
namespace IMAGE {

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

class SOURCE_PNG : public SOURCE_FILE {
   public:

      explicit SOURCE_PNG (
         const FILEPATH& FilePath
         );

      explicit SOURCE_PNG (
         SIMPLE_ARRAY<UINT8>& MemBuffer   
         );

      SOURCE_PNG (
         UINT8*& MemBuffer,               
         UINT32 BufferSize                
         );

      virtual ~SOURCE_PNG ();

      void SetTransparentInvalid (
         bool TransparentInvalid = true
         ) { m_TransparentInvalid = TransparentInvalid; }

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      class PNG_READER;
      PNG_READER *m_pReader;
      bool m_DoingPull;
      bool m_TransparentInvalid;

      // BASE overrides.
      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_PNG (const SOURCE_PNG&);
      SOURCE_PNG& operator= (const SOURCE_PNG&);
      #endif // GENERATING_DOXYGEN_OUTPUT

   };

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

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

#endif   // INC_SPATMOD_IMAGESOURCEPNG_H

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