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// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*-

#ifndef __gnu_javax_imageio_png_PNGFilter__

#define __gnu_javax_imageio_png_PNGFilter__

#pragma interface

#include <java/lang/Object.h>

#include <gcj/array.h>

extern "Java"

{

  namespace gnu

  {

    namespace javax

    {

      namespace imageio

      {

        namespace png

        {

            class PNGFilter;

            class PNGHeader;

        }

      }

    }

  }

}

class gnu::javax::imageio::png::PNGFilter : public ::java::lang::Object

{

public:

  PNGFilter();

  static jboolean useFilter(::gnu::javax::imageio::png::PNGHeader *);

  static jbyte chooseFilter(JArray< jbyte > *, JArray< jbyte > *, jint);

  static JArray< jbyte > * filterScanline(jbyte, JArray< jbyte > *, JArray< jbyte > *, jint);

  static JArray< jbyte > * unFilterScanline(jint, JArray< jbyte > *, JArray< jbyte > *, jint);

  static const jbyte FILTER_NONE = 0;

  static const jbyte FILTER_SUB = 1;

  static const jbyte FILTER_UP = 2;

  static const jbyte FILTER_AVERAGE = 3;

  static const jbyte FILTER_PAETH = 4;

  static ::java::lang::Class class$;

};

#endif // __gnu_javax_imageio_png_PNGFilter__