core/vil1/vil1_clamp_image_impl.h

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// This is core/vil1/vil1_clamp_image_impl.h
#ifndef vil1_clamp_image_impl_h_
#define vil1_clamp_image_impl_h_
#ifdef VCL_NEEDS_PRAGMA_INTERFACE
#pragma interface
#endif
//:
// \file

#include <vil1/vil1_image_impl.h>
#include <vil1/vil1_image.h>
#include <vcl_string.h>

//: View of image clamped to a given range
class vil1_clamp_image_impl : public vil1_image_impl
{
 public:
  vil1_clamp_image_impl(vil1_image const& src, double low, double high)
    : base(src), low_(low), high_(high) {}

  int planes() const { return base.planes(); }
  int width() const { return base.width(); }
  int height() const { return base.height(); }
  int components() const { return base.components(); }
  int bits_per_component() const { return base.bits_per_component(); }
  vil1_component_format component_format() const { return base.component_format(); }

  vil1_image get_plane(unsigned int p) const;

  bool get_section(void *buf, int x0, int y0, int w, int h) const;
  bool put_section(void const *buf, int x0, int y0, int w, int h);

  //: Return the name of the class;
  virtual vcl_string is_a() const { return "vil1_clamp_image_impl"; }

  //: Return true if the name of the class matches the argument
  virtual bool is_class(vcl_string const& s) const
  { return s==is_a() || vil1_image_impl::is_class(s); }

 private:
  vil1_image base;
  double low_;
  double high_;
};

#endif // vil1_clamp_image_impl_h_

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