/************************************************************

   cvhistogram.h -

   $Author: lsxi $

   Copyright (C) 2005-2008 Masakazu Yonekura

************************************************************/
#ifndef RUBY_OPENCV_CVHISTOGRAM_H
#define RUBY_OPENCV_CVHISTOGRAM_H

#include "opencv.h"

#define __NAMESPACE_BEGIN_CVHISTOGRAM namespace cCvHistogram {
#define __NAMESPACE_END_CVHISTOGRAM }

__NAMESPACE_BEGIN_OPENCV
__NAMESPACE_BEGIN_CVHISTOGRAM

VALUE rb_class();
VALUE rb_allocate(VALUE klass);
void define_ruby_class();

VALUE rb_initialize(int argc, VALUE *argv, VALUE self);
VALUE rb_is_uniform(VALUE self);
VALUE rb_is_sparse(VALUE self);
VALUE rb_has_range(VALUE self);
VALUE rb_calc_hist(int argc, VALUE* argv, VALUE self);
VALUE rb_calc_hist_bang(int argc, VALUE* argv, VALUE self);
VALUE rb_aref(VALUE self, VALUE args);
VALUE rb_min_max_value(VALUE self);
VALUE rb_dims(VALUE self);
VALUE rb_copy_hist(VALUE self);

VALUE rb_clear_hist(VALUE self);
VALUE rb_clear_hist_bang(VALUE self);

VALUE rb_normalize_hist(VALUE self, VALUE factor);
VALUE rb_normalize_hist_bang(VALUE self, VALUE factor);
VALUE rb_thresh_hist(VALUE self, VALUE threshold);
VALUE rb_thresh_hist_bang(VALUE self, VALUE threshold);

VALUE rb_set_hist_bin_ranges(int argc, VALUE* argv, VALUE self);
VALUE rb_set_hist_bin_ranges_bang(int argc, VALUE* argv, VALUE self);

VALUE rb_calc_back_project(VALUE self, VALUE image);
VALUE rb_calc_back_project_patch(VALUE self, VALUE image, VALUE patch_size, VALUE method, VALUE factor);

VALUE rb_compare_hist(VALUE self, VALUE hist1, VALUE hist2, VALUE method);
VALUE rb_calc_prob_density(int argc, VALUE* argv, VALUE self);

__NAMESPACE_END_CVHISTOGRAM

inline CvHistogram*
CVHISTOGRAM(VALUE object)
{
  CvHistogram* ptr;
  Data_Get_Struct(object, CvHistogram, ptr);
  return ptr;
}

inline CvHistogram*
CVHISTOGRAM_WITH_CHECK(VALUE object)
{
  if (!rb_obj_is_kind_of(object, cCvHistogram::rb_class()))
    raise_typeerror(object, cCvHistogram::rb_class());
  return CVHISTOGRAM(object);
}

__NAMESPACE_END_OPENCV

#endif // RUBY_OPENCV_CVHISTOGRAM_H