mirror of
https://github.com/ruby-opencv/ruby-opencv
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126 lines
2.7 KiB
C++
126 lines
2.7 KiB
C++
/************************************************************
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cvcircle32f.cpp -
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$Author: lsxi $
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Copyright (C) 2005-2006 Masakazu Yonekura
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************************************************************/
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#include "cvcircle32f.h"
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/*
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* Document-class: OpenCV::CvCircle32f
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*
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* Combination of center and radius.
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*
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* see CvMat#hough_circles
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*/
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__NAMESPACE_BEGIN_OPENCV
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__NAMESPACE_BEGIN_CVCIRCLE32F
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VALUE rb_klass;
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VALUE
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rb_class()
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{
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return rb_klass;
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}
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VALUE
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rb_allocate(VALUE klass)
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{
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CvCircle32f *ptr;
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return Data_Make_Struct(klass, CvCircle32f, 0, -1, ptr);
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}
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/*
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* Returns center point of the circle
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* @overload center
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* @return [CvPoint2D32f] Center point of the circle
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*/
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VALUE
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rb_center(VALUE self)
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{
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return cCvPoint2D32f::new_object(CVCIRCLE32F(self)->center);
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}
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/*
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* Returns radius of the circle
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* @overload radius
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* @return [Number] Radius of the circle
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*/
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VALUE
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rb_radius(VALUE self)
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{
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return rb_float_new(CVCIRCLE32F(self)->radius);
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}
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/*
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* Accesses to parameters of the circle by array-like interface ([X-coordinate, Y-coordinate, radius])
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* @overload []
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* @param index [Integer] Index
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* @return [Number] X-coordinate, Y-coordinate or radius of the circle
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*/
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VALUE
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rb_aref(VALUE self, VALUE index)
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{
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switch (NUM2INT(index)) {
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case 0:
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return DBL2NUM(CVCIRCLE32F(self)->center.x);
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break;
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case 1:
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return DBL2NUM(CVCIRCLE32F(self)->center.y);
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break;
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case 2:
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return DBL2NUM(CVCIRCLE32F(self)->radius);
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break;
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default:
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rb_raise(rb_eIndexError, "index should be 0...3");
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break;
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}
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return Qnil;
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}
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/*
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* Returns parameters of the circle as an array which contains [center<CvPoint2D32f>, radius<Number>]
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* @overload to_ary
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* @return [Array<CvPoint2D32f,Number>] An array which contains [center, radius]
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*/
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VALUE
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rb_to_ary(VALUE self)
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{
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return rb_ary_new3(2, rb_center(self), rb_radius(self));
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}
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VALUE
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new_object(CvCircle32f circle32f)
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{
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VALUE object = rb_allocate(rb_klass);
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*CVCIRCLE32F(object) = circle32f;
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return object;
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}
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void
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init_ruby_class()
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{
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#if 0
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// For documentation using YARD
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VALUE opencv = rb_define_module("OpenCV");
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#endif
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if (rb_klass)
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return;
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VALUE opencv = rb_module_opencv();
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rb_klass = rb_define_class_under(opencv, "CvCircle32f", rb_cObject);
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rb_define_alloc_func(rb_klass, rb_allocate);
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rb_define_method(rb_klass, "center", RUBY_METHOD_FUNC(rb_center), 0);
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rb_define_method(rb_klass, "radius", RUBY_METHOD_FUNC(rb_radius), 0);
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rb_define_method(rb_klass, "[]", RUBY_METHOD_FUNC(rb_aref), 1);
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rb_define_method(rb_klass, "to_ary", RUBY_METHOD_FUNC(rb_to_ary), 0);
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rb_define_alias(rb_klass, "to_a", "to_ary");
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}
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__NAMESPACE_END_CVCIRCLE32F
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__NAMESPACE_END_OPENCV
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