mirror of
https://github.com/ruby-opencv/ruby-opencv
synced 2023-03-27 23:22:12 -04:00
114 lines
2.3 KiB
C++
114 lines
2.3 KiB
C++
/************************************************************
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cvbox2d.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 "cvbox2d.h"
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/*
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* Document-class: OpenCV::CvBox2D
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*
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* C structure is here.
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* typdef struct CvBox2D{
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* CvPoint2D32f center; // center of the box.
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* CvSize2D32f size; // box width and length
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* float angle; // angle between the horizonal axis and the first side (i.e length) in radians
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* }CvBox2D;
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*/
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__NAMESPACE_BEGIN_OPENCV
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__NAMESPACE_BEGIN_CVBOX2D
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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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void
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define_ruby_class()
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{
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if(rb_klass)
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return;
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/*
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* opencv = rb_define_module("OpenCV");
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*
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* note: this comment is used by rdoc.
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*/
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VALUE opencv = rb_module_opencv();
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rb_klass = rb_define_class_under(opencv, "CvBox2D", rb_cObject);
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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, "size", RUBY_METHOD_FUNC(rb_size), 0);
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rb_define_method(rb_klass, "angle", RUBY_METHOD_FUNC(rb_angle), 0);
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rb_define_method(rb_klass, "points", RUBY_METHOD_FUNC(rb_points), 0);
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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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CvBox2D *ptr;
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return Data_Make_Struct(klass, CvBox2D, 0, -1, ptr);
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}
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/*
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* Return center point of box as CvPoint2D32f.
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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 REFER_OBJECT(cCvPoint2D32f::rb_class(), &CVBOX2D(self)->center, self);
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}
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/*
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* Return size of box as CvSize2D32f.
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*/
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VALUE
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rb_size(VALUE self)
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{
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return REFER_OBJECT(cCvSize2D32f::rb_class(), &CVBOX2D(self)->size, self);
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}
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/*
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* Return angle of box as Float.
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*/
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VALUE
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rb_angle(VALUE self)
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{
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return rb_float_new(CVBOX2D(self)->angle);
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}
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/*
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* Find box vertices. Return Array contain 4 CvPoint2D32f.
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*/
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VALUE
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rb_points(VALUE self)
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{
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const int n = 4;
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CvPoint2D32f p[n];
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cvBoxPoints(*CVBOX2D(self), p);
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VALUE points = rb_ary_new2(n);
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for(int i = 0; i < n; i++)
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rb_ary_store(points, i, cCvPoint2D32f::new_object(p[i]));
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return points;
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}
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VALUE
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new_object()
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{
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return rb_allocate(cCvBox2D::rb_class());
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}
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VALUE
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new_object(CvBox2D box)
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{
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VALUE object = rb_allocate(rb_klass);
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*CVBOX2D(object) = box;
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return object;
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}
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__NAMESPACE_END_CVBOX2D
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__NAMESPACE_END_OPENCV
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