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ruby-opencv/ext/opencv/cvconnectedcomp.cpp
Patrick Ting 08a9655dc1 Added gemspec to be able to bundle install from git.
Added IplImage#smoothness that returns :smooth, :messy, or :blank.
Rake compile will now compile the C extension code.
2011-04-14 12:26:41 -07:00

139 lines
2.7 KiB
C++

/************************************************************
cvconnectedcomp.cpp -
$Author: lsxi $
Copyright (C) 2005-2007 Masakazu Yonekura
************************************************************/
#include "cvconnectedcomp.h"
/*
* Document-class: OpenCV::CvConnectedComp
*
* see CvMat#flood_fill
*
* C structure is here.
* typedef struct CvConnectedComp
* {
* double area;
* CvScalar value;
* CvRect rect;
* CvSeq* contour;
* } CvConnectedComp;
*/
__NAMESPACE_BEGIN_OPENCV
__NAMESPACE_BEGIN_CVCONNECTEDCOMP
VALUE rb_klass;
VALUE
rb_class()
{
return rb_klass;
}
void
define_ruby_class()
{
if (rb_klass)
return;
/*
* opencv = rb_define_module("OpenCV");
*
* note: this comment is used by rdoc.
*/
VALUE opencv = rb_module_opencv();
rb_klass = rb_define_class_under(opencv, "CvConnectedComp", rb_cObject);
rb_define_alloc_func(rb_klass, rb_allocate);
rb_define_method(rb_klass, "area", RUBY_METHOD_FUNC(rb_area), 0);
rb_define_method(rb_klass, "value", RUBY_METHOD_FUNC(rb_value), 0);
rb_define_method(rb_klass, "rect", RUBY_METHOD_FUNC(rb_rect), 0);
rb_define_method(rb_klass, "rect=", RUBY_METHOD_FUNC(rb_set_rect), 1);
rb_define_method(rb_klass, "contour", RUBY_METHOD_FUNC(rb_contour), 0);
}
void
cvconnectedcomp_free(void *ptr)
{
if (ptr) {
CvConnectedComp* connected_comp = (CvConnectedComp*)ptr;
if (connected_comp->contour) {
CvContour *contour = (CvContour*)connected_comp->contour;
if (contour->storage)
cvReleaseMemStorage(&(contour->storage));
}
free(ptr);
}
}
VALUE
rb_allocate(VALUE klass)
{
CvConnectedComp *ptr;
return Data_Make_Struct(klass, CvConnectedComp, 0, cvconnectedcomp_free, ptr);
}
/*
* Return area of connected component.
*/
VALUE
rb_area(VALUE self)
{
return rb_float_new(CVCONNECTEDCOMP(self)->area);
}
/*
* Return average color of the connected component.
*/
VALUE
rb_value(VALUE self)
{
return REFER_OBJECT(cCvScalar::rb_class(), &CVCONNECTEDCOMP(self)->value, self);
}
/*
* Return ROI of the component.
*/
VALUE
rb_rect(VALUE self)
{
return REFER_OBJECT(cCvRect::rb_class(), &CVCONNECTEDCOMP(self)->rect, self);
}
/*
* Set ROI of the component.
*/
VALUE
rb_set_rect(VALUE self, VALUE rect)
{
CVCONNECTEDCOMP(self)->rect = VALUE_TO_CVRECT(rect);
return self;
}
/*
* Return optional component boundary
*/
VALUE
rb_contour(VALUE self)
{
return REFER_OBJECT(cCvContour::rb_class(), &CVCONNECTEDCOMP(self)->contour, self);
}
VALUE
new_object()
{
return rb_allocate(rb_klass);
}
VALUE
new_object(CvConnectedComp comp)
{
VALUE object = rb_allocate(rb_klass);
*CVCONNECTEDCOMP(object) = comp;
return object;
}
__NAMESPACE_END_CVCONNECTEDCOMP
__NAMESPACE_END_OPENCV