Initial commit, with some minor changes from orig (date, exec bit, line endings, /usr/bin/env)

ext/cvconnectedcomp.cpp

@@ -0,0 +1,115 @@
+/************************************************************
+
+   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), 0);
+}
+
+VALUE
+rb_allocate(VALUE klass)
+{
+  CvConnectedComp *ptr;
+  return Data_Make_Struct(klass, CvConnectedComp, 0, -1, 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;
+}
+
+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