add FisherFaces

ext/opencv/fisherfaces.cpp

@@ -0,0 +1,67 @@
+/************************************************************
+
+   fisherfaces.cpp -
+
+   $Author: ser1zw $
+
+   Copyright (C) 2013 ser1zw
+
+************************************************************/
+#include <stdio.h>
+#include "fisherfaces.h"
+/*
+ * Document-class: OpenCV::FisherFaces
+ *
+ */
+__NAMESPACE_BEGIN_OPENCV
+__NAMESPACE_BEGIN_FISHERFACES
+
+VALUE rb_klass;
+
+VALUE
+rb_class()
+{
+  return rb_klass;
+}
+
+/* 
+ * call-seq:
+ *   FisherFaces.new(num_components=0, threshold=DBL_MAX)
+ */
+VALUE
+rb_initialize(int argc, VALUE argv[], VALUE self)
+{
+  VALUE num_components_val, threshold_val;
+  rb_scan_args(argc, argv, "02", &num_components_val, &threshold_val);
+
+  int num_components = NIL_P(num_components_val) ? 0 : NUM2INT(num_components_val);
+  double threshold = NIL_P(threshold_val) ? DBL_MAX : NUM2DBL(threshold_val);
+
+  free(DATA_PTR(self));
+  cv::Ptr<cv::FaceRecognizer> ptr = cv::createFisherFaceRecognizer(num_components, threshold);
+  DATA_PTR(self) = ptr;
+
+  cFaceRecognizer::guard_facerecognizer(DATA_PTR(self), ptr);
+
+  return self;
+}
+
+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, "FisherFaces", cFaceRecognizer::rb_class());
+  rb_define_alloc_func(rb_klass, cFaceRecognizer::allocate_facerecognizer);
+  rb_define_private_method(rb_klass, "initialize", RUBY_METHOD_FUNC(rb_initialize), -1);
+}
+
+__NAMESPACE_END_FISHERFACES
+__NAMESPACE_END_OPENCV
+