add OpenCV::build_information (wrapper of cv::getBuildInformation())

ruby-opencv · May 22, 2012 · 56b33ca · 56b33ca
1 parent 0cd12f6
commit 56b33ca
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diff --git a/ext/opencv/opencv.cpp b/ext/opencv/opencv.cpp
@@ -527,6 +527,8 @@ define_ruby_module()
   rb_define_module_function(rb_module, "Luv2RGB", RUBY_METHOD_FUNC(rb_Luv2RGB), 1);
   rb_define_module_function(rb_module, "HLS2BGR", RUBY_METHOD_FUNC(rb_HLS2BGR), 1);
   rb_define_module_function(rb_module, "HLS2RGB", RUBY_METHOD_FUNC(rb_HLS2RGB), 1);
+
+  rb_define_module_function(rb_module, "build_information", RUBY_METHOD_FUNC(rb_build_information), 0);
 }
 
 #define CREATE_CVTCOLOR_FUNC(rb_func_name, c_const_name, src_cn, dest_cn) \
@@ -620,6 +622,13 @@ CREATE_CVTCOLOR_FUNC(rb_Luv2RGB, CV_Luv2RGB, 3, 3);
 CREATE_CVTCOLOR_FUNC(rb_HLS2BGR, CV_HLS2BGR, 3, 3);
 CREATE_CVTCOLOR_FUNC(rb_HLS2RGB, CV_HLS2RGB, 3, 3);
 
+VALUE
+rb_build_information(VALUE klass)
+{
+  return rb_str_new_cstr(cv::getBuildInformation().c_str());
+}
+
+
 int
 error_callback(int status, const char *function_name, const char *error_message,
 	       const char *file_name, int line, void *user_data)

diff --git a/ext/opencv/opencv.h b/ext/opencv/opencv.h
@@ -393,6 +393,8 @@ VALUE rb_Luv2RGB(VALUE klass, VALUE image);
 VALUE rb_HLS2BGR(VALUE klass, VALUE image);
 VALUE rb_HLS2RGB(VALUE klass, VALUE image);
 
+VALUE rb_build_information(VALUE klass);
+
 __NAMESPACE_END_OPENCV
 
 #endif // RUBY_OPENCV_H
diff --git a/test/test_opencv.rb b/test/test_opencv.rb
@@ -329,6 +329,12 @@ def test_cvt_color_funcs
 
     flunk('FIXME: Most cvtColor functions are not tested yet.')
   end
+
+  def test_build_information
+    s = build_information
+    assert_equal(String, s.class)
+    assert(s =~ /^\s+General configuration for OpenCV #{CV_VERSION}/)
+  end
 end