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

examples/face_detect.rb

@@ -0,0 +1,25 @@
+#!/usr/bin/env ruby
+# face_detect.rb
+require "rubygems"
+gem "opencv"
+require "opencv"
+
+include OpenCV
+
+window = GUI::Window.new("face detect")
+capture = CvCapture.open
+detector = CvHaarClassifierCascade::load("C:/Program Files/OpenCV/data/haarcascades/haarcascade_frontalface_alt.xml")
+
+while true
+  key = GUI::wait_key(1)
+  image = capture.query
+  detector.detect_objects(image){|i|
+    image.rectangle! i.top_left, i.bottom_right, :color => CvColor::Red
+  }
+  window.show image
+  next unless key
+  case key.chr
+  when "\e"
+    exit
+  end
+end