Module: Morandi::RedEye::TapRedEye

Defined in:
lib/morandi/redeye.rb

Class Method Summary collapse

Class Method Details

.tap_on(pb, x, y) ⇒ Object 



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# File 'lib/morandi/redeye.rb', line 7

def tap_on(pb, x, y)
  n = ([pb.height,pb.width].max / 10)
  x1  = [x - n, 0].max
  x2  = [x + n, pb.width].min
  y1  = [y - n, 0].max
  y2  = [y + n, pb.height].min
  return pb unless (x1 >= 0) && (x2 > x1) && (y1 >= 0) && (y2 > y1)
  redeye = ::RedEye.new(pb, x1, y1, x2, y2)

  sensitivity = 2
  blobs = redeye.identify_blobs(sensitivity).reject { |i|
    i.noPixels < 4 or ! i.squareish?(0.5, 0.4)
  }.sort_by { |i|
    i.area_min_x = x1
    i.area_min_y = y1

    # Higher is better
    score = (i.noPixels) / (i.distance_from(x, y) ** 2)
  }

  #blobs.each do |blob|
  #  p [ [x, y], blob.centre(), blob.distance_from(x, y), blob]
  #end

  blob = blobs.last
  redeye.correct_blob(blob.id) if blob
  pb = redeye.pixbuf
end