boundary_finder.rb in sqed-0.1.1

- old
+ new

@@ -1,7 +1,5 @@
-require 'RMagick'
-
 # Sqed Boundary Finders find boundaries on images and return co-ordinates of those boundaries.  They do not
 # return derivative images. Finders operate on cropped images, i.e. only the "stage".
 #
 class Sqed::BoundaryFinder
   # the passed image
@@ -13,11 +11,11 @@
   # A Sqed::Boundaries instance, stores the coordinates of all of the layout sections 
   attr_reader :boundaries
 
   def initialize(image: image, layout: layout)
     raise 'No layout provided.' if layout.nil?
-    raise 'No image provided.' if image.nil? || image.class != Magick::Image
+    raise 'No image provided.' if image.nil? || image.class.name != 'Magick::Image'
 
     @layout = layout
     @img = image
     true
   end
@@ -50,12 +48,12 @@
     samples_to_take = (image.send(scan) / sample_subdivision_size).to_i - 1
 
     (0..samples_to_take).each do |s|
       # Create a sample image a single pixel tall
       if scan == :rows
-        j = image.crop(0, s * sample_subdivision_size, image.columns, 1, true)
+        j = image.crop(0, s * sample_subdivision_size, image.columns, 1)
       elsif scan == :columns
-        j = image.crop(s * sample_subdivision_size, 0, 1, image.rows, true)
+        j = image.crop(s * sample_subdivision_size, 0, 1, image.rows)
       else
         raise
       end
 
       j.each_pixel do |pixel, c, r|