Class: Nakal::Common::BaseScreen

Inherits:
Object
  • Object
show all
Defined in:
lib/nakal/base_screen.rb

Direct Known Subclasses

Android::Screen, Ios::Screen

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_name, mode = :load, image = nil) ⇒ BaseScreen

Returns a new instance of BaseScreen.



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# File 'lib/nakal/base_screen.rb', line 7

def initialize file_name, mode = :load, image = nil
  @name = file_name
  @image = image
  capture if mode.eql?(:capture)
  image.nil? ? @image = Magick::Image.read("#{Nakal.image_location}/#{@name}.png")[0] : @image=image
end

Instance Attribute Details

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/nakal/base_screen.rb', line 5

def image
  @image
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/nakal/base_screen.rb', line 5

def name
  @name
end

Instance Method Details

#apply_mask ⇒ Object 



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# File 'lib/nakal/base_screen.rb', line 38

def apply_mask
  image_mask_params = Nakal.default_crop_params[Nakal.device_name][image_relative_path.gsub("_current", "")]
  return self if image_mask_params.nil?
  image_mask_params.each do |region, params|
    gc = Magick::Draw.new.fill('black').rectangle(*params)
    gc.draw @image
  end
  self
end

#compare(screen) ⇒ Object 



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# File 'lib/nakal/base_screen.rb', line 29

def compare screen
  @image.fuzz= Nakal.fuzz * Magick::QuantumRange / 100.0
  total_pixel = @image.rows * @image.columns
  diff_img, no_of_pixels_mismatch = self.apply_mask.strip.compare_channel(screen.apply_mask.strip, Magick::AbsoluteErrorMetric)
  diff_screen = Nakal.current_platform::Screen.new("#{@name}_diff", :none, diff_img)
  percentage_diff = (no_of_pixels_mismatch/total_pixel)*100
  return diff_screen,percentage_diff
end

#delete! ⇒ Object 



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# File 'lib/nakal/base_screen.rb', line 52

def delete!
  FileUtils.rm "#{Nakal.image_location}/#{@name}.png"
end

#image_relative_path ⇒ Object 



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# File 'lib/nakal/base_screen.rb', line 48

def image_relative_path
  Nakal.image_relative_dir.eql?(".") ? @name : "#{Nakal.image_relative_dir}/#{@name}"
end

#save ⇒ Object 



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# File 'lib/nakal/base_screen.rb', line 56

def save
  @image.write("#{Nakal.image_location}/#{@name}.png")
end

#strip ⇒ Object 



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# File 'lib/nakal/base_screen.rb', line 14

def strip
  crop_params = Nakal.default_crop_params[Nakal.device_name]
  if crop_params.nil?
    @image
  else
    width = @image.columns
    height = @image.rows
    x_start = crop_params["left"]
    y_start = crop_params["top"]
    width_to_consider = width-crop_params["right"]-x_start
    height_to_consider = height-crop_params["bottom"]-y_start
    @image.crop(x_start, y_start, width_to_consider, height_to_consider)
  end
end