Class: Compix::SubimageMatch

Inherits:
Object
  • Object
show all
Defined in:
lib/compix/match.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(coord_x, coord_y, pixels_compared, pixels_matched, width, height, limit_for_match = DEFAULT_PERCENT) ⇒ SubimageMatch

Returns a new instance of SubimageMatch.

Raises:

  • (ArgumentError) 


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# File 'lib/compix/match.rb', line 8

def initialize(coord_x, coord_y, pixels_compared, pixels_matched, width, height, limit_for_match=DEFAULT_PERCENT)
  raise ArgumentError.new("Matched more pixels ('#{pixels_matched}') than compared ('#{pixels_compared}')") if pixels_compared < pixels_matched
  @coordinate_x = coord_x
  @coordinate_y = coord_y
  @pixels_compared = pixels_compared
  @pixels_matched = pixels_matched
  @width = width
  @height = height
  @match = limit_for_match <= self.match_percentage
end

Instance Attribute Details

#coordinate_x ⇒ Object (readonly)

Returns the value of attribute coordinate_x.



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# File 'lib/compix/match.rb', line 6

def coordinate_x
  @coordinate_x
end

#coordinate_y ⇒ Object (readonly)

Returns the value of attribute coordinate_y.



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# File 'lib/compix/match.rb', line 6

def coordinate_y
  @coordinate_y
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/compix/match.rb', line 6

def height
  @height
end

#pixels_compared ⇒ Object (readonly)

Returns the value of attribute pixels_compared.



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# File 'lib/compix/match.rb', line 6

def pixels_compared
  @pixels_compared
end

#pixels_matched ⇒ Object (readonly)

Returns the value of attribute pixels_matched.



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# File 'lib/compix/match.rb', line 6

def pixels_matched
  @pixels_matched
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/compix/match.rb', line 6

def width
  @width
end

Instance Method Details

#coordinate_middle ⇒ Object 



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# File 'lib/compix/match.rb', line 44

def coordinate_middle
  x = @coordinate_x + @width / 2
  y = @coordinate_y + @height / 2
  return [x, y]
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/compix/match.rb', line 28

def eql?(other)
  other.class.eql?(self.class) && other.state.eql?(self.state)
end

#match? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/compix/match.rb', line 24

def match?
  @match
end

#match_percentage ⇒ Object 



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# File 'lib/compix/match.rb', line 19

def match_percentage
  return 0 if pixels_compared == 0
  pixels_matched.to_f / pixels_compared
end

#overlaped_by?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/compix/match.rb', line 32

def overlaped_by?(other)
  return false if other.coordinate_x + other.width <= @coordinate_x
  return false if other.coordinate_x >= @coordinate_x + @width
  return false if other.coordinate_y + other.height <= @coordinate_y
  return false if other.coordinate_y >= @coordinate_y + @height
  true
end

#state ⇒ Object 



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# File 'lib/compix/match.rb', line 40

def state
  [@coordinate_x, @coordinate_y, @pixels_compared, @pixels_matched]
end