Class: Region

Inherits:
Object
  • Object
show all
Defined in:
lib/capybara/screenshot/diff/region.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x, y, width, height) ⇒ Region

Returns a new instance of Region.



6
7
8
 
# File 'lib/capybara/screenshot/diff/region.rb', line 6

def initialize(x, y, width, height)
  @x, @y, @width, @height = x, y, width, height
end

Instance Attribute Details

#height ⇒ Object

Returns the value of attribute height.



4
5
6
 
# File 'lib/capybara/screenshot/diff/region.rb', line 4

def height
  @height
end

#width ⇒ Object

Returns the value of attribute width.



4
5
6
 
# File 'lib/capybara/screenshot/diff/region.rb', line 4

def width
  @width
end

#x ⇒ Object

Returns the value of attribute x.



4
5
6
 
# File 'lib/capybara/screenshot/diff/region.rb', line 4

def x
  @x
end

#y ⇒ Object

Returns the value of attribute y.



4
5
6
 
# File 'lib/capybara/screenshot/diff/region.rb', line 4

def y
  @y
end

Class Method Details

.from_edge_coordinates(left, top, right, bottom) ⇒ Object 



17
18
19
20
21
22
 
# File 'lib/capybara/screenshot/diff/region.rb', line 17

def self.from_edge_coordinates(left, top, right, bottom)
  return nil unless left && top && right && bottom
  return nil if right < left || bottom < top

  Region.new(left, top, right - left, bottom - top)
end

.from_top_left_corner_coordinates(x, y, width, height) ⇒ Object 



10
11
12
13
14
15
 
# File 'lib/capybara/screenshot/diff/region.rb', line 10

def self.from_top_left_corner_coordinates(x, y, width, height)
  return nil unless x && y && width && height
  return nil if width < 0 || height < 0

  Region.new(x, y, width, height)
end

Instance Method Details

#bottom ⇒ Object 



36
37
38
 
# File 'lib/capybara/screenshot/diff/region.rb', line 36

def bottom
  y + height
end

#cover?(x, y) ⇒ Boolean

Returns:

  • (Boolean) 


83
84
85
 
# File 'lib/capybara/screenshot/diff/region.rb', line 83

def cover?(x, y)
  left <= x && x <= right && top <= y && y <= bottom
end

#find_intersect_with(region) ⇒ Object 



59
60
61
62
63
64
65
66
 
# File 'lib/capybara/screenshot/diff/region.rb', line 59

def find_intersect_with(region)
  return nil unless intersect?(region)

  new_left = [x, region.x].max
  new_top = [y, region.y].max

  Region.new(new_left, new_top, [right, region.right].min - new_left, [bottom, region.bottom].min - new_top)
end

#find_relative_intersect(region) ⇒ Object 



76
77
78
79
80
81
 
# File 'lib/capybara/screenshot/diff/region.rb', line 76

def find_relative_intersect(region)
  intersect = find_intersect_with(region)
  return nil unless intersect

  intersect.move_by(-x, -y)
end

#intersect?(region) ⇒ Boolean

Returns:

  • (Boolean) 


68
69
70
 
# File 'lib/capybara/screenshot/diff/region.rb', line 68

def intersect?(region)
  left <= region.right && right >= region.left && top <= region.bottom && bottom >= region.top
end

#left ⇒ Object 



40
41
42
 
# File 'lib/capybara/screenshot/diff/region.rb', line 40

def left
  x
end

#move_by(right_by, down_by) ⇒ Object 



72
73
74
 
# File 'lib/capybara/screenshot/diff/region.rb', line 72

def move_by(right_by, down_by)
  Region.new(x + right_by, y + down_by, width, height)
end

#right ⇒ Object 



44
45
46
 
# File 'lib/capybara/screenshot/diff/region.rb', line 44

def right
  x + width
end

#size ⇒ Object 



48
49
50
51
52
53
 
# File 'lib/capybara/screenshot/diff/region.rb', line 48

def size
  return 0 if width < 0 || height < 0

  result = width * height
  result.zero? ? 1 : result
end

#to_a ⇒ Object 



55
56
57
 
# File 'lib/capybara/screenshot/diff/region.rb', line 55

def to_a
  [@x, @y, @width, @height]
end

#to_edge_coordinates ⇒ Object 



24
25
26
 
# File 'lib/capybara/screenshot/diff/region.rb', line 24

def to_edge_coordinates
  [left, top, right, bottom]
end

#to_top_left_corner_coordinates ⇒ Object 



28
29
30
 
# File 'lib/capybara/screenshot/diff/region.rb', line 28

def to_top_left_corner_coordinates
  [x, y, width, height]
end

#top ⇒ Object 



32
33
34
 
# File 'lib/capybara/screenshot/diff/region.rb', line 32

def top
  y
end