1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
require 'forwardable'
module Compass
module SassExtensions
module Sprites
class ImageRow
extend Forwardable
attr_reader :images, :max_width
def_delegators :@images, :last, :delete, :empty?, :length
def initialize(max_width)
@images = []
@max_width = max_width
end
def add(image)
return false if !will_fit?(image)
@images << image
true
end
alias :<< :add
def height
images.map(&:height).max
end
def width
images.map(&:width).max
end
def total_width
images.inject(0) {|sum, img| sum + img.width }
end
def efficiency
1 - (total_width.to_f / max_width.to_f)
end
def will_fit?(image)
(total_width + image.width) <= max_width
end
end
end
end
end
|
