Class: Compass::SassExtensions::Sprites::ImageRow

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/compass/sass_extensions/sprites/image_row.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(max_width) ⇒ ImageRow

Returns a new instance of ImageRow.



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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 12

def initialize(max_width)
  @images = []
  @max_width = max_width
end

Instance Attribute Details

#images ⇒ Object (readonly)

Returns the value of attribute images.



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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 9

def images
  @images
end

#max_width ⇒ Object (readonly)

Returns the value of attribute max_width.



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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 9

def max_width
  @max_width
end

Instance Method Details

#add(image) ⇒ Object Also known as: << 



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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 17

def add(image)
  return false if !will_fit?(image)
  @images << image
  true
end

#efficiency ⇒ Object 



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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 37

def efficiency
  1 - (total_width.to_f / max_width.to_f)
end

#height ⇒ Object 



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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 25

def height
  images.map(&:height).max
end

#total_width ⇒ Object 



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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 33

def total_width
  images.inject(0) {|sum, img| sum + img.width }
end

#width ⇒ Object 



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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 29

def width
  images.map(&:width).max
end

#will_fit?(image) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/compass/sass_extensions/sprites/image_row.rb', line 41

def will_fit?(image)
  (total_width + image.width) <= max_width
end