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

Inherits:

Object

• Object
• Compass::SassExtensions::Sprites::ImageRow

show all

Extended by:

Forwardable

Defined in:

lib/compass/sass_extensions/sprites/image_row.rb

Instance Attribute Summary (collapse)

• - (Object) images readonly

  Returns the value of attribute images.

• - (Object) max_width readonly

  Returns the value of attribute max_width.

Instance Method Summary (collapse)

• - (Object) add(image) (also: #<<)
• - (Object) efficiency
• - (Object) height
• - (ImageRow) initialize(max_width) constructor

  A new instance of ImageRow.

• - (Object) total_width
• - (Object) width
• - (Boolean) will_fit?(image)

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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

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

def images
  @images
end

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

def max_width
  @max_width
end

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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

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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

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

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

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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

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

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

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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