Class: Compass::SassExtensions::Sprites::Engine

Inherits:
Object
  • Object
show all
Defined in:
lib/compass/sass_extensions/sprites/engines.rb

Direct Known Subclasses

ChunkyPngEngine

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(width, height, images) ⇒ Engine

Returns a new instance of Engine.



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# File 'lib/compass/sass_extensions/sprites/engines.rb', line 6

def initialize(width, height, images)
  @width, @height, @images = width, height, images
  @canvas = nil
end

Instance Attribute Details

#canvas ⇒ Object

Returns the value of attribute canvas.



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# File 'lib/compass/sass_extensions/sprites/engines.rb', line 5

def canvas
  @canvas
end

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/compass/sass_extensions/sprites/engines.rb', line 5

def height
  @height
end

#images ⇒ Object

Returns the value of attribute images.



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# File 'lib/compass/sass_extensions/sprites/engines.rb', line 5

def images
  @images
end

#width ⇒ Object

Returns the value of attribute width.



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# File 'lib/compass/sass_extensions/sprites/engines.rb', line 5

def width
  @width
end

Instance Method Details

#construct_sprite ⇒ Object

Raises:

  • (::Compass::Error) 


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# File 'lib/compass/sass_extensions/sprites/engines.rb', line 11

def construct_sprite
  raise ::Compass::Error, "You must implement construct_sprite"
end

#save(filename) ⇒ Object

Raises:

  • (::Compass::Error) 


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# File 'lib/compass/sass_extensions/sprites/engines.rb', line 15

def save(filename)
  raise ::Compass::Error, "You must implement save(filename)"
end