Class: PsdToSprite::SpriteMaker

Inherits:
Object
  • Object
show all
Defined in:
lib/psd_to_sprite.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(psd_path) ⇒ SpriteMaker

Returns a new instance of SpriteMaker.



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# File 'lib/psd_to_sprite.rb', line 10

def initialize(psd_path)
  @path = Pathname.new(psd_path)
  @psd = PSD.new(psd_path)
end

Instance Attribute Details

#frame_height ⇒ Object (readonly)

Returns the value of attribute frame_height.



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# File 'lib/psd_to_sprite.rb', line 8

def frame_height
  @frame_height
end

#frame_width ⇒ Object (readonly)

Returns the value of attribute frame_width.



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# File 'lib/psd_to_sprite.rb', line 8

def frame_width
  @frame_width
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/psd_to_sprite.rb', line 8

def path
  @path
end

#psd ⇒ Object (readonly)

Returns the value of attribute psd.



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# File 'lib/psd_to_sprite.rb', line 8

def psd
  @psd
end

Instance Method Details

#process(output_path = nil) ⇒ Object 



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# File 'lib/psd_to_sprite.rb', line 15

def process(output_path = nil)
  psd.parse!
  root_node = psd.tree
  @frame_height = root_node.height
  @frame_width = root_node.width

  output_width = root_node.children.count * frame_width

  pngs = collect_pngs_from_layers(root_node.children)
  img  = save_pngs_to_new_image(pngs, output_width, frame_height)

  return img.write(output_path) if output_path
  img.write("#{path.dirname}/#{filename_without_ext}.png")
end