Class: Mittsu::ImageLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/mittsu/loaders/image_loader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(manager = DefaultLoadingManager) ⇒ ImageLoader

Returns a new instance of ImageLoader.



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# File 'lib/mittsu/loaders/image_loader.rb', line 13

def initialize(manager = DefaultLoadingManager)
  @manager = manager
end

Instance Attribute Details

#manager ⇒ Object

Returns the value of attribute manager.



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# File 'lib/mittsu/loaders/image_loader.rb', line 11

def manager
  @manager
end

Instance Method Details

#load(url, flip: false, flop: false) ⇒ Object 



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# File 'lib/mittsu/loaders/image_loader.rb', line 17

def load(url, flip: false, flop: false)
  chache_url = "#{url}?flip=#{flip}&flop=#{flop}"
  cached = Cache.get(chache_url)
  return cached unless cached.nil?

  png_image = ChunkyPNG::Image.from_file(url)
  png_image.flip_horizontally! if flip
  png_image.flip_vertically! if flop
  rgba_data = png_image.to_rgba_stream

  image = Image.new(png_image.width, png_image.height, rgba_data)

  Cache.add(url, image)
  @manager.item_start(url)
  image
end