Class: AppEngine::Images::Image

Inherits:
Object
  • Object
show all
Defined in:
lib/appengine-apis/images.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Image

Returns a new instance of Image.



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# File 'lib/appengine-apis/images.rb', line 170

def initialize(data)
  @image =  IS::ImagesServiceFactory.make_image(data.to_java_bytes)
end

Class Method Details

.open(filename) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 156

def self.open(filename)
  File.open(filename) do |file|
    return new(file.read)
  end
end

Instance Method Details

#apply_transform(transform) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 174

def apply_transform(transform)
  Image.new(data).deep_transform(transform)
end

#crop(leftX, topY, rightX, bottomY) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 213

def crop(leftX, topY, rightX, bottomY)
  apply_transform IS::ImagesServiceFactory.make_crop(leftX, topY, rightX, bottomY)
end

#crop!(leftX, topY, rightX, bottomY) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 217

def crop!(leftX, topY, rightX, bottomY)
  @image = crop(leftX, topY, rightX, bottomY)
end

#data ⇒ Object Also known as: to_s 



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# File 'lib/appengine-apis/images.rb', line 229

def data
  String.from_java_bytes @image.image_data
end

#deep_transform(transform) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 178

def deep_transform(transform)
  IS::Service.apply_transform(transform, @image)
  self
end

#flip(direction = :horizontal) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 199

def flip(direction = :horizontal)
  if direction.to_sym == :horizontal
    return apply_transform IS::ImagesServiceFactory.make_horizontal_flip
  elsif direction.to_sym == :vertical
    return apply_transform IS::ImagesServiceFactory.make_vertical_flip
  else
    raise ArgumentError, 'Direction must be :horizontal or :vertical'
  end
end

#flip!(direction) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 209

def flip!(direction)
  @image = flip(direction)
end

#height ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 162

def height
  @image.getHeight
end

#i_feel_lucky ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 221

def i_feel_lucky
  apply_transform IS::ImagesServiceFactory.make_im_feeling_lucky
end

#i_feel_lucky! ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 225

def i_feel_lucky!
  @image = i_feel_lucky
end

#resize(width, height) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 183

def resize(width, height)
  apply_transform IS::ImagesServiceFactory.make_resize(width, height)
end

#resize!(width, height) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 187

def resize!(width, height)
  @image = resize(width, height)
end

#rotate(degree) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 191

def rotate(degree)
  apply_transform IS::ImagesServiceFactory.make_rotate(degree)
end

#rotate!(degree) ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 195

def rotate!(degree)
  @image = rotate(degree)
end

#width ⇒ Object 



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# File 'lib/appengine-apis/images.rb', line 166

def width
  @image.getWidth
end