Class: Gcloud::Vision::Annotation::Properties

Inherits:
Object
  • Object
show all
Defined in:
lib/gcloud/vision/annotation/properties.rb

Overview

# Properties

A set of properties about an image, such as the image’s dominant colors.

See Image#properties.

Examples:

require "gcloud"

gcloud = Gcloud.new
vision = gcloud.vision

image = vision.image "path/to/logo.jpg"

properties = image.properties
properties.colors.count #=> 10

Defined Under Namespace

Classes: Color

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Properties 



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# File 'lib/gcloud/vision/annotation/properties.rb', line 44

def initialize
  @gapi = {}
end

Instance Attribute Details

#gapi ⇒ Object 



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# File 'lib/gcloud/vision/annotation/properties.rb', line 40

def gapi
  @gapi
end

Class Method Details

.from_gapi(gapi) ⇒ Object 



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# File 'lib/gcloud/vision/annotation/properties.rb', line 108

def self.from_gapi gapi
  new.tap { |f| f.instance_variable_set :@gapi, gapi }
end

Instance Method Details

#colors ⇒ Array<Color>

The image’s dominant colors, including their corresponding scores.



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# File 'lib/gcloud/vision/annotation/properties.rb', line 53

def colors
  return [] unless @gapi.dominant_colors
  @colors ||= Array(@gapi.dominant_colors.colors).map do |c|
    Color.from_gapi c
  end
end

#inspect ⇒ Object 



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# File 'lib/gcloud/vision/annotation/properties.rb', line 102

def inspect
  "#<Properties #{self}>"
end

#to_a ⇒ Array

Returns the object’s property values as an array.



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# File 'lib/gcloud/vision/annotation/properties.rb', line 65

def to_a
  to_ary
end

#to_ary ⇒ Array

Returns the object’s property values as an array.



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# File 'lib/gcloud/vision/annotation/properties.rb', line 74

def to_ary
  colors.map(&:rgb)
end

#to_h ⇒ Hash

Deeply converts object to a hash. All keys will be symbolized.



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# File 'lib/gcloud/vision/annotation/properties.rb', line 83

def to_h
  to_hash
end

#to_hash ⇒ Hash

Deeply converts object to a hash. All keys will be symbolized.



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# File 'lib/gcloud/vision/annotation/properties.rb', line 92

def to_hash
  { colors: colors.map(&:to_h) }
end

#to_s ⇒ Object 



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# File 'lib/gcloud/vision/annotation/properties.rb', line 97

def to_s
  "(colors: #{colors.count})"
end