Class: BlurhashRuby

Inherits:
Object
  • Object
show all
Extended by:
DECODER, ENCODER
Defined in:
lib/blurhash_ruby.rb

Class Method Summary collapse

Methods included from DECODER

decode

Methods included from ENCODER

encode

Class Method Details

.decode_blurhash(blurhash, height: 2, width: 4, punch: 1, as_img: false) ⇒ Object 



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# File 'lib/blurhash_ruby.rb', line 22

def self.decode_blurhash(blurhash, height: 2, width: 4, punch: 1, as_img: false)
  # Usage: BlurhashRuby.decode_blurhash('LHB3~nxvjYax0Mo#o#t7-cayWBWE')
  FileUtils.mkdir_p 'tmp'
  filename = 'tmp/out.png'
  file_path = Dir.pwd + "/#{filename}"

  decode(file_path, blurhash, height, width, punch)
  base64_image = File.open(file_path, "rb") do |file|
    Base64.strict_encode64(file.read)
  end
  as_img ? 'data:image/png;base64,' + base64_image : base64_image
end

.encode_image(image_url, x_comp: 4, y_comp: 3) ⇒ Object 



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# File 'lib/blurhash_ruby.rb', line 14

def self.encode_image(image_url, x_comp: 4, y_comp: 3)
  # Usage: BlurhashRuby.encode_image('https://cdn.pixabay.com/photo/2018/01/14/23/12/nature-3082832__480.jpg')
  filename = 'in.png'
  File.write filename, URI.open(image_url).read
  file_path = Dir.pwd + "/#{filename}"
  encode(file_path, x_comp, y_comp)
end