Class: Aspose::Cloud::OCR::Extractor

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

Instance Method Summary collapse

Instance Method Details

#extract_text(*args) ⇒ Object

Extract OCR or HOCR Text from Images

@param string url URL of the document.
@param string language Language of document to recogniize.
@param boolean use_default_dictionaries Allows to correct text after recognition using default dictionaries.
@param number rectX X position of rectangle.
@param number rectY Y position of rectangle.
@param number rectWidth Width of rectangle.
@param number rectHeight Height of rectangle.



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# File 'lib/Ocr/extractor.rb', line 16

def extract_text(*args)
  case args.size
  when 2
    image_file_name,folder = *args
      str_uri = ''
      if(folder=='' || folder==nil)
        str_uri += Aspose::Cloud::Common::Product.product_uri + '/ocr/' + image_file_name.to_s + '/recognize'
      else
        str_uri += Aspose::Cloud::Common::Product.product_uri + '/ocr/' + image_file_name.to_s + '/recognize?folder=' + folder.to_s
      end
  
      signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)

      response = RestClient.get(signed_uri, :accept=> 'application/json')
      json = JSON.parse(response)
      return json
  when 4
    image_file_name,folder,language,use_default_dictionaries = *args
      str_uri = ''
      if(folder=='' || folder==nil)
        str_uri += Aspose::Cloud::Common::Product.product_uri + '/ocr/' + image_file_name.to_s + '/recognize?language=' + language.to_s + '&useDefaultDictionaries=' + use_default_dictionaries.to_s
      else
        str_uri += Aspose::Cloud::Common::Product.product_uri + '/ocr/' + image_file_name.to_s + '/recognize?language=' + language.to_s + '&useDefaultDictionaries=' + use_default_dictionaries.to_s + '&folder=' + folder.to_s
      end
  
      signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)

      response = RestClient.get(signed_uri, :accept=> 'application/json')
      json = JSON.parse(response)
      return json
  when 1
    image_file_name = args[0]
      str_uri = Aspose::Cloud::Common::Product.product_uri + '/ocr/'	+ image_file_name + '/recognize?useDefaultDictionaries=true'
      signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)
      response = RestClient.get(signed_uri, :accept=> 'application/json')
      json = JSON.parse(response)
      return json
  when 8
    image_file_name, language , use_default_dictionaries, x , y, height, width, folder = *args
      str_uri = Aspose::Cloud::Common::Product.product_uri
      str_uri	+= '/ocr/'
      str_uri	+= image_file_name
      str_uri	+= '/recognize?language='
      str_uri	+= language
      str_uri	+= ((x >= 0 && y >= 0 && width > 0 && height > 0) ? '&rectX=' + x.to_s	+ '&rectY=' + y.to_s + '&rectWidth=' + width.to_s + '&rectHeight=' + height.to_s : '') 
      str_uri	+= '&useDefaultDictionaries='
      str_uri	+= ((use_default_dictionaries) ? 'true' : 'false')
      str_uri	+=((folder=='') ? '' : '&folder=' + folder)

      signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)

      response = RestClient.get(signed_uri, :accept=> 'application/json')
      json = JSON.parse(response)
      return json
  when 3
    stream,language,use_default_dictionaries = *args
      str_uri = Aspose::Cloud::Common::Product.product_uri + '/ocr/recognize?language=' + language.to_s + '&useDefaultDictionaries=' + use_default_dictionaries.to_s
      signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)
      response = RestClient.post(signed_uri,stream, :accept=> 'application/json')
      json = JSON.parse(response)
      return json
  end
end

#extract_text_from_local_file(local_file, language, use_default_dictionaries) ⇒ Object

Extract OCR or HOCR Text from Images without using Storage

@param string local_file Path of the file.
@param string language Language of document to recogniize.
@param boolean use_default_dictionaries Allows to correct text after recognition using default dictionaries.



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# File 'lib/Ocr/extractor.rb', line 86

def extract_text_from_local_file(local_file,language,use_default_dictionaries)
    str_uri = Aspose::Cloud::Common::Product.product_uri + '/ocr/recognize?language=' + language.to_s + '&useDefaultDictionaries=' + use_default_dictionaries.to_s
    file_stream = File.binread(local_file)
    signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)
    response = RestClient.post(signed_uri,file_stream, :accept=> 'application/json')
    json = JSON.parse(response)
    return json
end

#extract_text_from_url(url, language, use_default_dictionaries) ⇒ Object

Extract OCR or HOCR Text from Image URL

@param string url URL of the document.
@param string language Language of document to recogniize.
@param boolean use_default_dictionaries Allows to correct text after recognition using default dictionaries.



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# File 'lib/Ocr/extractor.rb', line 101

def extract_text_from_url(url,language,use_default_dictionaries)
    str_uri = Aspose::Cloud::Common::Product.product_uri + '/ocr/recognize?url=' + url.to_s + '&language=' + language.to_s + '&useDefaultDictionaries=' + use_default_dictionaries.to_s
    signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)
    response = RestClient.post(signed_uri, '', {:accept => 'application/json'})
    json=JSON.parse(response)
    return json
end