Class: Aspose::Cloud::Pdf::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/Pdf/converter.rb

Overview

converts pages or document into different formats

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/Pdf/converter.rb', line 8

def initialize(filename)
  @filename = filename
  @save_format = 'pdf'
end

Instance Method Details

#convert(storage_name = '', folder = '', save_format = '') ⇒ Object

convert a document to SaveFormat



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# File 'lib/Pdf/converter.rb', line 98

def convert storage_name='', folder='', save_format=''
  begin

    if save_format.empty? == false
      @save_format = save_format
    end

    if @save_format == ''
      raise('save format not specified')
    end
    if(storage_name.empty? == true)        
      str_uri = $product_uri + '/pdf/' + @filename + '?format=' + @save_format
    else
      str_uri = $product_uri + '/pdf/' + @filename + '?&format=' + @save_format + '&storage='+@save_format+'&folder='+folder
    end
    str_signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)

    response_stream = RestClient.get(str_signed_uri, {:accept=>'application/json'})                

    valid_output = Aspose::Cloud::Common::Utils.validate_output(response_stream)

    if valid_output == ''
  
      if @save_format == 'html'
        save_format = 'zip'
      else
        save_format = @save_format
      end
  
      output_path = $out_put_location + Aspose::Cloud::Common::Utils.get_filename(@filename) + '.' + save_format
      Aspose::Cloud::Common::Utils.save_file(response_stream,output_path)
      return output_path
    else
      return valid_output
    end

  rescue Exception=>e
    print e        
  end      
end

#convert_local_file(input_file, output_filename, output_format) ⇒ Object

Convert PDF to different file format without using storage

@param string inputFile
@param string outputFilename
@param string outputFormat



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# File 'lib/Pdf/converter.rb', line 146

def convert_local_file input_file,output_filename,output_format
  begin

    if input_file == ''
      raise('input file not specified')
    end                

    if output_filename == ''
      raise('output file not specified')
    end

    if output_format == ''
      raise('output format not specified')
    end

    if not File.exist?(input_file)
      raise("input file doesn't exist.")
    end



    str_uri = $product_uri + '/pdf/convert?format=' + output_format
    str_signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)

    response_stream = Aspose::Cloud::Common::Utils.upload_file_binary(input_file, str_signed_uri)                

    valid_output = Aspose::Cloud::Common::Utils.validate_output(response_stream)

    if valid_output == ''
  
      if output_format == 'html'
        save_format = 'zip'
      else
        save_format = output_format
      end
  
      if output_filename == ''
        output_filename = Utils::get_filename(input_file) + '.' + save_format
      end
  
      output_path = $out_put_location + output_filename
      Aspose::Cloud::Common::Utils.save_file(response_stream,output_path)
      return ''
    else
      return valid_output
    end

  rescue Exception=>e
    print e        
  end      
end

#convert_to_image(page_number, image_format) ⇒ Object

convert a particular page to image with default size

@param number page_number
@param string image_format



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# File 'lib/Pdf/converter.rb', line 63

def convert_to_image page_number, image_format
  begin

    if page_number == ''
      raise('page number not specified')
    end

    if image_format == ''
      raise 'image format not specified'
    end

    str_uri = $product_uri + '/pdf/' + @filename + '/pages/' + page_number.to_s + '?format=' + image_format
    str_signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)

    response_stream = RestClient.get(str_signed_uri, {:accept=>'application/json'})                

    valid_output = Aspose::Cloud::Common::Utils.validate_output(response_stream)

    if valid_output == ''          
      output_path = $out_put_location + Aspose::Cloud::Common::Utils.get_filename(@filename) + '_' + page_number.to_s + '.' + image_format
      Aspose::Cloud::Common::Utils.save_file(response_stream,output_path)
      return ''
    else
      return valid_output
    end

  rescue Exception=>e
    print e        
  end      
end

#convert_to_image_by_size(page_number, image_format, width = 0, height = 0) ⇒ Object

convert a particular page to image with specified size

Parameters:

  • string —

    page_number

  • string —

    image_format

  • number —

    width

  • number —

    height



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# File 'lib/Pdf/converter.rb', line 19

def convert_to_image_by_size(page_number, image_format, width=0, height=0)
      
  begin

    if @filename == ''
      raise('filename not specified')
    end

    if page_number == ''
      raise('page number not specified')
    end

    if image_format == ''
      raise('image format not specified')
    end
        

    str_uri = $product_uri + '/pdf/' + @filename + '/pages/' + page_number.to_s + '?format=' + image_format + '&width=' + width.to_s + '&height=' + height.to_s
    str_signed_uri = Aspose::Cloud::Common::Utils.sign(str_uri)

    response_stream = RestClient.get(str_signed_uri, {:accept=>'application/json'})                

    valid_output = Aspose::Cloud::Common::Utils.validate_output(response_stream)

    if valid_output == ''          
      output_path = $out_put_location + Aspose::Cloud::Common::Utils.get_filename(@filename) + '_' + page_number.to_s + '.' + image_format
      Aspose::Cloud::Common::Utils.save_file(response_stream,output_path)
      return ''
    else
      return valid_output
    end

  rescue Exception=>e
    print e
  end
      
end