Module: Asposebarcodejava::MakingBarcodeRegions

Defined in:
lib/asposebarcodejava/BarcodeRecognition/makingbarcoderegions.rb

Instance Method Summary collapse

Instance Method Details

#initialize ⇒ Object 



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# File 'lib/asposebarcodejava/BarcodeRecognition/makingbarcoderegions.rb', line 3

def initialize()
    data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/'

    # initialize barcode reader
    img = data_dir + "barcode.jpg"
    barcode_reader_type = Rjb::import('com.aspose.barcoderecognition.BarCodeReadType')
    reader = Rjb::import('com.aspose.barcoderecognition.BarCodeReader').new(img, barcode_reader_type.Code39Standard)

    # Try to recognize all possible barcodes in the image
    while reader.read()
        # Display the symbology type
        puts "BarCode Type: " + reader.getReadType().to_s
        # Display the codetext
        puts "BarCode CodeText: " + reader.getCodeText().to_s
        # Get the barcode region
        region = reader.getRegion()
        
        if region != nil
            # Initialize an object of type BufferedImage to get the Graphics object
            bufferedImage = Rjb::import('javax.imageio.ImageIO').read(Rjb::import('java.io.File').new(img))
            
            # Initialize graphics object from the image
            g = bufferedImage.getGraphics()
            
            color = Rjb::import('java.awt.Color')
            # Initialize paint object
            p = Rjb::import('java.awt.GradientPaint').new(0, 0, color.red, 100, 100, color.pink, true)
                     
            region.drawBarCodeEdges(g, color.RED)
                     
            # Save the image
            Rjb::import('javax.imageio.ImageIO').write(bufferedImage, "png", Rjb::import('java.io.File').new(data_dir + "Code39StdOut.png"))
        end
    end

    # Close reader
    reader.close()
end