Module: Asposeimagingjava::ConvertingRangeOfDjVuPages

Defined in:

lib/asposeimagingjava/djvu/convertingrangeofdjvupages.rb

Instance Method Summary

• #initialize ⇒ Object

Instance Method Details

#initialize ⇒ Object

# File 'lib/asposeimagingjava/djvu/convertingrangeofdjvupages.rb', line 3

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

    # Load an existing image (of type bmp) in an instance of Image class

    image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "demo.djvu")

    # Create an instance of TiffOptions & use preset options for Black n While with Deflate compression

    tiff_expected_format = Rjb::import('com.aspose.imaging.fileformats.tiff.enums.TiffExpectedFormat')
    export_options = Rjb::import('com.aspose.imaging.imageoptions.TiffOptions').new(tiff_expected_format.TiffDeflateBW)

    # Create an instance of IntRange and initialize it with range of pages to be exported

    range = [0, 1] #Export first 2 pages

    
    # Initialize an instance of DjvuMultiPageOptions 

    export_options.setMultiPageOptions(Rjb::import('com.aspose.imaging.imageoptions.DjvuMultiPageOptions').new(range))
    
    # Save the result in PDF format

    image.save(data_dir + "PagesRange.tiff", export_options)

    # Display Status.

    puts "Converted range of DjVu pages successfully!"
end