module Asposeimagingjava::ConvertingRangeOfDjVuPages

Public Class Methods

new() click to toggle source
# 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