module Asposeimagingjava::ConvertingRangeOfDjVuPagesToSeparateImages
Public Class Methods
new()
click to toggle source
# File lib/asposeimagingjava/djvu/convertingrangeofdjvupagestoseparateimages.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 BmpOptions export_options = Rjb::import('com.aspose.imaging.imageoptions.BmpOptions').new # Set BitsPerPixel for resultant images export_options.setBitsPerPixel(32) # Create an instance of IntRange and initialize it with range of pages to be exported range = [0, 1] #Export first 2 pages i = 0 while i < 2 # Save each page in separate file, as BMP do not support layering export_options.setMultiPageOptions(Rjb::import('com.aspose.imaging.imageoptions.DjvuMultiPageOptions').new(i)) image.save(data_dir + "djvupages#{i}.bmp", export_options) i +=1 end # Display Status. puts "Converted range of DjVu pages to separate images successfully!" end