Module: Asposeimagingjava::ConvertingDjVuToPdf

Defined in:

lib/asposeimagingjava/djvu/convertingdjvutopdf.rb

Instance Method Summary

• #initialize ⇒ Object

Instance Method Details

#initialize ⇒ Object

# File 'lib/asposeimagingjava/djvu/convertingdjvutopdf.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 PdfOptions

    export_options = Rjb::import('com.aspose.imaging.imageoptions.PdfOptions').new
    
    # Initialize the metadata for Pdf document

    export_options.setPdfDocumentInfo(Rjb::import('com.aspose.imaging.fileformats.pdf.PdfDocumentInfo').new)
    
    # Create an instance of IntRange and initialize it with the range of DjVu pages to be exported

    #range = Rjb::import('com.aspose.imaging.IntRange').new(0, 5) # Export first 5 pages

    range = Array[0,1,2,3,4]
    
    # Initialize an instance of DjvuMultiPageOptions with range of DjVu pages to be exported 

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

    image.save(data_dir + "djvu.pdf", export_options)

    # Display Status.

    puts "Converted DjVu to PDF successfully!"
end