module Asposeimagingjava::CompressPngImage
Public Class Methods
new()
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# File lib/asposeimagingjava/images/compresspngimage.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 + "sample.png") # Create an instance of PngOptions options = Rjb::import('com.aspose.imaging.imageoptions.PngOptions').new # Set CompressionLevel options.setCompressionLevel(1) # Save the result on disc image.save(data_dir + "compress.png", options) # Display Status. puts "Compressed PNG image successfully!" end