Module: Asposeimagingjava::AddImagesAsSeparateFramesInTiff

Defined in:
lib/asposeimagingjava/images/addimagesasseparateframesintiff.rb

Instance Method Summary collapse

Instance Method Details

#initialize ⇒ Object 



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# File 'lib/asposeimagingjava/images/addimagesasseparateframesintiff.rb', line 3

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

    # Create an instance of TiffOptions with CCITTFAX3 compression

    tiff_expected_format = Rjb::import('com.aspose.imaging.fileformats.tiff.enums.TiffExpectedFormat')
    output_settings = Rjb::import('com.aspose.imaging.imageoptions.TiffOptions').new(tiff_expected_format.TiffCcittFax3)
    
    # Set source for the result

    output_settings.setSource(Rjb::import('com.aspose.imaging.sources.FileCreateSource').new(data_dir + "output.tiff", false))
        
    # Declare Height and Width for the new TiffImage

    new_width = 500
    new_height = 500

    # Create an instance of TiffImage using the object of TiffOptions and dimension

    tiff_image = Rjb::import('com.aspose.imaging.Image').create(output_settings, new_width, new_height)
        
    # Initialize a variable to keep track of frames in the TiffImage

    index = 0
    
    # Read all JPG files from any specified directory and iterate over the list

    folder = Rjb::import('java.io.File').new(data_dir + "samples/")

    files = folder.listFiles()
    files.each do |fileEntry|
        # Load the image into an instance of RasterImage

        image = Rjb::import('com.aspose.imaging.Image').load(fileEntry.getAbsolutePath())
        
        # Resize the image according to TiffImage dimensions

        image.resize(new_width, new_height, Rjb::import('com.aspose.imaging.ResizeType').NearestNeighbourResample)
        
        # Get the active frame of TiffImage

        frame = tiff_image.getActiveFrame()
        
        # Save the RasterImage data onto TiffFrame

        frame.savePixels(frame.getBounds(), image.loadPixels(image.getBounds()))
        
        # Check if TiffImage already has a frame

        if index > 0
            # Create a new TiffFrame according to the TiffOptions settings

            frame = Rjb::import('com.aspose.imaging.fileformats.tiff.TiffFrame').new(Rjb::import('com.aspose.imaging.imageoptions.TiffOptions').new(output_settings), new_width, new_height)
            
            # Add the newly created frame to the TiffImage

            tiff_image.addFrame(frame)
        end
        index +=1
    end

    # Save the changes to TiffImage

    tiff_image.save()

    puts "Added Different Images as Separate Frames in a Multi-Page TIFF"
end