Module: Asposeimagingjava::AdjustingColors

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

Instance Method Summary collapse

Instance Method Details

#adjust_brightness ⇒ Object 



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# File 'lib/asposeimagingjava/images/adjustingcolors.rb', line 14

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

    # Load an existing image

    image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg")

    # Check if image is cached

    if !image.isCached()
        # Cache image if not already cached

        image.cacheData()
    end

    # Adjust the brightness

    image.adjustBrightness(70)

    # Save the image to disk

    image.save(data_dir + "adjust_brightness.jpg")

    # Display Status.

    puts "Adjust image brightness successfully!"
end

#adjust_contrast ⇒ Object 



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# File 'lib/asposeimagingjava/images/adjustingcolors.rb', line 36

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

    # Load an existing image

    image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg")

    # Check if image is cached

    if !image.isCached()
        # Cache image if not already cached

        image.cacheData()
    end

    # Adjust the contrast

    image.adjustContrast(10)

    # Save the image to disk

    image.save(data_dir + "adjust_contrast.jpg")

    # Display Status.

    puts "Adjust image contrast successfully!"
end

#adjust_gamma ⇒ Object 



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# File 'lib/asposeimagingjava/images/adjustingcolors.rb', line 58

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

    # Load an existing image

    image = Rjb::import('com.aspose.imaging.Image').load(data_dir + "test.jpg")

    # Check if image is cached

    if !image.isCached()
        # Cache image if not already cached

        image.cacheData()
    end

    # Adjust the gamma

    image.adjustGamma(2.2, 2.2, 2.2)

    # Save the image to disk

    image.save(data_dir + "adjust_gamma.jpg")

    # Display Status.

    puts "Adjust image gamma successfully!"
end

#initialize ⇒ Object 



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

def initialize()
    # Adjusting Brightness

    adjust_brightness()

    # Adjusting Contrast

    adjust_contrast()

    # Adjusting Contrast

    adjust_gamma()
end