module Asposeimagingjava::AdjustingColors

Public Class Methods

new() click to toggle source
# File lib/asposeimagingjava/images/adjustingcolors.rb, line 3
def initialize()
    # Adjusting Brightness
    adjust_brightness()

    # Adjusting Contrast
    adjust_contrast()

    # Adjusting Contrast
    adjust_gamma()
end

Public Instance Methods

adjust_brightness() click to toggle source
# 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() click to toggle source
# 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() click to toggle source
# 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