    #! /usr/local/bin/ruby -w

    # Demonstrate flatten_images method. Create an image with a drop-shadow effect.

    require 'RMagick'

    RMagick = 'RMagick'

    i = Magick::ImageList.new

    # Create a background image with a gradient fill
    i.new_image(200, 100, Magick::GradientFill.new(100,50, 100, 50, "khaki1", "turquoise"))

    # Create a transparent image for the text shadow
    i.new_image(200, 100) { self.background_color = 'transparent' }
    primitives = Magick::Draw.new
    primitives.annotate i, 0, 0, 2, 2, RMagick do
        self.pointsize = 32
        self.font = "Helvetica"
        self.fill = "gray50"
        self.gravity = Magick::CenterGravity
        end

    # Create another transparent image for the text itself
    i.new_image(200, 100) { self.background_color = 'transparent' }
    primitives = Magick::Draw.new
    primitives.annotate i, 0, 0, -2, -2, RMagick do
        self.pointsize = 32
        self.font = "Helvetica"
        self.fill = "red"
        self.stroke = "black"
        self.gravity = Magick::CenterGravity
        end

    # Flatten all 3 into a single image.
    # i.display
    i.flatten_images.write "flatten_images.gif"
    exit