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module TestHelpers
TEST_PIXELS = {
RGB: [[45, 98, 156], [209, 171, 11], [239, 236, 2], [8, 65, 247]],
CMYK: [[23, 54, 186, 76], [29, 71, 131, 122], [239, 206, 99, 76], [84, 165, 47, 54]]
}
def build_image(mode: "RGB", pixels: TEST_PIXELS.fetch(mode.to_sym))
image = Magick::Image.new(2, 2)
image.import_pixels(0, 0, 2, 2, mode, pixels.flatten)
end
def gray(pixel_value)
[pixel_value, pixel_value, pixel_value]
end
def value_by_version(hash)
major, minor = Gem::Version.new(Magick::IMAGEMAGICK_VERSION).segments
hash.fetch(:"#{major}.#{minor}")
end
end
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