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RSpec.describe Magick::Image, '#composite_affine' do
it 'works' do
affine = Magick::AffineMatrix.new(1, 0, 1, 0, 0, 0)
image1 = described_class.read(IMAGES_DIR + '/Button_0.gif').first
image2 = described_class.read(IMAGES_DIR + '/Button_1.gif').first
image1.define('compose:args', '1x1')
image2.define('compose:args', '1x1')
result = image1.composite_affine(image2, affine)
expect(result).to be_instance_of(described_class)
expect(result).not_to be(image1)
end
it 'accepts an ImageList argument' do
affine = Magick::AffineMatrix.new(1, 0, 1, 0, 0, 0)
image = described_class.new(20, 20)
image_list = Magick::ImageList.new
image_list.new_image(20, 20)
expect { image.composite_affine(image_list, affine) }.not_to raise_error
end
end
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