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20 lines
470 B
20 lines
470 B
require 'squib' |
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orig = Cairo::ImageSurface.new(100,100) |
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orig_cc = Cairo::Context.new(orig) |
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orig_cc.circle(50,50, 30) |
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orig_cc.set_source_color(:red) |
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orig_cc.fill |
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orig.write_to_png '_output/blend_orig.png' |
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new_img = Cairo::ImageSurface.new(120, 120) |
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new_cc = Cairo::Context.new(new_img) |
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new_cc.set_source_color(:black) |
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new_cc.rectangle(0,0,120,120) |
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new_cc.fill |
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new_cc.set_source orig |
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new_cc.operator = :dest_in |
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new_cc.paint |
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new_img.write_to_png '_output/blend_new.png' |