public Method

Image.matte_fill_to_border(x, y)

Source
Home > Ruby > Gems > APIs > RMagick > Magick > Image > matte_fill_to_border

Make transparent any neighbor pixel that is not the border color.

Source Code

# File RMagick.rb, line 895
def matte_fill_to_border(x, y)
    f = copy
    f.opacity = Magick::OpaqueOpacity unless f.matte
    f.matte_flood_fill(border_color, TransparentOpacity,
                       x, y, FillToBorderMethod)
end
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