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Improved median filred #11

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Improved median filred #11

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26 changes: 22 additions & 4 deletions app/services/filters/median_filter.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -14,16 +14,34 @@ def filtred(img=false)
end

def get_midle(x,y, img)
arr = []
rez = {}
arr_r = []
arr_g = []
arr_b = []

3.times do |x_off|
3.times do |y_off|
begin
arr << img[x+1-x_off,y+1-y_off]
pixel = to_rgb(img[x+1-x_off,y+1-y_off])
arr_r << (pixel[:R])
arr_g << (pixel[:G])
arr_b << (pixel[:B])
rescue
arr << 0
arr_r << 0
arr_g << 0
arr_b << 0
end
end
end
arr.sort[4]

ChunkyPNG::Color.rgb(arr_r.sort[4], arr_g.sort[4], arr_b.sort[4])
end

def to_rgb(pixel)
arr = {}
arr[:R] = ChunkyPNG::Color.r(pixel)
arr[:G] = ChunkyPNG::Color.g(pixel)
arr[:B] = ChunkyPNG::Color.b(pixel)
arr
end
end