51 lines
1.1 KiB
Ruby
51 lines
1.1 KiB
Ruby
require "rubella/output/base"
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require 'RMagick'
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module Rubella
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module Output
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class Image < Base
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def create storage
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buckets = storage.data[0].length
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columns = storage.data.length
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# image size
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x = columns*@field_size
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y = buckets*@field_size
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# start drawing the damn thing
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loadImg = Magick::Image.new(x, y) { self.background_color = "white" }
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i = 0
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storage.data.each do |point|
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j = 0
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point.reverse.each do |part|
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# draw a red rectangle on the white background
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core = Magick::Draw.new
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idensity = 127.5 * part
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# Fix for float stupidity
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idensity = 127.5 if idensity > 127.5
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# Get the correct value
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l = (255-idensity).round
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# Draw
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core.fill(Magick::Pixel.from_hsla(0, 255, l, 1).to_color)
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core.rectangle((i*@field_size), (j*@field_size), ((i+1)*@field_size), ((j+1)*@field_size))
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core.draw loadImg
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j = j + 1
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end
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i = i + 1
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end
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@data = loadImg
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end
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end
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end
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end
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