36 lines
827 B
Ruby
36 lines
827 B
Ruby
module ScreenshotHelper
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def size_calc (fwidth, fheight, max = 500)
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##
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## Image size calculator function.
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## Inputs:
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## fwidth = original file width
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## fheight = original file height
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## max = maximum desired dimension, default = 500px
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## Outputs:
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## Size array of 'width' and 'height'
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##
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if (fwidth >= fheight) then
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if (fwidth >= max) then
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width = max
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height = ((fheight / fwidth.to_f) * max).to_i
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else
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width = fwidth
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height = fheight
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end
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elsif (fheight > fwidth) then
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if (fheight > max) then
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height = max
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width = (( fwidth / fheight.to_f ) * max).to_i
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else
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height = fheight
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width = fwidth
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end
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else
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width = fwidth
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height = fheight
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end
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return [width, height]
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end
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end
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