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20 lines
457 B
Ruby
20 lines
457 B
Ruby
module ImageSizer
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# Resize an image to the aspect ratio we want
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def self.resize(width, height)
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return if width.blank? || height.blank?
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max_width = SiteSetting.max_image_width.to_f
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max_height = SiteSetting.max_image_height.to_f
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w = width.to_f
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h = height.to_f
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return [w.floor, h.floor] if w <= max_width && h <= max_height
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ratio = [max_width / w, max_height / h].min;
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[(w * ratio).floor, (h * ratio).floor]
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end
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end
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