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17 lines
424 B
Ruby
17 lines
424 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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max_width = SiteSetting.max_image_width.to_f
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return nil if width.blank? || height.blank?
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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
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# Using the maximum width, resize the height retaining the aspect ratio
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[max_width.floor, (h * (max_width / w)).floor]
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end
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end
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