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35 lines
955 B
Ruby
35 lines
955 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, opts = {})
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return if width.blank? || height.blank?
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max_width = (opts[:max_width] || SiteSetting.max_image_width).to_f
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max_height = (opts[: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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def self.crop(width, height, opts = {})
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return if width.blank? || height.blank?
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max_width = (opts[:max_width] || SiteSetting.max_image_width).to_f
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max_height = (opts[: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
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[[max_width, w].min.floor, [max_height, (h * ratio)].min.floor]
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end
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end
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