35 lines
1.3 KiB
Ruby
35 lines
1.3 KiB
Ruby
module SvgHelper
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def key_svg_tag(**options)
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border_width = options["border"] ? (options["border-width"] || 1) : 0
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rect_attrs = {
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:width => "100%",
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:height => "100%",
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:fill => options["fill"] || "none"
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}
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if border_width.positive?
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rect_attrs[:x] = rect_attrs[:y] = format("%g", 0.5 * border_width)
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rect_attrs[:width] = options["width"] - border_width
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rect_attrs[:height] = options["height"] - border_width
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end
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svg_attrs = options.slice("width", "height", "opacity", :class)
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tag.svg(**svg_attrs) do
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concat tag.rect(**rect_attrs, **stroke_attrs(options, "border")) if options["fill"] || options["border"]
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concat tag.line(:x2 => "100%", :y1 => "50%", :y2 => "50%", **stroke_attrs(options, "line")) if options["line"]
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if options["casing"]
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casing_width = options["casing-width"] || 1
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y_top = 0.5 * casing_width
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y_bottom = options["height"] - (0.5 * casing_width)
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concat tag.g(tag.line(:x2 => "100%", :y1 => y_top, :y2 => y_top) +
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tag.line(:x2 => "100%", :y1 => y_bottom, :y2 => y_bottom),
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**stroke_attrs(options, "casing"))
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end
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end
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end
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private
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def stroke_attrs(attrs, prefix)
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attrs.select { |key| key.start_with?(prefix) }.transform_keys { |key| key.delete_prefix(prefix).prepend("stroke") }
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end
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end
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