Contents

module Rubyvis
  module SvgScene
    def self.label(scenes)
      e=scenes._g.elements[1]
      scenes.each_with_index do |s,i|
        next unless s.visible
        fill=s.text_style
        next if(fill.opacity==0 or s.text.nil?)
        x=0
        y=0
        dy=0
        anchor='start'
        case s.text_baseline
        when 'middle'
          dy=".35em"
        when "top"
          dy = ".71em"; y = s.text_margin
        when "bottom"
          y = "-" + s.text_margin.to_s
        end
        case s.text_align
        when 'rigth'
          anchor = "end"; x = "-" + s.text_margin.to_s
        when "center"
          anchor = "middle"

        when "left"
          x = s.text_margin
        end
        e=SvgScene.expect(e,'text', {
          "pointer-events"=> s.events,
          "cursor"=> s.cursor,
          "x"=> x,
          "y"=> y,
          "dy"=> dy,
          "transform"=> "translate(" + s.left.to_s + "," + s.top.to_s + ")" + (s.text_angle!=0 ? " rotate(" + (180 * s.text_angle / Math::PI).to_s + ")" : "") + (self.scale != 1 ? " scale(" + 1 / self.scale + ")" : ""),
          "fill"=> fill.color,
          "fill-opacity"=> fill.opacity || nil,
          "text-anchor"=> anchor
        }, {
        "font"=> s.font, "text-shadow"=> s.text_shadow, "text-decoration"=> s.text_decoration      })
        e.text=s.text


        e=SvgScene.append(e,scenes,i)

      end
      e
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rubyvis-0.1.2	lib/rubyvis/scene/svg_label.rb