gen_svg (SVG::Graph::BarHorizontal)

    # File temp/Graph/BarHorizontal.rb, line 133
          def gen_svg
            d = Document.new
            d << XMLDecl.new
            d << DocType.new( %{svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd"} )
            if style_sheet && style_sheet != ''
              d << ProcessingInstruction.new( "xml-stylesheet",
                %{href="#{style_sheet}" type="text/css"} )
            end
            root = d.add_element( "svg", {
              "width" => width,
              "height" => height,
              "viewBox" => "0 0 #{width} #{height}",
              "xmlns" => "http://www.w3.org/2000/svg",
              "xmlns:xlink" => "http://www.w3.org/1999/xlink"
            })
            root << Comment.new( " "+"\\"*66 )
            root << Comment.new( " Created with SVG::Graph " )
            root << Comment.new( " Sean Russell " )
            root << Comment.new( " Based on SVG::TT::Graph for Perl by"+
            " Leo Lapworth & Stephan Morgan " )
            root << Comment.new( " "+"/"*66 )

            if not(style_sheet && style_sheet != '')
              root << Comment.new(" include default stylesheet if none specified ")
              defs = root.add_element( "defs" )
              style = defs.add_element( "style", {"type"=>"text/css"} )
              style << CData.new( CSS )
            end

            root << Comment.new( "SVG Background" )
            root.add_element( "rect", {
              "width" => width,
              "height" => height,
              "x" => "0",
              "y" => "0",
              "class" => "svgBackground"
            })

            # Calculate graph area and boundries
            x = 0
            y = 0
            char_width = 9

            min_value = 9e20
            max_value = 0
            max_key_size = 0

            for data in @data
              dataset = data[:data]
              title = data[:title]

              dm = dataset.min
              min_value = dm < min_value ? dm : min_value
              dm = dataset.max
              max_value = dm > max_value ? dm : max_value
              max_key_size = title.length if title.length > max_key_size
            end

            h = height
            w = width

            if show_y_title
              w -= 20
              x += 20
            end
            if show_y_labels
              max_ylabel_length = @config[:fields].max {|a,b| a.length <=> b.length }.length
              space_b4_axis = char_width * max_ylabel_length

              w -= (space_b4_axis + char_width)
              x += space_b4_axis + char_width
            end

            if max_ylabel_length == 1
              w -= 5
              x += 5
            end

            if show_x_labels
              w -= 20
              if !(show_y_labels || show_y_title)
                w -= 10
                x += 10
              end
              if min_scale_value.to_s.length > 1
                padding_for_labels = char_width * min_scale_value.to_s.length
                w -= (padding_for_labels / 2)
                x += (padding_for_labels / 2)
              end
            end

            h -= 20 if show_x_labels

            stagger = 0
            if stagger_x_labels
              stagger = 17
              h -= stagger
            end

            h = h - 25 - stagger if show_x_title

            if show_y_labels
              h -= 10
              y += 10
            end

            if show_graph_title
              h -= 25
              y += 25
            end

            if show_graph_subtitle
              h -= 10
              y += 10
            end

            key_box_size = 12
            key_padding = 5

            if key && key_position == :right
              w = w - (max_key_size * (char_width - 1)) - (key_box_size)
            elsif key && key_position == :bottom
              if data.size > 4
                h -= (data.size + 1) * (key_box_size + key_padding)
              else
                h -= 4 * (key_box_size + key_padding)
              end
            end

            minvalue = min_value
            minvalue = min_scale_value if min_scale_value

            base_line = h + y

            temp = max_value - minvalue
            top_pad = temp == 0 ? 10 : temp / 20.0

            scale_range = (max_value + top_pad) - minvalue

            scale_division = scale_divisions || scale_range / 10.0

            if scale_integers
              scale_division = scale_division < 1 ? 1 : scale_division.round
            end

            # Background
            root.add_element( "rect", {
              "x" => x,
              "y" => y,
              "width" => w,
              "height" => h,
              "class" => "graphBackground"
            })

            # Axis
            root.add_element( "path", {
              "d" => "M #{x} #{y} v#{h}",
              "class" => "axis",
              "id" => "xAxis"
            })
            root.add_element( "path", {
              "d" => "M #{x} #{base_line} h#{w}",
              "class" => "axis",
              "id" => "yAxis"
            })

            dy = @config[:fields].size

            data_widths_y = h / dy

            dh = (data_widths_y*100).truncate / 100.0

            i = dh
            count = 0

            if show_y_labels
              for field in @config[:fields]
                text = root.add_element( "text" )
                text.attributes["class"] = "yAxisLabels"
                text.attributes["x"] = x-10
                text.text = field

                ty = base_line - (dh / 2)

                if count == 0
                  i -= dh
                else
                  ty -= i
                end

                text.attributes["y"] = ty

                i += dh
                count += 1
              end
            end

            dx = scale_range / scale_division
            scale_division_height = w.to_f / dx
            dx = scale_division_height.to_i
            count = 0
            y_value = min_scale_value
            stagger_count = 0
            if show_x_labels
              while (dx * count) < w
                text = root.add_element( "text", {
                  "x" => x + (dx * count),
                  "y" => base_line + 15,
                  "class" => "xAxisLabels"
                })
                if scale_integers
                  text.text = y_value.to_i
                else
                  text.text = (y_value * 10).to_i / 10.0
                end
                if count != 0
                  p1 = x + (dx * count)
                  root.add_element( "path", {
                    "d" => "M#{p1} #{base_line} V#{y}",
                    "class" => "guideLines"
                  });
                  text.attributes["style"] = "text-anchor: middle;"
                  if stagger_count == 2
                    stagger_count = 0
                  else
                    text.attributes["y"] = base_line + 15 + stagger
                    root.add_element( "path", {
                      "d" => "M#{p1} #{base_line}, v#{stagger}",
                      "class" => "staggerGuideLine"
                    })
                  end
                end
                y_value = y_value + scale_division
                count += 1
                stagger_count += 1
              end
            end

            if show_x_title
              y_xtitle = show_x_labels ? 35 : 15
              root.add_element( "text", {
                "x" => (w / 2) + x,
                "y" => h + y + y_xtitle + stagger,
                "class" => "xAxisTitle"
              }).text = y_title
            end

            if show_y_title
              text = root.add_element( "text", { "class" => "yAxisTitle" } )
              text.text = y_title
              if y_title_text_direction == :tb
                text.attributes["x"] = 12
                text.attributes["y"] = (h / 2) + y
                text.attributes["style"] = "writing-mode: tb;"
              else
                text.attributes["transform"]="translate(15, #{(h/2)+y}) rotate(270)"
              end
            end

            bargap = bar_gap ? 10 : 0

            bar_width = dh - bargap
            divider = dx / scale_division

            xcount = 0

            subbar_height = bar_width
            subbar_height /= @data.length if stack == :side
            @config[:fields].each_index { |i|
              dcount = 1
              for dataset in @data
                data_val = dataset[:data][i]
                temp_y = base_line - (dh * xcount) - dh
                temp_x = x + (data_val * divider)
                temp_y += (dcount - 1) * subbar_height if stack == :side
                root.add_element( "path", {
                  "d" => "M#{x} #{temp_y} H#{temp_x} v#{subbar_height} H#{x} Z",
                  "class" => "fill#{dcount}"
                })
                if show_data_values
                  root.add_element( "text", {
                    "x" => temp_x + 5,
                    "y" => temp_y + (dh / 2)-(stack==:side ? subbar_height/2 : 0),
                    "class" => "dataPointLabel",
                    "style" => "text-anchor: start;"
                  }).text = data_val
                end
                dcount += 1
              end
              xcount += 1
            }

            key_box_size = 12
            key_count = 1
            key_padding = 5
            if key && key_position == :right
              for dataset in @data
                yval = y + (key_box_size * key_count) + (key_count * key_padding)
                root.add_element( "rect", {
                  "x" => x + w + 20,
                  "y" => yval,
                  "width" => key_box_size,
                  "height" => key_box_size,
                  "class" => "key#{key_count}"
                })
                root.add_element( "text", {
                  "x" => x + w + 20 + key_box_size + key_padding,
                  "y" => yval + key_box_size,
                  "class" => "keyText"
                }).text = dataset[:title]
                key_count += 1
              end
            elsif key && key_position == :bottom
              y_key = base_line
              y_key = base_line + 20 if show_x_labels
              y_key = base_line + 25 if show_x_title

              y_key_start = y_key
              x_key = x
              for dataset in @data
                if key_count == 4 || key_count == 7 || key_count == 10
                  x_key += 200
                  y_key -= (key_box_size * 4) - 2
                end
                wh = key_box_size
                bs = y_key + (key_box_size * key_count) +
                (key_count * key_padding) + stagger
                cl = "key#{key_count}"
                root.add_element( "rect", {
                  "x" => x_key,
                  "y" => bs,
                  "width" => wh,
                  "height" => wh,
                  "class" => cl
                })
                root.add_element( "text", {
                  "x" => x_key + key_box_size + key_padding,
                  "y" => bs + key_box_size,
                  "width" => wh,
                  "height" => wh,
                  "class" => cl
                }).text = dataset[:title]
                key_count += 1
              end
            end

            if show_graph_title
              root.add_element( "text", {
                "x" => width / 2,
                "y" => "15",
                "class" => "mainTitle"
              }).text = graph_title
            end

            if show_graph_subtitle
              y_subtitle = show_graph_title ? 30 : 15
              root.add_element("text", {
                "x" => width / 2,
                "y" => y_subtitle,
                "class" => "subTitle"
              }).text = graph_subtitle
            end

            return d
          end