# File lib/gruff/mini/legend.rb, line 17
17:       def draw_vertical_legend
18:                 
19:         @legend_labels = @data.collect {|item| item[Gruff::Base::DATA_LABEL_INDEX] }
20:         
21:         legend_square_width = 40.0 # small square with color of this item
22:         legend_square_margin = 10.0
23:         @legend_left_margin = 100.0
24:         legend_top_margin = 40.0
25: 
26:         # May fix legend drawing problem at small sizes
27:         @d.font = @font if @font
28:         @d.pointsize = @legend_font_size
29: 
30:         current_x_offset = @legend_left_margin
31:         current_y_offset = @original_rows + legend_top_margin
32: 
33:         debug { @d.line 0.0, current_y_offset, @raw_columns, current_y_offset }
34: 
35:         @legend_labels.each_with_index do |legend_label, index|        
36: 
37:           # Draw label
38:           @d.fill = @font_color
39:           @d.font = @font if @font
40:           @d.pointsize = scale_fontsize(@legend_font_size)
41:           @d.stroke = 'transparent'
42:           @d.font_weight = Magick::NormalWeight
43:           @d.gravity = Magick::WestGravity
44:           @d = @d.annotate_scaled( @base_image, 
45:                             @raw_columns, 1.0,
46:                             current_x_offset + (legend_square_width * 1.7), current_y_offset, 
47:                             truncate_legend_label(legend_label), @scale)
48: 
49:           # Now draw box with color of this dataset
50:           @d = @d.stroke 'transparent'
51:           @d = @d.fill @data[index][Gruff::Base::DATA_COLOR_INDEX]
52:           @d = @d.rectangle(current_x_offset, 
53:                             current_y_offset - legend_square_width / 2.0, 
54:                             current_x_offset + legend_square_width, 
55:                             current_y_offset + legend_square_width / 2.0)
56:           
57:           current_y_offset += calculate_caps_height(@legend_font_size) * 1.7
58:         end
59:         @color_index = 0
60:       end

    # File lib/gruff/mini/legend.rb, line 8
 8:       def expand_canvas_for_vertical_legend
 9:         @original_rows = @raw_rows
10:         @rows += @data.length * calculate_caps_height(scale_fontsize(@legend_font_size)) * 1.7
11:         render_background
12:       end

    # File lib/gruff/mini/legend.rb, line 67
67:       def truncate_legend_label(label)
68:         truncated_label = label.to_s
69:         while calculate_width(scale_fontsize(@legend_font_size), truncated_label) > (@columns - @legend_left_margin - @right_margin) && (truncated_label.length > 1)
70:           truncated_label = truncated_label[0..truncated_label.length-2]
71:         end
72:         truncated_label + (truncated_label.length < label.to_s.length ? "…" : '')
73:       end