# File lib/gruff/mini/legend.rb, line 21
21:       def draw_vertical_legend
22:         return if @hide_mini_legend
23:         
24:         @legend_labels = @data.collect {|item| item[Gruff::Base::DATA_LABEL_INDEX] }
25:         
26:         legend_square_width = 40.0 # small square with color of this item
27:         legend_square_margin = 10.0
28:         @legend_left_margin = 100.0
29:         legend_top_margin = 40.0
30: 
31:         # May fix legend drawing problem at small sizes
32:         @d.font = @font if @font
33:         @d.pointsize = @legend_font_size
34: 
35:         current_x_offset = @legend_left_margin
36:         current_y_offset = @original_rows + legend_top_margin
37: 
38:         debug { @d.line 0.0, current_y_offset, @raw_columns, current_y_offset }
39: 
40:         @legend_labels.each_with_index do |legend_label, index|        
41: 
42:           # Draw label
43:           @d.fill = @font_color
44:           @d.font = @font if @font
45:           @d.pointsize = scale_fontsize(@legend_font_size)
46:           @d.stroke = 'transparent'
47:           @d.font_weight = Magick::NormalWeight
48:           @d.gravity = Magick::WestGravity
49:           @d = @d.annotate_scaled( @base_image, 
50:                             @raw_columns, 1.0,
51:                             current_x_offset + (legend_square_width * 1.7), current_y_offset, 
52:                             truncate_legend_label(legend_label), @scale)
53: 
54:           # Now draw box with color of this dataset
55:           @d = @d.stroke 'transparent'
56:           @d = @d.fill @data[index][Gruff::Base::DATA_COLOR_INDEX]
57:           @d = @d.rectangle(current_x_offset, 
58:                             current_y_offset - legend_square_width / 2.0, 
59:                             current_x_offset + legend_square_width, 
60:                             current_y_offset + legend_square_width / 2.0)
61:           
62:           current_y_offset += calculate_caps_height(@legend_font_size) * 1.7
63:         end
64:         @color_index = 0
65:       end

    # File lib/gruff/mini/legend.rb, line 10
10:       def expand_canvas_for_vertical_legend
11:         return if @hide_mini_legend
12:         
13:         @original_rows = @raw_rows
14:         @rows += @data.length * calculate_caps_height(scale_fontsize(@legend_font_size)) * 1.7
15:         render_background
16:       end

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