Prawn::Document::Grid

    # File lib/prawn/layout/grid.rb, line 49
49:       def column_width
50:         @column_width ||= subdivide(pdf.bounds.width, columns, column_gutter)
51:       end

    # File lib/prawn/layout/grid.rb, line 54
54:       def row_height
55:        @row_height ||= subdivide(pdf.bounds.height, rows, row_gutter)
56:       end

    # File lib/prawn/layout/grid.rb, line 59
59:       def show_all(color = "CCCCCC")
60:         self.rows.times do |i|
61:           self.columns.times do |j|
62:             pdf.grid(i,j).show(color)
63:           end
64:         end
65:       end

    # File lib/prawn/layout/grid.rb, line 73
73:       def set_gutter(options)
74:         if options.has_key?(:gutter)
75:           @gutter = options[:gutter].to_f
76:           @row_gutter, @column_gutter = @gutter, @gutter
77:         else
78:           @row_gutter    = options[:row_gutter].to_f
79:           @column_gutter = options[:column_gutter].to_f
80:           @gutter = 0
81:         end
82:       end

    # File lib/prawn/layout/grid.rb, line 69
69:       def subdivide(total, num, gutter)
70:         (total.to_f - (gutter * (num - 1).to_f)) / num.to_f
71:       end