# File lib/prawn/grid.rb, line 104
def initialize(pdf, options = {})
  valid_options = %i[columns rows gutter row_gutter column_gutter]
  Prawn.verify_options(valid_options, options)

  @pdf = pdf
  @columns = options[:columns]
  @rows = options[:rows]
  apply_gutter(options)
end

@param pdf [Prawn::Document] @param options [Hash{Symbol => any}] @option options :columns [Integer] Number of columns in the grid. @option options :rows [Integer] Number of rows in the grid. @option options :gutter [Number] Gutter size. ‘:row_gutter` and

`:column_gutter` are ignored if specified.

@option options :row_gutter [Number] Row gutter size. @option options :column_gutter [Number] Column gutter size.

Public Instance Methods

column_width ()

Source

# File lib/prawn/grid.rb, line 117
def column_width
  @column_width ||= subdivide(pdf.bounds.width, columns, column_gutter)
end

Calculates the base width of boxes.

@return [Float]

row_height ()

Source

# File lib/prawn/grid.rb, line 124
def row_height
  @row_height ||= subdivide(pdf.bounds.height, rows, row_gutter)
end

Calculates the base height of boxes.

@return [Float]

show_all (color = 'CCCCCC')

Source

# File lib/prawn/grid.rb, line 132
def show_all(color = 'CCCCCC')
  rows.times do |row|
    columns.times do |column|
      pdf.grid(row, column).show(color)
    end
  end
end

Diagnostic tool to show all of the grid boxes.

@param color [Color] @return [void]