Implements the necessary functionality to allow Document#column_box to work.
Override the padding functions so as not to split the padding amount between all columns on the page.
# File lib/prawn/document/column_box.rb, line 124 def add_left_padding(left_padding) @total_left_padding += left_padding @x += left_padding end
# File lib/prawn/document/column_box.rb, line 134 def add_right_padding(right_padding) @total_right_padding += right_padding end
The column width, not the width of the whole box, before left and/or right padding
# File lib/prawn/document/column_box.rb, line 66 def bare_column_width (@width - @spacer * (@columns - 1)) / @columns end
Relative position of the left edge of the current column
# File lib/prawn/document/column_box.rb, line 91 def left width_of_column * @current_column end
x coordinate of the left edge of the current column
# File lib/prawn/document/column_box.rb, line 85 def left_side absolute_left + (width_of_column * @current_column) end
Moves to the next column or starts a new page if currently positioned at the rightmost column.
# File lib/prawn/document/column_box.rb, line 110 def move_past_bottom @current_column = (@current_column + 1) % @columns @document.y = @y if 0 == @current_column if @reflow_margins @y = @parent.absolute_top end @document.start_new_page end end
Relative position of the right edge of the current column.
# File lib/prawn/document/column_box.rb, line 104 def right left + width end
x co-orordinate of the right edge of the current column
# File lib/prawn/document/column_box.rb, line 97 def right_side columns_from_right = @columns - (1 + @current_column) absolute_right - (width_of_column * columns_from_right) end
# File lib/prawn/document/column_box.rb, line 129 def subtract_left_padding(left_padding) @total_left_padding -= left_padding @x -= left_padding end
# File lib/prawn/document/column_box.rb, line 138 def subtract_right_padding(right_padding) @total_right_padding -= right_padding end
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