Module: Prawn::Core::Text::Formatted::Wrap
- Included in:
- Text::Formatted::Box
- Defined in:
- lib/prawn/core/text/formatted/wrap.rb
Overview
:nodoc:
Instance Method Summary collapse
- #initialize(array, options) ⇒ Object
-
#wrap(array) ⇒ Object
See the developer documentation for Prawn::Core::Text#wrap.
Instance Method Details
#initialize(array, options) ⇒ Object
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# File 'lib/prawn/core/text/formatted/wrap.rb', line 10 def initialize(array, ) @line_wrap = Prawn::Core::Text::Formatted::LineWrap.new @arranger = Prawn::Core::Text::Formatted::Arranger.new(@document, :kerning => [:kerning]) end |
#wrap(array) ⇒ Object
See the developer documentation for Prawn::Core::Text#wrap
Formatted#wrap should set the following variables:
<tt>@line_height</tt>::
the height of the tallest fragment in the last printed line
<tt>@descender</tt>::
the descender height of the tallest fragment in the last
printed line
<tt>@ascender</tt>::
the ascender heigth of the tallest fragment in the last
printed line
<tt>@baseline_y</tt>::
the baseline of the current line
<tt>@nothing_printed</tt>::
set to true until something is printed, then false
<tt>@everything_printed</tt>::
set to false until everything printed, then true
Returns any formatted text that was not printed
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# File 'lib/prawn/core/text/formatted/wrap.rb', line 37 def wrap(array) #:nodoc: initialize_wrap(array) stop = false while !stop # wrap before testing if enough height for this line because the # height of the highest fragment on this line will be used to # determine the line height @line_wrap.wrap_line(:document => @document, :kerning => @kerning, :width => available_width, :arranger => @arranger) if enough_height_for_this_line? move_baseline_down print_line else stop = true end stop ||= @single_line || @arranger.finished? end @text = @printed_lines.join("\n") @everything_printed = @arranger.finished? @arranger.unconsumed end |