module Prawn::Document::Internals

This module exposes a few low-level PDF features for those who want to extend Prawn’s core functionality. If you are not comfortable with low level PDF functionality as defined by Adobe’s specification, chances are you won’t need anything you find here.

@private

Public Instance Methods

renderer ()

Source

# File lib/prawn/document/internals.rb, line 71
def renderer
  @renderer ||= PDF::Core::Renderer.new(state)
end

Document renderer.

@return [PDF::Core::Renderer]

restore_graphics_state ()

Source

# File lib/prawn/document/internals.rb, line 38
def restore_graphics_state
  restore_transformation_stack
  renderer.restore_graphics_state
end

Restore graphic state.

@return [void]

save_graphics_state (state = nil, &block)

Source

# File lib/prawn/document/internals.rb, line 29
def save_graphics_state(state = nil, &block)
  save_transformation_stack
  renderer.save_graphics_state(state, &block)
  restore_transformation_stack if block
end

Save current graphics state.

@yield Restores graphic state after the block. @return [void]