Module: Prawn::Templates

Defined in:
lib/prawn/templates.rb

Defined Under Namespace

Modules: ObjectStoreExtensions

Instance Method Summary collapse

Instance Method Details

#initialize_first_page(options) ⇒ Object 



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# File 'lib/prawn/templates.rb', line 16

def initialize_first_page(options)
  return super unless options[:template]

  fresh_content_streams(options)
  go_to_page(1)
end

#merge_template_options(page_options, options) ⇒ Object 



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# File 'lib/prawn/templates.rb', line 87

def merge_template_options(page_options, options)
  object_id = state.store.import_page(
    options[:template],
    options[:template_page] || 1
  )
  page_options.merge!(object_id: object_id, page_template: true)
end

#start_new_page(options = {}) ⇒ Object

FIXME: This is going to be terribly brittle because it copy-pastes the start_new_page method. But at least it should only run when templates are used.



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# File 'lib/prawn/templates.rb', line 26

def start_new_page(options = {})
  return super unless options[:template]

  last_page = state.page
  if last_page
    last_page_size = last_page.size
    last_page_layout = last_page.layout
    last_page_margins = last_page.margins.dup
  end

  page_options = {
    size: options[:size] || last_page_size,
    layout: options[:layout] || last_page_layout,
    margins: last_page_margins
  }
  if last_page
    if last_page.graphic_state
      new_graphic_state = last_page.graphic_state.dup
    end

    # erase the color space so that it gets reset on new page for fussy
    # pdf-readers
    new_graphic_state.color_space = {} if new_graphic_state

    page_options[:graphic_state] = new_graphic_state
  end

  merge_template_options(page_options, options)

  state.page = PDF::Core::Page.new(self, page_options)

  apply_margin_options(options)
  generate_margin_box

  # Reset the bounding box if the new page has different size or layout
  if last_page && (last_page.size != state.page.size ||
                   last_page.layout != state.page.layout)
    @bounding_box = @margin_box
  end

  state.page.new_content_stream
  use_graphic_settings(true)
  forget_text_rendering_mode!

  unless options[:orphan]
    state.insert_page(state.page, @page_number)
    @page_number += 1

    if @background
      canvas do
        image(@background, scale: @background_scale, at: bounds.top_left)
      end
    end
    @y = @bounding_box.absolute_top

    float do
      state.on_page_create_action(self)
    end
  end
end