Class: Rabbit::Renderer::Printer

Inherits:
Object
  • Object
show all
Includes:
Base, Engine::Cairo
Defined in:
lib/rabbit/renderer/printer.rb

Constant Summary collapse

A4_WIDTH = 
596
A4_HEIGHT = 
842

Constants included from DirtyCount

DirtyCount::TOO_DIRTY

Constants included from GetText

GetText::DOMAIN

Instance Attribute Summary collapse

Attributes included from Engine::Cairo

#background, #foreground

Attributes included from Base

#adjustment_x, #adjustment_y, #base_height, #base_width, #draw_scaled_image, #gl_quaternion, #gl_scale, #graffiti_color, #graffiti_line_width, #margin_bottom, #margin_left, #margin_right, #margin_top, #page_margin_bottom, #page_margin_left, #page_margin_right, #page_margin_top, #paper_height, #paper_width, #progress_background, #progress_foreground, #slides_per_page, #x_dpi, #y_dpi

Instance Method Summary collapse

Methods included from Engine::Cairo

#alpha_available?, #background_image=, #draw_arc, #draw_arc_by_radius, #draw_layout, #draw_line, #draw_lines, #draw_link, #draw_pixbuf, #draw_polygon, #draw_poppler_page, #draw_rectangle, #draw_rounded_rectangle, #draw_rsvg_handle, #finish_context, #finish_renderer, #init_context, #init_renderer, #make_layout, #reflect_context, #restore_context, #rotate_context, #save_context, #scale_context, #set_font_resolution, #set_source_pixbuf, #shear_context, #to_gdk_rgb, #translate_context

Methods included from Kernel

#draw_circle, #draw_circle_by_radius, #draw_cone, #draw_cube, #draw_dodecahedron, #draw_flag, #draw_flag_layout, #draw_icosahedron, #draw_octahedron, #draw_rectangle_flag, #draw_sphere, #draw_teapot, #draw_tetrahedron, #draw_torus, #draw_triangle_flag, #flag_size, #gl_call_list, #gl_compile, #gl_supported?, #make_color, #new_list_id, #reflect_context, #restore_context, #rotate_context, #save_context, #scale_context, #shear_context, #translate_context, #z_far, #z_view

Methods included from Base

#add_gesture_action, #blackouting?, #can_undo_graffiti?, #change_graffiti_color, #clean, #clean_if_dirty, #clear_slide, #clear_theme, #confirm, #connect_key, #disconnect_key, #display?, #each_slide_pixbuf, #expand_hole, #font_families, #gl_available?, #graffiti_mode?, #have_graffiti?, #hiding?, #narrow_hole, #offscreen_canvas, #post_init_gui, #post_terminal, #pre_terminal, #print, #redraw, #reset_adjustment, #search_slide, #searching?, #setup_event, #stop_slide_search, #toggle_blackout, #toggle_info_window, #toggle_spotlight, #toggle_whiteout, #whiteouting?

Methods included from DirtyCount

#bit_dirty, #dirty, #dirty?, #dirty_count_clean, #very_dirty

Methods included from GetText

included

Constructor Details

#initialize(canvas) ⇒ Printer

Returns a new instance of Printer.



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# File 'lib/rabbit/renderer/printer.rb', line 36

def initialize(canvas)
  super
  @filename = nil
  init_paper
  init_color
  update_layout
end

Instance Attribute Details

#filename ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 80

def filename
  @filename || default_filename
end

Instance Method Details

#clip_slide(x, y, w, h) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 142

def clip_slide(x, y, w, h)
  x, y = from_screen(x, y)
  @context.rectangle(x, y, w, h)
  @context.clip
end

#draw_background(x, y, w, h) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 148

def draw_background(x, y, w, h)
  draw_rectangle(true, x, y, w, h, @background)
end

#draw_slide(slide, simulation) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 108

def draw_slide(slide, simulation)
  if simulation
    yield
  else
    slide_width = @layout.slide_width
    slide_height = @layout.slide_height
    size = Size.new(@base_width,
                    @base_height,
                    slide_width,
                    slide_height,
                    @base_width.to_f / @base_height.to_f)
    x = @layout.normalize_x(0)
    y = @layout.normalize_y(0)
    save_context do
      translate_context(x, y)
      clip_slide(0, 0, slide_width, slide_height)
      draw_background(0, 0, slide_width, slide_height)
      scale_context(*size.logical_scale)
      translate_context(size.logical_margin_left,
                        size.logical_margin_top)
      yield
      if @slides_per_page > 1
        draw_rectangle(false,
                       0,
                       0,
                       size.logical_width,
                       size.logical_height,
                       @black)
      end
    end
    @context.show_page if need_show_page?
  end
end

#height ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 48

def height
  @base_height
end

#page_height ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 56

def page_height
  @page_height - page_margin_top - page_margin_bottom
end

#page_width ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 52

def page_width
  @page_width - page_margin_left - page_margin_right
end

#paper_height=(value) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 65

def paper_height=(value)
  super
  init_paper
end

#paper_width=(value) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 60

def paper_width=(value)
  super
  init_paper
end

#post_apply_theme ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 99

def post_apply_theme
end

#post_move(old_index, index) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 102

def post_move(old_index, index)
end

#post_move_in_slide(old_index, index) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 105

def post_move_in_slide(old_index, index)
end

#post_parse ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 96

def post_parse
end

#post_print(canceled) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 88

def post_print(canceled)
  return if canceled
  @context.target.finish
end

#pre_parse ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 93

def pre_parse
end

#pre_print(slide_size) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 84

def pre_print(slide_size)
  init_context(create_context)
end

#printable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rabbit/renderer/printer.rb', line 76

def printable?
  true
end

#slides_per_page=(slides) ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 70

def slides_per_page=(slides)
  super
  init_paper
  update_layout
end

#width ⇒ Object 



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# File 'lib/rabbit/renderer/printer.rb', line 44

def width
  @base_width
end