Class: Rabbit::Renderer::Widget::DrawingArea

Inherits:
Object
  • Object
show all
Includes:
Engine::Cairo
Defined in:
lib/rabbit/renderer/widget/drawing-area.rb

Instance Attribute Summary

Attributes included from Engine::Cairo

#background, #foreground

Instance Method Summary collapse

Methods included from Engine::Cairo

#alpha_available?, #background_image=, #create_pango_context, #draw_arc, #draw_arc_by_radius, #draw_background, #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_background, #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_slide, #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

Constructor Details

#initialize(canvas) ⇒ DrawingArea

Returns a new instance of DrawingArea.


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# File 'lib/rabbit/renderer/widget/drawing-area.rb', line 25

def initialize(canvas)
  @canvas = canvas
  @area = Gtk::DrawingArea.new
  clear_compiled_slides
  set_draw
end

Instance Method Details

#clear_compiled_slide(slide = nil) ⇒ Object


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# File 'lib/rabbit/renderer/widget/drawing-area.rb', line 40

def clear_compiled_slide(slide=nil)
  @compiled_slides.delete(slide || @canvas.current_slide)
end

#clear_compiled_slidesObject


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# File 'lib/rabbit/renderer/widget/drawing-area.rb', line 44

def clear_compiled_slides
  @compiled_slides = {}
end

#heightObject


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# File 'lib/rabbit/renderer/widget/drawing-area.rb', line 52

def height
  @area.allocation.height
end

#queue_redrawObject


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# File 'lib/rabbit/renderer/widget/drawing-area.rb', line 36

def queue_redraw
  @area.queue_redraw
end

#rawObject


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# File 'lib/rabbit/renderer/widget/drawing-area.rb', line 32

def raw
  @area
end

#widthObject


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# File 'lib/rabbit/renderer/widget/drawing-area.rb', line 48

def width
  @area.allocation.width
end