module Rabbit::Renderer::Display::Base
Public Class Methods
new(*args, &block)
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Calls superclass method
Rabbit::Renderer::Display::HookHandler::new
# File lib/rabbit/renderer/display/base.rb, line 27 def initialize(*args, &block) @drawable = nil @size = nil @size_dirty = true super end
Public Instance Methods
attach_to(window, container=nil)
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# File lib/rabbit/renderer/display/base.rb, line 61 def attach_to(window, container=nil) @window = window @container = container || @window end
create_pango_context()
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# File lib/rabbit/renderer/display/base.rb, line 88 def create_pango_context context = widget.create_pango_context set_font_resolution(context) context end
create_pango_layout(text)
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# File lib/rabbit/renderer/display/base.rb, line 94 def create_pango_layout(text) layout = widget.create_pango_layout(text) set_font_resolution(layout.context) layout end
detach()
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# File lib/rabbit/renderer/display/base.rb, line 66 def detach @window = nil @container = nil end
draw_slide(slide, simulation)
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Calls superclass method
# File lib/rabbit/renderer/display/base.rb, line 104 def draw_slide(slide, simulation) set_size_ratio(slide.size_ratio) if simulation super else save_context do scale_context(*@size.logical_scale) translate_context(@size.logical_margin_left, @size.logical_margin_top) super end unless @size.have_logical_margin? return end margin_background = make_color("black") save_context do scale_context(*@size.logical_scale) if @size.have_logical_margin_x? draw_rectangle(true, 0, 0, @size.logical_margin_left, @size.logical_height, margin_background) draw_rectangle(true, @size.logical_margin_left + @size.logical_width, 0, @size.logical_margin_right, @size.logical_height, margin_background) end if @size.have_logical_margin_y? draw_rectangle(true, 0, 0, @size.logical_width, @size.logical_margin_top, margin_background) draw_rectangle(true, 0, @size.logical_margin_top + @size.logical_height, @size.logical_width, @size.logical_margin_bottom, margin_background) end end end end
height()
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# File lib/rabbit/renderer/display/base.rb, line 43 def height refresh_size if @size @size.logical_height else nil end end
make_layout(text)
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# File lib/rabbit/renderer/display/base.rb, line 81 def make_layout(text) attrs, text = Pango.parse_markup(text) layout = create_pango_layout(text) layout.set_attributes(attrs) layout end
redraw()
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# File lib/rabbit/renderer/display/base.rb, line 57 def redraw widget.queue_draw end
size()
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# File lib/rabbit/renderer/display/base.rb, line 52 def size refresh_size @size end
toggle_blackout()
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Calls superclass method
Rabbit::Renderer::Base#toggle_blackout
# File lib/rabbit/renderer/display/base.rb, line 76 def toggle_blackout super update_menu end
toggle_whiteout()
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Calls superclass method
Rabbit::Renderer::Base#toggle_whiteout
# File lib/rabbit/renderer/display/base.rb, line 71 def toggle_whiteout super update_menu end
update_title()
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# File lib/rabbit/renderer/display/base.rb, line 100 def update_title @canvas.update_title(@canvas.slide_title) end
width()
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# File lib/rabbit/renderer/display/base.rb, line 34 def width refresh_size if @size @size.logical_width else nil end end
Private Instance Methods
queue_draw()
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# File lib/rabbit/renderer/display/base.rb, line 198 def queue_draw widget.queue_draw end
refresh_size()
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# File lib/rabbit/renderer/display/base.rb, line 192 def refresh_size return unless @size_dirty set_size(@real_width, @real_height, @size.ratio) @size_dirty = false end
set_default_size(w, h)
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# File lib/rabbit/renderer/display/base.rb, line 162 def set_default_size(w, h) @real_width = w @real_height = h ratio = @base_width.to_f / @base_height.to_f set_size(w, h, ratio) end
set_drawable(drawable)
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# File lib/rabbit/renderer/display/base.rb, line 157 def set_drawable(drawable) @drawable = drawable set_default_size(@drawable.width, @drawable.height) end
set_size(w, h, ratio)
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# File lib/rabbit/renderer/display/base.rb, line 169 def set_size(w, h, ratio) @size = Size.new(@base_width, @base_height, w, h, ratio) end
set_size_ratio(ratio)
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# File lib/rabbit/renderer/display/base.rb, line 183 def set_size_ratio(ratio) ratio ||= @base_width.to_f / @base_height.to_f return if @size.ratio == ratio w = @size.real_width h = @size.real_height set_size(w, h, ratio) end
update_size(w, h)
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# File lib/rabbit/renderer/display/base.rb, line 177 def update_size(w, h) @real_width = w @real_height = h @size_dirty = true end