add_gesture_action(sequence, action, &block)
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def add_gesture_action(sequence, action, &block)
end
blackouting?()
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def blackouting?
@blackout
end
can_undo_graffiti?()
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def can_undo_graffiti?
false
end
change_graffiti_color()
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def change_graffiti_color
end
clean()
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def clean
dirty_count_clean
end
clean_if_dirty()
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def clean_if_dirty
clean if dirty?
end
clear_slide()
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def clear_slide
current = @canvas.current_slide
current.clear_waiting if current
end
clear_theme()
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def clear_theme
init_color
clear_keys
clear_progress_color
clear_graffiti_config
clear_gesture_actions
end
confirm()
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connect_key(keyval, modifier, flags, &block)
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def connect_key(keyval, modifier, flags, &block)
end
create_pango_context()
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def create_pango_context
Pango::Context.new
end
disconnect_key(keyval, modifier)
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def disconnect_key(keyval, modifier)
end
display?()
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each_slide_pixbuf() { |slide, to_pixbuf, i| ... }
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def each_slide_pixbuf
canvas = off_screen_canvas
previous_index = canvas.current_index
pre_to_pixbuf(canvas.slide_size)
canceled = false
canvas.slides.each_with_index do |slide, i|
if !to_pixbufing(i) or !yield(slide, canvas.to_pixbuf(i), i)
canceled = true
break
end
end
post_to_pixbuf(canceled)
canvas.move_to_if_can(previous_index)
canvas.activate("Quit") if canvas != @canvas
end
expand_hole()
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font_families()
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def font_families
if @font_families.nil? or @font_families.empty?
@font_families = create_pango_context.families
end
@font_families
end
gl_available?()
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def gl_available?
@canvas.use_gl? and gl_supported?
end
graffiti_mode?()
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def graffiti_mode?
false
end
have_graffiti?()
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def have_graffiti?
false
end
hiding?()
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def hiding?
@blackout or @whiteout
end
narrow_hole()
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off_screen_canvas()
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def off_screen_canvas
if off_screen_renderer?
@canvas
else
make_canvas_with_off_screen_renderer
end
end
page_margin_bottom()
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def page_margin_bottom
@page_margin_bottom || 0
end
page_margin_left()
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def page_margin_left
@page_margin_left || 0
end
page_margin_right()
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def page_margin_right
@page_margin_right || 0
end
page_margin_top()
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def page_margin_top
@page_margin_top || 0
end
post_init_gui()
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print(&block)
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def print(&block)
if printable?
do_print(&block)
else
canvas = make_canvas_with_printable_renderer
pre_print(canvas.slide_size)
canceled = false
canvas.print do |i|
result = printing(i)
canceled = !result
result
end
post_print(canceled)
canvas.activate("Quit")
end
end
printable?()
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redraw()
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reset_adjustment()
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def reset_adjustment
@adjustment_x = 0
@adjustment_y = 0
end
search_slide(forward=true)
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def search_slide(forward=true)
end
searching?()
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setup_event(area)
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def setup_event(area)
end
stop_slide_search()
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def stop_slide_search
end
to_attrs(hash)
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def to_attrs(hash)
hash.collect do |key, value|
if value
"#{h key}='#{h value}'"
else
nil
end
end.compact.join(" ")
end
toggle_blackout()
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def toggle_blackout
@blackout = !@blackout
@whiteout = false
end
toggle_info_window()
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def toggle_info_window
end
toggle_spotlight()
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toggle_whiteout()
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def toggle_whiteout
@blackout = false
@whiteout = !@whiteout
end
whiteouting?()
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def whiteouting?
@whiteout
end
clear_gesture_actions()
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def clear_gesture_actions
init_gesture_actions
end
clear_graffiti_config()
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def clear_graffiti_config
@graffiti_color = nil
@graffiti_line_width = nil
end
clear_keys()
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clear_progress_color()
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def clear_progress_color
@progress_foreground = nil
@progress_background = nil
end
do_print(&block)
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def do_print(&block)
pre_print(@canvas.slide_size)
canceled = false
@canvas.slides.each_with_index do |slide, i|
@canvas.move_to_if_can(i)
current_slide = @canvas.current_slide
current_slide.flush
current_slide.draw(@canvas)
if block and !block.call(i)
canceled = true
break
end
end
post_print(canceled)
end
init_color()
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def init_color
@background_color = "white"
end
init_dpi()
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def init_dpi
@x_dpi = 72
@y_dpi = 72
end
init_gesture_actions()
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def init_gesture_actions
end
init_gl_parameters()
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def init_gl_parameters
angle = 0.0 * (Math::PI / 180.0)
axis_x = 1.0
axis_y = 0.0
axis_z = 0.0
sine = Math.sin(0.5 * angle)
quaternion = [
axis_x * sine,
axis_y * sine,
axis_z * sine,
Math.cos(0.5 * angle)
]
@gl_quaternion = TrackBall::Vector.new(quaternion)
@gl_scale = 1.0
end
invert_y(y)
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def invert_y(y)
height - y
end
make_canvas_with_off_screen_renderer()
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def make_canvas_with_off_screen_renderer
make_canvas_with_renderer(Pixmap) do |canvas|
canvas.width = @canvas.width
canvas.height = @canvas.height
setup_3d(canvas)
end
end
make_canvas_with_printable_renderer()
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def make_canvas_with_printable_renderer
renderer = Renderer.printable_renderer(@canvas.slides_per_page)
make_canvas_with_renderer(renderer) do |canvas|
canvas.filename = @canvas.filename
setup_margin(canvas)
setup_page_margin(canvas)
setup_paper_size(canvas)
setup_3d(canvas)
canvas.slides_per_page = @canvas.slides_per_page
end
end
make_canvas_with_renderer(renderer) { |canvas| ... }
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def make_canvas_with_renderer(renderer)
canvas = Canvas.new(@canvas.logger, renderer)
yield canvas
canvas.apply_theme(@canvas.theme_name)
@canvas.source_force_modified(true) do |source|
canvas.parse(source)
end
canvas.toggle_index_mode if @canvas.index_mode?
canvas
end
not_support_method(name)
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def not_support_method(name)
format = _("%s does not support: %s")
msg = format % [self.class.name, name]
@canvas.logger.warn(msg)
end
off_screen_renderer?()
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def off_screen_renderer?
false
end
setup_3d(canvas)
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def setup_3d(canvas)
canvas.use_gl = @canvas.use_gl?
end
setup_flag_params(pole_height, default_flag_width_ratio, params)
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def setup_flag_params(pole_height, default_flag_width_ratio, params)
params = params.dup
text = params["text"]
text_attrs = params["text_attributes"] || {}
if text
markupped_text = "<span #{to_attrs(text_attrs)}>#{text}</span>"
layout = make_layout(markupped_text)
text_width, text_height = layout.pixel_size
params["layout"] = layout
params["text_width"] = text_width
params["text_height"] = text_height
flag_width_default = [
text_width * default_flag_width_ratio,
pole_height / 2
].max
flag_height_default = [text_height, flag_width_default].max
else
params["layout"] = nil
flag_width_default = flag_height_default = nil
end
params["pole_width"] = params["pole_width"] || 2
params["pole_color"] ||= "black"
flag_height = params["flag_height"] ||
flag_height_default || pole_height / 2
flag_height = [flag_height, pole_height].min
params["flag_height"] = flag_height
params["flag_width"] ||= flag_width_default || flag_height
params["flag_color"] ||= "red"
params["flag_frame_width"] ||= params["pole_width"]
params["flag_frame_color"] ||= params["pole_color"]
params
end
setup_margin(canvas)
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def setup_margin(canvas)
canvas.margin_left = @canvas.margin_left
canvas.margin_right = @canvas.margin_right
canvas.margin_top = @canvas.margin_top
canvas.page_margin_bottom = @canvas.page_margin_bottom
end
setup_page_margin(canvas)
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def setup_page_margin(canvas)
canvas.page_margin_left = @canvas.page_margin_left
canvas.page_margin_right = @canvas.page_margin_right
canvas.page_margin_top = @canvas.page_margin_top
canvas.page_margin_bottom = @canvas.page_margin_bottom
end
setup_paper_size(canvas)
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def setup_paper_size(canvas)
if @canvas.paper_width and @canvas.paper_height
canvas.paper_width = @canvas.paper_width
canvas.paper_height = @canvas.paper_height
else
canvas.paper_width = @canvas.width
canvas.paper_height = @canvas.height
end
end