Class: Presentation

Inherits:
Object
  • Object
show all
Includes:
Soby
Defined in:
lib/soby/presentation.rb

Constant Summary

Constants included from Soby

Soby::SLEEP_TIME

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Soby

auto_update, #create_mat4x4, find_files, find_files_except, #get_angle, #get_global_transform, load_presentation, #read_transform, reload_presentation, start_presentation

Constructor Details

#initialize(app) ⇒ Presentation

Returns a new instance of Presentation.



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# File 'lib/soby/presentation.rb', line 18

def initialize (app)
  @app = app
  @graphics = @app.g
  @slides = {}
  @nb_slides = 0
  @playing_videos = []
  @source_files = []
end

Instance Attribute Details

#debug ⇒ Object (readonly)

Returns the value of attribute debug.



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# File 'lib/soby/presentation.rb', line 12

def debug
  @debug
end

#graphics ⇒ Object

Returns the value of attribute graphics.



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# File 'lib/soby/presentation.rb', line 16

def graphics
  @graphics
end

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/soby/presentation.rb', line 11

def height
  @height
end

#matrix ⇒ Object

Returns the value of attribute matrix.



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# File 'lib/soby/presentation.rb', line 11

def matrix
  @matrix
end

#nb_slides ⇒ Object (readonly)

Returns the value of attribute nb_slides.



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# File 'lib/soby/presentation.rb', line 12

def nb_slides
  @nb_slides
end

#pshape ⇒ Object

Returns the value of attribute pshape.



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# File 'lib/soby/presentation.rb', line 10

def pshape
  @pshape
end

#slides ⇒ Object

Returns the value of attribute slides.



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# File 'lib/soby/presentation.rb', line 10

def slides
  @slides
end

#source_files ⇒ Object (readonly)

Returns the value of attribute source_files.



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# File 'lib/soby/presentation.rb', line 13

def source_files
  @source_files
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/soby/presentation.rb', line 14

def url
  @url
end

#videos ⇒ Object

Returns the value of attribute videos.



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# File 'lib/soby/presentation.rb', line 11

def videos
  @videos
end

#width ⇒ Object

Returns the value of attribute width.



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# File 'lib/soby/presentation.rb', line 11

def width
  @width
end

Instance Method Details

#add_slide(new_slide) ⇒ Object 



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# File 'lib/soby/presentation.rb', line 36

def add_slide(new_slide)
  puts "Add slide, id " << new_slide.title << " numero " << new_slide.sequence
  @slides[new_slide.sequence] = new_slide
  @slides[new_slide.title] = new_slide
  @nb_slides = @nb_slides+1

  p "Adding a new slide to the presentation", @nb_slides
end

#add_source(name) ⇒ Object 



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# File 'lib/soby/presentation.rb', line 27

def add_source name ; @source_files << name ;  end

#display_videos ⇒ Object 



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# File 'lib/soby/presentation.rb', line 46

def display_videos
  if not @app.is_moving

    slide_no = @app.current_slide_no

    # # Display the videos
    if slide_no > 0 and  @slides[slide_no].has_videos?

      # draw the object
      @graphics.imageMode(Processing::App::CORNER)

      @slides[slide_no].videos.each do |my_video|
        @graphics.push_matrix
        @graphics.modelview.apply(my_video.matrix)

        # when the video is loaded it is saved... so that the memory can
        # hopefully be freed
        @playing_videos << my_video if my_video.play

        ## force reading here..
        my_video.video.read if my_video.video.available?
#          my_video.video.read
        @graphics.image(my_video.video, 0, 0, my_video.width, my_video.height)


        @graphics.pop_matrix
      end # videos.each

    else  # has_videos

      ## no video, free some memory
      @playing_videos.each do |my_video|
        puts "Saving memory. "
        my_video.video.stop
        my_video.video = nil
        Java::JavaLang::System.gc
      end
      @playing_videos =  []
    end
  end
end

#draw ⇒ Object 



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# File 'lib/soby/presentation.rb', line 31

def draw
  @graphics.shape pshape, 0, 0
#    display_videos
end

#to_s ⇒ Object 



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# File 'lib/soby/presentation.rb', line 89

def to_s
  "Slides #{@slides.size}"
end