Class: R2dEngine::DrawingInstructions

Inherits:
Object
  • Object
show all
Defined in:
lib/r2dsvg/r2dsvg_module.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(window, debug: false) ⇒ DrawingInstructions

Returns a new instance of DrawingInstructions.



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 195

def initialize(window, debug: false)

  @window, @debug = window, debug     

end

Instance Attribute Details

#area ⇒ Object

Returns the value of attribute area.



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 192

def area
  @area
end

Instance Method Details

#draw_arc(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 201

def draw_arc(args)

  dimensions, style = args

  x, y, width, height = dimensions

  #gc = gc_ini(fill: style[:fill] || :none)
  #@area.window.draw_arc(gc, 1, x, y, width, height, 0, 64 * 360)
end

#draw_circle(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 211

def draw_circle(args)

  coords, radius, fill, style, e = args

  x1, y1 = coords

  if @debug then
    puts 'inside draw_circle'.info
    puts ('style: ' + style.inspect).debug 
  end 

  obj = Circle.new(
    x: x1, y: y1,
    radius: radius,
    sectors: 32,
    color: style[:fill],
    z: style[:"z-index"].to_i
  )
  e.obj = obj if e.respond_to? :obj=
  @window.add obj

end

#draw_image(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 234

def draw_image(args)

  dimensions, src, style, e = args

  x, y, width, height = dimensions      
  
  filepath = Tempfile.new('r2dsvg').path + File.basename(src)
  puts 'filepath: ' + filepath.inspect if @debug
  File.write filepath, RXFHelper.read(src).first
    
  
  if File.exists? filepath then

    obj = Image.new(
      filepath,
      x: x, y: y,
      width: width, height: height,
      color: style[:fill],
      z: style[:"z-index"].to_i
    )        

    e.obj = obj if e.respond_to? :obj=
    @window.add obj
  end
end

#draw_line(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 260

def draw_line(args)

  coords, style, e = args

  x1, y1, x2, y2 = coords

  if @debug then
    puts 'inside draw_rectangle'.info
    puts ('style: ' + style.inspect).debug 
  end 

  obj = Line.new(
    x1: x1, y1: y1,
    x2: x2, y2: y2,
    width: style[:"stroke-width"].to_f,
    color: style[:"stroke"],
    z: style[:"z-index"].to_i
  ) 
  
  e.obj = obj if e.respond_to? :obj=
  @window.add obj
  
end

#draw_lines(args) ⇒ Object

not yet implemented



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 313

def draw_lines(args)

  coords, width, style, e = args

  x1, y1, x2, y2 = coords


end

#draw_polygon(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 284

def draw_polygon(args)

  vertices, style, e = args

  puts ('vertices: ' + vertices.inspect).debug if @debug      

  if @debug then
    puts 'inside draw_polygon'.info
    puts ('style: ' + style.inspect).debug 
  end 
  
  puts ('vertices: ' + vertices.inspect).debug if @debug      
  
  h = vertices.map.with_index do |coords,i|

    %w(x y).zip(coords).map {|key, c| [(key + (i+1).to_s).to_sym, c] }
    
  end.flatten(1).to_h
  puts ('triangle h: ' + h.inspect).debug if @debug      

  puts ('triangle h merged: ' + h.inspect).debug if @debug
  obj = Triangle.new(h.merge({color: style[:fill], z: style[:"z-index"].to_i}))
  e.obj = obj if e.respond_to? :obj=
  @window.add obj
end

#draw_rectangle(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 322

def draw_rectangle(args)

  coords, style, e = args

  x1, y1, x2, y2 = coords

  if @debug then
    puts 'inside draw_rectangle'.info
    puts ('style: ' + style.inspect).debug 
  end 

  obj = Rectangle.new(
    x: x1, y: y1,
    width: x2 - x1, height: y2 - y1,
    color: style[:fill],
    z: style[:"z-index"].to_i
  )
  e.obj = obj if e.respond_to? :obj=
  @window.add obj

end

#draw_text(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 344

def draw_text(args)

  coords, text, style, e = args

  x, y = coords

  if @debug then
    puts 'inside draw_text'.info
    puts ('style: ' + style.inspect).debug 
  end 

  obj = Text.new(
    text,
    x: x, y: y,
    #font: 'vera.ttf',
    size: style[:font_size].to_i,
    color: style[:color],
    z: style[:"z-index"].to_i
  )
  puts 'e: ' + e.inspect
  e.obj = obj
  @window.add obj

end

#embed_audio(args) ⇒ Object

Ruby 2D supports a number of popular audio formats, including WAV, MP3, Ogg Vorbis, and FLAC.



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 372

def embed_audio(args)
  
  sources, e = args

  if @debug then
    puts 'sources: ' + sources.inspect if @debug
    puts 'inside embed_audio'.info
  end 

  
  audio_files = sources.map do |source|
    
    filepath = Tempfile.new('r2dsvg').path + File.basename(source[:src])
    File.write filepath, RXFHelper.read(source[:src]).first
    filepath
  end
  
  audio = audio_files.find {|file| File.exists? file }
  
  return unless audio
  
  file = File.exists?(audio) ? audio : nil
  puts 'file: ' + file.inspect if @debug

  obj = Sound.new(file)
  e.obj = obj
  
  def e.play() self.obj.play()  end

end

#render(a) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 406

def render(a)
 
  stylex, e = a[-3..-2]
  
  if e.respond_to? :attr_map then
    
    h = e.attr_map.inject({}) do |r, x|
      key, value = x
      r.merge!({value => stylex[key]})
    end
    a[-3].merge!(h)        
  end
  

  method(a[0]).call(args=a[1..2])
  draw a[3]
end

#script(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 424

def script(args)

end

#style(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 428

def style(args)
end

#window(args) ⇒ Object 



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# File 'lib/r2dsvg/r2dsvg_module.rb', line 403

def window(args)
end