Class: ElementLine

Inherits:
ElementSvg show all
Defined in:
lib/render_svg3.rb

Instance Method Summary collapse

Methods inherited from ElementSvg

#get_style_properties, #initialize_variables, #load_properties, #load_renderer, #parse_style, #scale, #scale=, #text, #text=, #x_offset, #x_offset=, #y_offset, #y_offset=

Constructor Details

#initialize ⇒ ElementLine

Returns a new instance of ElementLine.



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# File 'lib/render_svg3.rb', line 143

def initialize()
  super
  local_properties = {'x1' => '','y1' => '', 'x2' => '', 'y2' => ''}
  @property.merge!(local_properties)
  @style_property = {'stroke' => '', 'stroke-width' => ''}
  @type = :line
end

Instance Method Details

#invoke ⇒ Object 



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# File 'lib/render_svg3.rb', line 151

def invoke()
  puts " -- render the 'line' element "  + @text
  render_element() 
end

#render_element ⇒ Object 



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# File 'lib/render_svg3.rb', line 156

def render_element()
  super do
    h = @property; hs = @style_property
    x1, y1, x2, y2 =  h['x1'].to_i,  h['y1'].to_i,  h['x2'].to_i,  h['y2'].to_i
    stroke_width = hs['stroke-width'].to_i
    colour = hs['stroke']

    #scale = run_projectx('registry', 'get-key', :path => 'app/svg_viewer/scale').first.to_f
    x1, y1, x2, y2 = [x1, y1, x2, y2].map {|x| x * @@scale}
    x1, x2 = [x1, x2].map {|x| x + @@x_offset * @@scale}
    y1, y2 = [y1, y2].map {|x| x + @@y_offset * @@scale}
    
    stroke = {:width => stroke_width, :colour => colour}
    {:x1 => x1, :y1 => y1, :x2 => x2, :y2 => y2, :stroke => stroke}
    #draw properties
  end
end