Module: Wee::CanvasMixin

Included in:
HtmlCanvasRenderer
Defined in:
lib/wee/renderer/html/canvas.rb

Instance Method Summary collapse

Instance Method Details

#close ⇒ Object 



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# File 'lib/wee/renderer/html/canvas.rb', line 9

def close
  @current_brush.close if @current_brush
  @current_brush = nil
end

#initialize_canvas ⇒ Object 



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# File 'lib/wee/renderer/html/canvas.rb', line 4

def initialize_canvas
  @parent_brush = nil
  @current_brush = nil
end

#nest(&block) ⇒ Object 



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# File 'lib/wee/renderer/html/canvas.rb', line 25

def nest(&block)
  @parent_brush = @current_brush
  @current_brush = nil
  block.call
  @current_brush.close if @current_brush
  @parent_brush = @parent_brush.parent 
end

#set_brush(brush) ⇒ Object 



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# File 'lib/wee/renderer/html/canvas.rb', line 14

def set_brush(brush)
  # tell previous brush to finish
  @current_brush.close if @current_brush

  brush.parent = @parent_brush
  brush.canvas = self
  @current_brush = brush

  return brush
end