text: function simple( context )
  {
  	this.init( context );
  }
  
  simple.prototype =
  {
  	context: null,
  
  	prevMouseX: null, prevMouseY: null,
  
  	init: function( context )
  	{
  		this.context = context;
  		this.context.globalCompositeOperation = 'source-over';
  	},
  
  	destroy: function()
  	{
  	},
  
  	strokeStart: function( mouseX, mouseY )
  	{
  		this.prevMouseX = mouseX;
  		this.prevMouseY = mouseY;
  	},
  
  	stroke: function( mouseX, mouseY )
  	{
  		this.context.lineWidth = BRUSH_SIZE;	
  		this.context.strokeStyle = "rgba(" + COLOR[0] + ", " + COLOR[1] + ", " + COLOR[2] + ", " + 0.5 * BRUSH_PRESSURE + ")";
  		
  		this.context.beginPath();
  		this.context.moveTo(this.prevMouseX, this.prevMouseY);
  		this.context.lineTo(mouseX, mouseY);
  		this.context.stroke();
  
  		this.prevMouseX = mouseX;
  		this.prevMouseY = mouseY;
  	},
  
  	strokeEnd: function()
  	{
  		
  	}
  }
  