liujunchi
/
osmd-extended


			
				
					
						
						
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							<!--This file executes some benchmarks with HTML Canvas and VexFlow rendering-->
<!DOCTYPE html><html><head><meta charset="UTF-8"><script defer="defer">(function(){
//----------------------------------------------------------------------------->

window.onload = function() {
  window.title = "[OSMD] Canvas Memory Test"
  window.setTimeout(test2, 1);
}

var test1 = function() {
  var canvas = document.createElement("canvas");
  canvas.style.border = "1px solid red";
  canvas.width = 1920;
  canvas.height = 1080 * 30;
  document.body.appendChild(canvas);
}

var test2 = function() {
  var canvas = document.createElement("canvas");
  canvas.style.border = "1px solid red";
  canvas.width = 1920;
  canvas.height = 1080 * 30;
  var ctx = canvas.getContext("2d");
  ctx.fillStyle = "red";
  ctx.fillRect(0, 0, canvas.width, canvas.height);
  document.body.appendChild(canvas);
}

//----------------------------------------------------------------------------->
}());</script><!--------------------------------------------------------------->
</head></html><!--------------------------------------------------------------->