Run results for: Get and Put image data on a canvas

Run details:

User agent: Mozilla/5.0 (X11; CrOS aarch64 14150.57.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.97 Safari/537.36

Browser: Chrome 94

Operating system: Chrome OS 14150.57.0

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
get and set	208.8 Ops/sec
get, paint, and set	101.3 Ops/sec

HTML Preparation code:

<canvas id='drawcan' width='512' height='512'></canvas>

Script Preparation code:

var drawCon = document.getElementById('drawcan').getContext('2d');

Tests:

get and set
var imageData = drawCon.getImageData(0,0,512,512); drawCon.putImageData(imageData,0,0);
get, paint, and set
var imageData = drawCon.getImageData(0,0,512,512); for (var i = 0; i < 200; i++) { for (var j = 0; j < 200; j++) { imageData[i*512+j] = 0xff00ff; } } drawCon.putImageData(imageData,0,0);