4 <script src=
"../resources/runner.js"></script>
7 var source
= document
.createElement("canvas");
10 source
.getContext("2d").fillStyle
= 'green';
11 source
.getContext("2d").fillRect(0, 0, source
.width
, source
.height
);
13 var target
= document
.createElement("canvas");
14 target
.width
= source
.width
;
15 target
.height
= source
.height
;
16 var context
= target
.getContext("2d")
18 PerfTestRunner
.measureRunsPerSecond({
19 description
: "Measures performance of drawing an image onto a canvas.",
21 context
.drawImage(source
, 0, 0);