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content / test / data / gpu / pixel_canvas_display_srgb.html [blame]

<!DOCTYPE HTML>
<html>
<head>
<script>
// This browser pixel test checks if the 2D canvas is properly displayed
// when the color space is set to srgb.
// We use float16 pixelFormat for increased precision with the wide
// color gamut

var g_swapsBeforeAck = 15;

function main()
{
  draw();
  waitForFinish();
}

function draw()
{
  var ctx = document.getElementById("c").getContext("2d",
    {colorSpace:"srgb", pixelFormat: "float16"});
  ctx.fillStyle = 'red';
  ctx.fillRect(20,20,50,50);
  ctx.fillStyle = 'green';
  ctx.fillRect(70,20,50,50);
  ctx.fillStyle = 'blue';
  ctx.fillRect(20,70,50,50);
  ctx.fillStyle = 'black';
  ctx.fillRect(70,70,50,50);
}

function waitForFinish()
{
  if (g_swapsBeforeAck == 0) {
    domAutomationController.send("SUCCESS");
  } else {
    g_swapsBeforeAck--;
    document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1;
    window.requestAnimationFrame(waitForFinish);
  }
}
</script>
</head>
<body onload="main()">
<div id="container" style="position:absolute; top:0px; left:0px">
<canvas id="c" width="140" height="140"></canvas>
</div>
</body>
</html>