Blitz - WPT: object-view-box-zoom.html

wpt / css / css-images / object-view-box-zoom.html

/css/css-images/object-view-box-zoom.html

<!DOCTYPE html>
<html>
<title>object-view-box resolves insets correctly under non-1 zoom</title>
<link rel="match" href="object-view-box-zoom-ref.html">
<link rel="help" href="https://drafts.csswg.org/css-images-4/#the-object-view-box">

<style>
  canvas {
    display: block;
    zoom: 2;
    width: 40px;
    height: 40px;
    image-rendering: pixelated;
    object-view-box: inset(0px 50px 50px 0px);
  }
</style>
<body>
<canvas id="canvas" width="100" height="100"></canvas>
<script>
  var ctx = document.getElementById("canvas").getContext("2d");
  // Four solid quadrants; object-view-box selects only the top-left (red) one.
  ctx.fillStyle = "red";
  ctx.fillRect(0, 0, 50, 50);
  ctx.fillStyle = "blue";
  ctx.fillRect(50, 0, 50, 50);
  ctx.fillStyle = "green";
  ctx.fillRect(0, 50, 50, 50);
  ctx.fillStyle = "yellow";
  ctx.fillRect(50, 50, 50, 50);
</script>
</body>
</html>

/css/css-images/object-view-box-zoom-ref.html

<!DOCTYPE html>
<html>
<style>
  div {
    display: block;
    zoom: 2;
    width: 40px;
    height: 40px;
    background-color: red;
  }
</style>
<div></div>