blob: adbbf64c6b5cf9620a3e1ac21e335dce4ec3c62b [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<title>This tests ancestor clipping with subpixel positioning.</title>
<style>
.container {
position: absolute;
background-color: green;
width: 15px;
height: 15px;
}
.clippingAncestor {
width: 10px;
height: 10px;
overflow: hidden;
border-style: solid;
border-color: red;
}
.jiggle {
height: 5px;
width: 5px;
position: relative;
background-color: blue;
}
</style>
</head>
<body>
<script>
var subpixelForContainer = 0;
for (var i = 0; i < 20; ++i) {
var borderWidth = 2;
var subpixelForJiggle = -2;
for (var j = 0; j < 20; ++j) {
var container = document.createElement("div");
container.className = "container";
container.style.left = i * 20 + subpixelForContainer + "px";
container.style.top = j * 20 + subpixelForContainer + "px";
document.body.appendChild(container);
subpixelForContainer += 0.05;
var clippingAncestor = document.createElement("div");
clippingAncestor.className = "clippingAncestor";
clippingAncestor.style.borderWidth = borderWidth + "px";
container.appendChild(clippingAncestor);
borderWidth += 0.1;
var jiggle = document.createElement("div");
jiggle.className = "jiggle";
jiggle.style.top = subpixelForJiggle + "px";
jiggle.style.left = subpixelForJiggle + "px";
subpixelForJiggle += 0.1;
clippingAncestor.appendChild(jiggle);
}
}
</script>
</body>
</html>