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+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+ <title>glyph clipping (test)</title>
+ <style>
+ #clip { position: absolute;
+ overflow: hidden;
+ font-size: 16px;
+ width: 500px;
+ height: 300px;}
+ /* Offsets keep the text far enough away from clip boundaries so that
+ cairo knows the text is within the clip. Non-unit alpha color makes
+ the bug show even without antialiasing. */
+ #text { position: absolute;
+ left: 100px;
+ top: 100px;
+ color: rgba(0,0,0,0.4)}
+ #cover { position: absolute;
+ top: 90px;
+ left: 120px;
+ height: 50px;
+ width: 60px;
+ background: green; }
+ #mod { position: absolute;
+ top: 400px;
+ left: 0px;
+ height: 2000px;
+ width: 600px;
+ background: green; }
+ </style>
+ <script>
+
+function doPaint()
+{
+ window.addEventListener("MozAfterPaint", doScroll);
+ var cover = document.getElementById("cover");
+ cover.style.background = "transparent";
+ var mod = document.getElementById("mod");
+ mod.style.background = "transparent";
+}
+
+function doScroll()
+{
+ window.removeEventListener("MozAfterPaint", doScroll);
+ window.addEventListener("MozAfterPaint", endTest);
+ scrollTo(0,1);
+}
+
+function endTest()
+{
+ document.documentElement.removeAttribute("class");
+}
+
+document.addEventListener("MozReftestInvalidate", doPaint);
+ </script>
+</head>
+<body>
+ <div id="clip">
+ <div id="text">
+ Some text that was</br>
+ initially partially covered.</br>
+ </div>
+ </div>
+ <div id="cover">
+ </div>
+ <div id="mod">
+ </div>
+</body>
+</html>