WebKit export of https://bugs.webkit.org/show_bug.cgi?id=290042 (#52689)

Mirko Brodesser · web-flow · commit 197f5ed0d6c3 · 2025-05-22T09:29:16.000+02:00
diff --git a/html/canvas/offscreen/manual/text/canvas.2d.fillText-FontFace.html b/html/canvas/offscreen/manual/text/canvas.2d.fillText-FontFace.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+  <title>HTML 5 Canvas Test: fillText() after loading a FontFace and transferControlToOffscreen draws text</title>
+  <link rel="mismatch" href="empty-ref.html">
+  <meta charset="utf-8">
+  <meta name="assert" content="fillText() after loading a FontFace and transferControlToOffscreen() draws text">
+  <script src="/common/reftest-wait.js"></script>
+</head>
+<body onload="runTest()">
+<canvas id="c"></canvas>
+<script>
+  function runTest() {
+    let test_font = new FontFace(
+      "Lato-Medium",
+      "url(/fonts/Lato-Medium.ttf)"
+    );
+
+    test_font.load().then(font => {
+      const c = document.getElementById("c");
+      const ctx = c.transferControlToOffscreen().getContext("2d");
+      // This should also draw text without setting the font.
+      ctx.fillText("T", 5, 50);
+      takeScreenshot();
+    });
+  }
+</script>
+</body>
+</html>
diff --git a/html/canvas/offscreen/manual/text/canvas.2d.fillText.html b/html/canvas/offscreen/manual/text/canvas.2d.fillText.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+<head>
+  <title>HTML 5 Canvas Test: fillText() after transferControlToOffscreen draws text</title>
+  <link rel="mismatch" href="empty-ref.html">
+  <meta charset="utf-8">
+  <meta name="assert" content="fillText() after transferControlToOffscreen() draws text">
+  <script src="/common/reftest-wait.js"></script>
+</head>
+<body onload="runTest()">
+<canvas id="c"></canvas>
+<script>
+  function runTest() {
+    const c = document.getElementById("c");
+    const ctx = c.transferControlToOffscreen().getContext("2d");
+    ctx.fillText("T", 5, 50);
+    takeScreenshot();
+  }
+</script>
+</body>
+</html>
diff --git a/html/canvas/offscreen/manual/text/empty-ref.html b/html/canvas/offscreen/manual/text/empty-ref.html
