| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/gfx/tests/crashtests/ (Firefox Browser Version 153.0.1©) Datei vom 27.6.2026 mit Größe 1 kB |
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Quelle 1871755-1.htmlSprache: HTML |
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<!DOCTYPE HTML> <html class="reftest-wait"> <head> <title>Missing-font notifications from OffscreenCanvas2d</title> </head> <body> </body> <script> // Workaround for bug 1962172: this will cause the CJK fallback order // to be loaded on the main thread, before the worker tries to use it. // (Can be removed when bug 1962172 is resolved.) let canvas = new OffscreenCanvas(100, 100); let ctx = canvas.getContext("2d"); ctx.measureText("\u4567\u9876"); // Try measuring a selection of characters from across the // Unicode space; almost certainly this will hit some codepoints // for which font support is lacking. const blob = new Blob([` self.onmessage = (evt) => { let ctx = evt.data.canvas.getContext("2d"); // Sampling planes 0 and 1 is enough; plane 2 just adds more CJK, not new scripts. for (plane = 0; plane < 2; ++plane) { let txt = "Plane " + plane + " text: "; for (block = 0; block < 256; ++block) { for (ch = 0; ch < 256; ch += 64) { txt += String.fromCodePoint(plane * 0x10000 + block * 0x100 + ch); } } ctx.measureText(txt); postMessage(txt); } postMessage("Done"); } `], { type: "application/typescript", }); const url = URL.createObjectURL(blob); const worker = new Worker(url); worker.onmessage = (msg) => { console.log(msg.data); if (msg.data == "Done") { document.documentElement.classList.remove("reftest-wait") } }; let offscreen = new OffscreenCanvas(100, 100); worker.postMessage({ canvas: offscreen }, [offscreen]); </script> </html>
¤ Dauer der Verarbeitung: 0.25 Sekunden (vorverarbeitet am 2026-08-25) ¤*© Formatika GbR, Deutschland |
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2026-08-25