35 lines
1.5 KiB
HTML
35 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<meta charset="utf-8">
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<title>PNG Third Edition: animated PNG, plays</title>
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<link rel="author" title="Philip Taylor" href="mailto:excors@gmail.com">
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<link rel="author" title="Chris Lilley" href="mailto:chris@w3.org">
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<link rel="help" href="https://www.w3.org/TR/png-3/#apng-frame-based-animation">
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<link rel="help" href="https://www.w3.org/TR/png-3/#fcTL-chunk">
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<link rel="match" href="apng-blue-rectangle-ref.html">
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<meta name="assert" content="num_plays indicates the number of times that this animation should play. If nonzero, the animation should come to rest on the final frame at the end of the last play.">
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<script>
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const el = document.querySelector(".reftest-wait");
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setTimeout(() => {
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el.classList.remove('reftest-wait');
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}, 5000);
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</script>
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<style>
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.test {
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width: 128px;
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height: 64px;
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background-color: white;
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background-image:
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linear-gradient(45deg, #ccc 25%, transparent 25%),
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linear-gradient(-45deg, #ccc 25%, transparent 25%),
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linear-gradient(45deg, transparent 75%, #ccc 75%),
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linear-gradient(-45deg, transparent 75%, #ccc 75%);
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background-size: 16px 16px;
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background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
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}
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</style>
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<body>
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<p>Test passes if this flashes yellow for one second, then
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blue for one second, then yellow for one second, then blue forever.</p>
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<div class="test"><img src="support/032.png" alt=""></div>
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</body>
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