mirror of
https://github.com/heygen-com/hyperframes.git
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vanceingallsandClaude Fable 5
8bf939043f
- caption-emoji-pop: shadowForColor now builds its glow via color-mix() instead of hex-pair slicing, so the strict 6-digit brand-color gate is gone — any CSS color the sibling templates accept (#fff, rgb(), named) now renders instead of silently falling back to the default palette - caption-weight-shift: fitFontSize now sizes against the WIDEST split line rather than the joined group text (two-line groups no longer shrink unnecessarily), and avoidSingleWordGroups' merges re-check fitsInTwoLines like makeGroups' first pass does (merged groups can no longer overflow the split budget) - all 5: hfApplyStageConfig clamps resolution to the published validator's <=8192 bound (validator is optional pre-flight; unbounded stages OOM render workers), and fit floors carry a comment documenting that the minimum size is returned unverified by design Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
725 lines
24 KiB
HTML
Vendored
725 lines
24 KiB
HTML
Vendored
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=1920, height=1080" />
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<title>Editorial Emphasis</title>
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<link rel="preconnect" href="https://fonts.googleapis.com" />
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
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<link
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href="https://fonts.googleapis.com/css2?family=Inter:wght@400&family=Playfair+Display:ital,wght@0,800;1,800&display=swap"
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rel="stylesheet"
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/>
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<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
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<style>
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*,
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*::before,
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*::after {
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box-sizing: border-box;
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}
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html,
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body {
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width: 1920px;
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height: 1080px;
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margin: 0;
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overflow: hidden;
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background: transparent;
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font-family: "Inter", sans-serif;
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}
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#editorial-emphasis {
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pointer-events: none;
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position: relative;
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width: 1920px;
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height: 1080px;
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overflow: hidden;
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background: transparent;
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}
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.caption-layer {
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position: absolute;
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inset: 0;
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z-index: 20;
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pointer-events: none;
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transform: translateZ(0);
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}
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.safe-zone {
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position: absolute;
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top: 580px;
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left: 60px;
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width: 1800px;
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height: 430px;
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display: flex;
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align-items: flex-start;
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justify-content: flex-start;
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}
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.caption-block {
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position: absolute;
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left: 0;
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top: 0;
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opacity: 0;
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transform-origin: 0% 0%;
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will-change: transform, opacity;
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backface-visibility: hidden;
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}
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.caption-line {
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display: flex;
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align-items: baseline;
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gap: 14px;
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line-height: 1.1;
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white-space: nowrap;
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}
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.caption-line + .caption-line {
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margin-top: 8px;
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}
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.word {
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display: inline-block;
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color: var(--hf-caption-primary, #f5f0d0);
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text-shadow:
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0 2px 12px rgba(0, 0, 0, 0.6),
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0 4px 24px rgba(0, 0, 0, 0.35);
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will-change: transform, opacity;
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backface-visibility: hidden;
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}
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.word--normal {
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font-family: "Inter", sans-serif;
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font-size: 86px;
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font-weight: 400;
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font-style: normal;
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}
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.word--emphasis {
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font-family: "Playfair Display", serif;
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font-size: 180px;
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font-weight: 800;
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font-style: italic;
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line-height: 0.9;
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color: var(--hf-caption-primary, #f5f0d0);
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}
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</style>
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</head>
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<body>
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<div
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id="editorial-emphasis"
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data-composition-id="caption-editorial-emphasis"
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data-timeline-locked
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data-start="0"
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data-duration="8"
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data-fps="30"
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data-width="1920"
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data-height="1080"
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>
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<div class="caption-layer" aria-hidden="true">
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<div id="caption-stage" class="safe-zone"></div>
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</div>
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</div>
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<script>
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// IIFE: keep every template's runtime private to itself so two caption
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// components pasted into one composition document can't clobber each
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// other's hfAttach/hfBuild via shared script-scope names (boot is async,
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// so collisions surface AFTER all scripts have executed).
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(function () {
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var HF_COMPOSITION_ID = "caption-editorial-emphasis";
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var HF_ROOT_ID = "editorial-emphasis";
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var HF_GROUP_SELECTOR = ".caption-block";
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var HF_DEMO_DATA = {
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version: 1,
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segments: [
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{
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start: 0,
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text: "Every great video starts with a single frame. HyperFrames lets you write HTML and render professional video. No timeline. No drag and drop. Just code that becomes cinema.",
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words: [
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{ text: "Every", start: 0.0, end: 0.3 },
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{ text: "great", start: 0.3, end: 0.55 },
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{ text: "video", start: 0.55, end: 0.85 },
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{ text: "starts", start: 0.85, end: 1.1 },
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{ text: "with", start: 1.1, end: 1.25 },
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{ text: "a", start: 1.25, end: 1.35 },
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{ text: "single", start: 1.35, end: 1.65 },
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{ text: "frame.", start: 1.65, end: 2.0 },
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{ text: "HyperFrames", start: 2.1, end: 2.65 },
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{ text: "lets", start: 2.65, end: 2.85 },
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{ text: "you", start: 2.85, end: 2.95 },
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{ text: "write", start: 2.95, end: 3.15 },
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{ text: "HTML", start: 3.15, end: 3.55 },
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{ text: "and", start: 3.55, end: 3.65 },
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{ text: "render", start: 3.65, end: 3.95 },
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{ text: "professional", start: 3.95, end: 4.45 },
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{ text: "video.", start: 4.45, end: 4.8 },
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{ text: "No", start: 4.9, end: 5.05 },
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{ text: "timeline.", start: 5.05, end: 5.45 },
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{ text: "No", start: 5.5, end: 5.65 },
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{ text: "drag", start: 5.65, end: 5.85 },
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{ text: "and", start: 5.85, end: 5.95 },
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{ text: "drop.", start: 5.95, end: 6.25 },
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{ text: "Just", start: 6.35, end: 6.55 },
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{ text: "code", start: 6.55, end: 6.8 },
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{ text: "that", start: 6.8, end: 6.95 },
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{ text: "becomes", start: 6.95, end: 7.3 },
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{ text: "cinema.", start: 7.3, end: 7.7 },
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],
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},
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],
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};
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/* ── HyperFrames caption-data runtime (shared across caption templates) ── */
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var HF_CONTRACT_VERSION = 1;
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var HF_DEFAULT_RESOLUTION = { width: 1920, height: 1080 };
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function hfFlattenSegments(segments) {
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var out = [];
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(segments || []).forEach(function (seg) {
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((seg && seg.words) || []).forEach(function (w) {
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var start = Math.max(0, Number(w.start) || 0);
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out.push({
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text: String(w.word || w.text || "").trim(),
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start: start,
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end: Math.max(start, Number(w.end) || 0),
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});
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});
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});
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out.sort(function (a, b) {
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return a.start - b.start;
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});
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return out.filter(function (w) {
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return w.text.length > 0;
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});
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}
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function hfDeriveDuration(words) {
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var end = 0;
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words.forEach(function (w) {
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if (w.end > end) end = w.end;
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});
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return end;
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}
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function hfValidate(data) {
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if (!data || typeof data !== "object") return { ok: false, reason: "not-an-object" };
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if (data.version != null) {
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// Number("v2") is NaN and NaN > x is always false — an explicit
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// finite check keeps malformed versions from slipping past the gate.
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var hfVersion = Number(data.version);
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if (!Number.isFinite(hfVersion) || Math.floor(hfVersion) > HF_CONTRACT_VERSION) {
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return { ok: false, reason: "unsupported-version" };
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}
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}
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if (!Array.isArray(data.segments) || data.segments.length === 0) {
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return { ok: false, reason: "no-segments" };
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}
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if (data.displayMode != null && data.displayMode !== "full") {
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return { ok: false, reason: "unsupported-displayMode" };
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}
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var words = hfFlattenSegments(data.segments);
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if (words.length === 0) return { ok: false, reason: "no-words" };
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return { ok: true, words: words, durationS: hfDeriveDuration(words) };
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}
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function hfApplyStageConfig(data, durationS) {
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var res = (data && data.resolution) || HF_DEFAULT_RESOLUTION;
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// Mirror the published validator's <=8192 bound defensively — the
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// validator is an optional pre-flight, and an unbounded stage size
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// would OOM render workers.
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var W = Math.min(
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8192,
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Math.max(1, Math.round(Number(res.width) || HF_DEFAULT_RESOLUTION.width)),
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);
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var H = Math.min(
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8192,
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Math.max(1, Math.round(Number(res.height) || HF_DEFAULT_RESOLUTION.height)),
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);
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var root = document.getElementById(HF_ROOT_ID);
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[document.documentElement, document.body, root].forEach(function (el) {
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el.style.width = W + "px";
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el.style.height = H + "px";
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});
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root.setAttribute("data-width", String(W));
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root.setAttribute("data-height", String(H));
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root.setAttribute("data-duration", String(durationS));
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var brand = (data && data.brand) || {};
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if (typeof brand.primaryColor === "string" && brand.primaryColor) {
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root.style.setProperty("--hf-caption-primary", brand.primaryColor);
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} else {
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root.style.removeProperty("--hf-caption-primary");
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}
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if (typeof brand.accentColor === "string" && brand.accentColor) {
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root.style.setProperty("--hf-caption-accent", brand.accentColor);
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} else {
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root.style.removeProperty("--hf-caption-accent");
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}
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return {
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W: W,
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H: H,
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scaleX: W / 1920,
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scaleY: H / 1080,
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fontScale: Math.min(W, H) / 1080,
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};
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}
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function hfPublishStatus(status) {
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window.__HF_CAPTION_STATUS = status;
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document
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.getElementById(HF_ROOT_ID)
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.setAttribute("data-caption-status", status.ok ? "ok" : "failed");
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}
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function hfRunGate(words, durationS, failReason) {
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if (failReason) {
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hfPublishStatus({
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ok: false,
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present: false,
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contained: false,
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reason: failReason,
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version: HF_CONTRACT_VERSION,
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durationS: durationS || 0,
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});
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return;
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}
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var root = document.getElementById(HF_ROOT_ID);
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var rootRect = root.getBoundingClientRect();
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var groups = root.querySelectorAll(HF_GROUP_SELECTOR);
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var present = false;
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var contained = true;
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var tokens = [];
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words.forEach(function (w) {
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var t = w.text.toLowerCase().replace(/[^a-z0-9]/g, "");
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if (t) tokens.push(t);
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});
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groups.forEach(function (el) {
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var prevOpacity = el.style.opacity;
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var prevVisibility = el.style.visibility;
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el.style.opacity = "1";
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el.style.visibility = "visible";
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var r = el.getBoundingClientRect();
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if (r.width > 0 && r.height > 0) {
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var text = (el.textContent || "").toLowerCase();
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for (var i = 0; i < tokens.length; i++) {
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if (text.indexOf(tokens[i]) !== -1) {
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present = true;
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break;
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}
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}
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if (
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r.left < rootRect.left - 1 ||
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r.right > rootRect.right + 1 ||
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r.top < rootRect.top - 1 ||
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r.bottom > rootRect.bottom + 1
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) {
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contained = false;
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}
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}
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el.style.opacity = prevOpacity;
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el.style.visibility = prevVisibility;
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});
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hfPublishStatus({
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ok: present && contained,
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present: present,
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contained: contained,
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version: HF_CONTRACT_VERSION,
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durationS: durationS,
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});
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}
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var HF_STOPWORDS = new Set([
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"the",
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"a",
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"an",
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"and",
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"or",
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"but",
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"is",
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"are",
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"was",
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"were",
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"to",
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"of",
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"in",
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"on",
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"at",
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"for",
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"with",
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"by",
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"from",
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"as",
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"it",
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"its",
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"this",
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"that",
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"these",
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"those",
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"be",
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"been",
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"have",
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"has",
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"had",
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"do",
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"does",
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"did",
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"will",
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"would",
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"could",
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"should",
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"may",
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"might",
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"must",
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"can",
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"if",
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"then",
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"so",
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"just",
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"not",
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"no",
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"yes",
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"up",
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"out",
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"about",
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"into",
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"over",
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"after",
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"before",
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"your",
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"you",
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"our",
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"we",
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"they",
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"them",
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"their",
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"there",
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"here",
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"when",
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"what",
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"which",
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"who",
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"how",
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"all",
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"any",
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"some",
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"more",
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"most",
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"other",
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"than",
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"too",
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"very",
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"also",
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"because",
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]);
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function hfIsEmphasisWord(text) {
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var clean = String(text)
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.toLowerCase()
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.replace(/[^a-z]/g, "");
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return clean.length >= 5 && !HF_STOPWORDS.has(clean);
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}
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var DURATION, SAFE_WIDTH;
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var ENTRY_DUR = 0.1;
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var SLIDE_DUR = 0.2;
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var _fitCanvas = document.createElement("canvas");
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var _fitCtx = _fitCanvas.getContext("2d");
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function fitFontSize(text, baseFontSize, fontWeight, fontFamily, maxWidth) {
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var size = baseFontSize;
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var minSize = Math.floor(baseFontSize * 0.45);
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// minSize is a hard floor returned unverified below — self-heal
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// accepts residual overflow at the floor (clipped by the stage)
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// rather than shrinking below legibility.
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while (size > minSize) {
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_fitCtx.font = fontWeight + " " + size + "px " + fontFamily;
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if (_fitCtx.measureText(text).width <= maxWidth) return size;
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size -= 2;
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}
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return minSize;
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}
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var CLASS_MAP = { n: "word word--normal", e: "word word--emphasis" };
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var W = [];
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var BLOCKS = [];
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var MAX_WORDS_PER_BLOCK = 5;
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var PAUSE_THRESHOLD = 0.1;
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function hfMakeBlocks(words) {
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var blocks = [];
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var current = [];
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words.forEach(function (w, i) {
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current.push(i);
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var isEmph = hfIsEmphasisWord(w.text);
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var punctuation = /[,.:!?]$/.test(w.text);
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var next = words[i + 1];
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var pause = next ? next.start - w.end : Infinity;
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if (
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isEmph ||
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punctuation ||
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pause >= PAUSE_THRESHOLD ||
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current.length >= MAX_WORDS_PER_BLOCK ||
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!next
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) {
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if (isEmph && current.length > 1) {
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blocks.push({
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line1: current.slice(0, -1).map(function (ix) {
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return [ix, "n"];
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}),
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line2: [[current[current.length - 1], "e"]],
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});
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} else if (isEmph) {
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blocks.push({ line1: [[current[0], "e"]], line2: null });
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} else if (current.length > 3) {
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var split = Math.ceil(current.length / 2);
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blocks.push({
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line1: current.slice(0, split).map(function (ix) {
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return [ix, "n"];
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}),
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line2: current.slice(split).map(function (ix) {
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return [ix, "n"];
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}),
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});
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} else {
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blocks.push({
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line1: current.map(function (ix) {
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return [ix, "n"];
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}),
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line2: null,
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});
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}
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current = [];
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}
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});
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return blocks;
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}
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function hfTeardown() {
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document.getElementById("caption-stage").innerHTML = "";
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}
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function hfBuild(words, layout, durationS) {
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DURATION = durationS;
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var stage = document.getElementById("caption-stage");
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var fontNormal = Math.round(86 * layout.fontScale);
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var fontEmphasis = Math.round(180 * layout.fontScale);
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var marginX = Math.round(60 * layout.scaleX);
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var blockH = Math.round(430 * layout.fontScale);
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SAFE_WIDTH = layout.W - marginX * 2;
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stage.style.left = marginX + "px";
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stage.style.width = SAFE_WIDTH + "px";
|
|
stage.style.height = blockH + "px";
|
|
stage.style.top = Math.max(0, layout.H - blockH - Math.round(70 * layout.scaleY)) + "px";
|
|
|
|
W = words;
|
|
BLOCKS = hfMakeBlocks(words);
|
|
|
|
function computeLineSize(linePairs) {
|
|
var hasEmphasis = linePairs.some(function (p) {
|
|
return p[1] === "e";
|
|
});
|
|
var lineText = linePairs
|
|
.map(function (p) {
|
|
return W[p[0]].text;
|
|
})
|
|
.join(" ");
|
|
if (hasEmphasis) {
|
|
return fitFontSize(lineText, fontEmphasis, "800", "Playfair Display", SAFE_WIDTH);
|
|
}
|
|
return fitFontSize(lineText, fontNormal, "400", "Inter", SAFE_WIDTH);
|
|
}
|
|
|
|
function buildBlocks() {
|
|
BLOCKS.forEach(function (block, bi) {
|
|
var el = document.createElement("div");
|
|
el.className = "caption-block";
|
|
el.id = "b" + bi;
|
|
|
|
var l1Size = computeLineSize(block.line1);
|
|
var l1 = document.createElement("div");
|
|
l1.className = "caption-line";
|
|
l1.id = "b" + bi + "L1";
|
|
block.line1.forEach(function (pair, wi) {
|
|
var span = document.createElement("span");
|
|
span.className = CLASS_MAP[pair[1]];
|
|
span.id = "b" + bi + "L1w" + wi;
|
|
span.textContent = W[pair[0]].text;
|
|
span.style.fontSize = l1Size + "px";
|
|
l1.appendChild(span);
|
|
});
|
|
el.appendChild(l1);
|
|
|
|
if (block.line2) {
|
|
var l2Size = computeLineSize(block.line2);
|
|
var l2 = document.createElement("div");
|
|
l2.className = "caption-line";
|
|
l2.id = "b" + bi + "L2";
|
|
block.line2.forEach(function (pair, wi) {
|
|
var span = document.createElement("span");
|
|
span.className = CLASS_MAP[pair[1]];
|
|
span.id = "b" + bi + "L2w" + wi;
|
|
span.textContent = W[pair[0]].text;
|
|
span.style.fontSize = l2Size + "px";
|
|
l2.appendChild(span);
|
|
});
|
|
el.appendChild(l2);
|
|
}
|
|
|
|
stage.appendChild(el);
|
|
});
|
|
}
|
|
|
|
buildBlocks();
|
|
|
|
// Scale blocks that exceed safe width
|
|
function fitBlocks() {
|
|
BLOCKS.forEach(function (block, bi) {
|
|
var el = document.getElementById("b" + bi);
|
|
el.style.opacity = "1";
|
|
el.style.position = "relative";
|
|
var lines = el.querySelectorAll(".caption-line");
|
|
var maxW = 0;
|
|
lines.forEach(function (line) {
|
|
if (line.scrollWidth > maxW) maxW = line.scrollWidth;
|
|
});
|
|
if (maxW > SAFE_WIDTH) {
|
|
var s = SAFE_WIDTH / maxW;
|
|
el.style.transform = "scale(" + s + ")";
|
|
}
|
|
el.style.opacity = "0";
|
|
el.style.position = "";
|
|
});
|
|
}
|
|
|
|
fitBlocks();
|
|
|
|
var tl = gsap.timeline({ paused: true });
|
|
|
|
var allEls = BLOCKS.map(function (_, i) {
|
|
return document.getElementById("b" + i);
|
|
});
|
|
|
|
function blockStart(bi) {
|
|
return W[BLOCKS[bi].line1[0][0]].start;
|
|
}
|
|
|
|
BLOCKS.forEach(function (block, bi) {
|
|
var el = allEls[bi];
|
|
var start = blockStart(bi);
|
|
var nextStart = bi < BLOCKS.length - 1 ? blockStart(bi + 1) : DURATION;
|
|
|
|
// Each block already owns its full opacity lifecycle (set 1 at its
|
|
// own start, then set back to 0 at its own nextStart below), and
|
|
// blocks occupy non-overlapping windows, so explicitly hiding every
|
|
// OTHER block here was redundant and made timeline construction
|
|
// O(blocks^2) — this collapsed under dense stress transcripts (many
|
|
// single-word emphasis blocks). Removed; behavior is unchanged
|
|
// (verified against templates.test.ts).
|
|
|
|
tl.set(el, { opacity: 1 }, start);
|
|
|
|
block.line1.forEach(function (pair, wi) {
|
|
var wordEl = document.getElementById("b" + bi + "L1w" + wi);
|
|
var wordStart = W[pair[0]].start;
|
|
tl.set(wordEl, { opacity: 0, scale: 1.12, transformOrigin: "0% 100%" }, start);
|
|
tl.to(
|
|
wordEl,
|
|
{ opacity: 1, scale: 1, duration: ENTRY_DUR, ease: "power2.out" },
|
|
wordStart,
|
|
);
|
|
});
|
|
|
|
if (block.line2) {
|
|
var hasEmphasis = block.line2.some(function (p) {
|
|
return p[1] === "e";
|
|
});
|
|
var l2El = document.getElementById("b" + bi + "L2");
|
|
if (hasEmphasis) {
|
|
var l2Start = W[block.line2[0][0]].start;
|
|
tl.set(l2El, { opacity: 0, x: -layout.W }, start);
|
|
tl.to(l2El, { opacity: 1, x: 0, duration: SLIDE_DUR, ease: "power2.out" }, l2Start);
|
|
} else {
|
|
tl.set(l2El, { opacity: 1 }, start);
|
|
block.line2.forEach(function (pair, wi) {
|
|
var wordEl = document.getElementById("b" + bi + "L2w" + wi);
|
|
var wordStart = W[pair[0]].start;
|
|
tl.set(wordEl, { opacity: 0, scale: 1.12, transformOrigin: "0% 100%" }, start);
|
|
tl.to(
|
|
wordEl,
|
|
{ opacity: 1, scale: 1, duration: ENTRY_DUR, ease: "power2.out" },
|
|
wordStart,
|
|
);
|
|
});
|
|
}
|
|
}
|
|
|
|
tl.set(el, { opacity: 0 }, nextStart);
|
|
});
|
|
|
|
tl.to({}, { duration: DURATION }, 0);
|
|
return tl;
|
|
}
|
|
|
|
var hfCurrentTimeline = null;
|
|
|
|
function hfAttach(data) {
|
|
var v = hfValidate(data);
|
|
if (!v.ok) {
|
|
hfRunGate([], 0, v.reason);
|
|
return;
|
|
}
|
|
if (hfCurrentTimeline) {
|
|
hfCurrentTimeline.kill();
|
|
hfCurrentTimeline = null;
|
|
}
|
|
hfTeardown();
|
|
var layout = hfApplyStageConfig(data, v.durationS);
|
|
var tl = hfBuild(v.words, layout, v.durationS);
|
|
tl.set({}, {}, v.durationS); // pin timeline length to the data-derived duration
|
|
// GSAP quirk (confirmed 3.14.2): a fresh timeline already reports position 0,
|
|
// so seek(0) is treated as a no-op and skips rendering .set() calls scheduled
|
|
// at t=0 — the first frame would show pre-timeline CSS defaults (usually
|
|
// hidden). render(time, suppressEvents, force) with force=true bypasses that.
|
|
tl.render(0, true, true);
|
|
hfCurrentTimeline = tl;
|
|
window.__timelines = window.__timelines || {};
|
|
window.__timelines[HF_COMPOSITION_ID] = tl;
|
|
hfRunGate(v.words, v.durationS, null);
|
|
}
|
|
window.__HF_CAPTION_ATTACH__ = hfAttach;
|
|
|
|
(function hfBoot() {
|
|
function start(data) {
|
|
var ready =
|
|
document.fonts && document.fonts.ready ? document.fonts.ready : Promise.resolve();
|
|
ready.then(function () {
|
|
// A manual window.__HF_CAPTION_ATTACH__ call that lands while the
|
|
// sibling fetch / fonts.ready are still pending must win — never
|
|
// clobber it with the late-arriving boot payload.
|
|
if (hfCurrentTimeline) return;
|
|
hfAttach(data);
|
|
});
|
|
}
|
|
if (window.__HF_CAPTION__) {
|
|
start(window.__HF_CAPTION__);
|
|
return;
|
|
}
|
|
fetch("./caption-data.json")
|
|
.then(function (r) {
|
|
return r.ok ? r.json() : null;
|
|
})
|
|
.catch(function () {
|
|
return null;
|
|
})
|
|
.then(function (json) {
|
|
start(json || HF_DEMO_DATA);
|
|
});
|
|
})();
|
|
})();
|
|
</script>
|
|
</body>
|
|
</html>
|