viewer/index.html

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>SimpleEval — per-prompt viewer</title>
<style>
  :root { --bg:#111; --panel:#1b1b1f; --fg:#eee; --muted:#9aa0aa; --accent:#4c9ffe; --imgw:360px; }
  * { box-sizing: border-box; }
  body { margin:0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
         background: var(--bg); color: var(--fg); }
  header { position: sticky; top:0; z-index:10; background: var(--panel);
           padding: 10px 16px; border-bottom:1px solid #2a2a30; }
  .row { display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
  input[type="number"], button { background:#23232a; color:var(--fg);
           border:1px solid #34343c; border-radius:6px; padding:6px 9px; font-size:14px; }
  button { cursor:pointer; } button:hover { border-color: var(--accent); }
  button.rand { border-color: var(--accent); color: var(--accent); font-weight:600; }
  label { color: var(--muted); font-size:13px; }
  input[type="range"] { vertical-align: middle; accent-color: var(--accent); }
  #counter { font-variant-numeric: tabular-nums; min-width: 150px; display:inline-block; }
  #prompt { padding:10px 16px; color:#dfe3ea; background:#16161a; border-bottom:1px solid #2a2a30;
            white-space:pre-wrap; line-height:1.45; font-size:15px; }
  #prompt .pidx { color: var(--accent); font-weight:600; margin-right:8px; }
  #grid { display:flex; gap:16px; padding:16px; flex-wrap:wrap; align-items:flex-start; }
  .cell { text-align:center; }
  .cell .name { color:#cfd3da; font-size:14px; font-weight:600; margin-bottom:6px; }
  .cell .box { width: var(--imgw); height: var(--imgw); border:1px solid #2a2a30; border-radius:6px;
               background:#000; display:flex; align-items:center; justify-content:center; overflow:hidden; }
  .cell img { width:100%; height:100%; object-fit:contain; cursor:zoom-in; }
  .cell .ph { color:#555; font-size:13px; padding:10px; }
  .cell .name .mean { color: var(--muted); font-weight:400; }
  .cell .score { margin-top:6px; font-size:15px; font-weight:600; font-variant-numeric: tabular-nums; }
  .cell .score .lbl { color: var(--muted); font-size:11px; font-weight:400; margin-right:5px; }
  .cell .score .na { color:#555; font-weight:400; }
  .hint { color: var(--muted); font-size:12px; }
</style>
</head>
<body>
<header>
  <div class="row">
    <button id="prev">◀ Prev</button>
    <button id="next">Next ▶</button>
    <button id="random" class="rand">🎲 Random</button>
    <input type="range" id="slider" min="0" value="0">
    <span id="counter"></span>
    <label>prompt #</label>
    <input type="number" id="idxInput" min="0" style="width:90px">
    <label>size</label>
    <input type="range" id="size" min="200" max="640" step="20" value="360" style="width:120px">
    <span class="hint">← / → step · r = random</span>
  </div>
</header>
<div id="prompt"></div>
<div id="grid"></div>

<script>
let M = null, pos = 0;        // pos = index into M.available
const $ = id => document.getElementById(id);
const pad = (n, w) => String(n).padStart(w, '0');

async function loadManifest() {
  for (const url of ['manifest.json']) {
    try { const r = await fetch(url, {cache:'no-store'}); if (r.ok) return await r.json(); } catch (e) {}
  }
  throw new Error('no manifest');
}

async function init() {
  try { M = await loadManifest(); }
  catch (e) { $('prompt').textContent = 'Failed to load manifest — run gen_manifest.py (or --serve) and open over http.'; return; }
  if (!M.available.length) { $('prompt').textContent = 'No images found yet.'; return; }
  $('slider').max = M.available.length - 1;
  $('prev').onclick = () => go(pos - 1);
  $('next').onclick = () => go(pos + 1);
  $('random').onclick = () => go(Math.floor(Math.random() * M.available.length));
  $('slider').oninput = e => go(+e.target.value);
  $('idxInput').onchange = e => goToPromptIdx(+e.target.value);
  $('size').oninput = e => document.documentElement.style.setProperty('--imgw', e.target.value + 'px');
  document.addEventListener('keydown', e => {
    if (e.target.tagName === 'INPUT') return;
    if (e.key === 'ArrowRight') { go(pos + 1); e.preventDefault(); }
    else if (e.key === 'ArrowLeft') { go(pos - 1); e.preventDefault(); }
    else if (e.key === 'r' || e.key === 'R') { go(Math.floor(Math.random() * M.available.length)); }
  });
  go(0);
}

function goToPromptIdx(want) {
  let lo = 0, hi = M.available.length - 1, best = 0;
  while (lo <= hi) { const mid = (lo+hi)>>1;
    if (M.available[mid] <= want) { best = mid; lo = mid+1; } else hi = mid-1; }
  go(best);
}

function go(p) {
  pos = Math.max(0, Math.min(p, M.available.length - 1));
  const idx = M.available[pos];
  $('slider').value = pos;
  $('idxInput').value = idx;
  $('counter').textContent = `#${idx}  (${pos + 1}/${M.available.length})`;
  $('prompt').innerHTML = `<span class="pidx">#${idx}</span>` +
      (M.prompts[idx] || '<em style="color:#666">(no prompt text)</em>');

  const scoreLbl = M.score_name || 'score';
  const grid = $('grid');
  grid.innerHTML = '';
  for (const r of M.runs) {
    const src = `${M.rel_prefix}/${r.dir}/${pad(idx, M.pad)}.png`;
    const cell = document.createElement('div');
    cell.className = 'cell';
    const meanStr = (r.mean != null) ? ` <span class="mean">· mean ${r.mean.toFixed(3)}</span>` : '';
    cell.innerHTML = `<div class="name">${r.label}${meanStr}</div>`;

    const box = document.createElement('div');
    box.className = 'box';
    const img = document.createElement('img');
    img.loading = 'lazy';
    img.src = src;
    img.title = `${r.label} — ${pad(idx, M.pad)}.png`;
    img.onclick = () => window.open(src, '_blank');
    img.onerror = () => { box.innerHTML = '<div class="ph">not generated</div>'; };
    box.appendChild(img);
    cell.appendChild(box);

    // per-image score
    const s = (r.scores && r.scores[idx] != null) ? r.scores[idx] : null;
    const score = document.createElement('div');
    score.className = 'score';
    if (s == null) {
      score.innerHTML = `<span class="lbl">${scoreLbl}</span><span class="na">—</span>`;
    } else {
      score.innerHTML = `<span class="lbl">${scoreLbl}</span>` +
          `<span style="color:hsl(${s * 120},65%,55%)">${s.toFixed(3)}</span>`;
    }
    cell.appendChild(score);
    grid.appendChild(cell);
  }
}

init();
</script>
</body>
</html>