wait4xandGLM-5.3
44626f8edc
用户实测：缩放回 100% 图片不回中显示不全；另放大态可拖飞出舞台。 三修：zoomAt next<=1 归零 translate；applyZoom 平移钳制 |t|≤尺 寸差/2（放大态不变量=图盒覆盖舞台而非缩在视口内）；滚轮下限 0.5x→1x（fit 即最小，0.5x 制造偏移态）。mockup 同步三修。 验证: 回 1x transform=none 实测；四角极限拖拽覆盖舞台不变量 全过；E2E 34/34 Spec: none (用户实测 bug 热修，线上 v2+mockup 双修) Co-authored-by: GLM-5.3
315 lines
18 KiB
HTML
315 lines
18 KiB
HTML
<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>灯箱 v2.1 提案预览 · wait4x</title>
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<style>
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/* ===== 灰阶基底（对齐站 tokens.css：四档灰 + 唯一曲线族） ===== */
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:root{
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--bg:#fff; --bg-soft:#f7f7f8; --ink-1:#111113; --ink-2:#33343a; --ink-3:#6b6e78;
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--ink-4:#a0a3ad; --line:#e6e7eb; --radius-img:10px;
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--mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
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--sans:"Noto Sans SC Variable","Noto Sans SC",system-ui,-apple-system,"PingFang SC",sans-serif;
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--ez:cubic-bezier(.4,0,.22,1); /* PhotoSwipe 333ms 节奏同族曲线 */
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}
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*{box-sizing:border-box}
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body{margin:0;background:var(--bg);color:var(--ink-2);font-family:var(--sans);}
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body.locked{overflow:hidden}
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.wrap{max-width:896px;margin:0 auto;padding:28px 20px 72px}
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kbd{font-family:var(--mono);font-size:11.5px;border:1px solid var(--line);background:#fff;
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border-radius:4px;padding:1px 6px;color:var(--ink-3)}
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/* ===== 顶部说明：这是提案预览稿 ===== */
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.note{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;
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padding:14px 18px;font-size:13.5px;line-height:1.7;color:var(--ink-2);margin:18px 0 30px}
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.note strong{color:var(--ink-1)}
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.note ul{margin:6px 0 0;padding-left:18px}
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.note li{margin:2px 0}
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h1{font-size:27px;color:var(--ink-1);margin:8px 0 2px;font-weight:600}
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.sub{font-family:var(--mono);font-size:12.5px;color:var(--ink-4)}
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/* ===== 影像墙：cover 裁切（与线上一致，起飞动画的前提） ===== */
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.stage{background:rgba(255,255,255,.04);border-radius:6px;padding:14px}
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.wall{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);
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grid-auto-rows:8px;grid-auto-flow:dense;gap:14px}
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.shot{position:relative;overflow:hidden;border-radius:var(--radius-img);grid-row-end:span var(--sp,13)}
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.shot button{display:block;width:100%;height:100%;padding:0;border:none;background:none;cursor:zoom-in}
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.shot img{display:block;width:100%;height:100%;object-fit:cover}
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@media (max-width:820px){.wall{grid-template-columns:repeat(2,1fr)}}
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@media (max-width:560px){.wall{grid-template-columns:1fr 1fr;gap:10px}}
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/* ===== 灯箱：fixed 覆盖层（生产将等价几何搬回原生 <dialog>） ===== */
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.lbx{position:fixed;inset:0;z-index:80}
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.lbx[hidden]{display:none}
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.lbx-bg{position:absolute;inset:0;background:rgba(8,10,14,.96);opacity:0;
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transition:opacity 300ms var(--ez)}
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.lbx.on .lbx-bg{opacity:1}
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/* 双盒：win=裁切窗（动画 left/top/w/h），pic=内图（动画几何 + 缩放 transform） */
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.lbx-win{position:fixed;overflow:hidden;border-radius:6px;transform-origin:0 0;
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box-shadow:0 12px 48px rgba(0,0,0,.5);touch-action:none}
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.lbx-pic{position:absolute;transform-origin:50% 50%;user-select:none;-webkit-user-drag:none;
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transition:transform 90ms linear;cursor:zoom-in;display:block}
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.lbx.landing .lbx-win,.lbx.landing .lbx-pic{
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transition:left 300ms var(--ez),top 300ms var(--ez),width 300ms var(--ez),
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height 300ms var(--ez),transform 300ms var(--ez),opacity 300ms var(--ez)}
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.lbx-pic.zoomed{cursor:grab}.lbx-pic.grabbing{cursor:grabbing}
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.lbx-pic.swap{opacity:0}
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/* chrome 层 1：关闭/箭头/计数（+140ms 淡入） */
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.c1{opacity:0;transition:opacity 220ms var(--ez)}
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.lbx.on .c1{opacity:1;transition-delay:140ms}
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.lbx-btn{position:fixed;width:44px;height:44px;border-radius:10px;cursor:pointer;
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border:1px solid rgba(255,255,255,.22);background:rgba(20,24,30,.55);color:#e6e9ee;
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backdrop-filter:blur(4px);box-shadow:0 2px 10px rgba(0,0,0,.35);display:grid;place-items:center}
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.lbx-btn:hover{background:rgba(255,255,255,.12)}
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.lbx-close{top:16px;right:16px}
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.lbx-prev{left:14px;top:50%;translate:0 -50%}
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.lbx-next{right:14px;top:50%;translate:0 -50%}
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.lbx-count{position:fixed;top:26px;left:20px;font-family:var(--mono);font-size:12.5px;color:#98a2b3}
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/* chrome 层 2：caption / title+EXIF / 动作（+300ms 淡入） */
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.c2{opacity:0;transition:opacity 260ms var(--ez)}
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.lbx.on .c2{opacity:1;transition-delay:300ms}
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.lbx-meta{position:fixed;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;
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gap:3px;padding:14px 72px 20px;text-align:center;text-shadow:0 1px 4px rgba(0,0,0,.6)}
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.lbx-caption{margin:0;font-family:var(--sans);font-size:13.5px;line-height:1.6;color:#dfe6f3;max-width:640px}
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.lbx-row{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:14px;
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font-family:var(--mono);font-size:12.5px}
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.lbx-title{color:#fff;font-family:var(--sans);font-size:13px;font-weight:600}
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.lbx-exif{color:#98a2b3}
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.lbx-acts{display:inline-flex;gap:10px}
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.lbx-act{display:inline-flex;align-items:center;gap:5px;padding:6px 11px;border-radius:10px;
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border:1px solid rgba(255,255,255,.22);background:rgba(20,24,30,.55);color:#dfe6f3;
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font-family:var(--mono);font-size:12px;text-decoration:none;backdrop-filter:blur(4px)}
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.lbx-act:hover{background:rgba(40,48,60,.75);color:#fff}
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/* 沉浸态：zoom>1 或按 i —— chrome 全隐，舞台纯净 */
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.lbx.clean .c1,.lbx.clean .c2,.lbx.noui .c1,.lbx.noui .c2{opacity:0;transition-delay:0ms}
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/* 首开提示 + 缩放指示 */
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.lbx-hint{position:fixed;left:50%;bottom:128px;translate:-50% 0;padding:7px 13px;border-radius:10px;
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border:1px solid rgba(255,255,255,.22);background:rgba(20,24,30,.55);backdrop-filter:blur(4px);
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font-family:var(--mono);font-size:12px;color:#dfe6f3;opacity:0;transition:opacity 400ms var(--ez);
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pointer-events:none}
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.lbx-hint.show{opacity:1}
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.lbx-zind{position:fixed;right:20px;bottom:128px;font-family:var(--mono);font-size:12px;color:#98a2b3;
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opacity:0;transition:opacity 300ms var(--ez);pointer-events:none}
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.lbx-zind.show{opacity:1}
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@media (max-width:560px){
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.lbx-prev{left:6px}.lbx-next{right:6px}
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.lbx-meta{padding:12px 16px 16px}
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.lbx-hint{bottom:150px}
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}
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@media (prefers-reduced-motion:reduce){
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.lbx-bg,.c1,.c2,.lbx-pic,.lbx-win,.lbx-hint,.lbx-zind{transition:none!important}
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}
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</style>
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</head>
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<body>
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<div class="wrap">
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<h1>图库 · 灯箱 v2.1 提案预览</h1>
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<p class="sub">预览稿 —— 交互为提案演示（非线上行为）· 图片为 content/photos 实拍，EXIF 为示例数据</p>
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<div class="note">
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<strong>这是给浏览器直接打开的交互演示</strong>，对应《09-灯箱美化探索》提案 #1/#2/#3/#6/#7：
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<ul>
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<li><strong>原位起飞开合</strong>：点击缩略图，照片从原位放大入舞台；关闭回落原位（<kbd>Esc</kbd> / 背景点击 / 关闭钮）</li>
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<li><strong>chrome 双层淡入</strong>：开箱后层 1（箭头/计数）先入、层 2（caption/EXIF）随入；<kbd>i</kbd> 隐藏全部；放大后自动隐层</li>
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<li><strong>连拍导航</strong>：<kbd>←</kbd> <kbd>→</kbd> / 边缘箭头 / 触屏快滑；计数 n / N</li>
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<li><strong>缩放</strong>：滚轮锚点缩放 1–4x、<kbd>双击</kbd> 1x↔2.5x、放大后拖拽、双指缩放；右下角缩放指示</li>
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</ul>
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</div>
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<div class="stage"><ul class="wall" id="wall"></ul></div>
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</div>
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<!-- 灯箱：fixed 覆盖层（生产等价搬回原生 <dialog>，focus-trap 由 dialog 免费提供） -->
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<div class="lbx" id="lbx" hidden>
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<div class="lbx-bg"></div>
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<div class="lbx-win" id="win"><img class="lbx-pic" id="pic" alt=""></div>
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<button class="lbx-btn lbx-close c1" id="bClose" aria-label="关闭（Esc）">
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<svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"><path d="m5 5 14 14M19 5 5 19"/></svg></button>
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<button class="lbx-btn lbx-prev c1" id="bPrev" aria-label="上一张（←）">
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<svg viewBox="0 0 24 24" width="15" height="15" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m14.5 5.5-6.5 6.5 6.5 6.5"/></svg></button>
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<button class="lbx-btn lbx-next c1" id="bNext" aria-label="下一张（→）">
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<svg viewBox="0 0 24 24" width="15" height="15" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m9.5 5.5 6.5 6.5-6.5 6.5"/></svg></button>
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<div class="lbx-count c1" id="count">1 / 5</div>
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<div class="lbx-meta c2">
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<p class="lbx-caption" id="cap"></p>
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<div class="lbx-row"><strong class="lbx-title" id="ttl"></strong><span class="lbx-exif" id="exif"></span>
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<span class="lbx-acts"><a class="lbx-act" id="aOrig" href="#" target="_blank" rel="noopener">原图 ↗</a><a class="lbx-act" id="aDl" href="#" download>下载 ↓</a></span></div>
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</div>
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<div class="lbx-hint" id="hint">滚轮缩放 · 双击放大 · Esc 关闭 · i 隐藏界面</div>
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<div class="lbx-zind" id="zind">100%</div>
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</div>
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<script>
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/* ===== 数据：仓内实拍（含 2.36:1 长横幅与 2:3 竖图两种 letterbox 形态） ===== */
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const PHOTOS=[
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{src:'../content/photos/1766156983093.jpg',w:2400,h:1600,sp:13,title:'防波堤暮色',
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cap:'落日把海与城一齐烫成金箔，海鸟的剪影恰好掠过日轮',exif:'X-T5 · XF35mmF1.4 · f/5.6 · 1/500s · ISO 200'},
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{src:'../content/photos/mmexport1771816382115.jpg',w:2400,h:1018,sp:6,title:'长滩低云',
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cap:'涨潮前的长滩，云层压得很低',exif:'X100VI · f/8 · 1/1000s · ISO 160'},
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{src:'../content/photos/1766156998344.jpg',w:1600,h:2400,sp:20,title:'旗与塔',
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cap:'旗在风里翻卷，塔身亮得像一支随时点火的火箭',exif:'GR III · f/2.8 · 1/250s · ISO 400'},
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{src:'../content/photos/1766157004116.jpg',w:2400,h:1536,sp:9,title:'暮色撤离',
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cap:'灯柱次第亮起，暮色像退潮一样撤离',exif:'X-T5 · XF56mmF1.2 · f/1.4 · 1/120s · ISO 800'},
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{src:'../content/photos/mmexport1776564092433.jpg',w:2400,h:1600,sp:13,title:'夜航',
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cap:'货轮的灯在雾里连成一条迟疑的线',exif:'X-T5 · XF70-300mm · f/4 · 1/60s · ISO 1250'}];
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const N=PHOTOS.length;
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const $=id=>document.getElementById(id);
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const lbx=$('lbx'),win=$('win'),pic=$('pic'),wall=$('wall');
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const reduced=matchMedia('(prefers-reduced-motion: reduce)').matches;
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let idx=0,open_=false,hintShown=false;
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let zoom={s:1,tx:0,ty:0};
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/* ===== 影像墙 ===== */
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PHOTOS.forEach((p,i)=>{
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const li=document.createElement('li');
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li.className='shot'; li.style.setProperty('--sp',p.sp);
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const b=document.createElement('button'); b.type='button'; b.setAttribute('aria-label',p.title);
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b.dataset.i=i;
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const im=document.createElement('img'); im.src=p.src; im.alt=p.title; im.loading=i<3?'eager':'lazy';
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b.appendChild(im); li.appendChild(b); wall.appendChild(li);
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b.addEventListener('click',()=>openLbx(i));
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});
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const thumbImg=i=>wall.querySelector(`button[data-i="${i}"] img`);
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/* ===== 几何：舞台 fit 矩形 / cover-contain 双盒（PhotoSwipe data-cropped 路线） ===== */
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function stageBox(){const W=innerWidth,H=innerHeight;
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const side=W>760?56:12,top=64,bot=innerWidth>560?124:150;
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return{x:side,y:top,w:W-side*2,h:H-top-bot};}
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function fitRect(p,box){const r=p.w/p.h,br=box.w/box.h;let w,h;
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if(r>br){w=box.w;h=w/r;}else{h=box.h;w=h*r;}
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return{x:box.x+(box.w-w)/2,y:box.y+(box.h-h)/2,w,h};}
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function coverIn(p,winR){const r=p.w/p.h,wr=winR.w/winR.h;let w,h;
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if(wr>r){h=winR.h;w=h*r;}else{w=winR.w;h=w/r;}
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return{x:(winR.w-w)/2,y:(winR.h-h)/2,w,h};} /* 相对 win 的坐标 */
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const setBox=(el,g)=>{el.style.left=g.x+'px';el.style.top=g.y+'px';
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el.style.width=g.w+'px';el.style.height=g.h+'px';};
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/* ===== 开箱：从缩略图原位起飞 ===== */
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function fillMeta(p){$('cap').textContent=p.cap;$('ttl').textContent=p.title;
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$('exif').textContent=p.exif;$('count').textContent=`${idx+1} / ${N}`;
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$('aOrig').href=p.src;$('aDl').href=p.src;$('aDl').setAttribute('download',p.title+'.jpg');}
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function openLbx(i){
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idx=i;const p=PHOTOS[idx];pic.src=p.src;pic.alt=p.title;fillMeta(p);
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const t=thumbImg(i).getBoundingClientRect();
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const tr=fitRect(p,stageBox());
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zoom={s:1,tx:0,ty:0};pic.style.transform='none';pic.classList.remove('zoomed','grabbing','swap');
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lbx.hidden=false;open_=true;document.body.classList.add('locked');
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lbx.classList.add('landing');
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setBox(win,t);setBox(pic,coverIn(p,t)); /* 起点：与缩略图逐像素同框（cover 裁切） */
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if(reduced){lbx.classList.add('on');lbx.classList.remove('landing');setBox(win,tr);setBox(pic,{x:0,y:0,w:tr.w,h:tr.h});}
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else{
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void win.offsetWidth; /* 强制 reflow，起点先落定 */
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lbx.classList.add('on');
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setBox(win,tr);setBox(pic,{x:0,y:0,w:tr.w,h:tr.h}); /* 终点：舞台 contain */
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setTimeout(()=>lbx.classList.remove('landing'),330);
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}
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if(!hintShown){hintShown=true;const h=$('hint');h.classList.add('show');
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setTimeout(()=>h.classList.remove('show'),2600);}
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}
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/* ===== 关闭：回落到缩略图原位 ===== */
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function closeLbx(){
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if(!open_)return;
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const p=PHOTOS[idx],t=thumbImg(idx)?.getBoundingClientRect();
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instantResetZoom();
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if(reduced||!t){lbx.hidden=true;lbx.classList.remove('on','clean','noui');open_=false;
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document.body.classList.remove('locked');return;}
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lbx.classList.add('landing');
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setBox(win,t);setBox(pic,coverIn(p,t));
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lbx.classList.remove('on','clean','noui');
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setTimeout(()=>{lbx.hidden=true;lbx.classList.remove('landing');open_=false;
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document.body.classList.remove('locked');},320);
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}
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/* ===== 换片：旧图淡出、新图自侧向 10% 淡入（spacing 节奏） ===== */
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function show(i,dir){
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idx=((i%N)+N)%N;const p=PHOTOS[idx];instantResetZoom();fillMeta(p);
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pic.src=p.src;pic.alt=p.title;
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const tr=fitRect(p,stageBox());setBox(win,tr);setBox(pic,{x:0,y:0,w:tr.w,h:tr.h});
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if(!reduced){pic.classList.add('swap');
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pic.style.transform=`translateX(${dir*-10}%)`;
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void pic.offsetWidth;pic.classList.remove('swap');
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pic.style.transform='none';}
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}
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/* ===== 缩放：滚轮锚点 / 双击 / 双指 / 拖拽（复用线上 v2 数学） ===== */
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function clampPan(){const mx=Math.max(0,pic.clientWidth*(zoom.s-1)/2),
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my=Math.max(0,pic.clientHeight*(zoom.s-1)/2);
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zoom.tx=Math.min(mx,Math.max(-mx,zoom.tx));zoom.ty=Math.min(my,Math.max(-my,zoom.ty));}
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function applyZoom(){clampPan();
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pic.style.transform=zoom.s===1?'none':`translate(${zoom.tx}px,${zoom.ty}px) scale(${zoom.s})`;
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pic.classList.toggle('zoomed',zoom.s!==1);
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lbx.classList.toggle('clean',zoom.s!==1);}
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function instantResetZoom(){const keep=pic.style.transition;pic.style.transition='none';
|
||
zoom={s:1,tx:0,ty:0};pic.style.transform='none';pic.classList.remove('zoomed');
|
||
lbx.classList.remove('clean');void pic.offsetWidth;pic.style.transition=keep||'';}
|
||
function zoomAt(next,cx,cy){const r=pic.getBoundingClientRect();
|
||
const ax=cx-r.left-r.width/2-zoom.tx,ay=cy-r.top-r.height/2-zoom.ty;
|
||
if(next<=1){zoom={s:1,tx:0,ty:0};applyZoom();zindShow();return;}const k=next/zoom.s;zoom.tx-=ax*(k-1);zoom.ty-=ay*(k-1);zoom.s=next;applyZoom();zindShow();}
|
||
let zt;function zindShow(){const z=$('zind');z.textContent=Math.round(zoom.s*100)+'%';
|
||
z.classList.add('show');clearTimeout(zt);zt=setTimeout(()=>z.classList.remove('show'),900);}
|
||
lbx.addEventListener('wheel',e=>{if(!open_)return;e.preventDefault();
|
||
const f=Math.exp(-e.deltaY*0.0015);
|
||
const next=Math.min(4,Math.max(1,zoom.s*f));
|
||
if(next!==zoom.s)zoomAt(next,e.clientX,e.clientY);},{passive:false});
|
||
win.addEventListener('dblclick',e=>{if(zoom.s===1)zoomAt(2.5,e.clientX,e.clientY);
|
||
else instantResetZoom();}); /* 挂 win：放大态 setPointerCapture 会把 click 派发给 win，pic 收不到 */
|
||
|
||
/* 拖拽平移（放大态）+ 双指缩放：pointer 事件统一 */
|
||
const pts=new Map();let drag=null,pinch=null;
|
||
win.addEventListener('pointerdown',e=>{
|
||
pts.set(e.pointerId,{x:e.clientX,y:e.clientY});
|
||
if(pts.size===2){const a=[...pts.values()];
|
||
pinch={d0:Math.hypot(a[0].x-a[1].x,a[0].y-a[1].y),s0:zoom.s,
|
||
mx:(a[0].x+a[1].x)/2,my:(a[0].y+a[1].y)/2};drag=null;return;}
|
||
if(zoom.s>1){win.setPointerCapture(e.pointerId);
|
||
drag={x:e.clientX,y:e.clientY,tx:zoom.tx,ty:zoom.ty};pic.classList.add('grabbing');}
|
||
});
|
||
win.addEventListener('pointermove',e=>{
|
||
if(pts.has(e.pointerId))pts.set(e.pointerId,{x:e.clientX,y:e.clientY});
|
||
if(pinch&&pts.size===2){const a=[...pts.values()];
|
||
const d=Math.hypot(a[0].x-a[1].x,a[0].y-a[1].y);
|
||
const next=Math.min(4,Math.max(1,pinch.s0*d/pinch.d0));
|
||
if(next!==zoom.s)zoomAt(next,pinch.mx,pinch.my);return;}
|
||
if(drag){zoom.tx=drag.tx+e.clientX-drag.x;zoom.ty=drag.ty+e.clientY-drag.y;applyZoom();}
|
||
});
|
||
const endPt=e=>{pts.delete(e.pointerId);if(pts.size<2)pinch=null;
|
||
if(drag){drag=null;pic.classList.remove('grabbing');}};
|
||
win.addEventListener('pointerup',endPt);win.addEventListener('pointercancel',endPt);
|
||
|
||
/* 触屏快滑翻页（zoom=1 时） */
|
||
let x0=null;lbx.addEventListener('touchstart',e=>{x0=e.touches[0].clientX;},{passive:true});
|
||
lbx.addEventListener('touchend',e=>{if(x0===null||zoom.s!==1){x0=null;return;}
|
||
const dx=e.changedTouches[0].clientX-x0;
|
||
if(Math.abs(dx)>40)show(idx+(dx<0?1:-1),dx<0?1:-1);x0=null;},{passive:true});
|
||
|
||
/* ===== 键盘 / 背景点击 / chrome 召唤 ===== */
|
||
document.addEventListener('keydown',e=>{
|
||
if(!open_)return;
|
||
if(e.key==='Escape')closeLbx();
|
||
else if(e.key==='ArrowLeft')show(idx-1,-1);
|
||
else if(e.key==='ArrowRight')show(idx+1,1);
|
||
else if(e.key==='i'||e.key==='I')lbx.classList.toggle('noui');
|
||
});
|
||
lbx.addEventListener('click',e=>{
|
||
if(e.target.closest('.lbx-win')||e.target.closest('.lbx-btn')||
|
||
e.target.closest('.lbx-meta')||e.target.closest('a'))return;
|
||
closeLbx(); /* 背景点击关闭（bgClickAction:'close' 同款） */
|
||
});
|
||
$('bClose').addEventListener('click',closeLbx);
|
||
$('bPrev').addEventListener('click',()=>show(idx-1,-1));
|
||
$('bNext').addEventListener('click',()=>show(idx+1,1));
|
||
|
||
/* 开箱中窗口变化：舞台即时重排（不做动画，避免与缩放打架） */
|
||
addEventListener('resize',()=>{if(!open_||lbx.classList.contains('landing'))return;
|
||
const p=PHOTOS[idx];const tr=fitRect(p,stageBox());
|
||
setBox(win,tr);setBox(pic,{x:0,y:0,w:tr.w,h:tr.h});});
|
||
</script>
|
||
</body>
|
||
</html>
|