Surf Mystery Box 赠链追踪：X + Telegram 采集、名额检查、企业微信推送

- 清空原有代码，替换为 Surf 赠链追踪应用
- 前端 Vite + React + Tailwind，后端 Express（Surf SDK）
- 每 5 分钟检查新消息与赠链名额，发现可用赠链推送到企业微信
- Telegram 支持手机号登录读取私有频道；X 支持登录后实时搜索

.dockerignore

@@ -0,0 +1,9 @@
+node_modules
+**/node_modules
+public
+frontend/dist
+frontend/node_modules
+.vulcan
+.vulcan-error-reporter.js
+*.log
+.git

.gitattributes

@@ -1,11 +0,0 @@
-*.mp4 filter=lfs diff=lfs merge=lfs -text
-*.MP4 filter=lfs diff=lfs merge=lfs -text
-*.mov filter=lfs diff=lfs merge=lfs -text
-*.MOV filter=lfs diff=lfs merge=lfs -text
-*.mp3 filter=lfs diff=lfs merge=lfs -text
-*.png filter=lfs diff=lfs merge=lfs -text
-*.PNG filter=lfs diff=lfs merge=lfs -text
-*.jpg filter=lfs diff=lfs merge=lfs -text
-*.webp filter=lfs diff=lfs merge=lfs -text
-*.HEIC filter=lfs diff=lfs merge=lfs -text
-BeadQR/docs/source-photo.jpeg filter=lfs diff=lfs merge=lfs -text

BeadQR/README.md

@@ -1,50 +0,0 @@
-# 豆维 · 可扫码的拼豆
-
-输入一句话（可以再选一张照片），生成**用微信扫一扫就能读出内容**的 MARD 拼豆图纸，并支持导出 PDF 或图片。
-
-## 本版重点
-
-- **一眼看懂**：首屏直接说明用途，页面按“写一句话 → 选张照片 → 导出图纸”三步走，打开就能看到示例效果。
-- **更快**：配色查表加速，色格数据不再走页面数据通道；PDF 改为矢量直出（毫秒级，文件更小）；导出时不再重复绘制。
-- **更好看、更好扫**：
-  - 感知更准的配色（OKLab）
-  - 照片按面积取平均色，不再有锯齿
-  - 相邻色块自动平滑，零散颜色自动合并，所需豆子种类更少
-  - 二维码定位图形强制高对比
-  - 本机扫码自检：扫不出时一键优化
-- **打印友好**：PDF 为 A4 矢量图纸，大作品会自动分块并附总览页；每一格都印有色号，另附带用量的清单。
-- **精选色板**：除标准 221 色和完整 291 色外，还提供 144/96/72/48/24 色精选套装，方便少买豆。
-
-## 内容安全链路（按微信平台要求）
-
-| 环节 | 措施 |
-| --- | --- |
-| 二维码文字、扫码导入的文字、水印 | 云函数调用 `security.msgSecCheck` v2（带 openid、按场景值检测），结果为 risky 或 review 均拦截 |
-| 照片 | 选图后立即压缩到官方推荐的 750×1334 以内，由云函数调用 `security.imgSecCheck`；**检测通过前不能应用照片** |
-| 检测异常 | 一律视为未通过，不允许生成与导出（fail-closed） |
-| 导出前 | 再次校验全部文本（已通过的走缓存，不增加等待） |
-| 云函数加固 | 必须有 OPENID；只接受 `sec-check/` 目录下的 jpg；通过文件头判断格式；限制 1MB；检测后立即删除云端临时文件 |
-| 隐私 | 已开启 `__usePrivacyCheck__`，内置隐私授权弹窗；页脚设有“隐私保护指引”入口 |
-| 投诉与反馈 | 页脚提供“内容规范”说明及 `open-type="feedback"` 的投诉反馈入口 |
-| 分享 | 分享出去的只是小程序卡片，不带用户内容 |
-
-## 部署步骤
-
-1. 用微信开发者工具打开本目录（appid 已配置）。
-2. 右键 `cloudfunctions/quickstartFunctions` →「上传并部署：云端安装依赖」。**本版云函数有改动，必须重新部署。**
-3. 在云开发控制台 → 存储中确认可以写入 `sec-check/` 目录（默认权限即可）。
-4. 在小程序管理后台 →「设置 → 服务内容声明 → 用户隐私保护指引」中声明：选择图片/拍照（`chooseMedia`）、保存到相册（`saveImageToPhotosAlbum`）、扫码（`scanCode`）。
-5. 真机测试：正常/违规文字、正常/违规图片、断网时的检测异常，确认都会被正确拦截和提示。
-
-## 说明
-
-- 为保证扫码成功率，**二维码默认保留 1 格白边**。如需原来的“无白边”效果，可在「高级设置 → 白边」中选择“无”。
-- 圆豆、中空豆样式只影响图纸的显示效果，实际拼出来的位置与方豆完全一致。
-- 第三方代码：`utils/qrcore`（node-qrcode，MIT）、`utils/vendor/jsqr.js`（jsQR，Apache-2.0）。
-
-## 首屏演示动画 & 宣传视频
-
-- 首次打开（还没写内容）时，预览区播放 12 秒 1:1 演示动画：写一句话 → 编成二维码 → 融进照片 → 微信一扫 → 结尾卡片。
-- 动画由 `miniprogram/utils/intro.js` 纯代码实时绘制，**不含任何视频/图片素材，几乎不占包体积**（约 20KB）。演示作品由真实配色引擎生成，画面里的二维码真的能扫出 “Happy Birthday!”。
-- 滑出屏幕、切到后台、打开裁剪时自动暂停；点一下预览区重新播放；写下内容（或选了照片）后自动切回真实二维码。
-- `docs/promo/` 里是用同一套代码渲染的宣传视频（1080 / 720，含原创合成配乐）和封面图，可直接发公众号。该目录不在 `miniprogram/` 内，不计入小程序包体积。

BeadQR/cloudfunctions/quickstartFunctions/config.json

@@ -1,9 +0,0 @@
-{
-  "timeout": 20,
-  "permissions": {
-    "openapi": [
-      "security.msgSecCheck",
-      "security.imgSecCheck"
-    ]
-  }
-}

BeadQR/cloudfunctions/quickstartFunctions/index.js

@@ -1,92 +0,0 @@
-// 豆维 · 内容安全云函数
-// type: checkMessage | checkMessages | checkImage
-// 返回约定：{ risk: boolean, skipped?: boolean }；skipped 表示检测未能完成，前端必须拦截
-const cloud = require("wx-server-sdk");
-cloud.init({ env: cloud.DYNAMIC_CURRENT_ENV });
-
-const MAX_TEXT = 2500;
-const MAX_IMAGE_BYTES = 1024 * 1024;
-const MAX_BATCH = 5;
-
-const extractErrCode = (error) => {
-  if (!error) return undefined;
-  if (typeof error.errCode === "number") return error.errCode;
-  if (typeof error.code === "number") return error.code;
-  const match = typeof error.errMsg === "string" ? error.errMsg.match(/-?\d{3,}/) : null;
-  return match ? Number(match[0]) : undefined;
-};
-
-// msgSecCheck v2：scene 1 资料 / 2 评论 / 3 论坛 / 4 社交日志
-async function checkOneMessage(content, scene, openid) {
-  const value = String(content || "").slice(0, MAX_TEXT);
-  if (!value.trim()) return { risk: false };
-  const safeScene = [1, 2, 3, 4].includes(Number(scene)) ? Number(scene) : 2;
-  try {
-    const response = await cloud.openapi.security.msgSecCheck({
-      version: 2,
-      scene: safeScene,
-      openid,
-      content: value,
-    });
-    const suggest = response && response.result && response.result.suggest;
-    if (!suggest) return { risk: false, skipped: true };
-    // review（疑似）按违规处理，宁严勿松
-    return { risk: suggest === "risky" || suggest === "review", verdict: suggest };
-  } catch (e) {
-    if (extractErrCode(e) === 87014) return { risk: true, verdict: "risky" };
-    return { risk: false, skipped: true, errCode: extractErrCode(e) };
-  }
-}
-
-// 通过文件头判断真实格式，不信任客户端传入的类型
-function sniffType(buffer) {
-  if (buffer.length > 3 && buffer[0] === 0xff && buffer[1] === 0xd8 && buffer[2] === 0xff) return "image/jpeg";
-  if (buffer.length > 8 && buffer[0] === 0x89 && buffer[1] === 0x50 && buffer[2] === 0x4e && buffer[3] === 0x47) return "image/png";
-  return "";
-}
-
-async function checkImage(fileID) {
-  // 只允许检测本小程序上传到 sec-check/ 目录的临时文件，防止借接口删除/读取其他文件
-  if (typeof fileID !== "string" || !/^cloud:\/\/[^/]+\/sec-check\/[\w.-]+\.jpg$/.test(fileID)) {
-    return { risk: false, skipped: true, reason: "INVALID_FILE" };
-  }
-  try {
-    const download = await cloud.downloadFile({ fileID });
-    const buffer = download && download.fileContent;
-    const contentType = buffer ? sniffType(buffer) : "";
-    if (!buffer || !buffer.length || buffer.length > MAX_IMAGE_BYTES || !contentType) {
-      return { risk: false, skipped: true, reason: "BAD_IMAGE" };
-    }
-    await cloud.openapi.security.imgSecCheck({
-      media: { contentType, value: buffer },
-    });
-    return { risk: false };
-  } catch (e) {
-    if (extractErrCode(e) === 87014) return { risk: true, verdict: "risky" };
-    return { risk: false, skipped: true, errCode: extractErrCode(e) };
-  } finally {
-    try {
-      await cloud.deleteFile({ fileList: [fileID] });
-    } catch (e) {
-      // 清理失败不影响检测结果
-    }
-  }
-}
-
-exports.main = async (event) => {
-  const { OPENID } = cloud.getWXContext();
-  if (!OPENID) return { risk: false, skipped: true, reason: "NO_OPENID" };
-  const type = event && event.type;
-  if (type === "checkMessage") {
-    return checkOneMessage(event.content, event.scene, OPENID);
-  }
-  if (type === "checkMessages") {
-    const items = Array.isArray(event.items) ? event.items.slice(0, MAX_BATCH) : [];
-    const results = await Promise.all(items.map((it) => checkOneMessage(it && it.value, it && it.scene, OPENID)));
-    return { results };
-  }
-  if (type === "checkImage") {
-    return checkImage(event.fileID);
-  }
-  return { risk: false, skipped: true, reason: "UNKNOWN_TYPE" };
-};

BeadQR/cloudfunctions/quickstartFunctions/package-lock.json

@@ -1,1157 +0,0 @@
-{
-  "name": "quickstartFunctions",
-  "version": "1.0.0",
-  "lockfileVersion": 3,
-  "requires": true,
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-      "name": "quickstartFunctions",
-      "version": "1.0.0",
-      "license": "ISC",
-      "dependencies": {
-        "wx-server-sdk": "~4.0.2"
-      }
-    },
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-      "license": "ISC"
-    },
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-      "license": "ISC",
-      "dependencies": {
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-        "web-streams-polyfill": "^4.0.0"
-      }
-    },
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-        },
-        "ws": {
-          "optional": true
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-      }
-    },
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-        "qs": "^6.12.3"
-      },
-      "engines": {
-        "node": ">= 0.4"
-      }
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-      "license": "MIT",
-      "workspaces": [
-        "test/benchmark-test",
-        "test/rollup-test",
-        "test/webpack-test"
-      ],
-      "engines": {
-        "node": ">= 8"
-      }
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-    "node_modules/wx-server-sdk": {
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-      "license": "MIT",
-      "dependencies": {
-        "@cloudbase/node-sdk": "3.17.2",
-        "json-bigint": "^1.0.0",
-        "protobufjs": "^7.2.4",
-        "tslib": "^1.9.3"
-      }
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-      "license": "MIT",
-      "engines": {
-        "node": ">=4.0"
-      }
-    }
-  }
-}

BeadQR/cloudfunctions/quickstartFunctions/package.json

@@ -1,14 +0,0 @@
-{
-  "name": "quickstartFunctions",
-  "version": "1.0.0",
-  "description": "",
-  "main": "index.js",
-  "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "author": "",
-  "license": "ISC",
-  "dependencies": {
-    "wx-server-sdk": "~4.0.2"
-  }
-}

BeadQR/docs/promo/douwei-1080.mp4

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:89ba1505c4ce4aa36316841c497dc96b8997bac534bb534426c23ca96ce87dcc
-size 3693122

BeadQR/docs/promo/douwei-720.mp4

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:626ea04f449f33fe29c4ec6c4aa94a2db88600cababab4f5a11b74155b4eee4e
-size 1650037

BeadQR/docs/video-script.md

@@ -1,116 +0,0 @@
-# 豆维 · 视频文案与分镜脚本
-
-> 目标：用一个短视频介绍「豆维 · 可扫码的拼豆」小程序，让观众理解它是什么、为什么有趣、怎么做出来。
-> 结构：提出想法 → 实现想法 → 制作例子 → 完成例子。
-
----
-
-## 一、视频定位与调性
-
-| 维度 | 建议 |
-|------|------|
-| 时长 | 主版本 60–90 秒（B站 / 朋友圈 / 公众号），另附 15–30 秒短视频版 |
-| 调性 | 温暖手作 × 科技惊喜，不是冷冰冰的产品演示 |
-| 核心情绪 | 「拼豆不止是一幅画，它是一封能被读到的信」 |
-| 目标观众 | 拼豆爱好者、手工创作者、喜欢送独特礼物的人 |
-| 画面风格 | 暖色调，木桌面，自然光；手机屏幕录制与实物特写交替出现 |
-
----
-
-## 二、核心文案（Slogan / 一句话介绍）
-
-以下任选一条作为标题或结尾定版字：
-
-1. **豆维 · 可扫码的拼豆**
-2. **每一颗珠子，都藏着一句话。**
-3. **拼出来的二维码，扫出来的心意。**
-4. **把想说的话，拼进一幅画里。**
-5. **看得见，也读得到。**
-
-推荐主标题：**看得见，也读得到。——豆维，可扫码的拼豆**
-
----
-
-## 三、主版本分镜脚本（60–90 秒）
-
-> 旁白以第一人称「我」叙述，语气像朋友分享，不念广告稿。
-> 「画面」列标注了你需要准备的素材类型；如果你已有类似镜头，直接对应即可。
-
-| 幕 | 时间 | 画面 | 旁白 / 字幕 | 剪辑提示 |
-|----|------|------|-------------|----------|
-| **第一幕：提出想法** | 0:00–0:08 | 桌面上摆着几幅拼豆作品，阳光照进来。手拿起其中一幅，翻到背面，又翻回来。 | **旁白：** 我做了很多拼豆作品，挂在墙上很好看。但我总在想——它能不能，不止是一幅画？ | 慢推镜头，配温暖的钢琴或指弹吉他。最后一帧画面停在作品特写。 |
-| | 0:08–0:14 | 手拿起手机对准拼豆作品「扫一扫」——屏幕弹出一条消息或链接。 | **旁白：** 能不能扫一下，就能看到我想说的话？ | 这是全片第一处「惊喜时刻」，音效清脆，屏幕内容要清晰可见。 |
-| **第二幕：实现想法** | 0:14–0:24 | 切到手机屏幕录屏：打开豆维小程序，输入一段文字。 | **旁白：** 所以我做了「豆维」——一个可扫码的拼豆图纸生成器。输入一段话，或者一个链接。 | 屏幕录制加速 2–3 倍，打字过程快放。 |
-| | 0:24–0:34 | 录屏：导入一张照片，裁切、去背景。 | **旁白：** 再选一张你喜欢的照片。它会把照片和二维码，合成一幅完整的拼豆图纸。 | 展示裁切弹窗操作，去背景效果前后对比。 |
-| | 0:34–0:44 | 录屏：拖动滑块调整二维码大小和位置，切换「丰富 / 平衡 / 稳定」模式。 | **旁白：** 二维码可以放大缩小、移到任何位置。颜色会自动匹配 221 色的拼豆色库，还能选择更注重美观、还是更保证能扫出来。 | 滑块操作用慢动作展示，让观众看到图案实时变化。 |
-| **第三幕：制作例子** | 0:44–0:52 | 导出的图纸打印出来，摆在桌上。开始一颗一颗摆珠子。 | **旁白：** 图纸保存下来，打印出来，就可以开始拼了。 | 延时摄影或快剪，展示摆珠过程，保留几秒真实速度的特写。 |
-| | 0:52–0:58 | 熨斗烫过，拼豆板冷却，掀开，成品完成。 | **旁白：** 熨好，冷却，掀开—— | 掀开那一刻音效「叮」，画面干净利落。 |
-| **第四幕：完成例子** | 0:58–1:10 | 手持成品对镜头展示，然后用手机扫描。屏幕上弹出一开始输入的那段话。 | **旁白：** 它不只是一幅画。你把手机对准它——就能读到里面藏着的话。 | 这是全片情绪最高点。扫描过程用真实速度，屏幕内容要清楚。 |
-| | 1:10–1:20 | 多个成品排列展示（不同图案、不同颜色），最后画面淡出到品牌 Logo 和小程序码。 | **旁白：** 豆维，可扫码的拼豆。看得见，也读得到。 | 结尾定格 3 秒，放小程序码，方便观众扫码体验。 |
-
----
-
-## 四、15 秒短视频版（抖音 / 视频号快闪）
-
-| 时间 | 画面 | 字幕（无旁白，纯字幕流） |
-|------|------|--------------------------|
-| 0–3s | 手拿起拼豆作品 → 手机扫描 → 屏幕弹出消息 | 拼豆里，藏着一条消息 |
-| 3–8s | 快剪：输入文字 → 导入照片 → 图纸生成 → 摆珠 | 豆维：输入一句话，选一张图，生成拼豆图纸 |
-| 8–13s | 熨烫 → 掀开 → 成品再扫一次 | 拼好，烫平，扫一下—— |
-| 13–15s | 品牌 Logo + 小程序码 | 消息就出来了。豆维 · 可扫码的拼豆 |
-
-> 快闪版不需要旁白，靠音乐节奏 + 字幕推进。音乐选节奏感强的电子或 Lo-Fi。
-
----
-
-## 五、30 秒版本（朋友圈 / 公众号内嵌）
-
-节奏比 15 秒版稍慢，保留 4 个关键节点：
-
-1. **悬念**（5s）：拿起作品 → 扫码 → 弹出内容
-2. **怎么做**（10s）：小程序操作快剪（输入 → 导图 → 调整 → 导出）
-3. **手作过程**（8s）：摆珠延时 + 熨烫 + 掀开
-4. **结尾**（7s）：成品特写 + 再扫一次 + 定版
-
-配乐：轻快指弹吉他或 Lo-Fi，音量压低，让旁白清晰。
-
----
-
-## 六、素材清单
-
-拍摄前对照这份清单，确认已拍到以下镜头（√ 为已有，× 为待补）：
-
-| 素材 | 用途 | 状态 |
-|------|------|------|
-| 多幅完成的拼豆作品摆拍（正面 / 斜角 / 背面） | 开头悬念、结尾展示 | ☐ |
-| 手机扫描拼豆作品并弹出内容的实拍 | 全片核心「惊喜时刻」，需拍 2–3 次 | ☐ |
-| 豆维小程序屏幕录制：输入文字、导入图片、裁切、调 QR 位置、切模式 | 第二幕 | ☐ |
-| 图纸导出 / 打印的镜头 | 第三幕开头 | ☐ |
-| 摆珠延时或快剪素材 | 第三幕 | ☐ |
-| 熨斗烫拼豆 + 掀开的特写 | 第三幕高潮 | ☐ |
-| 成品多角度特写（自然光 / 桌面） | 结尾 | ☐ |
-
----
-
-## 七、剪辑建议
-
-- **转场**：幕与幕之间用干净的硬切或快速模糊，不要花哨转场。产品视频要显得克制。
-- **音乐**：主版本选温暖的原声吉他或钢琴；快闪版选节奏感强的 Lo-Fi / 电子。全片一首歌，不要中途换。
-- **节奏**：第三幕（摆珠）可以稍慢，让观众感受手作质感；第二幕（录屏）加速推进。
-- **字幕**：全程加简体中文字幕，关键词用品牌色 `#416d62`（深绿）高亮。
-- **结尾**：小程序码至少停留 3 秒，让观众来得及扫码。
-
----
-
-## 八、旁白全文（主版本，可直接朗读）
-
-> 我做了很多拼豆作品，挂在墙上很好看。但我总在想——它能不能，不止是一幅画？能不能扫一下，就能看到我想说的话？
->
-> 所以我做了「豆维」。输入一段话，或者一个链接，再选一张你喜欢的照片。它会把照片和二维码，合成一幅完整的拼豆图纸。二维码可以放大缩小、移到任何位置，颜色会自动匹配 221 色的拼豆色库，还能选择更注重美观、还是更保证能扫出来。
->
-> 图纸保存下来，打印出来，就可以开始拼了。熨好，冷却，掀开——
->
-> 它不只是一幅画。你把手机对准它，就能读到里面藏着的话。
->
-> 豆维，可扫码的拼豆。看得见，也读得到。
-

BeadQR/docs/审核驳回处理-文案与步骤.md

@@ -1,58 +0,0 @@
-# 审核驳回处理：深度合成误判 — 文案与步骤
-
-> 驳回原因（2026-09-30）：小程序服务内容涉及深度合成技术（如 AI 问答、AI 换脸视频、AI 绘画等），属个人主体尚未开放服务类目，建议申请企业主体类型小程序。
-
-## 结论
-
-代码里没有任何 AI 功能：文字是标准二维码编码；"照片转图纸"是确定性本地图像处理（按网格取平均色 → 映射到 221 种固定色号），不用任何模型、不生成新图像。被判"深度合成"大概率是**后台简介 / 服务类目 / 服务内容声明的表述**或审核员看到"照片→生成图纸"产生的误判。
-
-## 路径 A（推荐，最快）：修正表述后重新提审
-
-### 1. 检查后台三处（mp.weixin.qq.com）
-
-| 位置 | 检查项 |
-| --- | --- |
-| 服务类目 | 改为 **工具 - 图片处理**（个人主体可选）；删除任何 AI / 深度合成相关类目 |
-| 服务内容声明 / 提审问卷 | 凡问"是否提供 AI 生成内容、AI 问答、AI 绘画、深度合成"一律选 **否** |
-| 小程序简介 | 换成下方"新简介"，去掉"生成器 / 一键生成 / 智能"等字眼 |
-
-### 2. 新简介（约 90 字，上限 120）
-
-```
-手工拼豆图纸工具：输入一句话或选一张照片，按 MARD 标准色号排成拼豆图纸，拼好微信一扫就能读出内容。支持 A4 矢量 PDF 与图片导出、用量清单。照片仅在本地做取色处理，并经微信内容安全检测。
-```
-
-### 3. 版本描述 / 审核备注（重新提审时填写）
-
-```
-本小程序为拼豆手工图纸工具，不使用任何人工智能或深度合成技术，无 AIGC 功能：
-1. "照片转图纸"为确定性本地图像处理：将用户上传照片按网格取平均色，再映射到固定的 221 种拼豆标准色号（色彩量化 + 最近邻查表），不生成、不合成任何新图像内容，不涉及人脸或生物特征编辑；
-2. 文字功能是将文本编码为标准二维码点阵，非内容生成；
-3. 所有处理均在用户手机本地完成，且已接入微信内容安全接口（security.msgSecCheck / imgSecCheck），检测未通过时禁止生成与导出（fail-closed）。
-请按"工具-图片处理"类目审核。
-```
-
-## 路径 B：申诉
-
-若不想改简介，可直接对本次审核结果发起申诉（审核结果页 → 申诉），粘贴下文：
-
-```
-本小程序为拼豆手工图纸工具，不涉及深度合成技术：
-(1) 不使用 AI 模型 / 神经网络，无 AI 问答、AI 绘画、AI 换脸等 AIGC 功能；
-(2) 照片功能仅做确定性色彩量化：按网格取平均色并映射到 221 种固定标准色号，属于常规图像处理，不生成新图像、不做人脸或生物特征编辑；
-(3) 文字功能为标准二维码编码；
-(4) 已接入微信内容安全检测（msgSecCheck / imgSecCheck），检测未通过不能生成或导出。
-恳请复核，建议按"工具-图片处理"类目审核。
-```
-
-申诉未通过时：修改简介与类目后按路径 A 重新提审（改了表述基本都能过）。
-
-## 路径 C：仅当二次被拒或想保留"生成"叙事
-
-1. **隐藏照片功能**（只保留文字 → 二维码图纸，纯编码无争议）——我可以直接改代码；
-2. **升级主体**：注册个体工商户 / 企业 → 主体变更 → 申请深度合成相关类目 + 算法备案。仅在以后真要做 AI 功能时才值得，当前工具用不到。
-
-## 顺手可做的降风险小改动（可选）
-
-- 首页徽标 `MARD 拼豆图纸生成器` → `MARD 拼豆图纸工具`
-- 分享标题 `豆维 · 可扫码的拼豆图纸生成器` → `豆维 · 可扫码的拼豆图纸`

BeadQR/miniprogram/app.js

@@ -1,14 +0,0 @@
-// 豆维 · 可扫码的拼豆
-App({
-  onLaunch() {
-    if (!wx.cloud) {
-      console.error('当前基础库不支持云开发，内容安全检测不可用')
-      return
-    }
-    wx.cloud.init({
-      env: 'cloud1-d6gthxado7f6c9d14',
-      traceUser: true,
-    })
-  },
-  globalData: {},
-})

BeadQR/miniprogram/app.json

@@ -1,19 +0,0 @@
-{
-  "pages": [
-    "pages/index/index"
-  ],
-  "window": {
-    "backgroundColor": "#f6f5f1",
-    "backgroundTextStyle": "dark",
-    "navigationBarBackgroundColor": "#f6f5f1",
-    "navigationBarTitleText": "豆维 · 可扫码的拼豆",
-    "navigationBarTextStyle": "black"
-  },
-  "usingComponents": {
-    "privacy-popup": "/components/privacy-popup/index"
-  },
-  "__usePrivacyCheck__": true,
-  "sitemapLocation": "sitemap.json",
-  "style": "v2",
-  "lazyCodeLoading": "requiredComponents"
-}

BeadQR/miniprogram/app.wxss

@@ -1,37 +0,0 @@
-/* 豆维 · 设计变量 */
-page {
-  --ink: #16211f;
-  --ink-2: #3a4643;
-  --muted: #6f7a76;
-  --faint: #a4aca8;
-  --bg: #f6f5f1;
-  --card: #ffffff;
-  --line: #ebe8e1;
-  --brand: #0f766e;
-  --brand-2: #14b8a6;
-  --brand-soft: #e6f4f1;
-  --brand-deep: #0f3d3a;
-  --accent: #ff7a45;
-  --accent-soft: #fff1ea;
-  --danger: #e5484d;
-  --danger-soft: #fdecec;
-  --ok: #12a150;
-  --ok-soft: #e7f6ed;
-  --warn: #c77700;
-  --warn-soft: #fff5e0;
-  --r-s: 16rpx;
-  --r-m: 24rpx;
-  --r-l: 36rpx;
-  --shadow: 0 8rpx 32rpx rgba(22, 33, 31, 0.06);
-
-  background: var(--bg);
-  color: var(--ink);
-  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', 'Microsoft YaHei', sans-serif;
-  font-size: 28rpx;
-  line-height: 1.55;
-}
-
-view, text, textarea, input, button, scroll-view, canvas, image { box-sizing: border-box; }
-
-button { padding: 0; margin: 0; background: none; border: 0; border-radius: 0; line-height: inherit; font-size: inherit; color: inherit; text-align: center; }
-button::after { border: 0; }

BeadQR/miniprogram/components/privacy-popup/index.js

@@ -1,40 +0,0 @@
-// 隐私保护指引弹窗：用户首次调用相册/相机/保存到相册等隐私接口时由微信触发
-Component({
-  data: { visible: false, contractName: '《豆维隐私保护指引》' },
-
-  lifetimes: {
-    attached() {
-      if (!wx.onNeedPrivacyAuthorization) return
-      this._listener = (resolve) => {
-        this._resolve = resolve
-        this.setData({ visible: true })
-      }
-      wx.onNeedPrivacyAuthorization(this._listener)
-      if (wx.getPrivacySetting) {
-        wx.getPrivacySetting({
-          success: (res) => {
-            if (res.privacyContractName) this.setData({ contractName: res.privacyContractName })
-          },
-        })
-      }
-    },
-  },
-
-  methods: {
-    openContract() {
-      if (wx.openPrivacyContract) wx.openPrivacyContract({})
-    },
-    handleAgree() {
-      if (this._resolve) this._resolve({ buttonId: 'privacy-agree-btn', event: 'agree' })
-      this._resolve = null
-      this.setData({ visible: false })
-    },
-    handleDisagree() {
-      if (this._resolve) this._resolve({ event: 'disagree' })
-      this._resolve = null
-      this.setData({ visible: false })
-      wx.showToast({ title: '未同意将无法选择照片或保存图纸', icon: 'none' })
-    },
-    noop() {},
-  },
-})

BeadQR/miniprogram/components/privacy-popup/index.json

@@ -1,4 +0,0 @@
-{
-  "component": true,
-  "usingComponents": {}
-}

BeadQR/miniprogram/components/privacy-popup/index.wxml

@@ -1,13 +0,0 @@
-<view wx:if="{{visible}}" class="mask" catchtouchmove="noop">
-  <view class="sheet">
-    <view class="title">隐私保护提示</view>
-    <view class="desc">
-      为了帮你把照片做成拼豆图纸，豆维需要读取你选择的照片、保存图纸到相册。照片仅在本机处理，送检的压缩副本会在内容安全检测后立即删除。使用前请阅读
-      <text class="link" bindtap="openContract">{{contractName}}</text>。
-    </view>
-    <view class="actions">
-      <button class="btn ghost" bindtap="handleDisagree">不同意</button>
-      <button id="privacy-agree-btn" class="btn primary" open-type="agreePrivacyAuthorization" bindagreeprivacyauthorization="handleAgree">同意并继续</button>
-    </view>
-  </view>
-</view>

BeadQR/miniprogram/components/privacy-popup/index.wxss

@@ -1,10 +0,0 @@
-.mask { position: fixed; inset: 0; z-index: 999; background: rgba(15, 23, 22, 0.55); display: flex; align-items: flex-end; }
-.sheet { width: 100%; background: #fff; border-radius: 40rpx 40rpx 0 0; padding: 48rpx 40rpx calc(40rpx + env(safe-area-inset-bottom)); box-sizing: border-box; }
-.title { font-size: 36rpx; font-weight: 700; color: #1d2b2a; margin-bottom: 20rpx; }
-.desc { font-size: 28rpx; line-height: 1.7; color: #55615c; }
-.link { color: #0f766e; font-weight: 600; }
-.actions { display: flex; gap: 20rpx; margin-top: 40rpx; }
-.btn { flex: 1; height: 92rpx; line-height: 92rpx; border-radius: 999rpx; font-size: 30rpx; font-weight: 600; margin: 0 !important; padding: 0 !important; width: auto !important; }
-.btn::after { border: 0; }
-.ghost { background: #f1f3f2; color: #55615c; }
-.primary { background: #0f766e; color: #fff; }

BeadQR/miniprogram/pages/index/index.js

@@ -1,1073 +0,0 @@
-// 豆维主页面
-// 大数据（色格、图片、画布节点）一律挂在 this._ 上，不进 setData，保证滑动/输入流畅
-const { MATCH_MODES, PRESETS, preparePalette } = require('../../utils/palette')
-const { makeQr, createPlacement, SAMPLE_TEXT } = require('../../utils/qr')
-const { getImageDimensions, drawCropped, sampleImage, removeSimpleBackground } = require('../../utils/imaging')
-const { computeArtwork } = require('../../utils/engine')
-const { selfCheck } = require('../../utils/scancheck')
-const { renderPreview, patternPageLayout, drawPatternPage, buildInfoPages, drawWatermark } = require('../../utils/pattern')
-const { PdfDoc, planPatternPages, addPatternPages, addImagePage } = require('../../utils/pdf')
-const security = require('../../utils/security')
-const { createIntro } = require('../../utils/intro')
-
-const LEVELS = [
-  { id: 'M', label: 'M', hint: '格子少' },
-  { id: 'Q', label: 'Q', hint: '均衡' },
-  { id: 'H', label: 'H', hint: '最耐磨' },
-]
-const QUIET_OPTIONS = [
-  { id: 0, label: '无' },
-  { id: 1, label: '1 格' },
-  { id: 2, label: '2 格' },
-]
-const BEAD_STYLES = [
-  { id: 'square', label: '方豆' },
-  { id: 'round', label: '圆豆' },
-  { id: 'hollow', label: '中空豆' },
-]
-const GRID_COLORS = ['#0f766e', '#16211f', '#e5484d', '#3b82f6', '#a855f7']
-const POSITIONS = [0, 50, 100]
-const MAX_CANVAS_SIDE = 8000
-const MAX_CANVAS_PIXELS = 16000000
-const CROP_SIZE = 640
-const FILE_PREFIX = 'douwei-'
-
-function fitScale(w, h) {
-  return Math.min(1, MAX_CANVAS_SIDE / w, MAX_CANVAS_SIDE / h, Math.sqrt(MAX_CANVAS_PIXELS / (w * h)))
-}
-
-function formatNumber(n) {
-  return String(n).replace(/\B(?=(\d{3})+(?!\d))/g, ',')
-}
-
-Page({
-  data: {
-    // 导航
-    statusBarHeight: 20,
-    navHeight: 44,
-    navSolid: false,
-    // 1. 内容
-    text: '',
-    textStatus: 'idle', // idle | checking | pass | risky | error
-    scanImportLoading: false,
-    // 2. 照片
-    hasImage: false,
-    imageThumb: '',
-    imageMeta: '',
-    removeBackground: false,
-    bgTolerance: 22,
-    // 3. 效果
-    qrScale: 100,
-    posX: 50,
-    posY: 50,
-    positions: POSITIONS,
-    modeId: 'balanced',
-    matchModes: MATCH_MODES,
-    advancedOpen: false,
-    fineTuneOpen: false,
-    presets: PRESETS.map((p) => ({ id: p.id, short: p.short, detail: p.detail })),
-    paletteId: '221',
-    coherence: 40,
-    cleanup: true,
-    levels: LEVELS,
-    level: 'H',
-    quietOptions: QUIET_OPTIONS,
-    quiet: 1,
-    // 预览与统计
-    generating: false,
-    isSample: true,
-    showIntro: true, // 无内容时播放动态演示，写下内容后切回真实预览
-    textFocus: false,
-    gridText: '—',
-    beadsText: '—',
-    colorsText: '—',
-    qrGridText: '',
-    scanState: 'idle', // idle | checking | ok | fail
-    usage: [],
-    usageMore: 0,
-    usageExpanded: false,
-    usageAll: [],
-    // 裁切
-    cropVisible: false,
-    cropCheck: 'idle', // checking | pass | risky | error
-    draftFocusX: 50,
-    draftFocusY: 50,
-    draftZoom: 100,
-    draftFlipH: false,
-    draftFlipV: false,
-    draftRemoveBg: false,
-    draftBgTolerance: 22,
-    // 导出
-    exportVisible: false,
-    exportFormat: 'pdf',
-    exportLayout: 'combined',
-    exportQuality: 'hd',
-    beadStyles: BEAD_STYLES,
-    beadStyle: 'square',
-    gridEnabled: true,
-    gridInterval: 10,
-    gridColors: GRID_COLORS,
-    gridColor: '#0f766e',
-    watermark: '',
-    watermarkStatus: 'idle',
-    exporting: false,
-    exportStep: '',
-    exportResult: null, // { kind, files: [{ name, path }] }
-  },
-
-  // —— 生命周期 ——
-
-  onLoad() {
-    const win = wx.getWindowInfo ? wx.getWindowInfo() : wx.getSystemInfoSync()
-    let navHeight = 44
-    try {
-      const capsule = wx.getMenuButtonBoundingClientRect()
-      if (capsule && capsule.top) navHeight = (capsule.top - win.statusBarHeight) * 2 + capsule.height
-    } catch (e) { /* 使用默认高度 */ }
-    this._dpr = Math.min(3, win.pixelRatio || 2)
-    this._timers = {}
-    this._nodes = {}
-    this._token = 0
-    this.setData({ statusBarHeight: win.statusBarHeight || 20, navHeight })
-  },
-
-  onReady() {
-    wx.createSelectorQuery().in(this)
-      .select('#preview').fields({ node: true, size: true })
-      .select('#work').fields({ node: true })
-      .select('#security').fields({ node: true })
-      .exec((res) => {
-        this._nodes.preview = res[0] && res[0].node
-        this._previewCss = (res[0] && res[0].width) || 300
-        this._nodes.work = res[1] && res[1].node
-        this._nodes.security = res[2] && res[2].node
-        this.loadMpCode()
-        this.schedule(0)
-      })
-  },
-
-  onUnload() {
-    Object.keys(this._timers).forEach((k) => clearTimeout(this._timers[k]))
-    this.stopIntro()
-  },
-
-  onShow() {
-    this._hidden = false
-    if (this._nodes && this._nodes.preview) this.syncIntro()
-  },
-
-  onHide() {
-    this._hidden = true
-    this.pauseIntro()
-  },
-
-  onPageScroll(e) {
-    const solid = e.scrollTop > 40
-    if (solid !== this.data.navSolid) this.setData({ navSolid: solid })
-    // 演示区滚出屏幕后暂停动画，省电
-    const away = e.scrollTop > 650
-    if (away !== this._scrolledAway) {
-      this._scrolledAway = away
-      this.syncIntro()
-    }
-  },
-
-  // 分享的是小程序页面卡片，不携带用户内容
-  onShareAppMessage() {
-    return { title: '把一句话藏进拼豆里，微信一扫就能读出来', path: '/pages/index/index' }
-  },
-  onShareTimeline() {
-    return { title: '豆维 · 可扫码的拼豆图纸生成器' }
-  },
-
-  loadMpCode() {
-    if (!this._nodes.work) return
-    const image = this._nodes.work.createImage()
-    image.onload = () => { this._mpCode = image }
-    image.onerror = () => { this._mpCode = null }
-    image.src = '/assets/miniprogram-code.png'
-  },
-
-  debounce(key, fn, wait) {
-    clearTimeout(this._timers[key])
-    this._timers[key] = setTimeout(fn, wait)
-  },
-
-  noop() {},
-
-  openPrivacy() {
-    if (wx.openPrivacyContract) {
-      wx.openPrivacyContract({ fail: () => wx.showToast({ title: '请在微信内查看隐私保护指引', icon: 'none' }) })
-    }
-  },
-
-  showRules() {
-    wx.showModal({
-      title: '内容规范',
-      content: '二维码内容、水印和照片都会经过微信内容安全检测。请勿输入或上传违法违规、色情低俗、暴力恐怖、侵犯他人权益等内容；检测未通过或检测异常时无法生成与导出。如发现不良内容，可通过页面底部“投诉与反馈”告诉我们。',
-      showCancel: false,
-      confirmText: '我知道了',
-    })
-  },
-
-  // —— 生成管线 ——
-
-  schedule(wait = 120) {
-    this.debounce('run', () => this.run(), wait)
-  },
-
-  run() {
-    if (!this._nodes.preview || !this._nodes.work) return
-    // 没写内容、也没选照片：示例二维码没有意义，改为播放动态演示
-    if (!this.data.text.trim() && !this._source) {
-      this._token += 1
-      this.setData({
-        showIntro: true, generating: false, isSample: true, scanState: 'idle', usage: [], usageAll: [], usageMore: 0,
-      }, () => this.syncIntro())
-      return
-    }
-    this.stopIntro()
-    if (this.data.showIntro) this.setData({ showIntro: false })
-    const token = ++this._token
-    this.setData({ generating: true }, () => {
-      // 先让“生成中”状态渲染一帧，再做同步计算
-      setTimeout(() => {
-        if (token !== this._token) return
-        try {
-          this.compute()
-          this.afterCompute(token)
-        } catch (error) {
-          console.error('生成失败', error)
-          this.setData({ generating: false })
-          wx.showToast({ title: '内容太长或图片异常，请调整后重试', icon: 'none' })
-        }
-      }, 16)
-    })
-  },
-
-  compute() {
-    const d = this.data
-    const text = d.text.trim()
-    const qrKey = `${text}|${d.level}`
-    if (!this._qr || this._qrKey !== qrKey) {
-      this._qr = makeQr(text, d.level)
-      this._qrKey = qrKey
-    }
-    const src = this._source
-    const placement = createPlacement(this._qr.size, {
-      scale: d.qrScale, posX: d.posX, posY: d.posY, quiet: d.quiet, hasImage: Boolean(src),
-    })
-    let base = null
-    if (src) {
-      const c = src.crop
-      const baseKey = `${placement.size}|${c.focusX}|${c.focusY}|${c.zoom}|${c.flipH}|${c.flipV}|${d.removeBackground}|${d.bgTolerance}`
-      if (this._baseKey !== baseKey) {
-        const sampled = sampleImage(this._nodes.work, src.image, placement.size, c)
-        if (d.removeBackground) sampled.mask = removeSimpleBackground(sampled.rgb, placement.size, d.bgTolerance)
-        this._base = sampled
-        this._baseKey = baseKey
-      }
-      base = this._base
-    }
-    const pal = preparePalette(d.paletteId)
-    this._artwork = computeArtwork(base, this._qr, placement, pal, {
-      modeId: d.modeId, coherence: d.coherence, cleanup: d.cleanup,
-    })
-  },
-
-  afterCompute(token) {
-    const art = this._artwork
-    this.drawPreview()
-    const usageAll = art.usage.map((u) => ({ id: u.id, hex: u.hex, count: u.count }))
-    this.setData({
-      generating: false,
-      isSample: this._qr.isSample,
-      gridText: `${art.size}×${art.size}`,
-      beadsText: formatNumber(art.beads),
-      colorsText: String(art.usage.length),
-      qrGridText: `${this._qr.size}×${this._qr.size}`,
-      usage: usageAll.slice(0, 12),
-      usageAll: this.data.usageExpanded ? usageAll : [],
-      usageMore: Math.max(0, usageAll.length - 12),
-      scanState: 'checking',
-    })
-    this._usageAll = usageAll
-    // 扫码自检放到下一轮，避免阻塞预览出图
-    this.debounce('scan', () => {
-      if (token !== this._token) return
-      const expected = this.data.text.trim() || SAMPLE_TEXT
-      const result = selfCheck(art, expected)
-      if (token === this._token) this.setData({ scanState: result.ok ? 'ok' : 'fail' })
-    }, 60)
-  },
-
-  drawPreview() {
-    const node = this._nodes.preview
-    if (!node || !this._artwork) return
-    const px = Math.round(this._previewCss * this._dpr)
-    renderPreview(node, this._artwork, px, this.data.beadStyle)
-  },
-
-  // —— 动态演示 ——
-
-  syncIntro() {
-    const should = this.data.showIntro && !this._hidden && !this._scrolledAway && !this.data.cropVisible
-    if (should) this.startIntro()
-    else this.pauseIntro()
-  },
-
-  startIntro() {
-    if (this._introPlayer) return
-    const node = this._nodes.preview
-    if (!node || !this._nodes.work) return
-    if (!this._intro) {
-      try {
-        this._intro = createIntro({ workCanvas: this._nodes.work })
-      } catch (error) {
-        console.error('演示动画初始化失败', error)
-        return
-      }
-    }
-    const px = Math.round(this._previewCss * this._dpr)
-    node.width = px
-    node.height = px
-    const ctx = node.getContext('2d')
-    const raf = node.requestAnimationFrame ? (f) => node.requestAnimationFrame(f) : (f) => setTimeout(f, 16)
-    const caf = node.cancelAnimationFrame ? (id) => node.cancelAnimationFrame(id) : (id) => clearTimeout(id)
-    const player = { start: Date.now() - (this._introElapsed || 0), last: 0, id: 0, caf }
-    const tick = () => {
-      if (this._introPlayer !== player) return
-      const now = Date.now()
-      if (now - player.last >= 30) { // 约 30 帧/秒，流畅且省电
-        player.last = now
-        this._introElapsed = now - player.start
-        this._intro.draw(ctx, this._introElapsed / 1000, px)
-      }
-      player.id = raf(tick)
-    }
-    this._introPlayer = player
-    tick()
-  },
-
-  pauseIntro() {
-    const player = this._introPlayer
-    if (!player) return
-    this._introPlayer = null
-    player.caf(player.id)
-  },
-
-  stopIntro() {
-    this.pauseIntro()
-    this._introElapsed = 0
-  },
-
-  replayIntro() {
-    if (!this.data.showIntro) return
-    this.stopIntro()
-    this.syncIntro()
-  },
-
-  // 引导用户开始：滚到第 1 步并弹出键盘
-  startCreate() {
-    wx.pageScrollTo({
-      selector: '#step1',
-      offsetTop: -(this.data.statusBarHeight + this.data.navHeight + 12),
-      duration: 300,
-    })
-    setTimeout(() => this.setData({ textFocus: true }), 320)
-  },
-
-  onTextBlur() {
-    if (this.data.textFocus) this.setData({ textFocus: false })
-  },
-
-  // —— 1. 内容 ——
-
-  onTextInput(e) {
-    const text = e.detail.value
-    this.setData({ text, textStatus: text.trim() ? 'checking' : 'idle' })
-    this.schedule(220)
-    this.debounce('textCheck', () => this.verifyText(text), 650)
-  },
-
-  clearText() {
-    this.setData({ text: '', textStatus: 'idle' })
-    this.schedule(0)
-  },
-
-  verifyText(raw) {
-    const value = String(raw || '').trim()
-    if (!value) return
-    security.checkText(value, 2).then(({ status }) => {
-      if (this.data.text.trim() !== value) return
-      this.setData({ textStatus: status })
-      if (status === 'risky') wx.showToast({ title: security.MESSAGES.risky, icon: 'none' })
-    })
-  },
-
-  scanImport() {
-    wx.scanCode({
-      onlyFromCamera: false,
-      scanType: ['qrCode'],
-      success: (res) => {
-        const decoded = String(res.result || '').trim().slice(0, 120)
-        if (!decoded) { wx.showToast({ title: '二维码里没有内容', icon: 'none' }); return }
-        this.setData({ scanImportLoading: true })
-        // 扫码得到的内容同样先过内容安全检测，通过后才填入
-        security.checkText(decoded, 2).then(({ status }) => {
-          this.setData({ scanImportLoading: false })
-          if (status !== 'pass') { wx.showToast({ title: security.MESSAGES[status], icon: 'none' }); return }
-          this.setData({ text: decoded, textStatus: 'pass' })
-          this.schedule(0)
-          wx.showToast({ title: '已导入二维码内容', icon: 'none' })
-        })
-      },
-      fail: (err) => {
-        if (err && /cancel/i.test(err.errMsg || '')) return
-        wx.showToast({ title: '没有识别到二维码', icon: 'none' })
-      },
-    })
-  },
-
-  // —— 2. 照片 ——
-
-  loadImage(path, info) {
-    return new Promise((resolve, reject) => {
-      const image = this._nodes.work.createImage()
-      image.onload = () => {
-        if (info && info.width) { image._w = info.width; image._h = info.height }
-        resolve(image)
-      }
-      image.onerror = () => reject(new Error('IMAGE_LOAD_FAILED'))
-      image.src = path
-    })
-  },
-
-  chooseImage() {
-    wx.chooseMedia({
-      count: 1,
-      mediaType: ['image'],
-      sizeType: ['compressed'],
-      sourceType: ['album', 'camera'],
-      success: (res) => {
-        const file = res.tempFiles && res.tempFiles[0]
-        if (file && file.tempFilePath) this.prepareImage(file.tempFilePath)
-      },
-      fail: (err) => {
-        if (err && /cancel/i.test(err.errMsg || '')) return
-        wx.showToast({ title: '没有选到照片', icon: 'none' })
-      },
-    })
-  },
-
-  prepareImage(path) {
-    wx.showLoading({ title: '读取照片…', mask: true })
-    new Promise((resolve) => {
-      wx.getImageInfo({ src: path, success: resolve, fail: () => resolve(null) })
-    })
-      .then((info) => this.loadImage(path, info).then((image) => ({ image, info })))
-      .then(({ image }) => {
-        wx.hideLoading()
-        this._pending = { image, path }
-        // 选图后立即在后台做内容安全检测；同时打开构图编辑，检测通过后才能使用
-        this.startImageCheck(this._pending)
-        this.openCrop(true)
-      })
-      .catch(() => {
-        wx.hideLoading()
-        wx.showToast({ title: '照片读取失败，请换一张 JPG / PNG', icon: 'none' })
-      })
-  },
-
-  startImageCheck(pending) {
-    pending.status = 'checking'
-    this.setData({ cropCheck: 'checking' })
-    pending.check = security.checkImage(pending.path, pending.image, this._nodes.security).then(({ status }) => {
-      pending.status = status
-      if (this._pending === pending) {
-        this.setData({ cropCheck: status })
-        if (pending.applyWhenPassed && status === 'pass') this.applyCrop()
-        pending.applyWhenPassed = false
-      }
-      return status
-    })
-  },
-
-  retryImageCheck() {
-    if (this._pending) this.startImageCheck(this._pending)
-  },
-
-  editImage() {
-    if (!this._source) return
-    this._pending = { image: this._source.image, path: this._source.path, status: 'pass' }
-    this.setData({ cropCheck: 'pass' })
-    this.openCrop(false)
-  },
-
-  removeImage() {
-    this._source = null
-    this._base = null
-    this._baseKey = ''
-    this.setData({ hasImage: false, imageThumb: '', imageMeta: '', removeBackground: false })
-    this.schedule(0)
-  },
-
-  // —— 裁切编辑 ——
-
-  openCrop(isNew) {
-    const crop = !isNew && this._source ? this._source.crop : null
-    this.pauseIntro()
-    this.setData({
-      cropVisible: true,
-      draftFocusX: crop ? crop.focusX : 50,
-      draftFocusY: crop ? crop.focusY : 50,
-      draftZoom: crop ? Math.round(crop.zoom * 100) : 100,
-      draftFlipH: crop ? crop.flipH : false,
-      draftFlipV: crop ? crop.flipV : false,
-      draftRemoveBg: isNew ? false : this.data.removeBackground,
-      draftBgTolerance: isNew ? 22 : this.data.bgTolerance,
-    }, () => {
-      wx.createSelectorQuery().in(this)
-        .select('#crop').fields({ node: true, size: true })
-        .select('#crop').boundingClientRect()
-        .exec((res) => {
-          this._nodes.crop = res[0] && res[0].node
-          this._cropCss = (res[0] && res[0].width) || 300
-          this._cropRect = res[1] || { left: 0, top: 0 }
-          this.drawCrop()
-        })
-    })
-  },
-
-  drawCrop() {
-    const node = this._nodes.crop
-    const pending = this._pending
-    if (!node || !pending) return
-    node.width = CROP_SIZE
-    node.height = CROP_SIZE
-    const ctx = node.getContext('2d')
-    const d = this.data
-    ctx.imageSmoothingEnabled = true
-    drawCropped(ctx, pending.image, CROP_SIZE, CROP_SIZE, {
-      focusX: d.draftFocusX, focusY: d.draftFocusY, zoom: d.draftZoom / 100, flipH: d.draftFlipH, flipV: d.draftFlipV,
-    })
-    // 三分线，仅辅助构图
-    ctx.strokeStyle = 'rgba(255,255,255,0.5)'
-    ctx.lineWidth = 1.5
-    ctx.beginPath()
-    for (let i = 1; i < 3; i += 1) {
-      const p = Math.round(CROP_SIZE * i / 3) + 0.5
-      ctx.moveTo(p, 0); ctx.lineTo(p, CROP_SIZE)
-      ctx.moveTo(0, p); ctx.lineTo(CROP_SIZE, p)
-    }
-    ctx.stroke()
-  },
-
-  touchPoint(t) {
-    const rect = this._cropRect || { left: 0, top: 0 }
-    const x = t.clientX == null ? (t.pageX == null ? t.x : t.pageX) : t.clientX
-    const y = t.clientY == null ? (t.pageY == null ? t.y : t.pageY) : t.clientY
-    return { x: x - rect.left, y: y - rect.top }
-  },
-
-  touchDistance(touches) {
-    const a = this.touchPoint(touches[0])
-    const b = this.touchPoint(touches[1])
-    return Math.hypot(b.x - a.x, b.y - a.y)
-  },
-
-  onCropStart(e) {
-    const touches = e.touches || []
-    if (!touches[0]) return
-    if (touches.length >= 2) {
-      this._gesture = { type: 'pinch', distance: this.touchDistance(touches), zoom: this.data.draftZoom }
-      return
-    }
-    this._gesture = { type: 'drag', ...this.touchPoint(touches[0]), focusX: this.data.draftFocusX, focusY: this.data.draftFocusY }
-  },
-
-  onCropMove(e) {
-    const touches = e.touches || []
-    const g = this._gesture
-    const pending = this._pending
-    if (!touches[0] || !g || !pending) return
-    if (touches.length >= 2) {
-      if (g.type !== 'pinch') {
-        this._gesture = { type: 'pinch', distance: this.touchDistance(touches), zoom: this.data.draftZoom }
-        return
-      }
-      const zoom = Math.max(100, Math.min(400, Math.round(g.zoom * this.touchDistance(touches) / g.distance)))
-      this.setData({ draftZoom: zoom })
-      this.debounce('crop', () => this.drawCrop(), 16)
-      return
-    }
-    if (g.type !== 'drag') return
-    const p = this.touchPoint(touches[0])
-    const cssScale = CROP_SIZE / (this._cropCss || CROP_SIZE)
-    const src = getImageDimensions(pending.image)
-    const scale = Math.max(CROP_SIZE / src.width, CROP_SIZE / src.height) * (this.data.draftZoom / 100)
-    const w = src.width * scale
-    const h = src.height * scale
-    const clamp = (v) => Math.max(0, Math.min(100, v))
-    const dirX = this.data.draftFlipH ? -1 : 1
-    const dirY = this.data.draftFlipV ? -1 : 1
-    const fx = Math.abs(w - CROP_SIZE) < 0.01 ? g.focusX : clamp(g.focusX + dirX * ((p.x - g.x) * cssScale / (CROP_SIZE - w)) * 100)
-    const fy = Math.abs(h - CROP_SIZE) < 0.01 ? g.focusY : clamp(g.focusY + dirY * ((p.y - g.y) * cssScale / (CROP_SIZE - h)) * 100)
-    this.setData({ draftFocusX: fx, draftFocusY: fy })
-    this.debounce('crop', () => this.drawCrop(), 16)
-  },
-
-  onCropEnd() {
-    this._gesture = null
-    clearTimeout(this._timers.crop)
-    this.drawCrop()
-  },
-
-  onDraftZoom(e) {
-    this.setData({ draftZoom: Number(e.detail.value) })
-    this.debounce('crop', () => this.drawCrop(), 16)
-  },
-  resetCrop() { this.setData({ draftFocusX: 50, draftFocusY: 50, draftZoom: 100 }, () => this.drawCrop()) },
-  flipH() { this.setData({ draftFlipH: !this.data.draftFlipH }, () => this.drawCrop()) },
-  flipV() { this.setData({ draftFlipV: !this.data.draftFlipV }, () => this.drawCrop()) },
-  onDraftRemoveBg(e) { this.setData({ draftRemoveBg: e.detail.value }) },
-  onDraftBgTolerance(e) { this.setData({ draftBgTolerance: Number(e.detail.value) }) },
-
-  cancelCrop() {
-    if (this._pending) this._pending.applyWhenPassed = false
-    this.setData({ cropVisible: false }, () => this.syncIntro())
-  },
-
-  applyCrop() {
-    const pending = this._pending
-    if (!pending) return
-    if (pending.status === 'checking') {
-      // 检测未完成：记住用户意图，通过后自动应用
-      pending.applyWhenPassed = true
-      wx.showToast({ title: '正在做内容安全检测，通过后自动应用', icon: 'none' })
-      return
-    }
-    if (pending.status !== 'pass') {
-      wx.showToast({ title: security.MESSAGES[pending.status] || security.MESSAGES.error, icon: 'none' })
-      return
-    }
-    const d = this.data
-    const src = getImageDimensions(pending.image)
-    this._source = {
-      image: pending.image,
-      path: pending.path,
-      crop: { focusX: d.draftFocusX, focusY: d.draftFocusY, zoom: d.draftZoom / 100, flipH: d.draftFlipH, flipV: d.draftFlipV },
-    }
-    this._baseKey = ''
-    this.setData({
-      cropVisible: false,
-      hasImage: true,
-      imageThumb: pending.path,
-      imageMeta: `${src.width}×${src.height} · 已通过安全检测`,
-      removeBackground: d.draftRemoveBg,
-      bgTolerance: d.draftBgTolerance,
-      // 首次导入照片时，二维码默认铺满全图；用户可再缩小
-    })
-    this.schedule(0)
-  },
-
-  // —— 3. 效果 ——
-
-  onScaleChanging(e) { this.setData({ qrScale: Number(e.detail.value) }); this.schedule(160) },
-  onScaleChange(e) { this.setData({ qrScale: Number(e.detail.value) }); this.schedule(0) },
-  pickPosition(e) {
-    const { x, y } = e.currentTarget.dataset
-    this.setData({ posX: Number(x), posY: Number(y) })
-    this.schedule(0)
-  },
-  toggleFineTune() { this.setData({ fineTuneOpen: !this.data.fineTuneOpen }) },
-  onPosX(e) { this.setData({ posX: Number(e.detail.value) }); this.schedule(100) },
-  onPosY(e) { this.setData({ posY: Number(e.detail.value) }); this.schedule(100) },
-  pickMode(e) { this.setData({ modeId: e.currentTarget.dataset.id }); this.schedule(0) },
-  toggleAdvanced() { this.setData({ advancedOpen: !this.data.advancedOpen }) },
-  pickPalette(e) { this.setData({ paletteId: e.currentTarget.dataset.id }); this.schedule(0) },
-  onCoherence(e) { this.setData({ coherence: Number(e.detail.value) }); this.schedule(200) },
-  onCleanup(e) { this.setData({ cleanup: e.detail.value }); this.schedule(0) },
-  pickLevel(e) { this.setData({ level: e.currentTarget.dataset.id }); this.schedule(0) },
-  pickQuiet(e) { this.setData({ quiet: Number(e.currentTarget.dataset.id) }); this.schedule(0) },
-  onBgToggle(e) { this.setData({ removeBackground: e.detail.value }); this.schedule(0) },
-
-  applyScanFix() {
-    // 自检未通过时的一键修复：扫码优先 + 1 格白边 + H 级纠错
-    this.setData({ modeId: 'strict', quiet: Math.max(1, this.data.quiet), level: 'H' })
-    this.schedule(0)
-    wx.showToast({ title: '已切换为扫码优先', icon: 'none' })
-  },
-
-  toggleUsage() {
-    const expanded = !this.data.usageExpanded
-    this.setData({ usageExpanded: expanded, usageAll: expanded ? (this._usageAll || []) : [] })
-  },
-
-  // 生成当前预览图，用微信“识别图中二维码”实测
-  verifyScan() {
-    const node = this._nodes.preview
-    if (!node) return
-    wx.canvasToTempFilePath({
-      canvas: node,
-      fileType: 'png',
-      success: (res) => {
-        wx.previewImage({ urls: [res.tempFilePath], showmenu: true })
-        wx.showToast({ title: '长按图片，选择“识别图中二维码”', icon: 'none', duration: 2500 })
-      },
-      fail: () => wx.showToast({ title: '预览生成失败，请重试', icon: 'none' }),
-    })
-  },
-
-  // —— 导出 ——
-
-  openExport() {
-    if (!this.data.text.trim()) {
-      this.startCreate()
-      return
-    }
-    if (!this._artwork) return
-    if (this.data.textStatus === 'risky') {
-      wx.showToast({ title: security.MESSAGES.risky, icon: 'none' })
-      return
-    }
-    this.setData({ exportVisible: true, exportResult: null })
-  },
-  closeExport() {
-    if (this.data.exporting) return
-    this.setData({ exportVisible: false })
-  },
-  pickFormat(e) { this.setData({ exportFormat: e.currentTarget.dataset.id, exportResult: null }) },
-  pickLayout(e) { this.setData({ exportLayout: e.currentTarget.dataset.id, exportResult: null }) },
-  pickQuality(e) { this.setData({ exportQuality: e.currentTarget.dataset.id, exportResult: null }) },
-  pickBeadStyle(e) {
-    this.setData({ beadStyle: e.currentTarget.dataset.id, exportResult: null }, () => this.drawPreview())
-  },
-  onGridToggle(e) { this.setData({ gridEnabled: e.detail.value, exportResult: null }) },
-  pickInterval(e) { this.setData({ gridInterval: Number(e.currentTarget.dataset.id), exportResult: null }) },
-  pickGridColor(e) { this.setData({ gridColor: e.currentTarget.dataset.color, exportResult: null }) },
-  onWatermark(e) {
-    const watermark = e.detail.value
-    this.setData({ watermark, watermarkStatus: watermark.trim() ? 'checking' : 'idle', exportResult: null })
-    this.debounce('wmCheck', () => {
-      const value = watermark.trim()
-      if (!value) return
-      security.checkText(value, 1).then(({ status }) => {
-        if (this.data.watermark.trim() === value) this.setData({ watermarkStatus: status })
-      })
-    }, 650)
-  },
-
-  gridSettings() {
-    return { enabled: this.data.gridEnabled, interval: this.data.gridInterval, color: this.data.gridColor, opacity: 60 }
-  },
-
-  capture(fileType, quality) {
-    return new Promise((resolve, reject) => {
-      wx.canvasToTempFilePath({
-        canvas: this._nodes.work,
-        fileType,
-        quality,
-        success: (res) => resolve(res.tempFilePath),
-        fail: reject,
-      })
-    })
-  },
-
-  step(label) {
-    return new Promise((resolve) => this.setData({ exportStep: label }, () => setTimeout(resolve, 16)))
-  },
-
-  async startExport() {
-    if (this.data.exporting || !this._artwork) return
-    this.setData({ exporting: true, exportResult: null })
-    try {
-      // 平台合规：导出前再次确认所有用户文本均已通过内容安全检测（已通过的走缓存，无额外等待）
-      await this.step('内容安全校验…')
-      const check = await security.checkTexts([
-        { value: this.data.text, scene: 2 },
-        { value: this.data.watermark, scene: 1 },
-      ])
-      if (check.status !== 'pass') {
-        wx.showToast({ title: security.MESSAGES[check.status], icon: 'none' })
-        if (check.status === 'risky') this.setData({ textStatus: security.isTextPassed(this.data.text) ? 'pass' : 'risky' })
-        return
-      }
-      if (this._source && !this.data.hasImage) throw new Error('IMAGE_STATE')
-      this.cleanOldFiles()
-      if (this.data.exportFormat === 'png') await this.exportPng()
-      else await this.exportPdf()
-    } catch (error) {
-      console.error('导出失败', error)
-      wx.showToast({ title: '导出失败，请重试（可尝试“标准”清晰度）', icon: 'none' })
-    } finally {
-      this.setData({ exporting: false, exportStep: '' })
-    }
-  },
-
-  // 按清晰度求每格像素：高清长边约 4000px，标准约 2400px
-  pngCellSize() {
-    const size = this._artwork.size
-    const maxSide = this.data.exportQuality === 'hd' ? 4000 : 2400
-    let cell = Math.max(12, Math.min(72, Math.floor(maxSide / (size + 5))))
-    while (cell > 12) {
-      const L = patternPageLayout(size, cell)
-      if (Math.max(L.width, L.height) <= maxSide) break
-      cell -= 1
-    }
-    return cell
-  },
-
-  patternMeta() {
-    const art = this._artwork
-    return `${art.size}×${art.size} 格 · ${formatNumber(art.beads)} 颗 · ${art.usage.length} 色 · ${art.pal.label} · 扫码内容：${this.data.text.trim()}`
-  },
-
-  infoParams(width) {
-    return {
-      artwork: this._artwork,
-      width,
-      text: this.data.text.trim(),
-      paletteLabel: `${this._artwork.pal.label}（本作品用 ${this._artwork.usage.length} 色）`,
-      mpCode: this._mpCode || null,
-      thumbnail: true,
-    }
-  },
-
-  async exportPng() {
-    const node = this._nodes.work
-    const art = this._artwork
-    const cell = this.pngCellSize()
-    const L = patternPageLayout(art.size, cell)
-    const wm = this.data.watermark.trim()
-    const drawPattern = (ctx) => drawPatternPage(ctx, art, { cell, style: this.data.beadStyle, grid: this.gridSettings(), meta: this.patternMeta() })
-    const files = []
-    if (this.data.exportLayout === 'separate') {
-      await this.step('绘制图纸…')
-      node.width = L.width
-      node.height = L.height
-      const ctx = node.getContext('2d')
-      drawPattern(ctx)
-      drawWatermark(ctx, L.width, L.height, wm)
-      files.push({ name: '拼豆图纸', path: await this.capture('png') })
-      const info = buildInfoPages(this.infoParams(this.data.exportQuality === 'hd' ? 2000 : 1400))
-      for (let p = 0; p < info.pageCount; p += 1) {
-        await this.step(`绘制用豆清单 ${p + 1}/${info.pageCount}…`)
-        node.width = info.width
-        node.height = info.height
-        const c = node.getContext('2d')
-        info.draw(c, p)
-        drawWatermark(c, info.width, info.height, wm)
-        files.push({ name: info.pageCount > 1 ? `用豆清单 ${p + 1}` : '用豆清单', path: await this.capture('png') })
-      }
-    } else {
-      await this.step('绘制图纸与清单…')
-      const info = buildInfoPages(this.infoParams(L.width))
-      const gap = Math.round(L.width * 0.02)
-      const totalH = L.height + info.pageCount * (info.height + gap)
-      const scale = fitScale(L.width, totalH)
-      node.width = Math.round(L.width * scale)
-      node.height = Math.round(totalH * scale)
-      const ctx = node.getContext('2d')
-      ctx.fillStyle = '#e8e5de'
-      ctx.fillRect(0, 0, node.width, node.height)
-      ctx.scale(scale, scale)
-      drawPattern(ctx)
-      for (let p = 0; p < info.pageCount; p += 1) {
-        ctx.save()
-        ctx.translate(0, L.height + gap + p * (info.height + gap))
-        info.draw(ctx, p)
-        ctx.restore()
-      }
-      ctx.setTransform(1, 0, 0, 1, 0, 0)
-      drawWatermark(ctx, node.width, node.height, wm)
-      files.push({ name: '图纸 + 用豆清单', path: await this.capture('png') })
-    }
-    await this.step('保存到相册…')
-    const saved = await this.saveImages(files.map((f) => f.path))
-    this.setData({ exportResult: { kind: 'png', saved, files } })
-    if (saved) wx.showToast({ title: `${files.length} 张图片已保存`, icon: 'success' })
-  },
-
-  saveImages(paths) {
-    return paths.reduce((chain, path) => chain.then((ok) => (ok ? new Promise((resolve) => {
-      wx.saveImageToPhotosAlbum({
-        filePath: path,
-        success: () => resolve(true),
-        fail: (err) => {
-          if (err && /auth|deny/i.test(err.errMsg || '')) {
-            wx.showModal({
-              title: '需要相册权限',
-              content: '请允许保存到相册，才能把图纸存到手机里',
-              confirmText: '去设置',
-              success: (r) => { if (r.confirm) wx.openSetting() },
-            })
-          }
-          resolve(false)
-        },
-      })
-    }) : false)), Promise.resolve(true))
-  },
-
-  previewResult() {
-    const result = this.data.exportResult
-    if (!result) return
-    if (result.kind === 'png') {
-      wx.previewImage({ urls: result.files.map((f) => f.path), showmenu: true })
-    } else {
-      this.openPdf(result.files[0].path)
-    }
-  },
-
-  openResultFile(e) {
-    const file = this.data.exportResult.files[Number(e.currentTarget.dataset.index)]
-    if (!file) return
-    if (this.data.exportResult.kind === 'png') wx.previewImage({ urls: [file.path], showmenu: true })
-    else this.openPdf(file.path)
-  },
-
-  shareResultFile(e) {
-    const file = this.data.exportResult.files[Number(e.currentTarget.dataset.index)]
-    if (!file || !wx.shareFileMessage) {
-      wx.showToast({ title: '当前微信版本不支持，请先打开再转发', icon: 'none' })
-      return
-    }
-    wx.shareFileMessage({ filePath: file.path, fileName: file.fileName || `${file.name}.pdf` })
-  },
-
-  openPdf(path) {
-    wx.openDocument({ filePath: path, fileType: 'pdf', showMenu: true })
-  },
-
-  cleanOldFiles() {
-    try {
-      const fs = wx.getFileSystemManager()
-      fs.readdirSync(wx.env.USER_DATA_PATH)
-        .filter((name) => name.indexOf(FILE_PREFIX) === 0)
-        .forEach((name) => { try { fs.unlinkSync(`${wx.env.USER_DATA_PATH}/${name}`) } catch (e) { /* 忽略 */ } })
-    } catch (e) { /* 忽略 */ }
-  },
-
-  async canvasJpeg(width, height, draw, quality = 0.9) {
-    const node = this._nodes.work
-    node.width = width
-    node.height = height
-    const ctx = node.getContext('2d')
-    draw(ctx)
-    const path = await this.capture('jpg', quality)
-    return wx.getFileSystemManager().readFileSync(path)
-  },
-
-  // 页眉（中文）渲染为小图，矢量页面上方使用
-  async renderHeader(title, sub) {
-    const w = 1540
-    const h = 80
-    const data = await this.canvasJpeg(w, h, (ctx) => {
-      ctx.fillStyle = '#ffffff'
-      ctx.fillRect(0, 0, w, h)
-      ctx.fillStyle = '#16211f'
-      ctx.font = 'bold 34px sans-serif'
-      ctx.textBaseline = 'middle'
-      ctx.fillText(title, 0, 30)
-      ctx.fillStyle = '#6f7a76'
-      ctx.font = '22px sans-serif'
-      ctx.fillText(sub, 0, 64)
-      ctx.fillStyle = '#0f766e'
-      ctx.font = 'bold 24px sans-serif'
-      ctx.textAlign = 'right'
-      ctx.fillText('豆维 · 可扫码的拼豆', w, 30)
-    }, 0.92)
-    return { data, width: w, height: h }
-  },
-
-  // 水印转为 1-bit 蒙版，矢量页上以半透明平铺
-  watermarkMask(doc, text) {
-    const value = String(text || '').trim()
-    if (!value) return null
-    const node = this._nodes.work
-    const fontSize = 64
-    node.width = 16
-    node.height = 16
-    let ctx = node.getContext('2d')
-    ctx.font = `bold ${fontSize}px sans-serif`
-    const width = Math.min(2000, Math.ceil(ctx.measureText(value).width) + 16)
-    const height = Math.round(fontSize * 1.4)
-    node.width = width
-    node.height = height
-    ctx = node.getContext('2d')
-    ctx.clearRect(0, 0, width, height)
-    ctx.fillStyle = '#000000'
-    ctx.font = `bold ${fontSize}px sans-serif`
-    ctx.textBaseline = 'middle'
-    ctx.fillText(value, 8, height / 2)
-    const pixels = ctx.getImageData(0, 0, width, height).data
-    const rowBytes = Math.ceil(width / 8)
-    const bits = new Uint8Array(rowBytes * height).fill(0xff) // 1 = 不绘制
-    for (let y = 0; y < height; y += 1) {
-      for (let x = 0; x < width; x += 1) {
-        if (pixels[(y * width + x) * 4 + 3] > 110) bits[y * rowBytes + (x >> 3)] &= ~(0x80 >> (x & 7))
-      }
-    }
-    return { id: doc.addImageMask(bits, width, height), width, height }
-  },
-
-  async buildPatternPdf(doc) {
-    const art = this._artwork
-    const plan = planPatternPages(art.size)
-    const headers = []
-    for (let i = 0; i < plan.pages.length; i += 1) {
-      const page = plan.pages[i]
-      await this.step(`绘制图纸页 ${i + 1}/${plan.pages.length}…`)
-      const title = page.kind === 'overview'
-        ? (plan.tiled ? `图纸总览 · 共分 ${plan.pages.length - 1} 块` : '拼豆图纸')
-        : `第 ${page.tile} 块 · 列 ${page.region.col + 1}–${page.region.col + page.region.cols} · 行 ${page.region.row + 1}–${page.region.row + page.region.rows}`
-      const sub = page.kind === 'overview'
-        ? `${art.size}×${art.size} 格 · ${formatNumber(art.beads)} 颗 · ${art.usage.length} 色 · ${plan.tiled ? '红框编号对应后续分块页，按块拼更轻松' : '格内为 MARD 色号'}`
-        : `第 ${i + 1} / ${plan.pages.length} 页 · 格内为 MARD 色号 · 坐标为整张作品的行列号`
-      const header = await this.renderHeader(title, sub)
-      headers.push({ id: doc.addJpeg(header.data, header.width, header.height), width: header.width, height: header.height })
-    }
-    const watermark = this.watermarkMask(doc, this.data.watermark)
-    addPatternPages(doc, art, { plan, headers, style: this.data.beadStyle, grid: this.gridSettings(), watermark })
-  },
-
-  async buildInfoPdf(doc) {
-    const info = buildInfoPages(this.infoParams(1654))
-    for (let p = 0; p < info.pageCount; p += 1) {
-      await this.step(`绘制用豆清单 ${p + 1}/${info.pageCount}…`)
-      const data = await this.canvasJpeg(info.width, info.height, (ctx) => {
-        info.draw(ctx, p)
-        drawWatermark(ctx, info.width, info.height, this.data.watermark)
-      }, 0.9)
-      addImagePage(doc, doc.addJpeg(data, info.width, info.height), info.width, info.height)
-    }
-  },
-
-  async exportPdf() {
-    const fs = wx.getFileSystemManager()
-    const stamp = Date.now().toString(36)
-    const art = this._artwork
-    const base = `${FILE_PREFIX}${art.size}x${art.size}-${stamp}`
-    const files = []
-    const write = (doc, suffix, name) => {
-      const fileName = `豆维-${name}.pdf`
-      const path = `${wx.env.USER_DATA_PATH}/${base}-${suffix}.pdf`
-      fs.writeFileSync(path, doc.build(), 'binary')
-      files.push({ name, fileName, path })
-    }
-    if (this.data.exportLayout === 'separate') {
-      const patternDoc = new PdfDoc()
-      await this.buildPatternPdf(patternDoc)
-      write(patternDoc, 'pattern', '拼豆图纸')
-      const infoDoc = new PdfDoc()
-      await this.buildInfoPdf(infoDoc)
-      write(infoDoc, 'info', '用豆清单')
-    } else {
-      const doc = new PdfDoc()
-      await this.buildPatternPdf(doc)
-      await this.buildInfoPdf(doc)
-      write(doc, 'all', '图纸与用豆清单')
-    }
-    this.setData({ exportResult: { kind: 'pdf', saved: true, files } })
-  },
-})

BeadQR/miniprogram/pages/index/index.json

@@ -1,6 +0,0 @@
-{
-  "navigationStyle": "custom",
-  "navigationBarTextStyle": "white",
-  "backgroundColorTop": "#0f3d3a",
-  "usingComponents": {}
-}

BeadQR/miniprogram/pages/index/index.wxml

@@ -1,403 +0,0 @@
-<!-- 自定义导航栏 -->
-<view class="nav {{navSolid ? 'nav-solid' : ''}}" style="padding-top: {{statusBarHeight}}px; height: {{navHeight}}px;">
-  <view class="nav-title">
-    <image class="nav-logo" src="/assets/icon.png" mode="aspectFill" />
-    <text>豆维 · 可扫码的拼豆</text>
-  </view>
-</view>
-
-<view class="page" style="padding-top: {{statusBarHeight + navHeight}}px;">
-  <!-- 首屏：一句话说清楚是做什么的 -->
-  <view class="hero">
-    <view class="hero-badge">MARD 拼豆图纸生成器</view>
-    <view class="hero-title">把一句话藏进拼豆里</view>
-    <view class="hero-sub">拼好的作品用微信一扫，就能读出你写的文字或链接</view>
-    <view class="hero-steps">
-      <view class="hero-step"><text class="num">1</text>写一句话</view>
-      <text class="hero-arrow">›</text>
-      <view class="hero-step"><text class="num">2</text>选张照片</view>
-      <text class="hero-arrow">›</text>
-      <view class="hero-step"><text class="num">3</text>导出图纸</view>
-    </view>
-  </view>
-
-  <!-- 实时预览：无内容时播放动态演示 -->
-  <view class="card preview-card">
-    <view class="preview-box" bindtap="replayIntro">
-      <canvas id="preview" type="2d" class="preview-canvas"></canvas>
-      <view wx:if="{{isSample && !showIntro}}" class="sample-tag">示例二维码 · 写下内容后换成你的</view>
-      <view wx:if="{{generating}}" class="generating"><view class="spinner"></view></view>
-    </view>
-
-    <block wx:if="{{showIntro}}">
-      <view class="intro-tip">
-        <view class="intro-dot"></view>
-        <text>上面是演示：写下一句话，这里就会变成你专属的可扫码图纸</text>
-      </view>
-      <view class="stats features">
-        <view class="stat"><view class="stat-v">221 色</view><view class="stat-k">MARD 标准色号</view></view>
-        <view class="stat"><view class="stat-v">A4</view><view class="stat-k">打印图纸</view></view>
-        <view class="stat"><view class="stat-v">扫一扫</view><view class="stat-k">微信直接读出</view></view>
-      </view>
-      <view class="preview-actions">
-        <view class="cta-btn" bindtap="startCreate">开始制作 · 写下第一句话</view>
-      </view>
-    </block>
-
-    <block wx:else>
-      <view class="scan-row">
-        <view class="scan-badge scan-{{isSample ? 'idle' : scanState}}">
-          <text wx:if="{{isSample}}">写下内容后，自动检查能否扫出</text>
-          <text wx:elif="{{scanState === 'checking'}}">正在检查能否扫出…</text>
-          <text wx:elif="{{scanState === 'ok'}}">✓ 自检通过，可以扫出内容</text>
-          <text wx:elif="{{scanState === 'fail'}}">! 自检未扫出，建议优化</text>
-          <text wx:else>生成后自动检查能否扫码</text>
-        </view>
-        <view wx:if="{{!isSample && scanState === 'fail'}}" class="mini-btn accent" bindtap="applyScanFix">一键优化</view>
-      </view>
-
-      <view class="stats">
-        <view class="stat"><view class="stat-v">{{gridText}}</view><view class="stat-k">格子</view></view>
-        <view class="stat"><view class="stat-v">{{beadsText}}</view><view class="stat-k">颗豆子</view></view>
-        <view class="stat"><view class="stat-v">{{colorsText}}</view><view class="stat-k">种颜色</view></view>
-      </view>
-
-      <view class="preview-actions">
-        <view wx:if="{{isSample}}" class="cta-btn" bindtap="startCreate">写下内容，生成你的二维码</view>
-        <view wx:else class="ghost-btn" bindtap="verifyScan">用微信扫一扫验证</view>
-      </view>
-    </block>
-  </view>
-
-  <!-- 第 1 步：内容 -->
-  <view class="card step" id="step1">
-    <view class="step-head">
-      <view class="step-num">1</view>
-      <view>
-        <view class="step-title">扫码后要看到什么？</view>
-        <view class="step-desc">一句祝福、一个网址，或者你的名字</view>
-      </view>
-    </view>
-    <view class="input-wrap {{textStatus === 'risky' ? 'input-bad' : ''}}">
-      <textarea class="textarea" value="{{text}}" maxlength="300" auto-height placeholder="Happy Birthday!" placeholder-class="ph" focus="{{textFocus}}" bindinput="onTextInput" bindblur="onTextBlur" />
-      <view class="input-foot">
-        <view class="text-status status-{{textStatus}}">
-          <text wx:if="{{textStatus === 'checking'}}">内容安全检测中…</text>
-          <text wx:elif="{{textStatus === 'pass'}}">✓ 已通过内容安全检测</text>
-          <text wx:elif="{{textStatus === 'risky'}}">内容可能不合规，请修改</text>
-          <text wx:elif="{{textStatus === 'error'}}">检测暂不可用，请稍后重试</text>
-          <text wx:else>{{text.length}}/300</text>
-        </view>
-        <view class="input-tools">
-          <text wx:if="{{text}}" class="tool" bindtap="clearText">清空</text>
-          <text class="tool tool-brand" bindtap="scanImport">{{scanImportLoading ? '识别中…' : '扫码导入'}}</text>
-        </view>
-      </view>
-    </view>
-    <view class="tip">字越少，格子越少，拼起来越快</view>
-  </view>
-
-  <!-- 第 2 步：照片 -->
-  <view class="card step">
-    <view class="step-head">
-      <view class="step-num">2</view>
-      <view>
-        <view class="step-title">选一张照片当底图 <text class="optional">可选</text></view>
-        <view class="step-desc">二维码会融进照片里，不选就是纯二维码</view>
-      </view>
-    </view>
-    <view wx:if="{{!hasImage}}" class="upload" bindtap="chooseImage">
-      <view class="upload-icon">＋</view>
-      <view class="upload-text">从相册选择或拍照</view>
-      <view class="upload-hint">照片仅在手机上处理，会先经过微信内容安全检测</view>
-    </view>
-    <view wx:else class="photo">
-      <image class="photo-thumb" src="{{imageThumb}}" mode="aspectFill" />
-      <view class="photo-info">
-        <view class="photo-meta">{{imageMeta}}</view>
-        <view class="photo-actions">
-          <view class="mini-btn" bindtap="editImage">调整</view>
-          <view class="mini-btn" bindtap="chooseImage">换一张</view>
-          <view class="mini-btn danger" bindtap="removeImage">移除</view>
-        </view>
-      </view>
-    </view>
-    <view wx:if="{{hasImage}}" class="row">
-      <view class="row-label">去掉纯色背景</view>
-      <switch checked="{{removeBackground}}" color="#0f766e" bindchange="onBgToggle" />
-    </view>
-  </view>
-
-  <!-- 第 3 步：效果 -->
-  <view class="card step">
-    <view class="step-head">
-      <view class="step-num">3</view>
-      <view>
-        <view class="step-title">调整效果</view>
-        <view class="step-desc">默认设置已经很好用，想要更好看再微调</view>
-      </view>
-    </view>
-
-    <view class="field-label">风格</view>
-    <view class="seg">
-      <view wx:for="{{matchModes}}" wx:key="id" class="seg-item {{modeId === item.id ? 'on' : ''}}" data-id="{{item.id}}" bindtap="pickMode">
-        <view class="seg-main">{{item.label}}</view>
-        <view class="seg-sub">{{item.hint}}</view>
-      </view>
-    </view>
-
-    <block wx:if="{{hasImage}}">
-      <view class="field-label">二维码大小 <text class="field-val">{{qrScale}}%</text></view>
-      <slider min="30" max="100" step="1" value="{{qrScale}}" activeColor="#0f766e" block-size="22" bindchanging="onScaleChanging" bindchange="onScaleChange" />
-      <block wx:if="{{qrScale < 100}}">
-        <view class="field-label">二维码位置 <text class="link-text" bindtap="toggleFineTune">{{fineTuneOpen ? '收起微调' : '微调'}}</text></view>
-        <view class="pos-grid">
-          <block wx:for="{{positions}}" wx:for-item="py" wx:key="*this">
-            <view wx:for="{{positions}}" wx:for-item="px" wx:key="*this" class="pos-cell {{posX === px && posY === py ? 'on' : ''}}" data-x="{{px}}" data-y="{{py}}" bindtap="pickPosition"></view>
-          </block>
-        </view>
-        <block wx:if="{{fineTuneOpen}}">
-          <view class="mini-label">左右 {{posX}}%</view>
-          <slider min="0" max="100" value="{{posX}}" activeColor="#0f766e" block-size="20" bindchanging="onPosX" bindchange="onPosX" />
-          <view class="mini-label">上下 {{posY}}%</view>
-          <slider min="0" max="100" value="{{posY}}" activeColor="#0f766e" block-size="20" bindchanging="onPosY" bindchange="onPosY" />
-        </block>
-      </block>
-    </block>
-
-    <view class="advanced-toggle" bindtap="toggleAdvanced">
-      <text>高级设置（色板、纠错、白边）</text>
-      <text class="chev {{advancedOpen ? 'open' : ''}}">›</text>
-    </view>
-    <view wx:if="{{advancedOpen}}" class="advanced">
-      <view class="field-label">色板 <text class="field-hint">颜色越少，买豆越省</text></view>
-      <scroll-view scroll-x class="chips-scroll" enhanced show-scrollbar="{{false}}">
-        <view class="chips">
-          <view wx:for="{{presets}}" wx:key="id" class="chip {{paletteId === item.id ? 'on' : ''}}" data-id="{{item.id}}" bindtap="pickPalette">
-            <view class="chip-main">{{item.short}}</view>
-            <view class="chip-sub">{{item.detail}}</view>
-          </view>
-        </view>
-      </scroll-view>
-
-      <view class="field-label">色块平滑 <text class="field-val">{{coherence}}</text></view>
-      <slider min="0" max="100" step="5" value="{{coherence}}" activeColor="#0f766e" block-size="20" bindchange="onCoherence" />
-
-      <view class="row">
-        <view>
-          <view class="row-label">合并零散颜色</view>
-          <view class="row-hint">把只用到一两颗的颜色换成相近色</view>
-        </view>
-        <switch checked="{{cleanup}}" color="#0f766e" bindchange="onCleanup" />
-      </view>
-
-      <view class="field-label">纠错等级 <text class="field-hint">等级越高越耐磨损，但格子更多</text></view>
-      <view class="seg">
-        <view wx:for="{{levels}}" wx:key="id" class="seg-item {{level === item.id ? 'on' : ''}}" data-id="{{item.id}}" bindtap="pickLevel">
-          <view class="seg-main">{{item.label}}</view>
-          <view class="seg-sub">{{item.hint}}</view>
-        </view>
-      </view>
-
-      <view class="field-label">白边 <text class="field-hint">留 1 格白边更容易扫出</text></view>
-      <view class="seg">
-        <view wx:for="{{quietOptions}}" wx:key="id" class="seg-item {{quiet === item.id ? 'on' : ''}}" data-id="{{item.id}}" bindtap="pickQuiet">
-          <view class="seg-main">{{item.label}}</view>
-        </view>
-      </view>
-      <view wx:if="{{qrGridText}}" class="tip">二维码本体 {{qrGridText}} 格</view>
-    </view>
-  </view>
-
-  <!-- 用豆清单 -->
-  <view class="card" wx:if="{{usage.length && !showIntro}}">
-    <view class="card-title">需要准备的豆子 <text class="field-hint">MARD 色号 · 按用量排序</text></view>
-    <view class="usage">
-      <view wx:for="{{usageExpanded ? usageAll : usage}}" wx:key="id" class="usage-item">
-        <view class="swatch" style="background: {{item.hex}};"></view>
-        <view class="usage-id">{{item.id}}</view>
-        <view class="usage-count">{{item.count}}</view>
-      </view>
-    </view>
-    <view wx:if="{{usageMore > 0}}" class="link-text center" bindtap="toggleUsage">{{usageExpanded ? '收起' : '展开全部（还有 ' + usageMore + ' 种）'}}</view>
-  </view>
-
-  <!-- 页脚：内容规范 / 投诉反馈 / 隐私 -->
-  <view class="footer">
-    <view class="footer-safe"><image class="footer-shield" src="/assets/shield.svg" mode="aspectFit" /><text>文字、水印与照片均经过微信内容安全检测，未通过或检测异常时不能生成与导出</text></view>
-    <view class="footer-links">
-      <text class="footer-link" bindtap="showRules">内容规范</text>
-      <text class="dot">·</text>
-      <button class="footer-link footer-btn" open-type="feedback">投诉与反馈</button>
-      <text class="dot">·</text>
-      <text class="footer-link" bindtap="openPrivacy">隐私保护指引</text>
-    </view>
-    <view class="footer-copy">豆维 · 可扫码的拼豆</view>
-  </view>
-</view>
-
-<!-- 底部操作栏 -->
-<view class="bottom-bar">
-  <view class="bar-info">
-    <block wx:if="{{isSample}}">
-      <view class="bar-main">还没有内容</view>
-      <view class="bar-sub">写一句话，马上生成图纸</view>
-    </block>
-    <block wx:else>
-      <view class="bar-main">{{gridText}} · {{colorsText}} 色</view>
-      <view class="bar-sub">约 {{beadsText}} 颗豆子</view>
-    </block>
-  </view>
-  <view class="primary-btn {{!isSample && textStatus === 'risky' ? 'disabled' : ''}}" bindtap="openExport">{{isSample ? '开始制作' : '导出图纸'}}</view>
-</view>
-
-<!-- 导出面板 -->
-<view wx:if="{{exportVisible}}" class="mask" bindtap="closeExport" catchtouchmove="noop">
-  <view class="sheet" catchtap="noop">
-    <view class="sheet-handle"></view>
-    <view class="sheet-title">导出图纸</view>
-
-    <scroll-view scroll-y class="sheet-body">
-      <view class="field-label">格式</view>
-      <view class="seg">
-        <view class="seg-item {{exportFormat === 'pdf' ? 'on' : ''}}" data-id="pdf" bindtap="pickFormat">
-          <view class="seg-main">PDF 文件</view><view class="seg-sub">A4 打印，大图自动分页</view>
-        </view>
-        <view class="seg-item {{exportFormat === 'png' ? 'on' : ''}}" data-id="png" bindtap="pickFormat">
-          <view class="seg-main">图片</view><view class="seg-sub">存到相册，手机上看</view>
-        </view>
-      </view>
-
-      <view class="field-label">内容</view>
-      <view class="seg">
-        <view class="seg-item {{exportLayout === 'combined' ? 'on' : ''}}" data-id="combined" bindtap="pickLayout">
-          <view class="seg-main">合并一份</view><view class="seg-sub">图纸 + 用豆清单</view>
-        </view>
-        <view class="seg-item {{exportLayout === 'separate' ? 'on' : ''}}" data-id="separate" bindtap="pickLayout">
-          <view class="seg-main">分开两份</view><view class="seg-sub">图纸、清单各一份</view>
-        </view>
-      </view>
-
-      <block wx:if="{{exportFormat === 'png'}}">
-        <view class="field-label">清晰度</view>
-        <view class="seg">
-          <view class="seg-item {{exportQuality === 'hd' ? 'on' : ''}}" data-id="hd" bindtap="pickQuality"><view class="seg-main">高清</view></view>
-          <view class="seg-item {{exportQuality === 'std' ? 'on' : ''}}" data-id="std" bindtap="pickQuality"><view class="seg-main">标准</view></view>
-        </view>
-      </block>
-
-      <view class="field-label">豆子样式</view>
-      <view class="seg">
-        <view wx:for="{{beadStyles}}" wx:key="id" class="seg-item {{beadStyle === item.id ? 'on' : ''}}" data-id="{{item.id}}" bindtap="pickBeadStyle">
-          <view class="seg-main">{{item.label}}</view>
-        </view>
-      </view>
-
-      <view class="row">
-        <view class="row-label">辅助网格线</view>
-        <switch checked="{{gridEnabled}}" color="#0f766e" bindchange="onGridToggle" />
-      </view>
-      <block wx:if="{{gridEnabled}}">
-        <view class="grid-opts">
-          <view class="seg small">
-            <view class="seg-item {{gridInterval === 5 ? 'on' : ''}}" data-id="5" bindtap="pickInterval"><view class="seg-main">每 5 格</view></view>
-            <view class="seg-item {{gridInterval === 10 ? 'on' : ''}}" data-id="10" bindtap="pickInterval"><view class="seg-main">每 10 格</view></view>
-          </view>
-          <view class="colors">
-            <view wx:for="{{gridColors}}" wx:key="*this" class="color-dot {{gridColor === item ? 'on' : ''}}" style="background: {{item}};" data-color="{{item}}" bindtap="pickGridColor"></view>
-          </view>
-        </view>
-      </block>
-
-      <view class="field-label">水印 <text class="field-hint">可选，防止图纸被盗用</text></view>
-      <view class="input-wrap {{watermarkStatus === 'risky' ? 'input-bad' : ''}}">
-        <input class="input" value="{{watermark}}" maxlength="20" placeholder="例如：@我的小店" placeholder-class="ph" bindinput="onWatermark" />
-      </view>
-      <view wx:if="{{watermarkStatus !== 'idle'}}" class="text-status status-{{watermarkStatus}} pad">
-        <text wx:if="{{watermarkStatus === 'checking'}}">内容安全检测中…</text>
-        <text wx:elif="{{watermarkStatus === 'pass'}}">✓ 已通过内容安全检测</text>
-        <text wx:elif="{{watermarkStatus === 'risky'}}">水印内容可能不合规，请修改</text>
-        <text wx:else>检测暂不可用，请稍后重试</text>
-      </view>
-
-      <view wx:if="{{exportResult}}" class="result">
-        <view class="result-head">
-          <view class="result-icon {{exportResult.kind === 'png' && !exportResult.saved ? 'warn' : ''}}">
-            <view class="result-tick"></view>
-          </view>
-          <view class="result-text">
-            <view class="result-title">{{exportResult.kind === 'png' && !exportResult.saved ? '已生成，但未存入相册' : '导出完成'}}</view>
-            <view class="result-sub" wx:if="{{exportResult.kind === 'pdf'}}">共 {{exportResult.files.length}} 份 PDF，可直接打印或发给好友</view>
-            <view class="result-sub" wx:elif="{{exportResult.saved}}">{{exportResult.files.length}} 张图片已保存到手机相册</view>
-            <view class="result-sub" wx:else>点「查看」后长按图片即可保存</view>
-          </view>
-        </view>
-        <view class="result-list">
-          <view wx:for="{{exportResult.files}}" wx:key="path" class="result-file">
-            <view class="file-badge {{exportResult.kind}}">{{exportResult.kind === 'pdf' ? 'PDF' : 'PNG'}}</view>
-            <view class="file-info">
-              <view class="file-name">{{item.name}}</view>
-              <view class="file-desc">{{exportResult.kind === 'pdf' ? 'A4 · 可打印' : '高清图片'}}</view>
-            </view>
-            <view class="file-actions">
-              <view class="file-btn" data-index="{{index}}" bindtap="openResultFile">{{exportResult.kind === 'png' ? '查看' : '打开'}}</view>
-              <view wx:if="{{exportResult.kind === 'pdf'}}" class="file-btn primary" data-index="{{index}}" bindtap="shareResultFile">发送</view>
-            </view>
-          </view>
-        </view>
-      </view>
-    </scroll-view>
-
-    <view class="primary-btn block {{exporting ? 'disabled' : ''}}" bindtap="startExport">
-      {{exporting ? (exportStep || '正在导出…') : (exportResult ? '重新导出' : '开始导出')}}
-    </view>
-  </view>
-</view>
-
-<!-- 照片裁切 -->
-<view wx:if="{{cropVisible}}" class="mask crop-mask" catchtouchmove="noop">
-  <view class="crop-panel">
-    <view class="crop-head">
-      <text class="crop-cancel" bindtap="cancelCrop">取消</text>
-      <text class="crop-title">调整照片</text>
-      <text class="crop-ok {{cropCheck === 'pass' ? '' : 'wait'}}" bindtap="applyCrop">完成</text>
-    </view>
-    <view class="crop-box">
-      <canvas id="crop" type="2d" class="crop-canvas" bindtouchstart="onCropStart" bindtouchmove="onCropMove" bindtouchend="onCropEnd" bindtouchcancel="onCropEnd"></canvas>
-    </view>
-    <view class="crop-check check-{{cropCheck}}">
-      <text wx:if="{{cropCheck === 'checking'}}">正在进行内容安全检测，你可以先调整构图…</text>
-      <text wx:elif="{{cropCheck === 'pass'}}">✓ 照片已通过内容安全检测</text>
-      <block wx:elif="{{cropCheck === 'risky'}}"><text>这张照片未通过内容安全检测，请换一张</text></block>
-      <block wx:elif="{{cropCheck === 'error'}}"><text>检测暂时不可用 </text><text class="link-text" bindtap="retryImageCheck">重试</text></block>
-    </view>
-    <view class="crop-hint">单指拖动调整位置，双指缩放</view>
-    <view class="field-label light">缩放 <text class="field-val">{{draftZoom}}%</text></view>
-    <slider min="100" max="400" value="{{draftZoom}}" activeColor="#14b8a6" backgroundColor="rgba(255,255,255,0.2)" block-size="20" bindchanging="onDraftZoom" bindchange="onDraftZoom" />
-    <view class="crop-tools">
-      <view class="crop-tool" bindtap="flipH">左右翻转</view>
-      <view class="crop-tool" bindtap="flipV">上下翻转</view>
-      <view class="crop-tool" bindtap="resetCrop">复位</view>
-    </view>
-    <view class="row light">
-      <view>
-        <view class="row-label">去掉纯色背景</view>
-        <view class="row-hint">适合白底、纯色底的照片</view>
-      </view>
-      <switch checked="{{draftRemoveBg}}" color="#14b8a6" bindchange="onDraftRemoveBg" />
-    </view>
-    <block wx:if="{{draftRemoveBg}}">
-      <view class="mini-label light">识别范围 {{draftBgTolerance}}</view>
-      <slider min="6" max="60" value="{{draftBgTolerance}}" activeColor="#14b8a6" backgroundColor="rgba(255,255,255,0.2)" block-size="18" bindchange="onDraftBgTolerance" />
-    </block>
-    <view wx:if="{{cropCheck === 'risky'}}" class="crop-replace"><view class="primary-btn block" bindtap="chooseImage">换一张照片</view></view>
-  </view>
-</view>
-
-<!-- 离屏工作画布 -->
-<view class="offscreen">
-  <canvas id="work" type="2d" class="off-canvas"></canvas>
-  <canvas id="security" type="2d" class="off-canvas"></canvas>
-</view>
-
-<privacy-popup />

BeadQR/miniprogram/pages/index/index.wxss

@@ -1,828 +0,0 @@
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-}
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-.page {
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-/* 首屏 */
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-/* 动态演示状态 */
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-/* 步骤卡 */
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-/* 用豆清单 */
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-/* 页脚 */
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-  width: 30rpx;
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-  margin-top: 3rpx;
-}
-.footer-links .footer-btn {
-  display: inline-block;
-  width: auto !important;
-  min-height: 0;
-  padding: 0 !important;
-  margin: 0 !important;
-  font-size: 23rpx;
-  font-weight: 400;
-  line-height: 1.6;
-  color: var(--brand);
-  background: none;
-}
-.dot { color: #c4c7c3; font-size: 22rpx; }
-.footer-copy { margin-top: 12rpx; font-size: 20rpx; color: #b5b8b4; }
-
-/* 底部操作栏 */
-.bottom-bar {
-  position: fixed;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  z-index: 40;
-  display: flex;
-  align-items: center;
-  gap: 24rpx;
-  padding: 20rpx 32rpx calc(20rpx + env(safe-area-inset-bottom));
-  background: rgba(255, 255, 255, 0.96);
-  box-shadow: 0 -6rpx 30rpx rgba(22, 33, 31, 0.08);
-}
-.bar-info { flex: 1; min-width: 0; }
-.bar-main { font-size: 30rpx; font-weight: 800; color: var(--ink); }
-.bar-sub { margin-top: 2rpx; font-size: 22rpx; color: var(--muted); }
-.primary-btn {
-  text-align: center;
-  padding: 0 56rpx;
-  height: 92rpx;
-  line-height: 92rpx;
-  border-radius: 999rpx;
-  background: linear-gradient(135deg, var(--brand), var(--brand-2));
-  color: #fff;
-  font-size: 30rpx;
-  font-weight: 700;
-  box-shadow: 0 10rpx 24rpx rgba(15, 118, 110, 0.3);
-}
-.primary-btn.disabled { opacity: 0.5; box-shadow: none; }
-.primary-btn.block { display: block; width: 100%; padding: 0; }
-
-/* 弹层 */
-.mask {
-  position: fixed;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  z-index: 100;
-  background: rgba(10, 20, 18, 0.5);
-  display: flex;
-  align-items: flex-end;
-}
-.sheet {
-  width: 100%;
-  max-height: 88vh;
-  display: flex;
-  flex-direction: column;
-  background: var(--card);
-  border-radius: 36rpx 36rpx 0 0;
-  padding: 16rpx 32rpx calc(24rpx + env(safe-area-inset-bottom));
-  box-sizing: border-box;
-}
-.sheet-handle {
-  margin: 0 auto 16rpx;
-  width: 72rpx;
-  height: 8rpx;
-  border-radius: 8rpx;
-  background: #e2e2dd;
-}
-.sheet-title {
-  font-size: 34rpx;
-  font-weight: 800;
-  color: var(--ink);
-  margin-bottom: 20rpx;
-}
-.sheet-body {
-  flex: 1;
-  max-height: 62vh;
-  margin-bottom: 24rpx;
-}
-.grid-opts {
-  margin-top: 16rpx;
-  display: flex;
-  align-items: center;
-  gap: 24rpx;
-}
-.grid-opts .seg { flex: 1; }
-.colors { display: flex; gap: 14rpx; }
-.color-dot {
-  width: 44rpx;
-  height: 44rpx;
-  border-radius: 50%;
-  border: 4rpx solid #fff;
-  box-shadow: 0 0 0 2rpx var(--line);
-}
-.color-dot.on { box-shadow: 0 0 0 4rpx var(--brand); }
-
-.result {
-  margin-top: 32rpx;
-  border-radius: 24rpx;
-  background: #fff;
-  border: 2rpx solid var(--line);
-  overflow: hidden;
-}
-.result-head {
-  display: flex;
-  align-items: center;
-  gap: 20rpx;
-  padding: 28rpx;
-  background: linear-gradient(135deg, var(--ok-soft), #ffffff);
-}
-.result-icon {
-  flex-shrink: 0;
-  width: 64rpx;
-  height: 64rpx;
-  border-radius: 50%;
-  background: var(--ok);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  box-shadow: 0 8rpx 18rpx rgba(21, 128, 61, 0.25);
-}
-.result-icon.warn { background: var(--warn); box-shadow: none; }
-.result-tick {
-  width: 16rpx;
-  height: 28rpx;
-  margin-top: -6rpx;
-  border-right: 5rpx solid #fff;
-  border-bottom: 5rpx solid #fff;
-  transform: rotate(45deg);
-}
-.result-text { flex: 1; min-width: 0; }
-.result-title { font-size: 30rpx; font-weight: 800; color: var(--ink); }
-.result-sub { margin-top: 6rpx; font-size: 23rpx; color: var(--muted); line-height: 1.5; }
-.result-list { padding: 8rpx 28rpx; }
-.result-file {
-  display: flex;
-  align-items: center;
-  gap: 20rpx;
-  padding: 20rpx 0;
-}
-.result-file + .result-file { border-top: 1rpx solid var(--line); }
-.file-badge {
-  flex-shrink: 0;
-  width: 72rpx;
-  height: 84rpx;
-  line-height: 84rpx;
-  border-radius: 12rpx;
-  text-align: center;
-  font-size: 20rpx;
-  font-weight: 800;
-  letter-spacing: 1rpx;
-  color: #fff;
-  background: #e5484d;
-}
-.file-badge.png { background: #3b82f6; }
-.file-info { flex: 1; min-width: 0; }
-.file-name {
-  font-size: 27rpx;
-  font-weight: 700;
-  color: var(--ink);
-  overflow: hidden;
-  white-space: nowrap;
-  text-overflow: ellipsis;
-}
-.file-desc { margin-top: 4rpx; font-size: 22rpx; color: var(--muted); }
-.file-actions { flex-shrink: 0; display: flex; gap: 12rpx; }
-.file-btn {
-  min-width: 100rpx;
-  height: 60rpx;
-  line-height: 60rpx;
-  padding: 0 20rpx;
-  border-radius: 999rpx;
-  text-align: center;
-  font-size: 24rpx;
-  font-weight: 700;
-  color: var(--brand);
-  background: var(--brand-soft);
-}
-.file-btn.primary { color: #fff; background: var(--brand); }
-
-/* 裁切 */
-.crop-mask { align-items: stretch; background: #0b1413; }
-.crop-panel {
-  width: 100%;
-  padding: calc(env(safe-area-inset-top) + 100rpx) 40rpx 40rpx;
-  box-sizing: border-box;
-  overflow-y: auto;
-  color: #fff;
-}
-.crop-head {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  margin-bottom: 28rpx;
-}
-.crop-title { font-size: 32rpx; font-weight: 700; }
-.crop-cancel { font-size: 28rpx; color: rgba(255, 255, 255, 0.7); }
-.crop-ok {
-  padding: 10rpx 28rpx;
-  border-radius: 999rpx;
-  background: var(--brand-2);
-  color: var(--brand-deep);
-  font-size: 28rpx;
-  font-weight: 700;
-}
-.crop-ok.wait { opacity: 0.55; }
-.crop-box {
-  width: 670rpx;
-  height: 670rpx;
-  margin: 0 auto;
-  border-radius: 20rpx;
-  overflow: hidden;
-  background: #1a2523;
-}
-.crop-canvas { width: 670rpx; height: 670rpx; }
-.crop-check {
-  margin-top: 20rpx;
-  padding: 14rpx 20rpx;
-  border-radius: 14rpx;
-  font-size: 24rpx;
-  background: rgba(255, 255, 255, 0.08);
-  color: rgba(255, 255, 255, 0.8);
-}
-.check-pass { color: #6ee7b7; }
-.check-risky { background: rgba(229, 72, 77, 0.2); color: #fca5a5; }
-.check-error { color: #fcd34d; }
-.crop-hint { margin-top: 12rpx; font-size: 22rpx; color: rgba(255, 255, 255, 0.5); text-align: center; }
-.field-label.light, .row.light .row-label { color: #fff; }
-.row.light .row-hint, .mini-label.light { color: rgba(255, 255, 255, 0.55); }
-.crop-tools { margin-top: 24rpx; display: flex; gap: 16rpx; }
-.crop-tool {
-  text-align: center;
-  flex: 1;
-  height: 72rpx;
-  line-height: 72rpx;
-  border-radius: 16rpx;
-  background: rgba(255, 255, 255, 0.1);
-  color: #fff;
-  font-size: 25rpx;
-}
-.crop-replace { margin-top: 32rpx; }
-
-/* 离屏画布：不能 display:none，否则取不到节点 */
-.offscreen {
-  position: fixed;
-  left: -9999px;
-  top: 0;
-  width: 10px;
-  height: 10px;
-  overflow: hidden;
-}
-.off-canvas { width: 10px; height: 10px; }

BeadQR/miniprogram/sitemap.json

@@ -1,7 +0,0 @@
-{
-  "desc": "关于本文件的更多信息，请参考文档 https://developers.weixin.qq.com/miniprogram/dev/framework/sitemap.html",
-  "rules": [{
-    "action": "allow",
-    "page": "*"
-  }]
-}

BeadQR/miniprogram/utils/color.js

@@ -1,46 +0,0 @@
-// 颜色基础：HEX/RGB 转换、OKLab 感知色彩空间、亮度
-// OKLab 比 RGB 欧氏距离更接近人眼感受，配色更自然；距离统一放大 100 倍便于调参
-
-function hexToRgb(hex) {
-  const value = String(hex || '').replace('#', '')
-  const full = value.length === 3 ? value.split('').map((c) => c + c).join('') : value
-  const num = parseInt(full, 16) || 0
-  return [(num >> 16) & 255, (num >> 8) & 255, num & 255]
-}
-
-function rgbToHex(r, g, b) {
-  const h = (v) => Math.max(0, Math.min(255, Math.round(v))).toString(16).padStart(2, '0')
-  return `#${h(r)}${h(g)}${h(b)}`
-}
-
-// sRGB 伽马解码查表，避免每次调用 Math.pow
-const SRGB_TO_LINEAR = new Float32Array(256)
-for (let i = 0; i < 256; i += 1) {
-  const c = i / 255
-  SRGB_TO_LINEAR[i] = c <= 0.04045 ? c / 12.92 : Math.pow((c + 0.055) / 1.055, 2.4)
-}
-
-// 写入 out[offset..offset+2]（L, a, b，均 ×100）
-function rgbToOklabInto(r, g, b, out, offset) {
-  const lr = SRGB_TO_LINEAR[r]
-  const lg = SRGB_TO_LINEAR[g]
-  const lb = SRGB_TO_LINEAR[b]
-  const l = Math.cbrt(0.4122214708 * lr + 0.5363325363 * lg + 0.0514459929 * lb)
-  const m = Math.cbrt(0.2119034982 * lr + 0.6806995451 * lg + 0.1073969566 * lb)
-  const s = Math.cbrt(0.0883024619 * lr + 0.2817188376 * lg + 0.6299787005 * lb)
-  out[offset] = (0.2104542553 * l + 0.793617785 * m - 0.0040720468 * s) * 100
-  out[offset + 1] = (1.9779984951 * l - 2.428592205 * m + 0.4505937099 * s) * 100
-  out[offset + 2] = (0.0259040371 * l + 0.7827717662 * m - 0.808675766 * s) * 100
-}
-
-// 感知亮度（与旧版一致的 Rec.601 加权，0~1），用于二维码深/浅模块约束
-function luma(r, g, b) {
-  return (r * 0.299 + g * 0.587 + b * 0.114) / 255
-}
-
-function lumaHex(hex) {
-  const [r, g, b] = hexToRgb(hex)
-  return luma(r, g, b)
-}
-
-module.exports = { hexToRgb, rgbToHex, rgbToOklabInto, luma, lumaHex }

BeadQR/miniprogram/utils/engine.js

@@ -1,225 +0,0 @@
-// 配色引擎：把底图 + 二维码合成为 MARD 色号网格
-// 性能要点：
-//  1. 5bit 量化桶 → 候选 Top-K 查找表（懒加载），每格只精算约 10 个候选，而非整套 291 色
-//  2. OKLab 感知距离 + 色间距离矩阵，全部 Typed Array，无对象分配
-//  3. “颜色连贯度”参考已选中的左/上邻居色号，减少零碎杂色，拼起来更省事
-//  4. 定位/时序/对齐等功能区使用更严格的深浅阈值，显著提升扫码成功率
-const { rgbToOklabInto } = require('./color')
-const { MATCH_MODES } = require('./palette')
-const { PAPER } = require('./imaging')
-
-const TOP_K = 10
-const C_ANY = 0
-const C_DARK = 1
-const C_LIGHT = 2
-const C_FDARK = 3
-const C_FLIGHT = 4
-const C_QUIET = 5
-const C_EMPTY = 6
-
-function subsetFor(pal, mode, kind) {
-  const key = `${mode.id}:${kind}`
-  if (pal.subsets[key]) return pal.subsets[key]
-  const { n, lum } = pal
-  let test
-  if (kind === C_DARK) test = (i) => lum[i] <= mode.darkMax
-  else if (kind === C_LIGHT) test = (i) => lum[i] >= mode.lightMin
-  else if (kind === C_FDARK) test = (i) => lum[i] <= Math.min(mode.darkMax, 0.3)
-  else if (kind === C_FLIGHT) test = (i) => lum[i] >= Math.max(mode.lightMin, 0.82)
-  else test = () => true
-  let list = []
-  for (let i = 0; i < n; i += 1) if (test(i)) list.push(i)
-  if (!list.length) {
-    // 色库太小时退化为最深/最浅的 3 个颜色
-    const order = Array.from({ length: n }, (_, i) => i).sort((a, b) => lum[a] - lum[b])
-    list = kind === C_DARK || kind === C_FDARK ? order.slice(0, 3) : order.slice(-3)
-  }
-  const member = new Uint8Array(n)
-  list.forEach((i) => { member[i] = 1 })
-  const subset = { key, list: Int16Array.from(list), member, lut: new Map() }
-  pal.subsets[key] = subset
-  return subset
-}
-
-const tmpLab = new Float32Array(3)
-
-function topKForBucket(pal, subset, bucket) {
-  let hit = subset.lut.get(bucket)
-  if (hit) return hit
-  const r = ((bucket >> 10) & 31) * 8 + 4
-  const g = ((bucket >> 5) & 31) * 8 + 4
-  const b = (bucket & 31) * 8 + 4
-  rgbToOklabInto(r, g, b, tmpLab, 0)
-  const { lab } = pal
-  const list = subset.list
-  const k = Math.min(TOP_K, list.length)
-  const bestIdx = new Int16Array(k).fill(-1)
-  const bestDist = new Float32Array(k).fill(Infinity)
-  for (let t = 0; t < list.length; t += 1) {
-    const i = list[t]
-    const dl = lab[i * 3] - tmpLab[0]
-    const da = lab[i * 3 + 1] - tmpLab[1]
-    const db = lab[i * 3 + 2] - tmpLab[2]
-    const d = dl * dl + da * da + db * db
-    if (d >= bestDist[k - 1]) continue
-    let p = k - 1
-    while (p > 0 && bestDist[p - 1] > d) { bestDist[p] = bestDist[p - 1]; bestIdx[p] = bestIdx[p - 1]; p -= 1 }
-    bestDist[p] = d
-    bestIdx[p] = i
-  }
-  hit = bestIdx
-  subset.lut.set(bucket, hit)
-  return hit
-}
-
-/**
- * @param base      { size, rgb: Uint8Array, mask?: Uint8Array } 或 null（无底图）
- * @param qr        makeQr() 结果
- * @param placement createPlacement() 结果
- * @param pal       preparePalette() 结果
- * @param options   { modeId, coherence(0-100), cleanup(bool) }
- */
-function computeArtwork(base, qr, placement, pal, options = {}) {
-  const mode = MATCH_MODES.find((m) => m.id === options.modeId) || MATCH_MODES[1]
-  const size = placement.size
-  const total = size * size
-  const lab = new Float32Array(total * 3)
-  const bucket = new Int32Array(total)
-  const kind = new Uint8Array(total)
-  const { left, top, quiet } = placement
-
-  for (let y = 0; y < size; y += 1) {
-    for (let x = 0; x < size; x += 1) {
-      const i = y * size + x
-      const qx = x - left
-      const qy = y - top
-      const inQr = qx >= 0 && qy >= 0 && qx < qr.size && qy < qr.size
-      const inQuiet = !inQr && x >= left - quiet && x < left + qr.size + quiet && y >= top - quiet && y < top + qr.size + quiet
-      let r; let g; let b
-      if (inQr) {
-        const q = qy * qr.size + qx
-        const isDark = qr.dark[q]
-        const isFunc = qr.func[q]
-        kind[i] = isFunc ? (isDark ? C_FDARK : C_FLIGHT) : (isDark ? C_DARK : C_LIGHT)
-        if (base && !(base.mask && base.mask[i])) {
-          r = base.rgb[i * 3]; g = base.rgb[i * 3 + 1]; b = base.rgb[i * 3 + 2]
-        } else if (base) {
-          r = PAPER[0]; g = PAPER[1]; b = PAPER[2]
-        } else {
-          r = g = b = isDark ? 0 : 255
-        }
-      } else if (inQuiet || !base) {
-        kind[i] = C_QUIET
-        continue
-      } else if (base.mask && base.mask[i]) {
-        kind[i] = C_EMPTY
-        continue
-      } else {
-        kind[i] = C_ANY
-        r = base.rgb[i * 3]; g = base.rgb[i * 3 + 1]; b = base.rgb[i * 3 + 2]
-      }
-      rgbToOklabInto(r, g, b, lab, i * 3)
-      bucket[i] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3)
-    }
-  }
-
-  const n = pal.n
-  const plab = pal.lab
-  const pair = pal.pair
-  const weight = (Math.max(0, Math.min(100, options.coherence == null ? 40 : options.coherence)) / 100) * 0.6
-  const subsets = [C_ANY, C_DARK, C_LIGHT, C_FDARK, C_FLIGHT].map((k) => subsetFor(pal, mode, k))
-  const cells = new Int16Array(total).fill(-1)
-
-  const distTo = (c, i) => {
-    const dl = plab[c * 3] - lab[i * 3]
-    const da = plab[c * 3 + 1] - lab[i * 3 + 1]
-    const db = plab[c * 3 + 2] - lab[i * 3 + 2]
-    return Math.sqrt(dl * dl + da * da + db * db)
-  }
-
-  for (let y = 0; y < size; y += 1) {
-    for (let x = 0; x < size; x += 1) {
-      const i = y * size + x
-      const k = kind[i]
-      if (k >= C_QUIET) continue
-      const subset = subsets[k]
-      const cands = topKForBucket(pal, subset, bucket[i])
-      const nl = x > 0 ? cells[i - 1] : -1
-      const nu = y > 0 ? cells[i - size] : -1
-      const nbCount = (nl >= 0 ? 1 : 0) + (nu >= 0 ? 1 : 0)
-      let best = -1
-      let bestScore = Infinity
-      const consider = (c) => {
-        let score = distTo(c, i)
-        if (weight > 0 && nbCount) {
-          let s = 0
-          if (nl >= 0) s += pair[c * n + nl]
-          if (nu >= 0) s += pair[c * n + nu]
-          score += weight * (s / nbCount)
-        }
-        if (score < bestScore) { bestScore = score; best = c }
-      }
-      for (let t = 0; t < cands.length; t += 1) if (cands[t] >= 0) consider(cands[t])
-      if (weight > 0) {
-        if (nl >= 0 && subset.member[nl]) consider(nl)
-        if (nu >= 0 && nu !== nl && subset.member[nu]) consider(nu)
-      }
-      cells[i] = best
-    }
-  }
-
-  // 合并零散色：只用了 1~2 颗的色号并入最接近的常用色，减少需要购买的色号
-  const counts = new Int32Array(n)
-  for (let i = 0; i < total; i += 1) if (cells[i] >= 0) counts[cells[i]] += 1
-  if (options.cleanup !== false) {
-    const kept = []
-    for (let c = 0; c < n; c += 1) if (counts[c] >= 3) kept.push(c)
-    if (kept.length) {
-      for (let i = 0; i < total; i += 1) {
-        const c = cells[i]
-        if (c < 0 || counts[c] >= 3) continue
-        const member = subsets[kind[i]].member
-        let best = -1
-        let bestD = Infinity
-        for (let t = 0; t < kept.length; t += 1) {
-          const kc = kept[t]
-          if (!member[kc]) continue
-          const d = distTo(kc, i)
-          if (d < bestD) { bestD = d; best = kc }
-        }
-        // 与原色差别过大时保留原色，避免破坏画面
-        if (best >= 0 && bestD <= distTo(c, i) + 12) cells[i] = best
-      }
-      counts.fill(0)
-      for (let i = 0; i < total; i += 1) if (cells[i] >= 0) counts[cells[i]] += 1
-    }
-  }
-
-  // 二维码留白区：使用画面中最常用的浅色；没有则用色库里最浅的颜色
-  let quietColor = -1
-  let quietCount = -1
-  for (let c = 0; c < n; c += 1) {
-    if (pal.lum[c] >= Math.max(0.8, mode.lightMin) && counts[c] > quietCount) { quietColor = c; quietCount = counts[c] }
-  }
-  if (quietCount <= 0) {
-    quietColor = 0
-    for (let c = 1; c < n; c += 1) if (pal.lum[c] > pal.lum[quietColor]) quietColor = c
-  }
-  for (let i = 0; i < total; i += 1) {
-    if (kind[i] === C_QUIET) { cells[i] = quietColor; counts[quietColor] += 1 }
-  }
-
-  const usage = []
-  let beads = 0
-  for (let c = 0; c < n; c += 1) {
-    if (counts[c] > 0) {
-      usage.push({ index: c, id: pal.ids[c], hex: pal.hexes[c], count: counts[c] })
-      beads += counts[c]
-    }
-  }
-  usage.sort((a, b) => b.count - a.count)
-
-  return { size, cells, usage, beads, pal, qr, placement }
-}
-
-module.exports = { computeArtwork }

BeadQR/miniprogram/utils/imaging.js

@@ -1,95 +0,0 @@
-// 图像取样：超采样 + 区域平均，得到干净的格子颜色（旧版一次性缩放会产生噪点和锯齿色）
-// 所有结果都用 Typed Array 表示，不再生成 HEX 字符串再反解析
-
-const PAPER = [247, 241, 230]
-
-function getImageDimensions(image) {
-  const width = Number(image.width) || Number(image.naturalWidth) || Number(image._w)
-  const height = Number(image.height) || Number(image.naturalHeight) || Number(image._h)
-  if (!width || !height) throw new Error('IMAGE_DIMENSIONS_UNAVAILABLE')
-  return { width, height }
-}
-
-// 把图片按裁切参数画到 context 上（cover 语义，zoom≥1）
-function drawCropped(context, image, width, height, crop) {
-  const source = getImageDimensions(image)
-  const scale = Math.max(width / source.width, height / source.height) * (crop.zoom || 1)
-  const w = source.width * scale
-  const h = source.height * scale
-  const offsetX = (width - w) * ((crop.focusX == null ? 50 : crop.focusX) / 100)
-  const offsetY = (height - h) * ((crop.focusY == null ? 50 : crop.focusY) / 100)
-  context.fillStyle = `rgb(${PAPER[0]},${PAPER[1]},${PAPER[2]})`
-  context.fillRect(0, 0, width, height)
-  context.save()
-  context.translate(crop.flipH ? width : 0, crop.flipV ? height : 0)
-  context.scale(crop.flipH ? -1 : 1, crop.flipV ? -1 : 1)
-  context.drawImage(image, offsetX, offsetY, w, h)
-  context.restore()
-}
-
-// 返回 { size, rgb: Uint8Array(size*size*3) }
-function sampleImage(canvas, image, size, crop) {
-  // 超采样到约 700px 再按块平均，等价于高质量面积缩放
-  const factor = Math.max(1, Math.min(24, Math.floor(720 / size)))
-  const big = size * factor
-  canvas.width = big
-  canvas.height = big
-  const context = canvas.getContext('2d')
-  context.imageSmoothingEnabled = true
-  try { context.imageSmoothingQuality = 'high' } catch (e) { /* 部分基础库不支持 */ }
-  drawCropped(context, image, big, big, crop || {})
-  const pixels = context.getImageData(0, 0, big, big).data
-  const rgb = new Uint8Array(size * size * 3)
-  const area = factor * factor
-  for (let gy = 0; gy < size; gy += 1) {
-    for (let gx = 0; gx < size; gx += 1) {
-      let r = 0; let g = 0; let b = 0
-      for (let sy = 0; sy < factor; sy += 1) {
-        let p = ((gy * factor + sy) * big + gx * factor) * 4
-        for (let sx = 0; sx < factor; sx += 1) {
-          r += pixels[p]; g += pixels[p + 1]; b += pixels[p + 2]
-          p += 4
-        }
-      }
-      const o = (gy * size + gx) * 3
-      rgb[o] = (r / area + 0.5) | 0
-      rgb[o + 1] = (g / area + 0.5) | 0
-      rgb[o + 2] = (b / area + 0.5) | 0
-    }
-  }
-  return { size, rgb }
-}
-
-// 去除简单纯色背景：四角均色为背景色，从边缘洪泛填充相近颜色（主体内部不受影响）
-// 返回 Uint8Array 掩码：1 = 背景（空钉位，不放豆）
-function removeSimpleBackground(rgb, size, tolerance) {
-  const corners = [0, size - 1, (size - 1) * size, size * size - 1]
-  let br = 0; let bg = 0; let bb = 0
-  corners.forEach((i) => { br += rgb[i * 3]; bg += rgb[i * 3 + 1]; bb += rgb[i * 3 + 2] })
-  br /= 4; bg /= 4; bb /= 4
-  const threshold = (tolerance / 100) * 441.673
-  const limit = threshold * threshold
-  const mask = new Uint8Array(size * size)
-  const isBg = (i) => {
-    const dr = rgb[i * 3] - br; const dg = rgb[i * 3 + 1] - bg; const db = rgb[i * 3 + 2] - bb
-    return dr * dr + dg * dg + db * db <= limit
-  }
-  const stack = []
-  const push = (x, y) => {
-    if (x < 0 || y < 0 || x >= size || y >= size) return
-    const i = y * size + x
-    if (mask[i] || !isBg(i)) return
-    mask[i] = 1
-    stack.push(i)
-  }
-  for (let i = 0; i < size; i += 1) { push(i, 0); push(i, size - 1); push(0, i); push(size - 1, i) }
-  while (stack.length) {
-    const i = stack.pop()
-    const x = i % size
-    const y = (i - x) / size
-    push(x + 1, y); push(x - 1, y); push(x, y + 1); push(x, y - 1)
-  }
-  return mask
-}
-
-module.exports = { PAPER, getImageDimensions, drawCropped, sampleImage, removeSimpleBackground }

BeadQR/miniprogram/utils/intro.js

@@ -1,703 +0,0 @@
-// 首屏动态演示（1:1）
-// 纯代码绘制：不占包体积（无视频/图片资源），小程序实时播放与宣传视频渲染共用同一条时间轴。
-// 演示用的拼豆作品由真实配色引擎实时生成，并且确实可以被微信扫出 “Happy Birthday!”。
-const { makeQr, createPlacement } = require('./qr')
-const { preparePalette } = require('./palette')
-const { computeArtwork } = require('./engine')
-
-const DEMO_TEXT = 'Happy Birthday!'
-const DURATION = 12
-const U = 1080 // 设计稿边长，绘制时按实际像素缩放
-const TAU = Math.PI * 2
-const FLIGHT = 0.85
-// 豆子半径（相对格宽）：略大于 0.5，相邻豆子轻微相接，像熨烫后的成品，扫码更稳
-const BEAD_R = 0.52
-
-const C = {
-  bg: '#f4efe6',
-  ink: '#16211f',
-  muted: '#6b7471',
-  brand: '#0f766e',
-  brand2: '#14b8a6',
-  brandSoft: '#dcf1ec',
-  board: '#fffdf8',
-  dark: '#22302e',
-  light: '#fbf8f1',
-  wechat: '#07c160',
-}
-
-const SCENES = [
-  { a: 0, b: 2.6, title: '写一句话', sub: '扫码后想让人看到的话' },
-  { a: 2.6, b: 5.0, title: '自动编成二维码', sub: '每一颗拼豆，都是一个像素' },
-  { a: 5.0, b: 7.6, title: '融进你的照片', sub: '换上照片的颜色，依然能扫' },
-  { a: 7.6, b: 10.0, title: '微信扫一扫', sub: '拼好的作品，一扫就读出这句话' },
-]
-
-const CONFETTI = [
-  [0.17, 0.19, 0.045, '#ffd166'], [0.85, 0.2, 0.04, '#4cc9f0'], [0.13, 0.8, 0.04, '#2ec4b6'],
-  [0.86, 0.82, 0.045, '#ffd166'], [0.5, 0.11, 0.03, '#2ec4b6'], [0.91, 0.51, 0.03, '#ff9f1c'], [0.08, 0.5, 0.03, '#4cc9f0'],
-]
-
-const DECOR = [
-  [90, 150, 22, '#14b8a6'], [990, 120, 16, '#ffb703'], [60, 960, 18, '#ff7a45'], [1010, 930, 24, '#8ecae6'],
-  [170, 1040, 12, '#ffb703'], [930, 330, 12, '#ff7a45'], [120, 520, 10, '#8ecae6'], [980, 700, 14, '#14b8a6'],
-]
-
-// —— 工具 ——
-const clamp01 = (v) => (v < 0 ? 0 : v > 1 ? 1 : v)
-const lerp = (a, b, t) => a + (b - a) * t
-const prog = (t, a, b) => clamp01((t - a) / (b - a))
-const easeOut = (t) => 1 - Math.pow(1 - t, 3)
-const easeIn = (t) => t * t * t
-const easeInOut = (t) => (t < 0.5 ? 4 * t * t * t : 1 - Math.pow(-2 * t + 2, 3) / 2)
-const easeBack = (t) => { const c1 = 1.70158; const c3 = c1 + 1; return 1 + c3 * Math.pow(t - 1, 3) + c1 * Math.pow(t - 1, 2) }
-const bump = (t, a, b) => { const p = prog(t, a, b); return p > 0 && p < 1 ? Math.sin(Math.PI * p) : 0 }
-
-function rng(seed) {
-  let a = seed >>> 0
-  return () => {
-    a = (a + 0x6D2B79F5) >>> 0
-    let t = a
-    t = Math.imul(t ^ (t >>> 15), t | 1)
-    t ^= t + Math.imul(t ^ (t >>> 7), t | 61)
-    return ((t ^ (t >>> 14)) >>> 0) / 4294967296
-  }
-}
-
-function rr(ctx, x, y, w, h, r) {
-  r = Math.max(0, Math.min(r, w / 2, h / 2))
-  ctx.moveTo(x + r, y)
-  ctx.arcTo(x + w, y, x + w, y + h, r)
-  ctx.arcTo(x + w, y + h, x, y + h, r)
-  ctx.arcTo(x, y + h, x, y, r)
-  ctx.arcTo(x, y, x + w, y, r)
-  ctx.closePath()
-}
-
-// 三层叠加的柔和阴影：比 shadowBlur 便宜得多，手机上逐帧绘制也流畅
-function softShadow(ctx, x, y, w, h, r, alpha) {
-  for (let i = 3; i >= 1; i -= 1) {
-    const g = i * 8
-    ctx.fillStyle = `rgba(52,38,18,${(alpha / (i + 1)).toFixed(3)})`
-    ctx.beginPath()
-    rr(ctx, x - g / 2, y - g / 2 + g * 0.8, w + g, h + g, r + g / 2)
-    ctx.fill()
-  }
-}
-
-function heartPath(ctx, cx, cy, s) {
-  ctx.moveTo(cx, cy + s * 0.9)
-  ctx.bezierCurveTo(cx - s * 1.3, cy + s * 0.05, cx - s * 0.95, cy - s * 1.0, cx, cy - s * 0.42)
-  ctx.bezierCurveTo(cx + s * 0.95, cy - s * 1.0, cx + s * 1.3, cy + s * 0.05, cx, cy + s * 0.9)
-  ctx.closePath()
-}
-
-// 演示“照片”：暖色渐变 + 爱心 + 彩纸屑（矢量绘制，任意尺寸都清晰）
-function drawIllustration(ctx, x, y, s) {
-  ctx.save()
-  ctx.beginPath()
-  ctx.rect(x, y, s, s)
-  ctx.clip()
-  let g = ctx.createLinearGradient(x, y, x, y + s)
-  g.addColorStop(0, '#63c7b8')
-  g.addColorStop(1, '#4aa3c9')
-  ctx.fillStyle = g
-  ctx.fillRect(x, y, s, s)
-  g = ctx.createRadialGradient(x + s * 0.5, y + s * 0.48, 0, x + s * 0.5, y + s * 0.48, s * 0.55)
-  g.addColorStop(0, 'rgba(255,255,255,0.35)')
-  g.addColorStop(1, 'rgba(255,255,255,0)')
-  ctx.fillStyle = g
-  ctx.fillRect(x, y, s, s)
-  CONFETTI.forEach(([cx, cy, r, col]) => {
-    ctx.fillStyle = col
-    ctx.beginPath()
-    ctx.arc(x + cx * s, y + cy * s, r * s, 0, TAU)
-    ctx.fill()
-  })
-  g = ctx.createLinearGradient(x, y + s * 0.2, x, y + s * 0.85)
-  g.addColorStop(0, '#ff6b88')
-  g.addColorStop(1, '#d42a55')
-  ctx.fillStyle = g
-  ctx.beginPath()
-  heartPath(ctx, x + s * 0.5, y + s * 0.55, s * 0.34)
-  ctx.fill()
-  ctx.fillStyle = 'rgba(255,255,255,0.55)'
-  ctx.save()
-  ctx.translate(x + s * 0.37, y + s * 0.42)
-  ctx.rotate(-0.6)
-  ctx.scale(1, 0.55)
-  ctx.beginPath()
-  ctx.arc(0, 0, s * 0.06, 0, TAU)
-  ctx.fill()
-  ctx.restore()
-  ctx.restore()
-}
-
-// 用真实引擎生成演示作品：插画按格面积取平均色 → 配色引擎
-function buildDemo(workCanvas, createCanvas) {
-  const qr = makeQr(DEMO_TEXT, 'H')
-  const placement = createPlacement(qr.size, { scale: 100, quiet: 1, hasImage: true })
-  const size = placement.size
-  const k = 6
-  const px = size * k
-  const canvas = createCanvas ? createCanvas(px, px) : workCanvas
-  canvas.width = px
-  canvas.height = px
-  const ctx = canvas.getContext('2d')
-  ctx.setTransform(1, 0, 0, 1, 0, 0)
-  ctx.clearRect(0, 0, px, px)
-  drawIllustration(ctx, 0, 0, px)
-  const data = ctx.getImageData(0, 0, px, px).data
-  const rgb = new Uint8Array(size * size * 3)
-  for (let r = 0; r < size; r += 1) {
-    for (let c = 0; c < size; c += 1) {
-      let sr = 0; let sg = 0; let sb = 0
-      for (let y = 0; y < k; y += 1) {
-        let o = ((r * k + y) * px + c * k) * 4
-        for (let x = 0; x < k; x += 1, o += 4) { sr += data[o]; sg += data[o + 1]; sb += data[o + 2] }
-      }
-      const i = (r * size + c) * 3
-      rgb[i] = sr / (k * k); rgb[i + 1] = sg / (k * k); rgb[i + 2] = sb / (k * k)
-    }
-  }
-  const art = computeArtwork({ size, rgb }, qr, placement, preparePalette('221'), { modeId: 'balanced', coherence: 40, cleanup: true })
-  return { qr, placement, art }
-}
-
-// —— 豆子批量绘制：按颜色合并路径，每帧只需十几次填充 ——
-function addBead(groups, hex, x, y, r) {
-  let list = groups.get(hex)
-  if (!list) { list = []; groups.set(hex, list) }
-  list.push(x, y, r)
-}
-
-// 小批量合并路径：一条路径里子路径太多时，部分渲染引擎反而更慢，每 12 颗提交一次最稳
-const CHUNK = 12
-function fillCircles(ctx, list, rs, ox, oy) {
-  let n = 0
-  ctx.beginPath()
-  for (let i = 0; i < list.length; i += 3) {
-    const r = list[i + 2] * rs
-    const x = list[i] + list[i + 2] * ox
-    const y = list[i + 1] + list[i + 2] * oy
-    ctx.moveTo(x + r, y)
-    ctx.arc(x, y, r, 0, TAU)
-    n += 1
-    if (n === CHUNK) { ctx.fill(); ctx.beginPath(); n = 0 }
-  }
-  if (n) ctx.fill()
-}
-
-function flushBeads(ctx, groups) {
-  const all = []
-  groups.forEach((list, hex) => {
-    ctx.fillStyle = hex
-    fillCircles(ctx, list, 1, 0, 0)
-    all.push(list)
-  })
-  // 中孔：拼豆是一颗颗小管子
-  ctx.fillStyle = 'rgba(70,48,24,0.17)'
-  all.forEach((list) => fillCircles(ctx, list, 0.3, 0, 0))
-  // 高光
-  ctx.fillStyle = 'rgba(255,255,255,0.4)'
-  all.forEach((list) => fillCircles(ctx, list, 0.2, -0.42, -0.42))
-  groups.clear()
-}
-
-/**
- * @param opts { workCanvas?, createCanvas?(w,h), font?, loop? }
- * @returns { duration, text, artwork, draw(ctx, t, pixelWidth) }
- */
-function createIntro(opts = {}) {
-  const font = opts.font || 'sans-serif'
-  const loop = opts.loop !== false
-  const F = (weight, px) => `${weight} ${Math.round(px)}px ${font}`
-  const { qr, placement, art } = buildDemo(opts.workCanvas, opts.createCanvas)
-  const size = art.size
-  const R = rng(20260929)
-  const cells = []
-  for (let r = 0; r < size; r += 1) {
-    for (let c = 0; c < size; c += 1) {
-      const qc = c - placement.left
-      const qrow = r - placement.top
-      const dark = qc >= 0 && qrow >= 0 && qc < qr.size && qrow < qr.size && qr.dark[qrow * qr.size + qc] === 1
-      const idx = art.cells[r * size + c]
-      cells.push({
-        c,
-        r,
-        qrHex: dark ? C.dark : C.light,
-        finalHex: idx >= 0 ? art.pal.hexes[idx] : C.board,
-        k: Math.max(0, Math.min(DEMO_TEXT.length - 1, Math.floor((c / size) * DEMO_TEXT.length + (R() - 0.5) * 2.5))),
-        jx: R(),
-        jy: R() - 0.5,
-        bend: R() - 0.5,
-        t0: 2.72 + (c / size) * 0.55 + R() * 0.55,
-        tw: 5.95 + ((c + r) / (2 * (size - 1))) * 0.95 + R() * 0.08,
-      })
-    }
-  }
-  const finders = [[0, 0], [qr.size - 7, 0], [0, qr.size - 7]].map(([x, y]) => [placement.left + x, placement.top + y])
-  const topColors = art.usage.slice(0, 8).map((u) => u.hex)
-  const burst = Array.from({ length: 26 }, () => ({
-    a: -Math.PI / 2 + (R() - 0.5) * 2.2,
-    v: 520 + R() * 520,
-    r: 9 + R() * 8,
-    hex: topColors[Math.floor(R() * topColors.length)] || C.brand2,
-  }))
-  const groups = new Map()
-  const pegDots = []
-  for (let y = 20; y < U; y += 40) for (let x = 20; x < U; x += 40) pegDots.push(x, y, 2.4)
-  let layout = null // 文本排版缓存（首帧测量）
-
-  const textLayout = (ctx) => {
-    if (layout) return layout
-    ctx.font = F('bold', 64)
-    const x0 = 170
-    const charX = []
-    for (let i = 0; i <= DEMO_TEXT.length; i += 1) charX.push(x0 + ctx.measureText(DEMO_TEXT.slice(0, i)).width)
-    layout = { charX, y: 616 }
-    return layout
-  }
-
-  const boardAt = (t) => {
-    let cx = 540; let cy = 590; let B = 640
-    const a = easeInOut(prog(t, 7.6, 8.2))
-    cx = lerp(cx, 356, a); B = lerp(B, 560, a)
-    const b = easeInOut(prog(t, 10.05, 10.75))
-    cx = lerp(cx, 540, b); cy = lerp(cy, 410, b); B = lerp(B, 450, b)
-    return { cx, cy, B }
-  }
-  const gridOf = (L) => {
-    const pad = L.B * 0.05
-    const cell = (L.B - pad * 2) / size
-    return { cell, ox: L.cx - L.B / 2 + pad, oy: L.cy - L.B / 2 + pad }
-  }
-
-  const drawPlate = (ctx, L, alpha) => {
-    const x = L.cx - L.B / 2
-    const y = L.cy - L.B / 2
-    const r = L.B * 0.045
-    ctx.globalAlpha = alpha
-    softShadow(ctx, x, y, L.B, L.B, r, 0.16)
-    ctx.fillStyle = C.board
-    ctx.beginPath(); rr(ctx, x, y, L.B, L.B, r); ctx.fill()
-    ctx.globalAlpha = 1
-  }
-
-  // 背景：米色钉板 + 缓慢漂浮的装饰豆
-  const drawBackground = (ctx, t) => {
-    ctx.fillStyle = C.bg
-    ctx.fillRect(0, 0, U, U)
-    ctx.fillStyle = 'rgba(60,45,25,0.065)'
-    fillCircles(ctx, pegDots, 1, 0, 0)
-    DECOR.forEach(([x, y, r, hex], i) => {
-      const dx = Math.sin(t * 0.9 + i * 1.7) * 10
-      const dy = Math.cos(t * 0.7 + i * 2.3) * 12
-      ctx.globalAlpha = 0.55
-      addBead(groups, hex, x + dx, y + dy, r)
-    })
-    flushBeads(ctx, groups)
-    ctx.globalAlpha = 1
-  }
-
-  const drawCaption = (ctx, t) => {
-    ctx.textAlign = 'center'
-    ctx.textBaseline = 'middle'
-    SCENES.forEach((s, i) => {
-      if (t < s.a || t > s.b) return
-      const inP = easeOut(prog(t, s.a + 0.05, s.a + 0.5))
-      const outP = easeIn(prog(t, s.b - 0.32, s.b))
-      const alpha = inP * (1 - outP)
-      if (alpha <= 0) return
-      const dy = (1 - inP) * 26 - outP * 14
-      ctx.globalAlpha = alpha
-      ctx.font = F('bold', 24)
-      const label = `第 ${i + 1} 步`
-      const w = ctx.measureText(label).width + 40
-      ctx.fillStyle = C.brandSoft
-      ctx.beginPath(); rr(ctx, 540 - w / 2, 70 + dy, w, 46, 23); ctx.fill()
-      ctx.fillStyle = C.brand
-      ctx.fillText(label, 540, 94 + dy)
-      ctx.fillStyle = C.ink
-      ctx.font = F('bold', 60)
-      ctx.fillText(s.title, 540, 170 + dy * 1.3)
-      ctx.fillStyle = C.muted
-      ctx.font = F('normal', 30)
-      ctx.fillText(s.sub, 540, 232 + dy * 1.6)
-    })
-    ctx.globalAlpha = 1
-  }
-
-  const drawProgress = (ctx, t) => {
-    const alpha = prog(t, 0, 0.35) * (1 - prog(t, 10.0, 10.4))
-    if (alpha <= 0) return
-    ctx.globalAlpha = alpha
-    const w = 110; const gap = 16; const x0 = 540 - (w * 4 + gap * 3) / 2
-    SCENES.forEach((s, i) => {
-      const x = x0 + i * (w + gap)
-      ctx.fillStyle = 'rgba(22,33,31,0.1)'
-      ctx.beginPath(); rr(ctx, x, 1010, w, 8, 4); ctx.fill()
-      const p = prog(t, s.a, s.b)
-      if (p > 0) {
-        ctx.fillStyle = C.brand
-        ctx.beginPath(); rr(ctx, x, 1010, Math.max(8, w * p), 8, 4); ctx.fill()
-      }
-    })
-    ctx.globalAlpha = 1
-  }
-
-  // 第 1 幕：输入框 + 打字
-  const drawInput = (ctx, t) => {
-    if (t > 3.35) return
-    const inP = easeBack(prog(t, 0.1, 0.65))
-    const outP = easeInOut(prog(t, 2.6, 3.15))
-    const alpha = prog(t, 0.1, 0.4)
-    if (alpha <= 0) return
-    const L = textLayout(ctx)
-    const press = 1 - 0.08 * bump(t, 2.1, 2.4)
-    const scale = lerp(0.88, 1, inP) * lerp(1, 0.95, outP)
-    ctx.save()
-    ctx.translate(540, 590)
-    ctx.scale(scale, scale)
-    ctx.translate(-540, -590)
-    ctx.globalAlpha = alpha * (1 - outP)
-    softShadow(ctx, 130, 495, 820, 190, 40, 0.14)
-    ctx.fillStyle = '#ffffff'
-    ctx.beginPath(); rr(ctx, 130, 495, 820, 190, 40); ctx.fill()
-    ctx.textAlign = 'left'
-    ctx.textBaseline = 'middle'
-    ctx.fillStyle = C.muted
-    ctx.font = F('normal', 24)
-    ctx.fillText('扫码后显示的内容', 170, 548)
-    // 发送按钮
-    ctx.save()
-    ctx.translate(880, 590)
-    ctx.scale(press, press)
-    ctx.fillStyle = C.brand
-    ctx.beginPath(); ctx.arc(0, 0, 44, 0, TAU); ctx.fill()
-    ctx.strokeStyle = '#fff'
-    ctx.lineWidth = 7
-    ctx.lineCap = 'round'
-    ctx.lineJoin = 'round'
-    ctx.beginPath(); ctx.moveTo(-14, 0); ctx.lineTo(14, 0); ctx.moveTo(2, -13); ctx.lineTo(15, 0); ctx.lineTo(2, 13); ctx.stroke()
-    ctx.restore()
-    ctx.restore()
-    // 文字逐字出现，随后逐字化作豆子
-    const count = Math.floor(prog(t, 0.55, 1.9) * DEMO_TEXT.length + 0.0001)
-    ctx.font = F('bold', 64)
-    ctx.textAlign = 'left'
-    ctx.fillStyle = C.ink
-    for (let i = 0; i < count; i += 1) {
-      const start = 2.7 + (i / DEMO_TEXT.length) * 0.55
-      const a = alpha * (1 - prog(t, start, start + 0.35))
-      if (a <= 0) continue
-      ctx.globalAlpha = a
-      ctx.fillText(DEMO_TEXT[i], L.charX[i], L.y)
-    }
-    const typing = t >= 0.55 && t <= 1.9
-    if (t < 2.55 && (typing || Math.floor(t / 0.4) % 2 === 0)) {
-      ctx.globalAlpha = alpha
-      ctx.fillStyle = C.brand2
-      ctx.fillRect(L.charX[count] + 4, L.y - 34, 5, 68)
-    }
-    ctx.globalAlpha = 1
-  }
-
-  // 主画板上的豆子：飞入 → 黑白二维码 → 扫过换色
-  const drawMainBeads = (ctx, t, L) => {
-    const G = gridOf(L)
-    const TL = textLayout(ctx)
-    const baseR = G.cell * BEAD_R
-    for (let i = 0; i < cells.length; i += 1) {
-      const b = cells[i]
-      if (t < b.t0) continue
-      const dx = G.ox + (b.c + 0.5) * G.cell
-      const dy = G.oy + (b.r + 0.5) * G.cell
-      let x = dx; let y = dy; let s = 1
-      const f = prog(t, b.t0, b.t0 + FLIGHT)
-      if (f < 1) {
-        const sx = TL.charX[b.k] + b.jx * (TL.charX[b.k + 1] - TL.charX[b.k])
-        const sy = TL.y + b.jy * 44
-        const cx = (sx + dx) / 2 + b.bend * 220
-        const cy = Math.min(sy, dy) - 110 - Math.abs(b.bend) * 160
-        const e = easeInOut(f)
-        const u = 1 - e
-        x = u * u * sx + 2 * u * e * cx + e * e * dx
-        y = u * u * sy + 2 * u * e * cy + e * e * dy
-        s = lerp(0.55, 1, easeOut(f))
-      } else {
-        s = 1 + 0.16 * bump(t, b.t0 + FLIGHT, b.t0 + FLIGHT + 0.2)
-      }
-      s += 0.3 * bump(t, b.tw - 0.05, b.tw + 0.25)
-      addBead(groups, t >= b.tw ? b.finalHex : b.qrHex, x, y, baseR * s)
-    }
-    flushBeads(ctx, groups)
-  }
-
-  const drawFinalBeads = (ctx, L) => {
-    const G = gridOf(L)
-    const r = G.cell * BEAD_R
-    for (let i = 0; i < cells.length; i += 1) {
-      const b = cells[i]
-      addBead(groups, b.finalHex, G.ox + (b.c + 0.5) * G.cell, G.oy + (b.r + 0.5) * G.cell, r)
-    }
-    flushBeads(ctx, groups)
-  }
-
-  // 二维码定位图形高亮
-  const drawFinders = (ctx, t, L) => {
-    const p = prog(t, 4.15, 4.95)
-    if (p <= 0 || p >= 1) return
-    const G = gridOf(L)
-    const alpha = Math.sin(Math.PI * p)
-    const grow = (1 - easeOut(p)) * 18
-    ctx.strokeStyle = C.brand2
-    ctx.lineWidth = 6
-    ctx.globalAlpha = alpha
-    finders.forEach(([c, r]) => {
-      const x = G.ox + c * G.cell - 6 - grow
-      const y = G.oy + r * G.cell - 6 - grow
-      const w = 7 * G.cell + 12 + grow * 2
-      ctx.beginPath(); rr(ctx, x, y, w, w, 16); ctx.stroke()
-    })
-    ctx.globalAlpha = 1
-  }
-
-  // 沿对角线扫过的光带
-  const drawGleam = (ctx, L, p, strength) => {
-    if (p <= 0 || p >= 1) return
-    const x = L.cx - L.B / 2
-    const y = L.cy - L.B / 2
-    const g = ctx.createLinearGradient(x, y, x + L.B, y + L.B)
-    const s0 = clamp01(p - 0.12); const s1 = clamp01(p); const s2 = clamp01(p + 0.04)
-    g.addColorStop(0, 'rgba(255,255,255,0)')
-    if (s0 > 0) g.addColorStop(s0, 'rgba(255,255,255,0)')
-    g.addColorStop(s1, `rgba(255,255,255,${strength})`)
-    if (s2 < 1) g.addColorStop(s2, 'rgba(255,255,255,0)')
-    g.addColorStop(1, 'rgba(255,255,255,0)')
-    ctx.save()
-    ctx.beginPath(); rr(ctx, x, y, L.B, L.B, L.B * 0.045); ctx.clip()
-    ctx.fillStyle = g
-    ctx.fillRect(x, y, L.B, L.B)
-    ctx.restore()
-  }
-
-  // 第 3 幕：照片飞入并铺到画板上
-  const drawPhoto = (ctx, t, L) => {
-    if (t < 4.95 || t > 6.65) return
-    const a = easeOut(prog(t, 5.0, 5.55))
-    const b = easeInOut(prog(t, 5.6, 6.05))
-    let x = lerp(1320, 800, a); let y = lerp(250, 330, a); let rot = lerp(0.4, -0.12, a); let s = 300
-    x = lerp(x, L.cx, b); y = lerp(y, L.cy, b); rot = lerp(rot, 0, b); s = lerp(s, L.B * 0.9, b)
-    const frame = lerp(14, 0, b)
-    const alpha = 1 - prog(t, 6.0, 6.6)
-    ctx.save()
-    ctx.globalAlpha = alpha
-    ctx.translate(x, y)
-    ctx.rotate(rot)
-    const half = s / 2 + frame
-    if (b < 1) softShadow(ctx, -half, -half, half * 2, half * 2, 18, 0.2 * (1 - b))
-    ctx.fillStyle = '#ffffff'
-    ctx.beginPath(); rr(ctx, -half, -half, half * 2, half * 2, 18); ctx.fill()
-    ctx.beginPath(); rr(ctx, -s / 2, -s / 2, s, s, 10); ctx.clip()
-    drawIllustration(ctx, -s / 2, -s / 2, s)
-    ctx.restore()
-    ctx.globalAlpha = 1
-  }
-
-  // 第 4 幕：手机扫码
-  const drawPhone = (ctx, t) => {
-    const enter = easeOut(prog(t, 7.75, 8.35))
-    const exit = easeIn(prog(t, 9.95, 10.4))
-    if (enter <= 0 || exit >= 1) return
-    const w = 340; const h = 660
-    const px = 800
-    const py = 590 + (1 - enter) * 860 + exit * 860
-    const rot = lerp(0.16, -0.035, enter)
-    ctx.save()
-    ctx.translate(px, py)
-    ctx.rotate(rot)
-    softShadow(ctx, -w / 2, -h / 2, w, h, 60, 0.28)
-    ctx.fillStyle = '#1b2321'
-    ctx.beginPath(); rr(ctx, -w / 2, -h / 2, w, h, 60); ctx.fill()
-    ctx.fillStyle = '#2c3633'
-    ctx.fillRect(w / 2 - 1, -h / 2 + 150, 5, 70)
-    // 屏幕
-    const sw = w - 24; const sh = h - 24
-    ctx.save()
-    ctx.beginPath(); rr(ctx, -sw / 2, -sh / 2, sw, sh, 48); ctx.clip()
-    ctx.fillStyle = '#0e1312'
-    ctx.fillRect(-sw / 2, -sh / 2, sw, sh)
-    const jx = Math.sin(t * 3.1) * 3
-    const jy = Math.cos(t * 2.3) * 3
-    const cam = { cx: jx, cy: -30 + jy, B: 250 }
-    ctx.globalAlpha = 0.92
-    ctx.fillStyle = C.bg
-    ctx.fillRect(-sw / 2, -sh / 2, sw, sh)
-    ctx.globalAlpha = 1
-    drawPlate(ctx, cam, 1)
-    drawFinalBeads(ctx, cam)
-    ctx.fillStyle = 'rgba(10,15,14,0.45)'
-    ctx.fillRect(-sw / 2, -sh / 2, sw, sh)
-    // 取景框
-    const detect = prog(t, 9.0, 9.3)
-    const snap = t >= 9.0 ? 1 + 0.1 * (1 - easeOut(detect)) : 1
-    const half = 146 * snap
-    ctx.strokeStyle = t >= 9.0 ? C.wechat : '#ffffff'
-    ctx.lineWidth = 6
-    ctx.lineCap = 'round'
-    const arm = 34
-    ctx.beginPath()
-    ;[[-1, -1], [1, -1], [1, 1], [-1, 1]].forEach(([sx, sy]) => {
-      const x = cam.cx + sx * half
-      const y = cam.cy + sy * half
-      ctx.moveTo(x, y - sy * arm); ctx.lineTo(x, y); ctx.lineTo(x - sx * arm, y)
-    })
-    ctx.stroke()
-    // 扫描线
-    const sp = prog(t, 8.3, 9.0)
-    if (sp > 0 && sp < 1) {
-      const top = cam.cy - 140
-      const y = lerp(top, cam.cy + 140, easeInOut(sp))
-      const g = ctx.createLinearGradient(0, y - 80, 0, y)
-      g.addColorStop(0, 'rgba(7,193,96,0)')
-      g.addColorStop(1, 'rgba(7,193,96,0.35)')
-      ctx.fillStyle = g
-      ctx.fillRect(cam.cx - 140, Math.max(top, y - 80), 280, y - Math.max(top, y - 80))
-      ctx.fillStyle = C.wechat
-      ctx.fillRect(cam.cx - 140, y - 2, 280, 4)
-    }
-    ctx.textAlign = 'center'
-    ctx.textBaseline = 'middle'
-    ctx.fillStyle = '#ffffff'
-    ctx.font = F('bold', 24)
-    ctx.fillText('扫一扫', 0, -sh / 2 + 78)
-    if (t < 9.0) {
-      ctx.globalAlpha = 0.7
-      ctx.font = F('normal', 19)
-      ctx.fillText('将二维码放入框内', 0, cam.cy + 185)
-      ctx.globalAlpha = 1
-    }
-    const flash = t >= 9.0 ? 0.35 * (1 - prog(t, 9.0, 9.25)) : 0
-    if (flash > 0) {
-      ctx.fillStyle = `rgba(255,255,255,${flash.toFixed(3)})`
-      ctx.fillRect(-sw / 2, -sh / 2, sw, sh)
-    }
-    // 识别结果卡片
-    const rp = prog(t, 9.1, 9.5)
-    if (rp > 0) {
-      const cw = sw - 36; const ch = 170
-      const cy = sh / 2 - 18 - ch + (1 - easeBack(rp)) * 220
-      ctx.fillStyle = '#ffffff'
-      ctx.beginPath(); rr(ctx, -cw / 2, cy, cw, ch, 28); ctx.fill()
-      ctx.fillStyle = C.wechat
-      ctx.beginPath(); ctx.arc(0, cy + 44, 22, 0, TAU); ctx.fill()
-      ctx.strokeStyle = '#fff'
-      ctx.lineWidth = 5
-      ctx.lineJoin = 'round'
-      ctx.beginPath(); ctx.moveTo(-9, cy + 44); ctx.lineTo(-2, cy + 51); ctx.lineTo(10, cy + 37); ctx.stroke()
-      ctx.fillStyle = C.ink
-      ctx.font = F('bold', 30)
-      ctx.fillText(DEMO_TEXT, 0, cy + 100)
-      ctx.fillStyle = C.muted
-      ctx.font = F('normal', 18)
-      ctx.fillText('扫码结果', 0, cy + 138)
-    }
-    ctx.restore()
-    // 灵动岛
-    ctx.fillStyle = '#000'
-    ctx.beginPath(); rr(ctx, -52, -h / 2 + 26, 104, 30, 15); ctx.fill()
-    ctx.restore()
-
-    // 识别成功：豆子礼花
-    const bt = t - 9.2
-    if (bt > 0 && bt < 1.4) {
-      const ox = px; const oy = py + 200
-      const fade = 1 - prog(bt, 0.9, 1.4)
-      ctx.globalAlpha = fade
-      burst.forEach((p) => {
-        const x = ox + Math.cos(p.a) * p.v * bt
-        const y = oy + Math.sin(p.a) * p.v * bt + 900 * bt * bt
-        addBead(groups, p.hex, x, y, p.r)
-      })
-      flushBeads(ctx, groups)
-      ctx.globalAlpha = 1
-    }
-  }
-
-  // 片尾
-  const drawEnd = (ctx, t) => {
-    if (t < 10.4) return
-    ctx.textAlign = 'center'
-    ctx.textBaseline = 'middle'
-    const a = easeOut(prog(t, 10.45, 10.95))
-    ctx.globalAlpha = a
-    ctx.fillStyle = C.ink
-    ctx.font = F('bold', 64)
-    ctx.fillText('豆维 · 可扫码的拼豆', 540, 745 + (1 - a) * 30)
-    const b = easeOut(prog(t, 10.6, 11.1))
-    ctx.globalAlpha = b
-    ctx.fillStyle = C.muted
-    ctx.font = F('normal', 32)
-    ctx.fillText('把一句话藏进拼豆里，微信一扫就能读出来', 540, 812 + (1 - b) * 30)
-    const chips = ['MARD 标准色号', 'A4 打印图纸', '微信一扫即读']
-    ctx.font = F('bold', 26)
-    const widths = chips.map((s) => ctx.measureText(s).width + 44)
-    const total = widths.reduce((s, v) => s + v, 0) + 18 * (chips.length - 1)
-    let x = 540 - total / 2
-    chips.forEach((label, i) => {
-      const p = easeBack(prog(t, 10.85 + i * 0.12, 11.3 + i * 0.12))
-      if (p > 0) {
-        ctx.globalAlpha = clamp01(p)
-        const cy = 892 + (1 - p) * 24
-        ctx.fillStyle = C.brandSoft
-        ctx.beginPath(); rr(ctx, x, cy - 26, widths[i], 52, 26); ctx.fill()
-        ctx.fillStyle = C.brand
-        ctx.fillText(label, x + widths[i] / 2, cy)
-      }
-      x += widths[i] + 18
-    })
-    ctx.globalAlpha = 1
-  }
-
-  const draw = (ctx, time, pixelWidth) => {
-    const t = loop ? ((time % DURATION) + DURATION) % DURATION : Math.min(time, DURATION)
-    const k = pixelWidth / U
-    ctx.setTransform(k, 0, 0, k, 0, 0)
-    ctx.globalAlpha = 1
-    drawBackground(ctx, t)
-    const L = boardAt(t)
-    if (t >= 2.65) {
-      const p = easeBack(prog(t, 2.65, 3.15))
-      const s = lerp(0.92, 1, p)
-      const LS = { cx: L.cx, cy: L.cy, B: L.B * s }
-      drawPlate(ctx, LS, prog(t, 2.65, 3.0))
-    }
-    drawInput(ctx, t)
-    if (t >= 2.72) drawMainBeads(ctx, t, L)
-    drawFinders(ctx, t, L)
-    drawGleam(ctx, L, prog(t, 5.9, 7.0), 0.55)
-    drawGleam(ctx, L, prog(t, 11.0, 11.7), 0.4)
-    drawPhoto(ctx, t, L)
-    drawPhone(ctx, t)
-    drawCaption(ctx, t)
-    drawProgress(ctx, t)
-    drawEnd(ctx, t)
-    if (loop) {
-      const fade = easeInOut(prog(t, 11.45, 12))
-      if (fade > 0) {
-        ctx.globalAlpha = fade
-        ctx.fillStyle = C.bg
-        ctx.fillRect(0, 0, U, U)
-        ctx.globalAlpha = 1
-      }
-    }
-    ctx.setTransform(1, 0, 0, 1, 0, 0)
-  }
-
-  // 关键时间点（供视频配乐对齐）
-  const timeline = { landings: cells.map((b) => b.t0 + FLIGHT), wipes: cells.map((b) => b.tw) }
-  return { duration: DURATION, text: DEMO_TEXT, artwork: art, draw, timeline }
-}
-
-module.exports = { createIntro, DEMO_TEXT, DURATION }

BeadQR/miniprogram/utils/palette-data.js

@@ -1,48 +0,0 @@
-// MARD reference palette from the public 2026 color chart.
-// 291 colors = standard 221 (A-H, M) + 70 extended (P, Q, R, T, Y, ZG).
-const MARD_HEX = {
-  A1:"#f9f0cd", A2:"#fbfbd4", A3:"#fafc9f", A4:"#ffe953", A5:"#f4d738", A6:"#fdad49", A7:"#ff7c2f", A8:"#eaca49",
-  A9:"#ff995a", A10:"#ff9d55", A11:"#ffdd99", A12:"#fcb58f", A13:"#ffbb59", A14:"#ff6d40", A15:"#fdff44", A16:"#fef9ae",
-  A17:"#ffe36e", A18:"#fecf98", A19:"#fd7b72", A20:"#efcd67", A21:"#ffe395", A22:"#fff3a4", A23:"#f3d5bf", A24:"#fbf8c9",
-  A25:"#ffd67d", A26:"#ffbb27", B1:"#e6ee32", B2:"#5be419", B3:"#7cee9d", B4:"#1ef942", B5:"#00bd35", B6:"#5ae8ba",
-  B7:"#03ac88", B8:"#029d26", B9:"#26523a", B10:"#95d3c2", B11:"#5d722a", B12:"#156f40", B13:"#d9f794", B14:"#ade945",
-  B15:"#2e5132", B16:"#c6ed9c", B17:"#9bb13a", B18:"#e6ee49", B19:"#25b88c", B20:"#c2f0cc", B21:"#146a6b", B22:"#0b3c43",
-  B23:"#303921", B24:"#eefca5", B25:"#4e846d", B26:"#8c7a36", B27:"#d1dcc1", B28:"#9ee5b9", B29:"#c5e254", B30:"#ecfbd0",
-  B31:"#c4e6b5", B32:"#9bab5a", C1:"#e8ffe7", C2:"#bcf9f6", C3:"#a0e2fb", C4:"#42ccff", C5:"#01aceb", C6:"#50a9f0",
-  C7:"#0188d3", C8:"#1054c0", C9:"#314bca", C10:"#3ebce2", C11:"#03b9b9", C12:"#1c334d", C13:"#cde8ff", C14:"#d5fdff",
-  C15:"#23c4c6", C16:"#1757a8", C17:"#50d3ec", C18:"#1c3344", C19:"#1787a2", C20:"#0082be", C21:"#beddff", C22:"#67b4be",
-  C23:"#c2dceb", C24:"#7dc4ff", C25:"#a9e5e5", C26:"#2f99b3", C27:"#ebf5fc", C28:"#bbcfed", C29:"#4b5ba3", D1:"#aeb4f2",
-  D2:"#858edd", D3:"#3054af", D4:"#182a84", D5:"#b843c5", D6:"#ac7bde", D7:"#6e399a", D8:"#e2d3ff", D9:"#d5b9f8",
-  D10:"#361b50", D11:"#b9bae1", D12:"#de9ad4", D13:"#b90295", D14:"#8b279b", D15:"#2f1f90", D16:"#e2e1ee", D17:"#c4d4f6",
-  D18:"#a45ec7", D19:"#d8c3d7", D20:"#9c32b2", D21:"#9a009b", D22:"#333995", D23:"#eadafc", D24:"#7786e5", D25:"#484fc7",
-  D26:"#e9c3f6", E1:"#fdd3cc", E2:"#fecddf", E3:"#ff97c3", E4:"#e8649e", E5:"#f551a2", E6:"#ff346b", E7:"#c63578",
-  E8:"#ffdbe9", E9:"#e970cc", E10:"#d33893", E11:"#fcddd2", E12:"#ffa1c5", E13:"#b6006d", E14:"#ffd1ba", E15:"#f2cfd0",
-  E16:"#ffecde", E17:"#ffe2ea", E18:"#ffc9d6", E19:"#ffd2e7", E20:"#d8c7d1", E21:"#bd9da1", E22:"#cc78a7", E23:"#937a8d",
-  E24:"#f6e4f9", F1:"#fd957b", F2:"#fc3d45", F3:"#f74941", F4:"#fc283c", F5:"#d80127", F6:"#b0443d", F7:"#971937",
-  F8:"#bc0127", F9:"#e2677a", F10:"#a74d22", F11:"#6f201f", F12:"#fd4d6a", F13:"#dd422f", F14:"#ffa9ad", F15:"#c80020",
-  F16:"#ffd9c8", F17:"#f79b71", F18:"#d37c46", F19:"#c1444a", F20:"#cd9391", F21:"#f4b1b4", F22:"#ffd0cb", F23:"#f57e66",
-  F24:"#fcc1c4", F25:"#e54b4f", G1:"#ffe2ce", G2:"#ffcaaa", G3:"#f4c3a5", G4:"#e1b383", G5:"#ed9435", G6:"#f59734",
-  G7:"#9d5b3e", G8:"#592a21", G9:"#e6b483", G10:"#c88135", G11:"#e0c593", G12:"#ebbb83", G13:"#b7714a", G14:"#8d614c",
-  G15:"#fcf9e0", G16:"#f2d9ba", G17:"#56403c", G18:"#ffe4cc", G19:"#e1943a", G20:"#a94023", G21:"#cb8e77", H1:"#e2e2e2",
-  H2:"#ffffff", H3:"#b3b3b3", H4:"#868686", H5:"#474747", H6:"#2c2c2c", H7:"#000000", H8:"#e7d6db", H9:"#e4e7e3",
-  H10:"#eee9ea", H11:"#cecdd5", H12:"#fff5ed", H13:"#f3e1c9", H14:"#cfd7d3", H15:"#98a6a8", H16:"#3b2f23", H17:"#f1eded",
-  H18:"#fffdf0", H19:"#f6efe2", H20:"#949fa3", H21:"#f7f3e4", H22:"#cacad5", H23:"#9a9d94", M1:"#bcc6b8", M2:"#8aa385",
-  M3:"#697d80", M4:"#dacebe", M5:"#d0ccaa", M6:"#b0a782", M7:"#b4a497", M8:"#b38281", M9:"#a58767", M10:"#c5b1bc",
-  M11:"#9f7494", M12:"#644749", M13:"#d19066", M14:"#c77361", M15:"#757d7b", P1:"#fcf8f9", P2:"#bda9ab", P3:"#aedda9",
-  P4:"#fda49e", P5:"#ec8d3d", P6:"#60cfa8", P7:"#eb9271", P8:"#f0d958", P9:"#d9d9d9", P10:"#d5c8e9", P11:"#f3ecc8",
-  P12:"#e6eef1", P13:"#a9cbf1", P14:"#3177b0", P15:"#668575", P16:"#ffbe46", P17:"#ffa324", P18:"#feb89f", P19:"#ffe0e8",
-  P20:"#febecf", P21:"#ecbec0", P22:"#e4a89e", P23:"#a56269", Q1:"#f2a5e8", Q2:"#73b29e", Q3:"#ffff00", Q4:"#ffebfa",
-  Q5:"#4f5e5b", R1:"#d50e21", R2:"#f92e83", R3:"#fd8225", R4:"#f8ec31", R5:"#34c75b", R6:"#25b891", R7:"#17779d",
-  R8:"#1b60c3", R9:"#9a56b4", R10:"#ffdb4d", R11:"#ffebfa", R12:"#d8d5ce", R13:"#55514c", R14:"#9ee4df", R15:"#77cee9",
-  R16:"#3dcfca", R17:"#4a867a", R18:"#7fcd9d", R19:"#cde55d", R20:"#e8c7b4", R21:"#ad6f3c", R22:"#6c372f", R23:"#feb872",
-  R24:"#f2c1c0", R25:"#c9675d", R26:"#d293be", R27:"#ea8cb1", R28:"#9c87d6", T1:"#e2dfd7", Y1:"#fd6fb4", Y2:"#feb481",
-  Y3:"#d7faa0", Y4:"#8bdbfa", Y5:"#e987ea", ZG1:"#daabb3", ZG2:"#d6aa87", ZG3:"#c1bd8d", ZG4:"#96869f", ZG5:"#8490a6",
-  ZG6:"#94bfe2", ZG7:"#e2a9d2", ZG8:"#ab91c0",
-}
-
-const MARD_PALETTE = Object.entries(MARD_HEX).map(([id, hex]) => ({ id, hex }))
-
-// 智能近色色库的“远点优先”排序（离线预计算，避免真机启动时 2000 万次距离运算）
-const MARD_SMART_ORDER = ["A4","A7","B5","B9","C4","C8","C12","D7","E5","F3","G5","G8","H2","H3","H5","H7","M3","M12","P3","P14","Q1","R5","R13","ZG6","E13","B17","Q3","B2","A22","C11","D18","P6","G20","F5","P4","M8","D15","C2","D24","A19","B4","B14","G13","B21","R12","E7","C7","D21","E9","B19","D25","M2","D8","D20","R16","R23","B26","B11","E6","F7","E22","F19","ZG2","A26","A2","C5","B3","C28","E2","M13","B1","B13","ZG4","C6","R19","R28","G2","ZG1","E3","P23","A8","A9","R14","C29","C24","H6","M6","B7","G7","Q2","M5","D10","B8","B20","B10","F9","C22","C26","B12","B25","F4","D5","C19","B32","F13","A25","H15","D13","G10","B6","Y5","H10","Y1","D14","D1","D3","D12","E21","E10","M9","D9","R27","C10","R18","H13","H4","P21","ZG3","G11","C15","ZG8","P7","D4","C3","M14","A20","F8","R22","C14","D22","A15","A6","R26","R2","C16","B31","F12","R15","F20","C17","A11","F11","P17","A5","C9","P22","E4","B18","C1","C21","M11","B16","R9","F25","A12","A14","Y4","G14","B28","H23","P20","C20","C27","ZG5","B22","G12","M1","D6","F6","A13","P10","D11","F18","F1","Q5","Q4","M10","G17","H8","A17","D26","F21","P19","B24","P8","H22","P13","C13","F22","G21","R4","D2","H16","M4","P16","R21","E14","R7","R8","P18","H12","B27","D19","ZG7","E16","P2","B30","R20","F14","G16","R10","M7","E23","B23","D16","C23","F23","R1","Y2","A18","E15","G3","F15","P15","R17","D17","F2","E11","A1","F10","F17","G19","M15","G4","R25","C25","Y3","B29","H9","G15","R3","P9","P12","A16","F24","A3","E24","B15","D23","T1","P5","H14","H19","E12"]
-
-module.exports = { MARD_PALETTE, MARD_SMART_ORDER }

BeadQR/miniprogram/utils/palette.js

@@ -1,74 +0,0 @@
-// MARD 色库预设 + 预处理（Typed Array 结构，供匹配引擎高速读取）
-const { MARD_PALETTE, MARD_SMART_ORDER } = require('./palette-data')
-const { hexToRgb, rgbToOklabInto, luma } = require('./color')
-
-// 颜色匹配模式：darkMax/lightMin 为二维码深/浅模块允许的亮度范围
-const MATCH_MODES = [
-  { id: 'rich', label: '色彩优先', hint: '更像原图', darkMax: 0.4, lightMin: 0.74 },
-  { id: 'balanced', label: '均衡', hint: '推荐', darkMax: 0.36, lightMin: 0.78 },
-  { id: 'strict', label: '扫码优先', hint: '最稳', darkMax: 0.3, lightMin: 0.84 },
-]
-
-const byId = new Map(MARD_PALETTE.map((c) => [c.id, c]))
-const pick = (ids) => ids.map((id) => byId.get(id)).filter(Boolean)
-const STANDARD_221 = MARD_PALETTE.filter((c) => /^[A-HM]\d+$/.test(c.id))
-
-const PRESETS = [
-  { id: '221', label: '标准 221 色', short: '221 色', detail: 'MARD 标准色，最常见', list: () => STANDARD_221 },
-  { id: '291', label: '完整 291 色', short: '291 色', detail: '含扩展色，颜色最全', list: () => MARD_PALETTE },
-  ...[144, 96, 72, 48, 24].map((n) => ({
-    id: String(n),
-    label: `精选 ${n} 色`,
-    short: `${n} 色`,
-    detail: n <= 48 ? '入门套装，买豆更省' : '常用色，兼顾效果与成本',
-    list: () => pick(MARD_SMART_ORDER.slice(0, n)),
-  })),
-]
-
-const cache = {}
-
-function preparePalette(presetId) {
-  if (cache[presetId]) return cache[presetId]
-  const preset = PRESETS.find((p) => p.id === presetId) || PRESETS[0]
-  const list = preset.list()
-  const n = list.length
-  const rgb = new Uint8Array(n * 3)
-  const lab = new Float32Array(n * 3)
-  const lum = new Float32Array(n)
-  list.forEach((c, i) => {
-    const [r, g, b] = hexToRgb(c.hex)
-    rgb[i * 3] = r; rgb[i * 3 + 1] = g; rgb[i * 3 + 2] = b
-    rgbToOklabInto(r, g, b, lab, i * 3)
-    lum[i] = luma(r, g, b)
-  })
-  // 色与色之间的距离矩阵（291² ≈ 8.5 万项，一次性计算）
-  const pair = new Float32Array(n * n)
-  for (let i = 0; i < n; i += 1) {
-    for (let j = i + 1; j < n; j += 1) {
-      const dl = lab[i * 3] - lab[j * 3]
-      const da = lab[i * 3 + 1] - lab[j * 3 + 1]
-      const db = lab[i * 3 + 2] - lab[j * 3 + 2]
-      const d = Math.sqrt(dl * dl + da * da + db * db)
-      pair[i * n + j] = d
-      pair[j * n + i] = d
-    }
-  }
-  const prepared = {
-    id: preset.id,
-    label: preset.label,
-    short: preset.short,
-    n,
-    ids: list.map((c) => c.id),
-    hexes: list.map((c) => c.hex),
-    rgb,
-    lab,
-    lum,
-    pair,
-    subsets: {},
-    luts: {},
-  }
-  cache[presetId] = prepared
-  return prepared
-}
-
-module.exports = { MATCH_MODES, PRESETS, preparePalette }

BeadQR/miniprogram/utils/pattern.js

@@ -1,381 +0,0 @@
-// Canvas 绘制：预览、PNG 图纸页、作品信息页、水印
-// 性能要点：按颜色批量合并路径，每种颜色只 fill 一次；字体只设置一次；网格线合并成单条路径
-const { lumaHex } = require('./color')
-
-const BOARD = '#f1eee7' // 钉板底色
-const PEG = '#d9d3c7' // 空钉位
-const INK = '#1d2b2a'
-const MUTED = '#6b7671'
-const BRAND = '#0f766e'
-
-function roundRectPath(ctx, x, y, w, h, r) {
-  const rr = Math.min(r, w / 2, h / 2)
-  ctx.moveTo(x + rr, y)
-  ctx.arcTo(x + w, y, x + w, y + h, rr)
-  ctx.arcTo(x + w, y + h, x, y + h, rr)
-  ctx.arcTo(x, y + h, x, y, rr)
-  ctx.arcTo(x, y, x + w, y, rr)
-  ctx.closePath()
-}
-
-function fitText(ctx, value, maxWidth) {
-  const text = String(value || '')
-  if (ctx.measureText(text).width <= maxWidth) return text
-  let end = text.length
-  while (end > 0 && ctx.measureText(`${text.slice(0, end)}…`).width > maxWidth) end -= 1
-  return `${text.slice(0, end)}…`
-}
-
-// 把同色格子分组：返回 Map<colorIndex, number[] cellIndex>
-function groupCells(artwork, region) {
-  const { size, cells } = artwork
-  const r = region || { col: 0, row: 0, cols: size, rows: size }
-  const groups = new Map()
-  const empty = []
-  for (let y = r.row; y < r.row + r.rows; y += 1) {
-    for (let x = r.col; x < r.col + r.cols; x += 1) {
-      const c = cells[y * size + x]
-      if (c < 0) { empty.push(y * size + x); continue }
-      let list = groups.get(c)
-      if (!list) { list = []; groups.set(c, list) }
-      list.push(y * size + x)
-    }
-  }
-  return { groups, empty, region: r }
-}
-
-/**
- * 绘制珠子
- * opts: { x0, y0, cell, style: square|round|hollow, region }
- */
-function drawBeads(ctx, artwork, opts) {
-  const { x0, y0, cell, style = 'square' } = opts
-  const { size, pal } = artwork
-  const { groups, empty, region } = groupCells(artwork, opts.region)
-  const ARC_CHUNK = 12
-  const pos = (i) => {
-    const x = i % size
-    const y = (i - x) / size
-    return [x0 + (x - region.col) * cell, y0 + (y - region.row) * cell]
-  }
-  ctx.fillStyle = BOARD
-  ctx.fillRect(x0, y0, region.cols * cell, region.rows * cell)
-  // 空钉位：小圆点，提示“这里不放豆”
-  if (empty.length) {
-    ctx.fillStyle = PEG
-    ctx.beginPath()
-    const r = cell * 0.14
-    empty.forEach((i, n) => {
-      const [x, y] = pos(i)
-      ctx.moveTo(x + cell / 2 + r, y + cell / 2)
-      ctx.arc(x + cell / 2, y + cell / 2, r, 0, Math.PI * 2)
-      if (n % ARC_CHUNK === ARC_CHUNK - 1) { ctx.fill(); ctx.beginPath() }
-    })
-    ctx.fill()
-  }
-  const radius = cell * 0.46
-  const hole = cell * 0.2
-  groups.forEach((list, c) => {
-    ctx.fillStyle = pal.hexes[c]
-    ctx.beginPath()
-    if (style === 'square') {
-      list.forEach((i) => {
-        const [x, y] = pos(i)
-        // 取整边界避免相邻方块之间出现发丝缝
-        const lx = Math.round(x); const ty = Math.round(y)
-        ctx.rect(lx, ty, Math.round(x + cell) - lx, Math.round(y + cell) - ty)
-      })
-    } else {
-      // 圆形子路径过多时渲染引擎会明显变慢，按小批提交（大图从数秒降到几十毫秒）
-      list.forEach((i, n) => {
-        const [x, y] = pos(i)
-        const cx = x + cell / 2; const cy = y + cell / 2
-        ctx.moveTo(cx + radius, cy)
-        ctx.arc(cx, cy, radius, 0, Math.PI * 2)
-        if (style === 'hollow') {
-          ctx.moveTo(cx + hole, cy)
-          ctx.arc(cx, cy, hole, 0, Math.PI * 2, true)
-        }
-        if (n % ARC_CHUNK === ARC_CHUNK - 1) { ctx.fill(); ctx.beginPath() }
-      })
-    }
-    ctx.fill()
-  })
-}
-
-// 色号文字：先按深/浅文字颜色分两批
-function drawCodes(ctx, artwork, opts) {
-  const { x0, y0, cell, style = 'square' } = opts
-  const { size, cells, pal } = artwork
-  const region = opts.region || { col: 0, row: 0, cols: size, rows: size }
-  const light = pal.hexes.map((hex) => lumaHex(hex) > 0.56)
-  const fontSize = Math.max(8, Math.round(cell * (style === 'hollow' ? 0.26 : 0.32)))
-  ctx.font = `bold ${fontSize}px sans-serif`
-  ctx.textAlign = 'center'
-  ctx.textBaseline = 'middle'
-  const pass = (wantLight) => {
-    ctx.fillStyle = wantLight ? INK : '#ffffff'
-    for (let y = region.row; y < region.row + region.rows; y += 1) {
-      for (let x = region.col; x < region.col + region.cols; x += 1) {
-        const c = cells[y * size + x]
-        if (c < 0) continue
-        const useInk = style === 'hollow' ? true : light[c]
-        if (useInk !== wantLight) continue
-        ctx.fillText(pal.ids[c], x0 + (x - region.col + 0.5) * cell, y0 + (y - region.row + 0.5) * cell + fontSize * 0.04)
-      }
-    }
-  }
-  pass(true)
-  pass(false)
-  ctx.textAlign = 'start'
-  ctx.textBaseline = 'alphabetic'
-}
-
-function rgba(hex, alpha) {
-  const v = parseInt(hex.slice(1), 16)
-  return `rgba(${(v >> 16) & 255},${(v >> 8) & 255},${v & 255},${alpha})`
-}
-
-// 网格 + 坐标：细线每格一条，粗线每 interval 格一条（按全局坐标对齐）
-function drawGrid(ctx, opts) {
-  const { x0, y0, cell, region, interval = 10, color = BRAND, opacity = 60, labels = true } = opts
-  const w = region.cols * cell
-  const h = region.rows * cell
-  const alpha = opacity / 100
-  ctx.lineWidth = Math.max(1, cell * 0.02)
-  ctx.strokeStyle = rgba(color, alpha * 0.28)
-  ctx.beginPath()
-  for (let i = 0; i <= region.cols; i += 1) { const x = Math.round(x0 + i * cell) + 0.5; ctx.moveTo(x, y0); ctx.lineTo(x, y0 + h) }
-  for (let i = 0; i <= region.rows; i += 1) { const y = Math.round(y0 + i * cell) + 0.5; ctx.moveTo(x0, y); ctx.lineTo(x0 + w, y) }
-  ctx.stroke()
-  ctx.lineWidth = Math.max(2, cell * 0.06)
-  ctx.strokeStyle = rgba(color, alpha)
-  ctx.beginPath()
-  for (let i = 0; i <= region.cols; i += 1) {
-    const g = region.col + i
-    if (g % interval !== 0 && i !== 0 && i !== region.cols) continue
-    const x = x0 + i * cell; ctx.moveTo(x, y0); ctx.lineTo(x, y0 + h)
-  }
-  for (let i = 0; i <= region.rows; i += 1) {
-    const g = region.row + i
-    if (g % interval !== 0 && i !== 0 && i !== region.rows) continue
-    const y = y0 + i * cell; ctx.moveTo(x0, y); ctx.lineTo(x0 + w, y)
-  }
-  ctx.stroke()
-  if (!labels) return
-  const fontSize = Math.max(10, Math.round(Math.min(cell * 0.42, 34)))
-  ctx.font = `${fontSize}px sans-serif`
-  ctx.fillStyle = rgba(color, Math.max(0.7, alpha))
-  ctx.textAlign = 'center'
-  ctx.textBaseline = 'middle'
-  const step = cell < 22 ? interval : (cell < 36 ? 5 : 1)
-  for (let i = 0; i < region.cols; i += 1) {
-    const g = region.col + i + 1
-    if (g % step !== 0 && g !== 1) continue
-    ctx.fillText(String(g), x0 + (i + 0.5) * cell, y0 - fontSize * 0.9)
-  }
-  for (let i = 0; i < region.rows; i += 1) {
-    const g = region.row + i + 1
-    if (g % step !== 0 && g !== 1) continue
-    ctx.fillText(String(g), x0 - fontSize * 1.1, y0 + (i + 0.5) * cell)
-  }
-  ctx.textAlign = 'start'
-  ctx.textBaseline = 'alphabetic'
-}
-
-// 屏幕预览：整张作品，不带坐标（清爽）
-function renderPreview(canvas, artwork, pixelWidth, style) {
-  const size = artwork.size
-  const pad = Math.round(pixelWidth * 0.03)
-  const cell = (pixelWidth - pad * 2) / size
-  canvas.width = pixelWidth
-  canvas.height = pixelWidth
-  const ctx = canvas.getContext('2d')
-  ctx.fillStyle = BOARD
-  ctx.fillRect(0, 0, pixelWidth, pixelWidth)
-  drawBeads(ctx, artwork, { x0: pad, y0: pad, cell, style })
-}
-
-// —— PNG 图纸页 ——
-function patternPageLayout(size, cell) {
-  const axis = Math.max(48, Math.round(cell * 1.1))
-  const pad = Math.max(48, Math.round(cell * 0.9))
-  const header = Math.max(120, Math.round(cell * 2.4))
-  const grid = size * cell
-  return { axis, pad, header, width: grid + axis + pad * 2, height: header + axis + grid + pad * 2 }
-}
-
-function drawPatternPage(ctx, artwork, opts) {
-  const { cell, style, grid, meta } = opts
-  const L = patternPageLayout(artwork.size, cell)
-  ctx.fillStyle = '#fbfaf7'
-  ctx.fillRect(0, 0, L.width, L.height)
-  // 头部
-  const unit = L.header / 120
-  ctx.fillStyle = INK
-  ctx.font = `bold ${Math.round(40 * unit)}px sans-serif`
-  ctx.textBaseline = 'middle'
-  ctx.fillText('豆维 · 拼豆图纸', L.pad, L.pad * 0.6 + L.header * 0.36)
-  ctx.font = `${Math.round(22 * unit)}px sans-serif`
-  ctx.fillStyle = MUTED
-  ctx.fillText(fitText(ctx, meta, L.width - L.pad * 2), L.pad, L.pad * 0.6 + L.header * 0.74)
-  ctx.textBaseline = 'alphabetic'
-  const x0 = L.pad + L.axis
-  const y0 = L.header + L.pad * 0.6 + L.axis
-  const region = { col: 0, row: 0, cols: artwork.size, rows: artwork.size }
-  drawBeads(ctx, artwork, { x0, y0, cell, style, region })
-  if (cell >= 16) drawCodes(ctx, artwork, { x0, y0, cell, style, region })
-  if (grid.enabled) drawGrid(ctx, { x0, y0, cell, region, interval: grid.interval, color: grid.color, opacity: grid.opacity })
-  return L
-}
-
-// —— 作品信息页（A4 比例，可分页）——
-function buildInfoPages({ artwork, width, text, paletteLabel, mpCode, thumbnail }) {
-  const height = Math.round(width * 297 / 210)
-  const u = width / 1600
-  const pad = 96 * u
-  const colors = artwork.usage.slice().sort((a, b) => a.id.localeCompare(b.id, undefined, { numeric: true }))
-  const columns = 4
-  const gap = 24 * u
-  const cardW = (width - pad * 2 - gap * (columns - 1)) / columns
-  const cardH = 124 * u
-  const headerH = 300 * u
-  // 缩略图区：headerH+64 起，高 400；清单标题与说明各占一行，避免与上方重叠
-  const listTitleY = headerH + 64 * u + 400 * u + 96 * u
-  const firstTop = listTitleY + 88 * u
-  const nextTop = 200 * u
-  const bottom = height - 110 * u
-  const rowsFirst = Math.max(1, Math.floor((bottom - firstTop + gap) / (cardH + gap)))
-  const rowsNext = Math.max(1, Math.floor((bottom - nextTop + gap) / (cardH + gap)))
-  const pages = []
-  let rest = colors.length
-  let first = true
-  do {
-    const take = Math.min(rest, (first ? rowsFirst : rowsNext) * columns)
-    pages.push(take)
-    rest -= take
-    first = false
-  } while (rest > 0)
-
-  const drawCard = (ctx, color, x, y) => {
-    ctx.fillStyle = '#ffffff'
-    ctx.beginPath(); roundRectPath(ctx, x, y, cardW, cardH, 18 * u); ctx.fill()
-    ctx.strokeStyle = '#e7e2d8'; ctx.lineWidth = 2 * u; ctx.stroke()
-    const sw = 76 * u
-    ctx.fillStyle = color.hex
-    ctx.beginPath(); ctx.arc(x + 24 * u + sw / 2, y + cardH / 2, sw / 2, 0, Math.PI * 2); ctx.fill()
-    ctx.strokeStyle = 'rgba(0,0,0,0.12)'; ctx.stroke()
-    ctx.fillStyle = INK
-    ctx.font = `bold ${Math.round(34 * u)}px sans-serif`
-    ctx.fillText(color.id, x + 24 * u + sw + 20 * u, y + 56 * u)
-    ctx.fillStyle = BRAND
-    ctx.font = `${Math.round(26 * u)}px sans-serif`
-    ctx.fillText(`${color.count} 颗`, x + 24 * u + sw + 20 * u, y + 96 * u)
-  }
-
-  const draw = (ctx, page) => {
-    ctx.textAlign = 'start'
-    ctx.textBaseline = 'alphabetic'
-    ctx.fillStyle = '#fbfaf7'
-    ctx.fillRect(0, 0, width, height)
-    let top = nextTop
-    if (page === 0) {
-      ctx.fillStyle = INK
-      ctx.fillRect(0, 0, width, headerH)
-      ctx.fillStyle = '#ffffff'
-      ctx.font = `bold ${Math.round(62 * u)}px sans-serif`
-      ctx.fillText('豆维 · 作品信息与用豆清单', pad, 132 * u)
-      ctx.fillStyle = '#9fd3c7'
-      ctx.font = `${Math.round(28 * u)}px sans-serif`
-      ctx.fillText('照着清单备豆，照着图纸拼，拼完用微信扫一扫', pad, 200 * u)
-      if (mpCode) {
-        const s = 200 * u
-        const x = width - pad - s
-        const y = (headerH - s) / 2
-        ctx.fillStyle = '#ffffff'
-        ctx.beginPath(); roundRectPath(ctx, x - 10 * u, y - 10 * u, s + 20 * u, s + 20 * u, 20 * u); ctx.fill()
-        ctx.drawImage(mpCode, x, y, s, s)
-      }
-      // 缩略图 + 参数
-      const thumbS = 400 * u
-      const ty = headerH + 64 * u
-      if (thumbnail) {
-        ctx.fillStyle = '#ffffff'
-        ctx.beginPath(); roundRectPath(ctx, pad, ty, thumbS, thumbS, 24 * u); ctx.fill()
-        const inner = thumbS - 32 * u
-        const cell = inner / artwork.size
-        drawBeads(ctx, artwork, { x0: pad + 16 * u, y0: ty + 16 * u, cell, style: 'square' })
-      }
-      const mx = thumbnail ? pad + thumbS + 56 * u : pad
-      const rows = [
-        ['扫码内容', text],
-        ['作品尺寸', `${artwork.size} × ${artwork.size} 格`],
-        ['用豆总数', `${artwork.beads.toLocaleString()} 颗 · ${artwork.usage.length} 个色号`],
-        ['二维码', `${artwork.qr.size} × ${artwork.qr.size} 格 · 纠错 ${artwork.qr.level}`],
-        ['色库', paletteLabel],
-      ]
-      rows.forEach(([k, v], idx) => {
-        const y = ty + 52 * u + idx * 74 * u
-        ctx.fillStyle = MUTED
-        ctx.font = `${Math.round(26 * u)}px sans-serif`
-        ctx.fillText(k, mx, y)
-        ctx.fillStyle = INK
-        ctx.font = `bold ${Math.round(28 * u)}px sans-serif`
-        ctx.fillText(fitText(ctx, v, width - pad - mx - 150 * u), mx + 150 * u, y)
-      })
-      ctx.fillStyle = INK
-      ctx.font = `bold ${Math.round(42 * u)}px sans-serif`
-      ctx.fillText('用豆清单', pad, listTitleY)
-      ctx.fillStyle = MUTED
-      ctx.font = `${Math.round(24 * u)}px sans-serif`
-      ctx.fillText('按色号排序 · 建议每色多备 5% 以防掉落', pad, listTitleY + 44 * u)
-      top = firstTop
-    } else {
-      ctx.fillStyle = INK
-      ctx.font = `bold ${Math.round(36 * u)}px sans-serif`
-      ctx.fillText(`用豆清单（续 ${page + 1}/${pages.length}）`, pad, 120 * u)
-    }
-    const offset = pages.slice(0, page).reduce((s, v) => s + v, 0)
-    for (let i = 0; i < pages[page]; i += 1) {
-      const col = i % columns
-      const row = Math.floor(i / columns)
-      drawCard(ctx, colors[offset + i], pad + col * (cardW + gap), top + row * (cardH + gap))
-    }
-    ctx.fillStyle = '#a3aaa5'
-    ctx.font = `${Math.round(22 * u)}px sans-serif`
-    ctx.fillText(`豆维 · 可扫码的拼豆   第 ${page + 1} / ${pages.length} 页`, pad, height - 56 * u)
-  }
-  return { width, height, pageCount: pages.length, draw }
-}
-
-// 轻度斜向平铺水印
-function drawWatermark(ctx, w, h, text) {
-  const value = String(text || '').trim()
-  if (!value) return
-  const fontSize = Math.max(18, Math.round(w * 0.018))
-  const stepX = Math.max(fontSize * value.length * 1.6, w / 4)
-  const stepY = Math.max(fontSize * 6, w / 6)
-  ctx.save()
-  ctx.globalAlpha = 0.08
-  ctx.fillStyle = INK
-  ctx.font = `${fontSize}px sans-serif`
-  ctx.textAlign = 'center'
-  ctx.textBaseline = 'middle'
-  ctx.translate(w / 2, h / 2)
-  ctx.rotate(-Math.PI / 9)
-  const r = Math.hypot(w, h) / 2
-  for (let y = -r; y <= r; y += stepY) for (let x = -r; x <= r; x += stepX) ctx.fillText(value, x, y)
-  ctx.restore()
-}
-
-module.exports = {
-  BOARD,
-  drawBeads,
-  drawCodes,
-  drawGrid,
-  renderPreview,
-  patternPageLayout,
-  drawPatternPage,
-  buildInfoPages,
-  drawWatermark,
-}

BeadQR/miniprogram/utils/pdf.js

@@ -1,373 +0,0 @@
-// 轻量 PDF 生成器（无依赖）
-//  - 图纸页为纯矢量：珠子、色号、网格都是矢量指令，任意放大都清晰，文件小、生成快
-//  - 中文（页眉、信息页）以 JPEG 图片嵌入
-//  - 支持 1-bit 蒙版图片（用于矢量页上的半透明水印）
-
-const A4 = { w: 595.28, h: 841.89 }
-
-// Helvetica / Helvetica-Bold 字宽（AFM，1/1000 em），色号只含 A-Z 0-9
-const W_BOLD = { ' ': 278, '-': 333, '/': 278 }
-const W_REG = { ' ': 278, '-': 333, '/': 278 }
-'0123456789'.split('').forEach((c) => { W_BOLD[c] = 556; W_REG[c] = 556 })
-const UPPER_BOLD = [722, 722, 722, 722, 667, 611, 778, 722, 278, 556, 722, 611, 833, 722, 778, 667, 778, 722, 667, 611, 722, 667, 944, 667, 667, 611]
-const UPPER_REG = [667, 667, 722, 722, 667, 611, 778, 722, 278, 500, 667, 556, 833, 722, 778, 667, 778, 722, 667, 611, 722, 667, 944, 667, 667, 611]
-for (let i = 0; i < 26; i += 1) {
-  W_BOLD[String.fromCharCode(65 + i)] = UPPER_BOLD[i]
-  W_REG[String.fromCharCode(65 + i)] = UPPER_REG[i]
-}
-function textWidth(text, size, bold = true) {
-  const table = bold ? W_BOLD : W_REG
-  let w = 0
-  for (let i = 0; i < text.length; i += 1) w += table[text[i]] || 556
-  return (w / 1000) * size
-}
-
-const n2 = (v) => (Math.round(v * 100) / 100).toString()
-const esc = (s) => String(s).replace(/[\\()]/g, (m) => `\\${m}`).replace(/[^\x20-\x7e]/g, '?')
-
-function ascii(text) {
-  const out = new Uint8Array(text.length)
-  for (let i = 0; i < text.length; i += 1) out[i] = text.charCodeAt(i) & 0xff
-  return out
-}
-
-class PdfDoc {
-  constructor() {
-    this.objects = [null, null, null] // 1: Catalog, 2: Pages（0 号占位）
-    this.pageIds = []
-    this.fontRegular = this.add(['<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica /Encoding /WinAnsiEncoding >>'])
-    this.fontBold = this.add(['<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica-Bold /Encoding /WinAnsiEncoding >>'])
-    this.forms = {}
-    this.gstates = {}
-  }
-
-  add(parts) {
-    this.objects.push(parts)
-    return this.objects.length - 1
-  }
-
-  stream(dict, data) {
-    const bytes = typeof data === 'string' ? ascii(data) : new Uint8Array(data)
-    return this.add([`<< ${dict} /Length ${bytes.length} >>\nstream\n`, bytes, '\nendstream'])
-  }
-
-  addJpeg(buffer, width, height) {
-    return this.stream(`/Type /XObject /Subtype /Image /Width ${width} /Height ${height} /ColorSpace /DeviceRGB /BitsPerComponent 8 /Filter /DCTDecode`, buffer)
-  }
-
-  // bits：每行按字节对齐，0 = 绘制
-  addImageMask(bits, width, height) {
-    return this.stream(`/Type /XObject /Subtype /Image /Width ${width} /Height ${height} /ImageMask true /BitsPerComponent 1`, bits)
-  }
-
-  // 单位圆（直径 1）表单：不设颜色，继承外部填充色
-  form(kind) {
-    if (this.forms[kind]) return this.forms[kind]
-    const k = 0.5523
-    const circle = (r) => {
-      const c = r * k
-      return `${n2(0.5 + r)} 0.5 m ${n2(0.5 + r)} ${n2(0.5 + c)} ${n2(0.5 + c)} ${n2(0.5 + r)} 0.5 ${n2(0.5 + r)} c `
-        + `${n2(0.5 - c)} ${n2(0.5 + r)} ${n2(0.5 - r)} ${n2(0.5 + c)} ${n2(0.5 - r)} 0.5 c `
-        + `${n2(0.5 - r)} ${n2(0.5 - c)} ${n2(0.5 - c)} ${n2(0.5 - r)} 0.5 ${n2(0.5 - r)} c `
-        + `${n2(0.5 + c)} ${n2(0.5 - r)} ${n2(0.5 + r)} ${n2(0.5 - c)} ${n2(0.5 + r)} 0.5 c h `
-    }
-    let body
-    if (kind === 'round') body = `${circle(0.46)}f`
-    else if (kind === 'hollow') body = `${circle(0.46)}${circle(0.2)}f*`
-    else body = `${circle(0.14)}f` // peg 空钉位
-    const id = this.stream('/Type /XObject /Subtype /Form /BBox [0 0 1 1]', body)
-    this.forms[kind] = id
-    return id
-  }
-
-  gstate(alpha) {
-    const key = String(alpha)
-    if (!this.gstates[key]) this.gstates[key] = this.add([`<< /Type /ExtGState /ca ${alpha} /CA ${alpha} >>`])
-    return this.gstates[key]
-  }
-
-  addPage(content, { images = {} } = {}) {
-    const contentId = this.stream('', content)
-    const xobjects = Object.assign({}, images)
-    Object.keys(this.forms).forEach((k) => { xobjects[`Fm_${k}`] = this.forms[k] })
-    const xo = Object.keys(xobjects).map((k) => `/${k} ${xobjects[k]} 0 R`).join(' ')
-    const gs = Object.keys(this.gstates).map((k) => `/GS${k.replace('.', '_')} ${this.gstates[k]} 0 R`).join(' ')
-    const id = this.add([`<< /Type /Page /Parent 2 0 R /MediaBox [0 0 ${A4.w} ${A4.h}] /Resources << /ProcSet [/PDF /Text /ImageB /ImageC] /Font << /F1 ${this.fontRegular} 0 R /F2 ${this.fontBold} 0 R >> /XObject << ${xo} >> /ExtGState << ${gs} >> >> /Contents ${contentId} 0 R >>`])
-    this.pageIds.push(id)
-    return id
-  }
-
-  build() {
-    this.objects[1] = ['<< /Type /Catalog /Pages 2 0 R >>']
-    this.objects[2] = [`<< /Type /Pages /Kids [${this.pageIds.map((id) => `${id} 0 R`).join(' ')}] /Count ${this.pageIds.length} >>`]
-    const chunks = []
-    let pos = 0
-    const push = (part) => {
-      const bytes = typeof part === 'string' ? ascii(part) : part
-      chunks.push(bytes)
-      pos += bytes.length
-    }
-    push('%PDF-1.4\n%\xe2\xe3\xcf\xd3\n')
-    const offsets = []
-    for (let id = 1; id < this.objects.length; id += 1) {
-      offsets[id] = pos
-      push(`${id} 0 obj\n`)
-      this.objects[id].forEach(push)
-      push('\nendobj\n')
-    }
-    const xref = pos
-    let table = `xref\n0 ${this.objects.length}\n0000000000 65535 f \n`
-    for (let id = 1; id < this.objects.length; id += 1) table += `${String(offsets[id]).padStart(10, '0')} 00000 n \n`
-    push(table)
-    push(`trailer\n<< /Size ${this.objects.length} /Root 1 0 R >>\nstartxref\n${xref}\n%%EOF\n`)
-    const out = new Uint8Array(pos)
-    let cursor = 0
-    chunks.forEach((c) => { out.set(c, cursor); cursor += c.length })
-    return out.buffer
-  }
-}
-
-// —— 矢量图纸 ——
-// 使用“左上角原点、y 向下”的坐标系（页面开头统一翻转），文字与图片局部再翻回来
-
-function hexToPdf(hex) {
-  const v = parseInt(hex.slice(1), 16)
-  return `${n2(((v >> 16) & 255) / 255)} ${n2(((v >> 8) & 255) / 255)} ${n2((v & 255) / 255)}`
-}
-
-function lumaOf(hex) {
-  const v = parseInt(hex.slice(1), 16)
-  return (((v >> 16) & 255) * 0.299 + ((v >> 8) & 255) * 0.587 + (v & 255) * 0.114) / 255
-}
-
-function vectorSheet(doc, artwork, { x0, y0, cell, region, style, codes, grid }) {
-  const { size, cells, pal } = artwork
-  const out = []
-  out.push(`${hexToPdf('#f1eee7')} rg ${n2(x0)} ${n2(y0)} ${n2(region.cols * cell)} ${n2(region.rows * cell)} re f`)
-  const groups = new Map()
-  const empty = []
-  for (let y = region.row; y < region.row + region.rows; y += 1) {
-    for (let x = region.col; x < region.col + region.cols; x += 1) {
-      const c = cells[y * size + x]
-      const px = x0 + (x - region.col) * cell
-      const py = y0 + (y - region.row) * cell
-      if (c < 0) { empty.push([px, py]); continue }
-      if (!groups.has(c)) groups.set(c, [])
-      groups.get(c).push([px, py])
-    }
-  }
-  if (empty.length) {
-    doc.form('peg')
-    out.push(`${hexToPdf('#d9d3c7')} rg`)
-    empty.forEach(([x, y]) => out.push(`q ${n2(cell)} 0 0 ${n2(cell)} ${n2(x)} ${n2(y)} cm /Fm_peg Do Q`))
-  }
-  if (style !== 'square') doc.form(style)
-  groups.forEach((list, c) => {
-    out.push(`${hexToPdf(pal.hexes[c])} rg`)
-    if (style === 'square') {
-      // 略微外扩 0.05pt 消除阅读器抗锯齿造成的白缝
-      list.forEach(([x, y]) => out.push(`${n2(x - 0.05)} ${n2(y - 0.05)} ${n2(cell + 0.1)} ${n2(cell + 0.1)} re`))
-      out.push('f')
-    } else {
-      list.forEach(([x, y]) => out.push(`q ${n2(cell)} 0 0 ${n2(cell)} ${n2(x)} ${n2(y)} cm /Fm_${style} Do Q`))
-    }
-  })
-  if (codes) {
-    const fs = cell * (style === 'hollow' ? 0.27 : 0.34)
-    const writeGroup = (ink) => {
-      const lines = []
-      groups.forEach((list, c) => {
-        const useInk = style === 'hollow' || lumaOf(pal.hexes[c]) > 0.56
-        if (useInk !== ink) return
-        const id = pal.ids[c]
-        const tw = textWidth(id, fs)
-        list.forEach(([x, y]) => lines.push(`1 0 0 -1 ${n2(x + (cell - tw) / 2)} ${n2(y + cell / 2 + fs * 0.35)} Tm (${id}) Tj`))
-      })
-      if (!lines.length) return
-      out.push(`${ink ? hexToPdf('#1d2b2a') : '1 1 1'} rg BT /F2 ${n2(fs)} Tf`)
-      out.push(...lines)
-      out.push('ET')
-    }
-    writeGroup(true)
-    writeGroup(false)
-  }
-  if (grid && grid.enabled) {
-    const w = region.cols * cell
-    const h = region.rows * cell
-    const color = hexToPdf(grid.color)
-    const alpha = grid.opacity / 100
-    const thin = []
-    for (let i = 0; i <= region.cols; i += 1) thin.push(`${n2(x0 + i * cell)} ${n2(y0)} m ${n2(x0 + i * cell)} ${n2(y0 + h)} l`)
-    for (let i = 0; i <= region.rows; i += 1) thin.push(`${n2(x0)} ${n2(y0 + i * cell)} m ${n2(x0 + w)} ${n2(y0 + i * cell)} l`)
-    doc.gstate(Math.round(alpha * 30) / 100)
-    doc.gstate(alpha)
-    out.push(`q /GS${String(Math.round(alpha * 30) / 100).replace('.', '_')} gs ${color} RG ${n2(Math.max(0.2, cell * 0.02))} w`, ...thin, 'S Q')
-    const thick = []
-    for (let i = 0; i <= region.cols; i += 1) {
-      const g = region.col + i
-      if (g % grid.interval && i && i !== region.cols) continue
-      thick.push(`${n2(x0 + i * cell)} ${n2(y0)} m ${n2(x0 + i * cell)} ${n2(y0 + h)} l`)
-    }
-    for (let i = 0; i <= region.rows; i += 1) {
-      const g = region.row + i
-      if (g % grid.interval && i && i !== region.rows) continue
-      thick.push(`${n2(x0)} ${n2(y0 + i * cell)} m ${n2(x0 + w)} ${n2(y0 + i * cell)} l`)
-    }
-    out.push(`q /GS${String(alpha).replace('.', '_')} gs ${color} RG ${n2(Math.max(0.6, cell * 0.06))} w`, ...thick, 'S Q')
-    // 坐标数字
-    const fs = Math.min(7, Math.max(4, cell * 0.42))
-    const step = cell < 8 ? grid.interval : (cell < 13 ? 5 : 1)
-    const labels = []
-    for (let i = 0; i < region.cols; i += 1) {
-      const g = region.col + i + 1
-      if (g % step && g !== 1 && i !== 0) continue
-      const t = String(g)
-      labels.push(`1 0 0 -1 ${n2(x0 + (i + 0.5) * cell - textWidth(t, fs, false) / 2)} ${n2(y0 - fs * 0.5)} Tm (${t}) Tj`)
-    }
-    for (let i = 0; i < region.rows; i += 1) {
-      const g = region.row + i + 1
-      if (g % step && g !== 1 && i !== 0) continue
-      const t = String(g)
-      labels.push(`1 0 0 -1 ${n2(x0 - textWidth(t, fs, false) - fs * 0.4)} ${n2(y0 + (i + 0.5) * cell + fs * 0.35)} Tm (${t}) Tj`)
-    }
-    out.push(`${color} rg BT /F1 ${n2(fs)} Tf`, ...labels, 'ET')
-  }
-  return out.join('\n')
-}
-
-// 页眉图片 + 水印蒙版的放置
-function imageCmd(name, x, y, w, h) {
-  return `q ${n2(w)} 0 0 ${n2(-h)} ${n2(x)} ${n2(y + h)} cm /${name} Do Q`
-}
-
-function watermarkCmd(mask) {
-  if (!mask) return ''
-  const h = 16
-  const w = h * mask.width / mask.height
-  const out = [`q /GS0_08 gs ${hexToPdf('#1d2b2a')} rg`]
-  const stepX = w + 90
-  const stepY = 120
-  for (let row = 0, y = -200; y < A4.h + 200; y += stepY, row += 1) {
-    for (let x = -200; x < A4.w + 200; x += stepX) {
-      // 旋转 -20°：cos=0.94 sin=0.342；y 轴已翻转，所以蒙版局部再翻回
-      out.push(`q 0.94 -0.342 0.342 0.94 ${n2(x + (row % 2) * stepX / 2)} ${n2(y)} cm ${n2(w)} 0 0 ${n2(-h)} 0 ${n2(h)} cm /WM Do Q`)
-    }
-  }
-  out.push('Q')
-  return out.join('\n')
-}
-
-const MARGIN = 28.35 // 10mm
-const HEADER_H = 34
-
-const AXIS = 14
-const TARGET_CELL = 18 // 约 6.4mm/格，打印后色号清晰可读
-const AREA_W = A4.w - MARGIN * 2
-const AREA_H = A4.h - MARGIN * 2 - HEADER_H
-
-/**
- * 规划图纸页：小图一页搞定；大图 = 总览页 + 若干分块页
- * 返回 { tiled, fitCell, tilesX, tilesY, tileCols, tileRows, pages: [{ kind, tile, region }] }
- */
-function planPatternPages(size) {
-  const fitCell = Math.min((AREA_W - AXIS) / size, (AREA_H - AXIS) / size)
-  const tiled = fitCell < 11
-  const full = { col: 0, row: 0, cols: size, rows: size }
-  const pages = [{ kind: 'overview', tile: 0, region: full }]
-  let tilesX = 1
-  let tilesY = 1
-  let tileCols = size
-  let tileRows = size
-  if (tiled) {
-    tilesX = Math.ceil(size / Math.floor((AREA_W - AXIS) / TARGET_CELL))
-    tilesY = Math.ceil(size / Math.floor((AREA_H - AXIS) / TARGET_CELL))
-    tileCols = Math.ceil(size / tilesX)
-    tileRows = Math.ceil(size / tilesY)
-    let n = 1
-    for (let ty = 0; ty < tilesY; ty += 1) {
-      for (let tx = 0; tx < tilesX; tx += 1) {
-        const col = tx * tileCols
-        const row = ty * tileRows
-        if (col >= size || row >= size) continue
-        pages.push({ kind: 'tile', tile: n, region: { col, row, cols: Math.min(tileCols, size - col), rows: Math.min(tileRows, size - row) } })
-        n += 1
-      }
-    }
-  }
-  return { tiled, fitCell, tilesX, tilesY, tileCols, tileRows, pages }
-}
-
-/**
- * 生成图纸页（矢量）。
- * opts: { plan, headers: [{ id, width, height }]（按页序）, style, grid, watermark }
- */
-function addPatternPages(doc, artwork, opts) {
-  const size = artwork.size
-  const plan = opts.plan || planPatternPages(size)
-  const headers = opts.headers || []
-  const flip = `1 0 0 -1 0 ${A4.h} cm`
-  const wm = opts.watermark ? watermarkCmd(opts.watermark) : ''
-  if (opts.watermark) doc.gstate(0.08)
-  if (plan.tiled) doc.gstate(0.85)
-  const images = (header) => {
-    const map = {}
-    if (header) map.HD = header.id
-    if (opts.watermark) map.WM = opts.watermark.id
-    return map
-  }
-  const headerCmd = (header) => (header ? imageCmd('HD', MARGIN, MARGIN, AREA_W, AREA_W * header.height / header.width) : '')
-
-  plan.pages.forEach((page, i) => {
-    const header = headers[i] || null
-    const content = [flip, headerCmd(header)]
-    if (page.kind === 'overview') {
-      const fitCell = plan.fitCell
-      const gridW = fitCell * size
-      const x0 = MARGIN + AXIS + (AREA_W - AXIS - gridW) / 2
-      const y0 = MARGIN + HEADER_H + AXIS
-      content.push(vectorSheet(doc, artwork, {
-        x0, y0, cell: fitCell, region: page.region, style: opts.style, codes: !plan.tiled, grid: opts.grid,
-      }))
-      if (plan.tiled) {
-        const lines = [`q ${hexToPdf('#e11d48')} RG 1.2 w`]
-        const labels = []
-        plan.pages.forEach((tp) => {
-          if (tp.kind !== 'tile') return
-          const r = tp.region
-          const cx = x0 + r.col * fitCell
-          const cy = y0 + r.row * fitCell
-          const cw = r.cols * fitCell
-          const ch = r.rows * fitCell
-          lines.push(`${n2(cx)} ${n2(cy)} ${n2(cw)} ${n2(ch)} re S`)
-          const t = String(tp.tile)
-          labels.push(`1 0 0 -1 ${n2(cx + cw / 2 - textWidth(t, 22) / 2)} ${n2(cy + ch / 2 + 8)} Tm (${t}) Tj`)
-        })
-        lines.push('Q')
-        content.push(lines.join('\n'))
-        content.push(`q /GS0_85 gs ${hexToPdf('#e11d48')} rg BT /F2 22 Tf\n${labels.join('\n')}\nET Q`)
-      }
-    } else {
-      const cell = Math.min((AREA_W - AXIS) / plan.tileCols, (AREA_H - AXIS) / plan.tileRows)
-      content.push(vectorSheet(doc, artwork, {
-        x0: MARGIN + AXIS, y0: MARGIN + HEADER_H + AXIS, cell, region: page.region, style: opts.style, codes: true, grid: opts.grid,
-      }))
-    }
-    content.push(wm)
-    doc.addPage(content.join('\n'), { images: images(header) })
-  })
-  return plan.pages.length
-}
-
-// 整页图片（信息页）
-function addImagePage(doc, jpegId, pixelW, pixelH) {
-  const areaW = A4.w - MARGIN * 2
-  const areaH = A4.h - MARGIN * 2
-  const scale = Math.min(areaW / pixelW, areaH / pixelH)
-  const w = pixelW * scale
-  const h = pixelH * scale
-  const x = (A4.w - w) / 2
-  const y = (A4.h - h) / 2
-  doc.addPage(`1 0 0 -1 0 ${A4.h} cm\n${imageCmd('IM', x, y, w, h)}`, { images: { IM: jpegId } })
-}
-
-module.exports = { A4, PdfDoc, planPatternPages, addPatternPages, addImagePage, vectorSheet, textWidth, HEADER_H, MARGIN }

BeadQR/miniprogram/utils/qr.js

@@ -1,58 +0,0 @@
-// 二维码生成、功能区识别与摆放
-const QRCodeCore = require('./qrcore/qrcode')
-const AlignmentPattern = require('./qrcore/alignment-pattern')
-
-const SAMPLE_TEXT = '豆维·可扫码的拼豆'
-
-// 功能区（定位/时序/对齐/格式/版本）直接决定能否扫出，配色时强制高对比
-function buildFunctionMask(size, version) {
-  const mask = new Uint8Array(size * size)
-  const mark = (x, y) => { if (x >= 0 && y >= 0 && x < size && y < size) mask[y * size + x] = 1 }
-  for (let y = 0; y < size; y += 1) {
-    for (let x = 0; x < size; x += 1) {
-      const finder = (x <= 8 && y <= 8) || (x >= size - 8 && y <= 8) || (x <= 8 && y >= size - 8)
-      if (finder || x === 6 || y === 6) mark(x, y)
-    }
-  }
-  const positions = AlignmentPattern.getPositions(version) || []
-  positions.forEach(([row, col]) => {
-    for (let dy = -2; dy <= 2; dy += 1) for (let dx = -2; dx <= 2; dx += 1) mark(col + dx, row + dy)
-  })
-  if (version >= 7) {
-    for (let i = 0; i < 6; i += 1) {
-      for (let j = size - 11; j < size - 8; j += 1) { mark(i, j); mark(j, i) }
-    }
-  }
-  return mask
-}
-
-function makeQr(text, level) {
-  const value = String(text || '').trim() || SAMPLE_TEXT
-  const qr = QRCodeCore.create(value, { errorCorrectionLevel: level || 'H' })
-  const size = qr.modules.size
-  const version = qr.version || Math.round((size - 17) / 4)
-  return {
-    size,
-    version,
-    level: level || 'H',
-    dark: Uint8Array.from(qr.modules.data),
-    func: buildFunctionMask(size, version),
-    isSample: !String(text || '').trim(),
-  }
-}
-
-// scale：二维码占整张作品边长的百分比；quiet：二维码四周留白格数
-function createPlacement(qrSize, { scale = 100, posX = 50, posY = 50, quiet = 0, hasImage = true } = {}) {
-  const block = qrSize + quiet * 2
-  const size = hasImage ? Math.max(block, Math.ceil(block * 100 / scale)) : block
-  const free = size - block
-  return {
-    size,
-    left: quiet + Math.round(free * posX / 100),
-    top: quiet + Math.round(free * posY / 100),
-    quiet,
-    scale: hasImage ? scale : 100,
-  }
-}
-
-module.exports = { SAMPLE_TEXT, makeQr, createPlacement }

BeadQR/miniprogram/utils/qrcore/alignment-pattern.js

@@ -1,83 +0,0 @@
-/**
- * Alignment pattern are fixed reference pattern in defined positions
- * in a matrix symbology, which enables the decode software to re-synchronise
- * the coordinate mapping of the image modules in the event of moderate amounts
- * of distortion of the image.
- *
- * Alignment patterns are present only in QR Code symbols of version 2 or larger
- * and their number depends on the symbol version.
- */
-
-const getSymbolSize = require('./utils').getSymbolSize
-
-/**
- * Calculate the row/column coordinates of the center module of each alignment pattern
- * for the specified QR Code version.
- *
- * The alignment patterns are positioned symmetrically on either side of the diagonal
- * running from the top left corner of the symbol to the bottom right corner.
- *
- * Since positions are simmetrical only half of the coordinates are returned.
- * Each item of the array will represent in turn the x and y coordinate.
- * @see {@link getPositions}
- *
- * @param  {Number} version QR Code version
- * @return {Array}          Array of coordinate
- */
-exports.getRowColCoords = function getRowColCoords (version) {
-  if (version === 1) return []
-
-  const posCount = Math.floor(version / 7) + 2
-  const size = getSymbolSize(version)
-  const intervals = size === 145 ? 26 : Math.ceil((size - 13) / (2 * posCount - 2)) * 2
-  const positions = [size - 7] // Last coord is always (size - 7)
-
-  for (let i = 1; i < posCount - 1; i++) {
-    positions[i] = positions[i - 1] - intervals
-  }
-
-  positions.push(6) // First coord is always 6
-
-  return positions.reverse()
-}
-
-/**
- * Returns an array containing the positions of each alignment pattern.
- * Each array's element represent the center point of the pattern as (x, y) coordinates
- *
- * Coordinates are calculated expanding the row/column coordinates returned by {@link getRowColCoords}
- * and filtering out the items that overlaps with finder pattern
- *
- * @example
- * For a Version 7 symbol {@link getRowColCoords} returns values 6, 22 and 38.
- * The alignment patterns, therefore, are to be centered on (row, column)
- * positions (6,22), (22,6), (22,22), (22,38), (38,22), (38,38).
- * Note that the coordinates (6,6), (6,38), (38,6) are occupied by finder patterns
- * and are not therefore used for alignment patterns.
- *
- * let pos = getPositions(7)
- * // [[6,22], [22,6], [22,22], [22,38], [38,22], [38,38]]
- *
- * @param  {Number} version QR Code version
- * @return {Array}          Array of coordinates
- */
-exports.getPositions = function getPositions (version) {
-  const coords = []
-  const pos = exports.getRowColCoords(version)
-  const posLength = pos.length
-
-  for (let i = 0; i < posLength; i++) {
-    for (let j = 0; j < posLength; j++) {
-      // Skip if position is occupied by finder patterns
-      if ((i === 0 && j === 0) || // top-left
-          (i === 0 && j === posLength - 1) || // bottom-left
-          (i === posLength - 1 && j === 0)) { // top-right
-        continue
-      }
-
-      coords.push([pos[i], pos[j]])
-    }
-  }
-
-  return coords
-}

BeadQR/miniprogram/utils/qrcore/alphanumeric-data.js

@@ -1,59 +0,0 @@
-const Mode = require('./mode')
-
-/**
- * Array of characters available in alphanumeric mode
- *
- * As per QR Code specification, to each character
- * is assigned a value from 0 to 44 which in this case coincides
- * with the array index
- *
- * @type {Array}
- */
-const ALPHA_NUM_CHARS = [
-  '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
-  'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
-  'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
-  ' ', '$', '%', '*', '+', '-', '.', '/', ':'
-]
-
-function AlphanumericData (data) {
-  this.mode = Mode.ALPHANUMERIC
-  this.data = data
-}
-
-AlphanumericData.getBitsLength = function getBitsLength (length) {
-  return 11 * Math.floor(length / 2) + 6 * (length % 2)
-}
-
-AlphanumericData.prototype.getLength = function getLength () {
-  return this.data.length
-}
-
-AlphanumericData.prototype.getBitsLength = function getBitsLength () {
-  return AlphanumericData.getBitsLength(this.data.length)
-}
-
-AlphanumericData.prototype.write = function write (bitBuffer) {
-  let i
-
-  // Input data characters are divided into groups of two characters
-  // and encoded as 11-bit binary codes.
-  for (i = 0; i + 2 <= this.data.length; i += 2) {
-    // The character value of the first character is multiplied by 45
-    let value = ALPHA_NUM_CHARS.indexOf(this.data[i]) * 45
-
-    // The character value of the second digit is added to the product
-    value += ALPHA_NUM_CHARS.indexOf(this.data[i + 1])
-
-    // The sum is then stored as 11-bit binary number
-    bitBuffer.put(value, 11)
-  }
-
-  // If the number of input data characters is not a multiple of two,
-  // the character value of the final character is encoded as a 6-bit binary number.
-  if (this.data.length % 2) {
-    bitBuffer.put(ALPHA_NUM_CHARS.indexOf(this.data[i]), 6)
-  }
-}
-
-module.exports = AlphanumericData

BeadQR/miniprogram/utils/qrcore/bit-buffer.js

@@ -1,37 +0,0 @@
-function BitBuffer () {
-  this.buffer = []
-  this.length = 0
-}
-
-BitBuffer.prototype = {
-
-  get: function (index) {
-    const bufIndex = Math.floor(index / 8)
-    return ((this.buffer[bufIndex] >>> (7 - index % 8)) & 1) === 1
-  },
-
-  put: function (num, length) {
-    for (let i = 0; i < length; i++) {
-      this.putBit(((num >>> (length - i - 1)) & 1) === 1)
-    }
-  },
-
-  getLengthInBits: function () {
-    return this.length
-  },
-
-  putBit: function (bit) {
-    const bufIndex = Math.floor(this.length / 8)
-    if (this.buffer.length <= bufIndex) {
-      this.buffer.push(0)
-    }
-
-    if (bit) {
-      this.buffer[bufIndex] |= (0x80 >>> (this.length % 8))
-    }
-
-    this.length++
-  }
-}
-
-module.exports = BitBuffer

BeadQR/miniprogram/utils/qrcore/bit-matrix.js

@@ -1,65 +0,0 @@
-/**
- * Helper class to handle QR Code symbol modules
- *
- * @param {Number} size Symbol size
- */
-function BitMatrix (size) {
-  if (!size || size < 1) {
-    throw new Error('BitMatrix size must be defined and greater than 0')
-  }
-
-  this.size = size
-  this.data = new Uint8Array(size * size)
-  this.reservedBit = new Uint8Array(size * size)
-}
-
-/**
- * Set bit value at specified location
- * If reserved flag is set, this bit will be ignored during masking process
- *
- * @param {Number}  row
- * @param {Number}  col
- * @param {Boolean} value
- * @param {Boolean} reserved
- */
-BitMatrix.prototype.set = function (row, col, value, reserved) {
-  const index = row * this.size + col
-  this.data[index] = value
-  if (reserved) this.reservedBit[index] = true
-}
-
-/**
- * Returns bit value at specified location
- *
- * @param  {Number}  row
- * @param  {Number}  col
- * @return {Boolean}
- */
-BitMatrix.prototype.get = function (row, col) {
-  return this.data[row * this.size + col]
-}
-
-/**
- * Applies xor operator at specified location
- * (used during masking process)
- *
- * @param {Number}  row
- * @param {Number}  col
- * @param {Boolean} value
- */
-BitMatrix.prototype.xor = function (row, col, value) {
-  this.data[row * this.size + col] ^= value
-}
-
-/**
- * Check if bit at specified location is reserved
- *
- * @param {Number}   row
- * @param {Number}   col
- * @return {Boolean}
- */
-BitMatrix.prototype.isReserved = function (row, col) {
-  return this.reservedBit[row * this.size + col]
-}
-
-module.exports = BitMatrix

BeadQR/miniprogram/utils/qrcore/byte-data.js

@@ -1,61 +0,0 @@
-const Mode = require('./mode')
-
-// 微信部分真机运行时没有 TextEncoder。二维码 BYTE 段只需要 UTF-8 字节，
-// 在此实现最小兼容编码器，且与 TextEncoder 对无效代理对的处理一致。
-function encodeUtf8 (value) {
-  const bytes = []
-  for (let index = 0; index < value.length; index += 1) {
-    let codePoint = value.charCodeAt(index)
-    if (codePoint >= 0xd800 && codePoint <= 0xdbff) {
-      const next = value.charCodeAt(index + 1)
-      if (next >= 0xdc00 && next <= 0xdfff) {
-        codePoint = 0x10000 + ((codePoint - 0xd800) << 10) + (next - 0xdc00)
-        index += 1
-      } else {
-        codePoint = 0xfffd
-      }
-    } else if (codePoint >= 0xdc00 && codePoint <= 0xdfff) {
-      codePoint = 0xfffd
-    }
-
-    if (codePoint <= 0x7f) {
-      bytes.push(codePoint)
-    } else if (codePoint <= 0x7ff) {
-      bytes.push(0xc0 | (codePoint >> 6), 0x80 | (codePoint & 0x3f))
-    } else if (codePoint <= 0xffff) {
-      bytes.push(0xe0 | (codePoint >> 12), 0x80 | ((codePoint >> 6) & 0x3f), 0x80 | (codePoint & 0x3f))
-    } else {
-      bytes.push(0xf0 | (codePoint >> 18), 0x80 | ((codePoint >> 12) & 0x3f), 0x80 | ((codePoint >> 6) & 0x3f), 0x80 | (codePoint & 0x3f))
-    }
-  }
-  return new Uint8Array(bytes)
-}
-
-function ByteData (data) {
-  this.mode = Mode.BYTE
-  if (typeof (data) === 'string') {
-    this.data = encodeUtf8(data)
-  } else {
-    this.data = new Uint8Array(data)
-  }
-}
-
-ByteData.getBitsLength = function getBitsLength (length) {
-  return length * 8
-}
-
-ByteData.prototype.getLength = function getLength () {
-  return this.data.length
-}
-
-ByteData.prototype.getBitsLength = function getBitsLength () {
-  return ByteData.getBitsLength(this.data.length)
-}
-
-ByteData.prototype.write = function (bitBuffer) {
-  for (let i = 0, l = this.data.length; i < l; i++) {
-    bitBuffer.put(this.data[i], 8)
-  }
-}
-
-module.exports = ByteData

BeadQR/miniprogram/utils/qrcore/dijkstrajs.js

@@ -1,165 +0,0 @@
-'use strict';
-
-/******************************************************************************
- * Created 2008-08-19.
- *
- * Dijkstra path-finding functions. Adapted from the Dijkstar Python project.
- *
- * Copyright (C) 2008
- *   Wyatt Baldwin <self@wyattbaldwin.com>
- *   All rights reserved
- *
- * Licensed under the MIT license.
- *
- *   http://www.opensource.org/licenses/mit-license.php
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *****************************************************************************/
-var dijkstra = {
-  single_source_shortest_paths: function(graph, s, d) {
-    // Predecessor map for each node that has been encountered.
-    // node ID => predecessor node ID
-    var predecessors = {};
-
-    // Costs of shortest paths from s to all nodes encountered.
-    // node ID => cost
-    var costs = {};
-    costs[s] = 0;
-
-    // Costs of shortest paths from s to all nodes encountered; differs from
-    // `costs` in that it provides easy access to the node that currently has
-    // the known shortest path from s.
-    // XXX: Do we actually need both `costs` and `open`?
-    var open = dijkstra.PriorityQueue.make();
-    open.push(s, 0);
-
-    var closest,
-        u, v,
-        cost_of_s_to_u,
-        adjacent_nodes,
-        cost_of_e,
-        cost_of_s_to_u_plus_cost_of_e,
-        cost_of_s_to_v,
-        first_visit;
-    while (!open.empty()) {
-      // In the nodes remaining in graph that have a known cost from s,
-      // find the node, u, that currently has the shortest path from s.
-      closest = open.pop();
-      u = closest.value;
-      cost_of_s_to_u = closest.cost;
-
-      // Get nodes adjacent to u...
-      adjacent_nodes = graph[u] || {};
-
-      // ...and explore the edges that connect u to those nodes, updating
-      // the cost of the shortest paths to any or all of those nodes as
-      // necessary. v is the node across the current edge from u.
-      for (v in adjacent_nodes) {
-        if (adjacent_nodes.hasOwnProperty(v)) {
-          // Get the cost of the edge running from u to v.
-          cost_of_e = adjacent_nodes[v];
-
-          // Cost of s to u plus the cost of u to v across e--this is *a*
-          // cost from s to v that may or may not be less than the current
-          // known cost to v.
-          cost_of_s_to_u_plus_cost_of_e = cost_of_s_to_u + cost_of_e;
-
-          // If we haven't visited v yet OR if the current known cost from s to
-          // v is greater than the new cost we just found (cost of s to u plus
-          // cost of u to v across e), update v's cost in the cost list and
-          // update v's predecessor in the predecessor list (it's now u).
-          cost_of_s_to_v = costs[v];
-          first_visit = (typeof costs[v] === 'undefined');
-          if (first_visit || cost_of_s_to_v > cost_of_s_to_u_plus_cost_of_e) {
-            costs[v] = cost_of_s_to_u_plus_cost_of_e;
-            open.push(v, cost_of_s_to_u_plus_cost_of_e);
-            predecessors[v] = u;
-          }
-        }
-      }
-    }
-
-    if (typeof d !== 'undefined' && typeof costs[d] === 'undefined') {
-      var msg = ['Could not find a path from ', s, ' to ', d, '.'].join('');
-      throw new Error(msg);
-    }
-
-    return predecessors;
-  },
-
-  extract_shortest_path_from_predecessor_list: function(predecessors, d) {
-    var nodes = [];
-    var u = d;
-    var predecessor;
-    while (u) {
-      nodes.push(u);
-      predecessor = predecessors[u];
-      u = predecessors[u];
-    }
-    nodes.reverse();
-    return nodes;
-  },
-
-  find_path: function(graph, s, d) {
-    var predecessors = dijkstra.single_source_shortest_paths(graph, s, d);
-    return dijkstra.extract_shortest_path_from_predecessor_list(
-      predecessors, d);
-  },
-
-  /**
-   * A very naive priority queue implementation.
-   */
-  PriorityQueue: {
-    make: function (opts) {
-      var T = dijkstra.PriorityQueue,
-          t = {},
-          key;
-      opts = opts || {};
-      for (key in T) {
-        if (T.hasOwnProperty(key)) {
-          t[key] = T[key];
-        }
-      }
-      t.queue = [];
-      t.sorter = opts.sorter || T.default_sorter;
-      return t;
-    },
-
-    default_sorter: function (a, b) {
-      return a.cost - b.cost;
-    },
-
-    /**
-     * Add a new item to the queue and ensure the highest priority element
-     * is at the front of the queue.
-     */
-    push: function (value, cost) {
-      var item = {value: value, cost: cost};
-      this.queue.push(item);
-      this.queue.sort(this.sorter);
-    },
-
-    /**
-     * Return the highest priority element in the queue.
-     */
-    pop: function () {
-      return this.queue.shift();
-    },
-
-    empty: function () {
-      return this.queue.length === 0;
-    }
-  }
-};
-
-
-// node.js module exports
-if (typeof module !== 'undefined') {
-  module.exports = dijkstra;
-}

BeadQR/miniprogram/utils/qrcore/error-correction-code.js

@@ -1,135 +0,0 @@
-const ECLevel = require('./error-correction-level')
-
-const EC_BLOCKS_TABLE = [
-// L  M  Q  H
-  1, 1, 1, 1,
-  1, 1, 1, 1,
-  1, 1, 2, 2,
-  1, 2, 2, 4,
-  1, 2, 4, 4,
-  2, 4, 4, 4,
-  2, 4, 6, 5,
-  2, 4, 6, 6,
-  2, 5, 8, 8,
-  4, 5, 8, 8,
-  4, 5, 8, 11,
-  4, 8, 10, 11,
-  4, 9, 12, 16,
-  4, 9, 16, 16,
-  6, 10, 12, 18,
-  6, 10, 17, 16,
-  6, 11, 16, 19,
-  6, 13, 18, 21,
-  7, 14, 21, 25,
-  8, 16, 20, 25,
-  8, 17, 23, 25,
-  9, 17, 23, 34,
-  9, 18, 25, 30,
-  10, 20, 27, 32,
-  12, 21, 29, 35,
-  12, 23, 34, 37,
-  12, 25, 34, 40,
-  13, 26, 35, 42,
-  14, 28, 38, 45,
-  15, 29, 40, 48,
-  16, 31, 43, 51,
-  17, 33, 45, 54,
-  18, 35, 48, 57,
-  19, 37, 51, 60,
-  19, 38, 53, 63,
-  20, 40, 56, 66,
-  21, 43, 59, 70,
-  22, 45, 62, 74,
-  24, 47, 65, 77,
-  25, 49, 68, 81
-]
-
-const EC_CODEWORDS_TABLE = [
-// L  M  Q  H
-  7, 10, 13, 17,
-  10, 16, 22, 28,
-  15, 26, 36, 44,
-  20, 36, 52, 64,
-  26, 48, 72, 88,
-  36, 64, 96, 112,
-  40, 72, 108, 130,
-  48, 88, 132, 156,
-  60, 110, 160, 192,
-  72, 130, 192, 224,
-  80, 150, 224, 264,
-  96, 176, 260, 308,
-  104, 198, 288, 352,
-  120, 216, 320, 384,
-  132, 240, 360, 432,
-  144, 280, 408, 480,
-  168, 308, 448, 532,
-  180, 338, 504, 588,
-  196, 364, 546, 650,
-  224, 416, 600, 700,
-  224, 442, 644, 750,
-  252, 476, 690, 816,
-  270, 504, 750, 900,
-  300, 560, 810, 960,
-  312, 588, 870, 1050,
-  336, 644, 952, 1110,
-  360, 700, 1020, 1200,
-  390, 728, 1050, 1260,
-  420, 784, 1140, 1350,
-  450, 812, 1200, 1440,
-  480, 868, 1290, 1530,
-  510, 924, 1350, 1620,
-  540, 980, 1440, 1710,
-  570, 1036, 1530, 1800,
-  570, 1064, 1590, 1890,
-  600, 1120, 1680, 1980,
-  630, 1204, 1770, 2100,
-  660, 1260, 1860, 2220,
-  720, 1316, 1950, 2310,
-  750, 1372, 2040, 2430
-]
-
-/**
- * Returns the number of error correction block that the QR Code should contain
- * for the specified version and error correction level.
- *
- * @param  {Number} version              QR Code version
- * @param  {Number} errorCorrectionLevel Error correction level
- * @return {Number}                      Number of error correction blocks
- */
-exports.getBlocksCount = function getBlocksCount (version, errorCorrectionLevel) {
-  switch (errorCorrectionLevel) {
-    case ECLevel.L:
-      return EC_BLOCKS_TABLE[(version - 1) * 4 + 0]
-    case ECLevel.M:
-      return EC_BLOCKS_TABLE[(version - 1) * 4 + 1]
-    case ECLevel.Q:
-      return EC_BLOCKS_TABLE[(version - 1) * 4 + 2]
-    case ECLevel.H:
-      return EC_BLOCKS_TABLE[(version - 1) * 4 + 3]
-    default:
-      return undefined
-  }
-}
-
-/**
- * Returns the number of error correction codewords to use for the specified
- * version and error correction level.
- *
- * @param  {Number} version              QR Code version
- * @param  {Number} errorCorrectionLevel Error correction level
- * @return {Number}                      Number of error correction codewords
- */
-exports.getTotalCodewordsCount = function getTotalCodewordsCount (version, errorCorrectionLevel) {
-  switch (errorCorrectionLevel) {
-    case ECLevel.L:
-      return EC_CODEWORDS_TABLE[(version - 1) * 4 + 0]
-    case ECLevel.M:
-      return EC_CODEWORDS_TABLE[(version - 1) * 4 + 1]
-    case ECLevel.Q:
-      return EC_CODEWORDS_TABLE[(version - 1) * 4 + 2]
-    case ECLevel.H:
-      return EC_CODEWORDS_TABLE[(version - 1) * 4 + 3]
-    default:
-      return undefined
-  }
-}

BeadQR/miniprogram/utils/qrcore/error-correction-level.js

@@ -1,50 +0,0 @@
-exports.L = { bit: 1 }
-exports.M = { bit: 0 }
-exports.Q = { bit: 3 }
-exports.H = { bit: 2 }
-
-function fromString (string) {
-  if (typeof string !== 'string') {
-    throw new Error('Param is not a string')
-  }
-
-  const lcStr = string.toLowerCase()
-
-  switch (lcStr) {
-    case 'l':
-    case 'low':
-      return exports.L
-
-    case 'm':
-    case 'medium':
-      return exports.M
-
-    case 'q':
-    case 'quartile':
-      return exports.Q
-
-    case 'h':
-    case 'high':
-      return exports.H
-
-    default:
-      throw new Error('Unknown EC Level: ' + string)
-  }
-}
-
-exports.isValid = function isValid (level) {
-  return level && typeof level.bit !== 'undefined' &&
-    level.bit >= 0 && level.bit < 4
-}
-
-exports.from = function from (value, defaultValue) {
-  if (exports.isValid(value)) {
-    return value
-  }
-
-  try {
-    return fromString(value)
-  } catch (e) {
-    return defaultValue
-  }
-}

BeadQR/miniprogram/utils/qrcore/finder-pattern.js

@@ -1,22 +0,0 @@
-const getSymbolSize = require('./utils').getSymbolSize
-const FINDER_PATTERN_SIZE = 7
-
-/**
- * Returns an array containing the positions of each finder pattern.
- * Each array's element represent the top-left point of the pattern as (x, y) coordinates
- *
- * @param  {Number} version QR Code version
- * @return {Array}          Array of coordinates
- */
-exports.getPositions = function getPositions (version) {
-  const size = getSymbolSize(version)
-
-  return [
-    // top-left
-    [0, 0],
-    // top-right
-    [size - FINDER_PATTERN_SIZE, 0],
-    // bottom-left
-    [0, size - FINDER_PATTERN_SIZE]
-  ]
-}

BeadQR/miniprogram/utils/qrcore/format-info.js

@@ -1,29 +0,0 @@
-const Utils = require('./utils')
-
-const G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0)
-const G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1)
-const G15_BCH = Utils.getBCHDigit(G15)
-
-/**
- * Returns format information with relative error correction bits
- *
- * The format information is a 15-bit sequence containing 5 data bits,
- * with 10 error correction bits calculated using the (15, 5) BCH code.
- *
- * @param  {Number} errorCorrectionLevel Error correction level
- * @param  {Number} mask                 Mask pattern
- * @return {Number}                      Encoded format information bits
- */
-exports.getEncodedBits = function getEncodedBits (errorCorrectionLevel, mask) {
-  const data = ((errorCorrectionLevel.bit << 3) | mask)
-  let d = data << 10
-
-  while (Utils.getBCHDigit(d) - G15_BCH >= 0) {
-    d ^= (G15 << (Utils.getBCHDigit(d) - G15_BCH))
-  }
-
-  // xor final data with mask pattern in order to ensure that
-  // no combination of Error Correction Level and data mask pattern
-  // will result in an all-zero data string
-  return ((data << 10) | d) ^ G15_MASK
-}

BeadQR/miniprogram/utils/qrcore/galois-field.js

@@ -1,69 +0,0 @@
-const EXP_TABLE = new Uint8Array(512)
-const LOG_TABLE = new Uint8Array(256)
-/**
- * Precompute the log and anti-log tables for faster computation later
- *
- * For each possible value in the galois field 2^8, we will pre-compute
- * the logarithm and anti-logarithm (exponential) of this value
- *
- * ref {@link https://en.wikiversity.org/wiki/Reed%E2%80%93Solomon_codes_for_coders#Introduction_to_mathematical_fields}
- */
-;(function initTables () {
-  let x = 1
-  for (let i = 0; i < 255; i++) {
-    EXP_TABLE[i] = x
-    LOG_TABLE[x] = i
-
-    x <<= 1 // multiply by 2
-
-    // The QR code specification says to use byte-wise modulo 100011101 arithmetic.
-    // This means that when a number is 256 or larger, it should be XORed with 0x11D.
-    if (x & 0x100) { // similar to x >= 256, but a lot faster (because 0x100 == 256)
-      x ^= 0x11D
-    }
-  }
-
-  // Optimization: double the size of the anti-log table so that we don't need to mod 255 to
-  // stay inside the bounds (because we will mainly use this table for the multiplication of
-  // two GF numbers, no more).
-  // @see {@link mul}
-  for (let i = 255; i < 512; i++) {
-    EXP_TABLE[i] = EXP_TABLE[i - 255]
-  }
-}())
-
-/**
- * Returns log value of n inside Galois Field
- *
- * @param  {Number} n
- * @return {Number}
- */
-exports.log = function log (n) {
-  if (n < 1) throw new Error('log(' + n + ')')
-  return LOG_TABLE[n]
-}
-
-/**
- * Returns anti-log value of n inside Galois Field
- *
- * @param  {Number} n
- * @return {Number}
- */
-exports.exp = function exp (n) {
-  return EXP_TABLE[n]
-}
-
-/**
- * Multiplies two number inside Galois Field
- *
- * @param  {Number} x
- * @param  {Number} y
- * @return {Number}
- */
-exports.mul = function mul (x, y) {
-  if (x === 0 || y === 0) return 0
-
-  // should be EXP_TABLE[(LOG_TABLE[x] + LOG_TABLE[y]) % 255] if EXP_TABLE wasn't oversized
-  // @see {@link initTables}
-  return EXP_TABLE[LOG_TABLE[x] + LOG_TABLE[y]]
-}

BeadQR/miniprogram/utils/qrcore/kanji-data.js

@@ -1,54 +0,0 @@
-const Mode = require('./mode')
-const Utils = require('./utils')
-
-function KanjiData (data) {
-  this.mode = Mode.KANJI
-  this.data = data
-}
-
-KanjiData.getBitsLength = function getBitsLength (length) {
-  return length * 13
-}
-
-KanjiData.prototype.getLength = function getLength () {
-  return this.data.length
-}
-
-KanjiData.prototype.getBitsLength = function getBitsLength () {
-  return KanjiData.getBitsLength(this.data.length)
-}
-
-KanjiData.prototype.write = function (bitBuffer) {
-  let i
-
-  // In the Shift JIS system, Kanji characters are represented by a two byte combination.
-  // These byte values are shifted from the JIS X 0208 values.
-  // JIS X 0208 gives details of the shift coded representation.
-  for (i = 0; i < this.data.length; i++) {
-    let value = Utils.toSJIS(this.data[i])
-
-    // For characters with Shift JIS values from 0x8140 to 0x9FFC:
-    if (value >= 0x8140 && value <= 0x9FFC) {
-      // Subtract 0x8140 from Shift JIS value
-      value -= 0x8140
-
-    // For characters with Shift JIS values from 0xE040 to 0xEBBF
-    } else if (value >= 0xE040 && value <= 0xEBBF) {
-      // Subtract 0xC140 from Shift JIS value
-      value -= 0xC140
-    } else {
-      throw new Error(
-        'Invalid SJIS character: ' + this.data[i] + '\n' +
-        'Make sure your charset is UTF-8')
-    }
-
-    // Multiply most significant byte of result by 0xC0
-    // and add least significant byte to product
-    value = (((value >>> 8) & 0xff) * 0xC0) + (value & 0xff)
-
-    // Convert result to a 13-bit binary string
-    bitBuffer.put(value, 13)
-  }
-}
-
-module.exports = KanjiData