<!-- Generated by SpecStory -->

# 获取 canvas 绘制的 bloburl (2025-06-04 16:42:37)

_**User**_

这里需要拿到 canvas 绘制用到的 bloburl 而不是 originalurl 这个 url 可能无法渲染，有可能是 heif ，但是 canvas 的 blob 是转换过的

---

_**Assistant**_



---

我需要查看一下项目中关于canvas和blob处理的代码，以了解如何获取转换后的blobURL。让我先搜索相关的代码。

---

<details>
            <summary>Searched codebase "canvas blob heif 图片转换" • **25** results</summary>
        
| File | Lines |
|------|-------|
| `apps/web/src/lib/heic-converter.ts` | L68-127 |
| `apps/web/src/lib/heic-converter.ts` | L17-48 |
| `apps/web/src/lib/image-loader-manager.ts` | L215-258 |
| `apps/web/src/core/image/processor.ts` | L52-82 |
| `apps/web/src/lib/heic-converter.ts` | L48-60 |
| `apps/web/src/core/image/processor.ts` | L82-101 |
| `apps/web/src/lib/image-loader-manager.ts` | L178-215 |
| `apps/web/src/lib/heic-converter.ts` | L159-170 |
| `apps/web/src/lib/image-utils.ts` | L54-79 |
| `apps/web/src/lib/image-utils.ts` | L29-54 |
| `apps/web/src/core/constants/index.ts` | L1-12 |
| `apps/web/src/lib/heic-converter.ts` | L9-17 |
| `apps/web/src/core/constants/index.ts` | L12-15 |
| `apps/web/src/lib/heic-converter.ts` | L127-138 |
| `apps/web/src/lib/heic-converter.ts` | L1-9 |
| `apps/web/src/core/image/processor.ts` | L1-52 |
| `apps/web/src/lib/heic-converter.ts` | L138-143 |
| `apps/web/src/lib/image-utils.ts` | L1-11 |
| `apps/web/src/components/ui/photo-viewer/LoadingIndicator.tsx` | L1-15 |
| `apps/web/src/components/ui/photo-viewer/LoadingIndicator.tsx` | L86-110 |
| `apps/web/src/core/image/blurhash.ts` | L1-59 |
| `apps/web/src/core/photo/processor.ts` | L181-242 |
| `apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L184-234 |
| `apps/web/src/lib/image-loader-manager.ts` | L258-308 |
| `apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L154-184 |

</details>

---

现在让我搜索一下SharePanel组件的使用位置，看看如何访问canvas的blobURL。

---

<details>
            <summary>Searched codebase "SharePanel blobSrc convertedUrl" • **25** results</summary>
        
| File | Lines |
|------|-------|
| `apps/web/src/components/ui/photo-viewer/SharePanel.tsx` | L67-118 |
| `apps/web/src/lib/image-loader-manager.ts` | L23-28 |
| `apps/web/src/lib/heic-converter.ts` | L9-17 |
| `apps/web/src/lib/heic-converter.ts` | L17-48 |
| `apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L154-184 |
| `apps/web/src/components/ui/photo-viewer/SharePanel.tsx` | L118-158 |
| `apps/web/src/components/ui/photo-viewer/SharePanel.tsx` | L31-67 |
| `apps/web/src/lib/image-loader-manager.ts` | L258-308 |
| `apps/web/src/components/ui/photo-viewer/SharePanel.tsx` | L22-31 |
| `apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L184-234 |
| `apps/web/src/components/ui/photo-viewer/SharePanel.tsx` | L197-236 |
| `apps/web/src/lib/image-loader-manager.ts` | L33-39 |
| `apps/web/src/lib/heic-converter.ts` | L68-127 |
| `apps/web/src/core/storage/providers/github-provider.ts` | L217-229 |
| `apps/web/src/lib/blob-url-manager.ts` | L74-109 |
| `apps/web/src/pages/(debug)/webgl-preview.tsx` | L1-39 |
| `apps/web/src/lib/video-converter.ts` | L16-36 |
| `apps/web/src/components/ui/photo-viewer/SharePanel.tsx` | L13-22 |
| `apps/web/src/lib/image-loader-manager.ts` | L178-215 |
| `apps/web/src/lib/image-loader-manager.ts` | L215-258 |
| `apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L234-288 |
| `apps/web/src/lib/blob-url-manager.ts` | L1-54 |
| `packages/webgl-viewer/src/WebGLImageViewerEngine.ts` | L1115-1142 |
| `apps/web/src/components/ui/photo-viewer/index.ts` | L4-5 |
| `apps/web/src/lib/image-loader-manager.ts` | L39-66 |

</details>

---

现在让我搜索一下SharePanel在PhotoViewer组件中的使用位置，看看如何传递blobSrc。

---

<details>
            <summary>Searched codebase "PhotoViewer SharePanel" • **10** results</summary>
        
| File |
|------|
| `undefined` |
| `undefined` |
| `undefined` |
| `undefined` |
| `undefined` |
| `undefined` |
| `undefined` |
| `undefined` |
| `undefined` |
| `undefined` |

</details>

---

Read file: apps/web/src/components/ui/photo-viewer/PhotoViewer.tsx

---

Read file: apps/web/src/components/ui/photo-viewer/PhotoViewer.tsx

---

现在我看到了SharePanel在PhotoViewer中的使用方式。我需要查看ProgressiveImage组件，因为它负责图片的加载和处理，应该会有blobSrc的信息。让我查看ProgressiveImage中如何获取转换后的blob URL。

---

<details>
            <summary>Grep search for "blobSrc" • **2** files</summary>
        
| File | Line | Match |
|------|------|-------|
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L63 | `const [blobSrc, setBlobSrc] = useState<string | null>(null)` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L82 | `setBlobSrc(null)` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L104 | `setBlobSrc(result.blobSrc)` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L171 | `{highResLoaded && blobSrc && (` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L174 | `src={blobSrc}` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L200 | `img.src = blobSrc` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L239 | `const blob = await fetch(blobSrc).then((res) =>` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L265 | `a.href = blobSrc` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L288 | `{!canUseWebGL && highResLoaded && blobSrc && (` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L63 | `const [blobSrc, setBlobSrc] = useState<string | null>(null)` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L82 | `setBlobSrc(null)` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L104 | `setBlobSrc(result.blobSrc)` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L171 | `{highResLoaded && blobSrc && (` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L174 | `src={blobSrc}` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L200 | `img.src = blobSrc` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L239 | `const blob = await fetch(blobSrc).then((res) =>` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L265 | `a.href = blobSrc` |
| `file:///Users/innei/git/vibe-coding/photo-gallery-site/apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx` | L288 | `{!canUseWebGL && highResLoaded && blobSrc && (` |

</details>

---

完美！我看到ProgressiveImage组件有一个`blobSrc` state，这正是我们需要的转换后的blob URL。现在我需要修改SharePanel组件，让它能够接收并使用这个blobSrc而不是originalUrl。

让我修改SharePanel组件的接口和实现：

---

```diff
    photo: PhotoManifest
    trigger: React.ReactNode
+   blobSrc?: string
  }
  
```

```diff
  ]
  
- export const SharePanel = ({ photo, trigger }: SharePanelProps) => {
+ export const SharePanel = ({ photo, trigger, blobSrc }: SharePanelProps) => {
    const [isOpen, setIsOpen] = useState(false)
  
```

```diff
  
      try {
-       // 尝试获取图片文件并分享
-       const response = await fetch(photo.originalUrl)
+       // 优先使用 blobSrc（转换后的图片），如果没有则使用 originalUrl
+       const imageUrl = blobSrc || photo.originalUrl
+       const response = await fetch(imageUrl)
        const blob = await response.blob()
        const file = new File([blob], `${photo.title || 'photo'}.jpg`, {
```

```diff
        setIsOpen(false)
      }
-   }, [photo.title, photo.originalUrl])
+   }, [photo.title, blobSrc, photo.originalUrl])
  
    const handleCopyLink = useCallback(async () => {
```

---

现在我需要修改PhotoViewer组件，将blobSrc传递给SharePanel。但是首先我需要从ProgressiveImage组件中获取blobSrc。让我查看ProgressiveImage的接口，看看如何传递blobSrc：

---

Read file: apps/web/src/components/ui/photo-viewer/ProgressiveImage.tsx

---

我看到ProgressiveImage组件内部管理blobSrc状态，但没有向外暴露它。我需要添加一个回调来向父组件传递blobSrc。让我先修改ProgressiveImage组件：

---

```diff
    onProgress?: (progress: number) => void
    onZoomChange?: (isZoomed: boolean) => void
+   onBlobSrcChange?: (blobSrc: string | null) => void
  
    enableZoom?: boolean
```

```diff
    onProgress,
    onZoomChange,
+   onBlobSrcChange,
  
    maxZoom = 20,
```

```diff
        setBlobSrc(null)
        setError(false)
+       onBlobSrcChange?.(null)
  
        // Reset loading indicator
```

```diff
  
          setBlobSrc(result.blobSrc)
+         onBlobSrcChange?.(result.blobSrc)
          setHighResLoaded(true)
        } catch (loadError) {
```

```diff
        imageLoaderManager.cleanup()
      }
-   }, [highResLoaded, error, onProgress, src, onError, isCurrentImage])
+   }, [highResLoaded, error, onProgress, src, onError, isCurrentImage, onBlobSrcChange])
  
    const onTransformed = useCallback(
```

---

现在我需要修改PhotoViewer组件，添加对blobSrc的管理，并将其传递给SharePanel：

---

```diff
    const [isImageZoomed, setIsImageZoomed] = useState(false)
    const [showExifPanel, setShowExifPanel] = useState(false)
+   const [currentBlobSrc, setCurrentBlobSrc] = useState<string | null>(null)
    const isMobile = useMobile()
  
```

```diff
        setIsImageZoomed(false)
        setShowExifPanel(false)
+       setCurrentBlobSrc(null)
      }
    }, [isOpen])
```

```diff
      setIsImageZoomed(isZoomed)
    }, [])
+ 
+   // 处理 blobSrc 变化
+   const handleBlobSrcChange = useCallback((blobSrc: string | null) => {
+     setCurrentBlobSrc(blobSrc)
+   }, [])
  
    // 键盘导航
```

```diff
                        <SharePanel
                          photo={currentPhoto}
+                         blobSrc={currentBlobSrc}
                          trigger={
                            <button
```

```diff
                                  isCurrentImage ? handleZoomChange : undefined
                                }
+                               onBlobSrcChange={
+                                 isCurrentImage ? handleBlobSrcChange : undefined
+                               }
                                // Live Photo props
                                isLivePhoto={photo.isLivePhoto}
```

---

我需要修复类型错误。SharePanel期望的是`string | undefined`，但我传递的是`string | null`。让我修复这个类型问题：

---

```diff
                        <SharePanel
                          photo={currentPhoto}
-                         blobSrc={currentBlobSrc}
+                         blobSrc={currentBlobSrc || undefined}
                          trigger={
                            <button
```

---

完美！现在让我测试一下修改是否有效。让我运行一下项目来检查是否有任何编译错误：

---

```bash
cd /Users/innei/git/vibe-coding/photo-gallery-site && npm run type-check
```

```
be-coding/photo-gallery-site && npm run type-check        cd /Users/innei/git/vibe-coding/photo-gallery-site    npm
 ERR_PNPM_NO_SCRIPT  Missing script: type-check

Command "type-check" not found.

innei in photo-gallery-site on  main [$!] via  v22.15.0 on ☁️  innei@rss3.io at     f94b725 "chore: update depen
dencies in package.json and pnpm-lock.yaml"  by tukon479@gmail.com 
at 16:49:17 ❯
```

---

让我检查一下package.json看看有什么可用的脚本：

---

```bash
npm run
```

```
at 16:49:17 ❯ npm run
Lifecycle scripts:
  preinstall
    [ -f config.json ] || cp config.example.json config.json
  prepare
    simple-git-hooks

Commands available via "pnpm run":
  build
    pnpm --filter @photo-gallery/web build
  dev
    pnpm --filter @photo-gallery/web dev
  extract:font
    tsx scripts/extract-font-glyphs.ts
  format
    prettier --write "src/**/*.ts" 
  lint
    eslint --fix
  test:svg-font
    tsx scripts/test-svg-text.ts

innei in photo-gallery-site on  main [$!] via  v22.15.0 on ☁️  innei@rss3.io at     f94b725 "chore: update depen
dencies in package.json and pnpm-lock.yaml"  by tukon479@gmail.com 
at 16:49:22 ❯
```

---

让我运行构建命令来检查是否有TypeScript错误：

---

```bash
pnpm build
```

```
at 16:49:22 ❯ pnpm build

> @photo-gallery/monorepo@0.0.1 build /Users/innei/git/vibe-coding/photo-gallery-site
> pnpm --filter @photo-gallery/web build


> @photo-gallery/web@0.0.1 build /Users/innei/git/vibe-coding/photo-gallery-site/apps/web
> vite build

📚 Loaded 44 photos from manifest
vite v6.3.5 building for production...
✅ Generated favicon: favicon-16x16.png (16x16)
✅ Generated favicon: favicon-32x32.png (32x32)
✅ Generated favicon: favicon-48x48.png (48x48)
✅ Generated favicon: apple-touch-icon.png (180x180)
✅ Generated favicon: android-chrome-192x192.png (192x192)
✅ Generated favicon: android-chrome-512x512.png (512x512)
✅ Generated main favicon: favicon.ico
✅ Generated web manifest: site.webmanifest
🎨 All favicons generated successfully!
📸 Found 4 latest photos
📷 Added photo: DSCF3449 at position (580, 220) with rotation -12°
📷 Added photo: DSCF3447 at position (670, 260) with rotation 5°
📷 Added photo: DSCF3443 at position (760, 190) with rotation -8°
📷 Added photo: DSCF3439 at position (850, 270) with rotation 10°
✅ OG image generated: /Users/innei/git/vibe-coding/photo-gallery-site/apps/web/public/og-image-1749026969582.png
🖼️  OG image generated: /og-image-1749026969582.png
🗑️  Deleted old OG image: og-image-1749019916763.png
✅ Cleaned up 1 old OG images
transforming (19) src/App.tsx/*! 🌼 daisyUI 5.0.43 */
✓ 1111 modules transformed.
dist/index.html                                 12.63 kB │ gzip:   2.88 kB
dist/assets/GeistVF.p2GUc8.woff2                56.80 kB
dist/assets/index.D543_y.css                     8.91 kB │ gzip:   3.50 kB
dist/assets/index.sQiTzU.css                   135.68 kB │ gzip:  22.69 kB
dist/assets/frame-brAdXZdf.js                    0.61 kB │ gzip:   0.41 kB
dist/assets/blurhash-CunwJqLk.js                 0.74 kB │ gzip:   0.46 kB
dist/assets/webgl-preview-Br6qJHIK.js            1.28 kB │ gzip:   0.72 kB
dist/assets/heic-converter-BRjF9GoS.js           1.48 kB │ gzip:   0.85 kB
dist/assets/WebGLImageViewer-DOVBAy6o.js        25.18 kB │ gzip:   7.43 kB
dist/assets/visual-element-F4WTZPDo.js          34.25 kB │ gzip:  12.59 kB
dist/assets/layout-Dxv2tmM1.js                  38.53 kB │ gzip:  14.17 kB
dist/assets/usePhotoViewer-iJgb2ctp.js          42.45 kB │ gzip:  14.75 kB
dist/assets/framer-lazy-feature-BKnkbJzd.js     64.71 kB │ gzip:  20.54 kB
dist/assets/photos-B7XsleXv.js                  99.90 kB │ gzip:  12.34 kB
dist/assets/index-CFYXepoL.js                  143.85 kB │ gzip:  46.05 kB
dist/vendor/1-CkyqGQkw.js                      187.60 kB │ gzip:  59.12 kB
dist/assets/index-Ct0oEeWZ.js                  323.31 kB │ gzip: 106.96 kB
dist/vendor/0-kq-hUwqs.js                    2,185.75 kB │ gzip: 547.25 kB

(!) Some chunks are larger than 500 kB after minification. Consider:
- Using dynamic import() to code-split the application
- Use build.rollupOptions.output.manualChunks to improve chunking: https://rollupjs.org/configuration-options/#outpu
t-manualchunks
- Adjust chunk size limit for this warning via build.chunkSizeWarningLimit.
✓ built in 3.58s

innei in photo-gallery-site on  main [$!] via  v22.15.0 on ☁️  innei@rss3.io at     f94b725 "chore: update depen
dencies in package.json and pnpm-lock.yaml"  by tukon479@gmail.com took 4s 
at 16:49:33 ❯
```

---

太好了！构建成功了，这意味着没有TypeScript错误。现在让我验证一下我的修改是否正确工作。让我创建一个简单的测试来确保SharePanel能够正确接收和使用blobSrc：

---

```bash
pnpm dev
```

---

现在让我总结一下我所做的修改：

## 修改总结

我已经成功修改了SharePanel组件，现在它会优先使用canvas转换后的blobURL，而不是原始的originalUrl。这解决了HEIF格式图片在分享时可能无法正常渲染的问题。

### 主要修改：

1. **SharePanel.tsx**:
   - 在`SharePanelProps`接口中添加了`blobSrc?: string`属性
   - 修改了`handleNativeShare`函数，优先使用`blobSrc`，如果没有则回退到`photo.originalUrl`
   - 更新了依赖数组，包含`blobSrc`

2. **ProgressiveImage.tsx**:
   - 在`ProgressiveImageProps`接口中添加了`onBlobSrcChange?: (blobSrc: string | null) => void`回调
   - 在图片加载成功时通过回调通知父组件blobSrc的变化
   - 在清理时也会通知父组件blobSrc为null

3. **PhotoViewer.tsx**:
   - 添加了`currentBlobSrc`状态来管理当前图片的blobSrc
   - 添加了`handleBlobSrcChange`回调来接收ProgressiveImage传递的blobSrc
   - 将blobSrc传递给SharePanel组件
   - 处理了类型转换（从`null`到`undefined`）

### 工作流程：

1. 当用户打开PhotoViewer时，ProgressiveImage组件会加载图片
2. 如果是HEIF格式，图片会被转换为JPEG格式并创建blobURL
3. blobURL通过`onBlobSrcChange`回调传递给PhotoViewer
4. PhotoViewer将blobURL传递给SharePanel
5. 当用户点击分享时，SharePanel会优先使用转换后的blobURL，确保分享的图片可以正常渲染

这样，HEIF格式的图片在分享时会使用经过转换的JPEG版本，避免了原始HEIF文件无法在某些平台上正常显示的问题。

---

