98 lines
3.8 KiB
Markdown
98 lines
3.8 KiB
Markdown
# 图片格式化
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已知 `*.hdslb.com` `*.biliimg.com` 等域名作用等效, 对于请求头 `Referer` 要求留空或在 `.bilibili.com` 等 B 站域名下 <!--(所以 B 站图床 img 标签要加上 `referrerpolicy="no-referrer"`)-->
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对于以上域名的 `/bfs/` 下的图片文件都可以使用以下可选格式化参数
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使用 `@` 开始参数 (无论格式如何, 无论是否有参数, 通过计算 HASH 发现, 使用 `@` 均会导致返回图片不同), 多个参数以 `_` 分隔, 图片格式无需分隔且必须放在最后
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参见: [#191](https://github.com/SocialSisterYi/bilibili-API-collect/issues/191)
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注: jpg 即 jpeg, 二者等效. 网页端常用 AVIF, WebP.
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| 参数 | 格式 | 含义 | 备注 |
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| ---- | ------- | ---------------- | ---------------- |
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| w | ${int}w | 图片最大限制宽度 | 范围 [1, 9223372036854775807] |
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| h | ${int}h | 图片最大限制高度 | 范围 [1, 9223372036854775807] |
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| s | ${int}s | 作用尚不明确 | 不影响输出结果, 范围 [1, 9223372036854775807] |
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| e | ${int}e | 改变大小 | 0: 保留比例取其小, 1: 保留比例取其大, 2: 不保留原比例 |
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| p | ${int}p | 缩放倍数 | 默认100, 范围 [1, 1000] |
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| o | ${int}o | 作用尚不明确 | 不影响输出结果 范围 [0, 1] |
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| q | ${int}q | 图片质量百分比 | 仅限webp/jpeg/avif |
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| c | ${int}c | 裁切图片(如果宽高允许) | 0: 不裁切但会修改图片, 1: 上传时的预设规则(若无则右下), 2: 左上, 3: 右上 |
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| f | ${int}f | 作用尚不明确 | [0, 1]: 不改变图片, 2: 会改变图片 |
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| progressive | progressive | 图片编码方式 | 仅限 jpeg(无: baseline, 有: progressive)/png(无:non-interlaced, 有: interlaced) |
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| ! | !${str} | 加载来源 | web-home-carousel-cover, header, web-dynamic, web-avatar-space-header, ... |
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| . | .${str} | 图片格式 | 仅限 png/jpeg/webp/avif/[avg_color](#avg_color格式说明) |
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**示例：**
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<details>
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<summary>查看示例:</summary>
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原始图片
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https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg
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<img src="https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg" referrerpolicy="no-referrer" />
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高度限制为100
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https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@100h
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<img src="https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@100h" referrerpolicy="no-referrer" />
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宽度限制为100
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https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@100w
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<img src="https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@100w" referrerpolicy="no-referrer" />
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转换格式为webp
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https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@.webp
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<img src="https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@.webp" referrerpolicy="no-referrer" />
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转换为webp图片质量为1%
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https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@1q.webp
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<img src="https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@1q.webp" referrerpolicy="no-referrer" />
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</details>
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## avg_color格式说明
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当图片格式化输出格式为`avg_color`时
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> /bfs/\*/\*.*@\*.avg_color
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*请求方式：GET*
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**json回复：**
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根对象：
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| 字段 | 类型 | 内容 | 备注 |
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| ------ | ---- | ----------- | ------ |
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| RGB | str | 平均颜色值 | HEX |
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**示例：**
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获取 https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg 的平均颜色值
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```shell
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curl 'https://i1.hdslb.com/bfs/archive/e5fff1472bad1c0c6bcb3004205f9be23b58ffc0.jpg@.avg_color'
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```
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<details>
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<summary>查看响应示例：</summary>
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```json
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{
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"RGB": "#7d6f6c"
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}
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```
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</details>
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