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- <title>圆角切角对照 · C 泓池 / 深空蓝</title>
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- <h1>圆角切角对照 · C 泓池 / 深空蓝</h1>
- <p class="sub">iOS 连续曲率 squircle 遮罩,R = 边长 × 22.37%。原方角图已存在 <code>_原始方角备份/</code>。</p>
- <section>
- <h2>icon.png <span>1024×1024 · Expo 顶层 icon / Android 传统图标 / 启动页图</span></h2>
- <p class="note">iOS 走 <code style="background:#1f2630;padding:1px 5px;border-radius:4px">expo.icon</code> 分层包,不吃这张,所以带 alpha 不影响上架。</p>
- <div class="row">
- <div class="cell"><div class="plate dark"><img src="_原始方角备份/icon.png" width="160" height="160"></div><div class="cap">原始 方角</div></div>
- <div class="cell"><div class="plate dark"><img src="icon.png" width="160" height="160"></div><div class="cap">圆角 <span class="tag on">新</span></div></div>
- <div class="cell"><div class="plate light"><img src="icon.png" width="160" height="160"></div><div class="cap">浅底</div></div>
- <div class="cell"><div class="plate checker"><img src="icon.png" width="160" height="160"></div><div class="cap">透明通道</div></div>
- <div class="cell"><div class="plate dark" style="background:#1B4FD8"><img src="icon.png" width="76" height="76"></div><div class="cap">启动页 76px @ #1B4FD8</div></div>
- </div>
- </section>
- <section>
- <h2>android-icon-background.png <span>512×512 · 自适应背景层</span></h2>
- <p class="note">Android 自己的遮罩只露中间 72/108,四角本来就裁在外面 —— 设备上看不出差别,单看文件是圆角。</p>
- <div class="row">
- <div class="cell"><div class="plate dark"><img src="_原始方角备份/android-icon-background.png" width="140" height="140"></div><div class="cap">原始 方角</div></div>
- <div class="cell"><div class="plate dark"><img src="android-icon-background.png" width="140" height="140"></div><div class="cap">圆角 <span class="tag on">新</span></div></div>
- <div class="cell"><div class="plate light"><img src="android-icon-background.png" width="140" height="140"></div><div class="cap">浅底</div></div>
- <div class="cell"><div class="plate checker"><img src="android-icon-background.png" width="140" height="140"></div><div class="cap">透明通道</div></div>
- </div>
- </section>
- <section>
- <h2>favicon.png <span>48×48 · Web</span></h2>
- <p class="note">唯一一处圆角真正被用户看到的地方:浏览器标签页、书签、桌面快捷方式都不套系统遮罩。遮罩按 32 倍超采样再降到 48px,边缘不毛。</p>
- <div class="row">
- <div class="cell"><div class="plate dark"><img class="px" src="_原始方角备份/favicon.png" width="192" height="192"></div><div class="cap">原始 方角 · 4×放大</div></div>
- <div class="cell"><div class="plate dark"><img class="px" src="favicon.png" width="192" height="192"></div><div class="cap">圆角 · 4×放大 <span class="tag on">新</span></div></div>
- <div class="cell"><div class="plate light"><img class="px" src="favicon.png" width="192" height="192"></div><div class="cap">浅底 · 4×放大</div></div>
- <div class="cell"><div class="plate checker"><img class="px" src="favicon.png" width="192" height="192"></div><div class="cap">透明通道</div></div>
- <div class="cell"><div class="plate dark"><img src="favicon.png" width="48" height="48"></div><div class="cap">1:1 原大</div></div>
- </div>
- </section>
- <hr>
- <footer>
- <b>没动的四件:</b>android-icon-foreground.png、android-icon-monochrome.png、splash-icon.png 是透明底的主体标记,没有底板,切圆角没有意义;expo.icon 由 iOS 系统自己套形状。<br>
- <b>角形参数:</b>连续曲率(非圆弧),直边在距角点 1.5287R 处收住,与 iOS 主屏图标遮罩一致。1024 → R 229.1px,512 → R 114.5px,48 → R 10.7px。
- </footer>
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