app-icon-rasterizelisted

# App icon rasterize (SVG → 1024 PNG) Use when a designer hands off the icon as SVG and you need the PNG that `AppIcon.appiconset/Contents.json` references. This is the gap discovered during first-pass icon production on a real project — the SVG → 1024 PNG step was undocumented (only the downstream Pillow Lanczos *downscale* to the macOS ladder was written up). Each appearance — Light, Dark, Tinted — is a single 1024 universal PNG produced by exactly one rasterize step, documented here. (Tinted is now a standard third appearance alongside Light and Dark; all apps in the reference project ship `AppIcon-Tinted.png`.) ## When to use - Designer subagent (or human designer) produced a clean `light.svg` + `dark.svg` + `tinted.svg` matching the icon spec - You need the matching `AppIcon-Light.png` + `AppIcon-Dark.png` in `<app>/Assets.xcassets/AppIcon.appiconset/` - No `rsvg-convert` / `inkscape` / `imagemagick` and no Homebrew — `qlmanage` (QuickLook) ships with macOS and is the rasteriser of record here (this skill exists precisely for the no-Homebrew case) ## When NOT to use - The SVG uses `<filter>` blurs, `<text>`, embedded fonts, or other features QuickLook's SVG generator may render unreliably. Re-author the SVG with flat shapes first. - The SVG already ships as PNG from the designer (e.g. Affinity / Figma export). Just commit the PNG. ## macOS ladder reality check **As of Xcode 26 / macOS Sequoia, macOS app icons still require the explicit 16/32/128/256/512 ladder**