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Part of #579: macOS fonts registered from other folders are listed too

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The font scan read only the macOS font folders and the Additional
Fonts Folder, so fonts that apps and font managers register with
CoreText from their own folders were missing from the font menus, and
exports set such type in the fallback font. CoreText's font manager
lists them with the installed fonts.

- `mac_fonts.rs` lists the files of the fonts the font manager has
  available (`CTFontManagerCopyAvailableFontURLs`, through
  objc2-core-text), keeping only file URLs as `open_documents.rs` does
  (#433). The desktop app and `vectorcraft-cli` install it as they
  install the DirectWrite lister on Windows, and the scan reads the
  files outside the font folders in place.
- The scan leaves out faces with no outlines the font engine draws (no
  glyf, CFF, CFF2 or VARC table), on every platform. CoreText lists
  Apple's PingFang UI interface font (macOS 27), whose outlines are in
  an hvgl table; if the scan cataloged it, PingFang SC would count as
  installed, and Chinese characters in fallback text, Japanese kanji
  included, would draw blank.
- Tests: the list holds the installed fonts by full path, a font
  registered from another folder is listed while it is registered, and
  a face without outlines the engine draws isn't cataloged.
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dotCooCoo
2026-10-09 08:16:33 -07:00
parent 0a91fd9b44
commit 4b00c2d968
10 changed files with 155 additions and 7 deletions
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@@ -2516,9 +2516,12 @@ Type can use the bundled fonts, fonts added to the session and the fonts install
the system's and the user's font folders (Windows: `Fonts` and `%LOCALAPPDATA%\Microsoft\Windows\Fonts`, plus fonts
registered outside them, such as fonts installed as shortcuts, and in the desktop app and `vectorcraft-cli` (MCP
included) the fonts in DirectWrite's system font collection, such as those Adobe Fonts activates while Creative Cloud runs; macOS: `/System/Library/Fonts`, `/Library/Fonts`,
`/Network/Library/Fonts`, `~/Library/Fonts` and downloaded system fonts; Linux and BSD: `/usr/share/fonts`,
`/Network/Library/Fonts`, `~/Library/Fonts` and downloaded system fonts, plus in the desktop app and `vectorcraft-cli`
the fonts CoreText's font manager lists outside them, such as those apps and font managers register from their own
folders; Linux and BSD: `/usr/share/fonts`,
`/usr/local/share/fonts`, `~/.fonts` and the XDG data folders' `fonts`, `~/.local/share/fonts` among them, and in a
Flatpak sandbox the host's fonts). The installed fonts are cataloged once per session (in the background when the app starts, else on the first lookup
Flatpak sandbox the host's fonts). Faces without outlines VectorCraft draws (no `glyf`, `CFF`, `CFF2` or `VARC` table, such
as bitmap-only fonts) are left out. The installed fonts are cataloged once per session (in the background when the app starts, else on the first lookup
by family name), so opening, placing, pasting and importing files find them whatever ran before. `text.fontList`
lists every family available, the installed ones included, as the font menus do: without the system's hidden
families, whose names start with "." (macOS's ".SF NS", ".LastResort"), which still resolve when a document names