listTrueTypeFonts on Mac OSX does not list all installed TrueType fonts

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Stefan Glasauer 2022-8-18

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https://ww2.mathworks.cn/matlabcentral/answers/1781810-listtruetypefonts-on-mac-osx-does-not-list-all-installed-truetype-fonts

编辑： Stefan Glasauer 2022-8-21

On my Mac (OSX Monetery 12.5.1) Matlab's listTrueTypeFonts only lists installed TrueType fonts located in /Users/thisuser/Library/Fonts or /System/Library/Fonts, but not in the subfolder /System/Library/Fonts/Supplemental, where actually most of the installed TrueType fonts on my computer are located.

One workaround is to copy a ttf file from /System/Library/Fonts/Supplemental to another folder, and install it from there, so that it will be copied to the user folder /Users/thisuser/Library/Fonts.

Any other solution? I guess this is a bug, and listTrueTypeFonts should list all installed fonts, including those located in Supplemental ...

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Stefan Glasauer 2022-8-18

编辑：Stefan Glasauer 2022-8-21

Update: the newly installed font shows up in listTrueTypeFonts, but, as an example, when I install "Courier New", I get an error message when trying to use it:

Error using insertText>populateGlyphBuffer_sim

FreeType: Unable to load font file.

Error in insertText (line 146)

populateGlyphBuffer_sim(font,fontFileName,faceIndex,fontSize);

The crash happens in visionPopulateGlyphBuffer, which is "an undocumented builtin function" according to Matlab help.

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