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[README.mingw.md] Final touches, hopefully

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Behdad Esfahbod 2025-03-22 12:31:21 -06:00
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@ -168,24 +168,35 @@ DirectWrite API by Wine, and not the real thing. If you want to test the
Uniscribe or DirectWrite shapers against the real Uniscribe / DirectWrite, you
can follow the instructions below.
11. Uniscribe: Assuming a 32bit build for now. Bring a 32bit version of
`usp10.dll` for yourself from `C:\Windows\SysWOW64\usp10.dll` of your Windows
installation (assuming you have a 64-bit installation, otherwise
`C:\Windows\System32\usp10.dll`). You want one from Windows 7 or earlier.
One that is not just a proxy for `textshaping.dll`. Rule of thumb, your
`usp10.dll` should have a size more than 500kb. Put the file in
`build-win/src`.
11. Old Uniscribe: Assuming a 32bit build for now.
Bring a 32bit version of `usp10.dll` for yourself from
`C:\Windows\SysWOW64\usp10.dll` of your 64bit Windows installation,
or `C:\Windows\System32\usp10.dll` for 32bit Windows installation.
You want one from Windows 7 or earlier. One that is not just a proxy for
`TextShaping.dll`. Rule of thumb, your `usp10.dll` should have a size more
than 500kb.
Put the file in `~/.wine/drive_c/windows/syswow64/` so wine can find it.
You can now tell wine to use the native `usp10.dll`:
- `export WINEDLLOVERRIDES="usp10=n"`
- `wine build-win/util/hb-shape.exe perf/fonts/Roboto-Regular.ttf Test --shaper=uniscribe`
12. DirectWrite: You can use the same method to test the DirectWrite shaper
against the native DirectWrite DLL. Try with a 64bit build this time. Bring
`textshaping.dll`, `dwrite.dll`, and `usp10.dll` from your Windows installation
(`C:\Windows\System32`) to `build-win/src`. You can now tell wine to use the
native DirectWrite:
12. DirectWrite and new Uniscribe: You can use the same method to test the
DirectWrite shaper against the native DirectWrite DLL. Try with a 64bit build
this time.
Bring `TextShaping.dll`, `DWrite.dll`, and `usp10.dll` from your 64bit Windows
installation (`C:\Windows\System32`) to `~/.wine/drive_c/windows/system32/`.
You want the ones from Windows 10 or later. You might have some luck downloading
them from the internet, but be careful with the source. I had success with the
DLLs from [https://dllme.com](dllme.com), but I cannot vouch for the site.
You can now tell wine to use the native DirectWrite:
- `export WINEDLLOVERRIDES="textshaping,dwrite,usp10=n"`
- `wine build-win/util/hb-shape.exe perf/fonts/Roboto-Regular.ttf Test --shaper=directwrite`