On Wed, 13 Oct 2021 23:59:40 GMT, Phil Race <p...@openjdk.org> wrote:
> On an external (non-retina) monitor JavaFX LCD text on macOS is painful on > the eyes. > Retina diminishes it rather than cures it. > > The problem is a mix of a couple of things > 1) CoreText no longer generates LCD glyphs (except perhaps if you change some > system settings at your own risk) > 2) Prism's LCD shader assumes it got LCD glyphs and makes sub-pixel > positioning adjustments that turn greyscale > glyphs into multi-coloured glyphs that weren't meant to be ... > > The fix here is to just disable LCD by default on macOS as is already done > (eg) on iOS > This ripples through to make everything use grey scale even if you asked for > the LCD (which you can't have) > It also means if you REALLY want it (and perhaps are tweaking those magical > settings) you can have it back > by just specifying -Dprism.lcdtext=on > > Also it means the pieces of support for this on macos are still there if > Apple ever bring it back (unlikely). > Not that much code would be removed anyway .. a fair amount of it is needed > for Windows and Linux. This pull request has now been integrated. Changeset: a118d333 Author: Phil Race <p...@openjdk.org> URL: https://git.openjdk.java.net/jfx/commit/a118d33314a363336134d31c45b50329594e5a24 Stats: 3 lines in 2 files changed: 1 ins; 0 del; 2 mod 8236689: macOS 10.15 Catalina: LCD text renders badly Reviewed-by: kcr, pbansal ------------- PR: https://git.openjdk.java.net/jfx/pull/642
