Hello all,
According to this page, it is now possible to enable Harfbuzz on Mac by setting
an environment variable:
https://bugreports.qt-project.org/browse/QTBUG-17728
However, unless I'm missing something I haven't been able to enable
Harfbuzz on Mac. I'm using Qt 4.8, which according to the sources should
have this feature enabled. It should be as simple as setting the
environment variable: QT_ENABLE_HARFBUZZ which I have done. However, after
doing this, my text output still looks drastically different on Mac than
on Windows/Linux. I am using a TTF font by the way. Am I correct that if I
am using Harfbuzz on Mac my text should be pixel perfect with
Windows/Linux (with maybe the exception of subpixel aliasing). My outputs
are drastically different. The text sizes are many pixels different, even
with the same font and same font size. Most importantly, there are still
some rendering bugs on Mac which aren't on Windows/Linux which leads me to
believe I haven't enabled Harfbuzz properly. I used the following code
which is pulled straight from the Qt sources and the environment variable
seems set properly: QByteArray v = qgetenv("QT_ENABLE_HARFBUZZ"); So does
anyone have any ideas on what I am missing? Why would the text output
still be different on Mac?
Josh
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