On Mittwoch, 17. Oktober 2018 22:11:38 CEST Tomasz Olszak wrote: > Ok, > It's a lot more clear. Thank you for explanation! > > I used default font with pixel size 100 and according to FontMetrics: > 1. family: "Sans Serif" > 2. pointSize: 75 > 3. pixelSize: 100 > 4. ascent 93 > 5. descent: 24 > 6. height: 117 > 7. leading -1 > > So how ascent, descent, leading is related to 100. How can I calculate > font.pixelSiize knowing that capital letter height is 100. By trial > and errors the font with pixel size = 137 and ascent = 129 have > capital letter(without accent) of 100 pixel height. > Is it a way to determin font.pixelSize if we want the non accent > capilat letter to be e.g 100px? Or should I just iterate over pixel > sizes and calculate using fontMetrics and tightBoundingRect for > capitalized letter without accent? > You should read the capHeight of the font. I think QFontMetrics can give you that (https://doc.qt.io/qt-5/qfontmetrics.html#capHeight), though I am not sure if there are QML bindings for that. In any case capital latin letters are generally all the same height, so you could probably just measure the height of H or M.
_______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
