Hi, there is also qnanopainter, an opengl / nanovg based painting library for qt, it is available under the zlib license at https://github.com/QUItCoding/qnanopainter However, I only used this on an i.MX6Q with entaviv on qt 5.15 years ago, the performance was very good though.
Am Mi., 8. Mai 2024 um 22:19 Uhr schrieb Stan Morris <pixelgre...@gmail.com>: > > I need to draw a lot of lines with low CPU utilization in a QtQuick app on > ARM i.MX8. Neither QML Shapes nor QNanoPainter are fast enough. > > What do you recommend? > > Drawing with QSGGeometry is fast enough, but I need to draw lines with widths > greater than one pixel and there's an annoying notch on line joins. My first > attempt at rounded end caps ends up as single pixels. I see there are ways to > draw circles... but I feel like QSGGeometry is the wrong direction. This is > Qt 6.7 on Linux (could be Qt 6.8 in a few months). Surely there is something > better? > > QSGRenderNode and QRhi look promising, but I want to get an opinion before I > spend the next few weeks exploring QSGRenderNode. Also, it would be nice to > draw text from C++ to keep the interface simple. > > Thanks, Stan > _______________________________________________ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest -- Regards Samuel _______________________________________________ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
