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| author | Miikka Heikkinen <miikka.heikkinen@theqtcompany.com> | 2015-09-25 12:23:06 +0300 |
|---|---|---|
| committer | Titta Heikkala <titta.heikkala@theqtcompany.com> | 2015-09-25 11:26:56 +0000 |
| commit | f0e8ba2c495bff9309bc084b5d976aa84a67a5d9 (patch) | |
| tree | c6e3062b255f84d97ff0ae0d29e9e3333a79f002 /dist | |
| parent | 5f1cb1e2b8d7ca9de826876b28a6981fddc1e70a (diff) | |
Added note about performance improvements to the changes file
Change-Id: I2ef7ce6975e838249400bf44c583e9397053be5f
Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>
Diffstat (limited to 'dist')
| -rw-r--r-- | dist/changes-2.1.0 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/dist/changes-2.1.0 b/dist/changes-2.1.0 index 0e40c475..93cb7c39 100644 --- a/dist/changes-2.1.0 +++ b/dist/changes-2.1.0 @@ -1,5 +1,13 @@ Qt Charts 2.1.0 +Performance Improvements +-------------------- +Qt Charts now supports accelerating drawing of line and scatter series with +OpenGL. In cases involving large amounts of points, this radically +improves performance. For example, a high-end desktop system with a good GPU +can draw a series with millions of points at a useful frame rate. +See QAbstractSeries::useOpenGL documentation for more information. + New features ------------ - Added support for QAbstractSeries::useOpenGL property @@ -8,6 +16,7 @@ New features - Added support for minor ticks to value axis - Added support for bar series value label angle - Added QXYSeries::replace(QVector<QPointF> points) overload +- Added QXYSeries::pointsVector() to get series points as a QVector. - Added possibility to set duration and easing curve for chart animation - Added a method to remove more than one point to QXYSeries - Added option to set labels clipping |