From f0e8ba2c495bff9309bc084b5d976aa84a67a5d9 2015-09-25 11:26:56 From: Miikka Heikkinen Date: 2015-09-25 11:26:56 Subject: [PATCH] Added note about performance improvements to the changes file Change-Id: I2ef7ce6975e838249400bf44c583e9397053be5f Reviewed-by: Titta Heikkala --- diff --git a/dist/changes-2.1.0 b/dist/changes-2.1.0 index 0e40c47..93cb7c3 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 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