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| 1 | Qt Charts 2.1.0 |
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1 | Qt Charts 2.1.0 | |
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2 | |||
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3 | Performance Improvements | |||
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4 | -------------------- | |||
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5 | Qt Charts now supports accelerating drawing of line and scatter series with | |||
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6 | OpenGL. In cases involving large amounts of points, this radically | |||
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7 | improves performance. For example, a high-end desktop system with a good GPU | |||
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8 | can draw a series with millions of points at a useful frame rate. | |||
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9 | See QAbstractSeries::useOpenGL documentation for more information. | |||
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10 | ||||
| 3 | New features |
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11 | New features | |
| 4 | ------------ |
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12 | ------------ | |
| 5 | - Added support for QAbstractSeries::useOpenGL property |
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13 | - Added support for QAbstractSeries::useOpenGL property | |
| 6 | - Added possibility to set labels position for QCategoryAxis |
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14 | - Added possibility to set labels position for QCategoryAxis | |
| 7 | - Added reverse axis support |
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15 | - Added reverse axis support | |
| 8 | - Added support for minor ticks to value axis |
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16 | - Added support for minor ticks to value axis | |
| 9 | - Added support for bar series value label angle |
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17 | - Added support for bar series value label angle | |
| 10 | - Added QXYSeries::replace(QVector<QPointF> points) overload |
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18 | - Added QXYSeries::replace(QVector<QPointF> points) overload | |
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19 | - Added QXYSeries::pointsVector() to get series points as a QVector. | |||
| 11 | - Added possibility to set duration and easing curve for chart animation |
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20 | - Added possibility to set duration and easing curve for chart animation | |
| 12 | - Added a method to remove more than one point to QXYSeries |
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21 | - Added a method to remove more than one point to QXYSeries | |
| 13 | - Added option to set labels clipping |
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22 | - Added option to set labels clipping | |
| 14 | - Added grid color property for value axis |
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23 | - Added grid color property for value axis | |
| 15 | - Added mapToPosition and mapToValue methods to ChartView |
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24 | - Added mapToPosition and mapToValue methods to ChartView | |
| 16 | - Added zooming functions to ChartView to correspond the ones available for QChart |
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25 | - Added zooming functions to ChartView to correspond the ones available for QChart | |
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26 | |||
| 18 | Fixed issues |
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27 | Fixed issues | |
| 19 | ------------ |
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28 | ------------ | |
| 20 | - Fixed crash with PolarChart due to wrong AreaSeries initialization |
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29 | - Fixed crash with PolarChart due to wrong AreaSeries initialization | |
| 21 | - Fixed assert failure due to wrong default axis for DeclarativeChart |
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30 | - Fixed assert failure due to wrong default axis for DeclarativeChart | |
| 22 | - Fixed XYSeries point label drawing |
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31 | - Fixed XYSeries point label drawing | |
| 23 | - Fixed issues with area series point labels |
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32 | - Fixed issues with area series point labels | |
| 24 | - Fixed space reservation with empty chart title |
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33 | - Fixed space reservation with empty chart title | |
| 25 | - Fixed axis zoom in animation crash issue |
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34 | - Fixed axis zoom in animation crash issue | |
| 26 | - Fixed area series animation crash issue |
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35 | - Fixed area series animation crash issue | |
| 27 | - Fixed documentation issues |
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36 | - Fixed documentation issues | |
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