QChart 設置部分圖例隱藏場景介紹
- 在我們繪制QChart圖形中，如果需要繪制折線柱狀等多種格式序列時，我們只想柱狀圖顯示圖例怎，折線圖例隱藏怎么實現呢？
QChart 設置部分圖例隱藏解決辦法
- 關鍵詞：
- 所有序列標記：QList<QLegendMarker *> QLegend::markers(QAbstractSeries *series = Q_NULLPTR) const
- 枚舉值： enum QLegendMarker::LegendMarkerType
- The type of the legend marker object.This enum was introduced or modified in Qt 5.8.
| Constant |
Value |
Description |
| QLegendMarker::LegendMarkerTypeArea |
0 |
A legend marker for an area series. |
| QLegendMarker::LegendMarkerTypeBar |
1 |
A legend marker for a bar set. |
| QLegendMarker::LegendMarkerTypePie |
2 |
A legend marker for a pie slice. |
| QLegendMarker::LegendMarkerTypeXY |
3 |
A legend marker for a line, spline, or scatter series. |
| QLegendMarker::LegendMarkerTypeBoxPlot |
4 |
A legend marker for a box plot series. |
| QLegendMarker::LegendMarkerTypeCandlestick |
5 |
A legend marker for a candlestick series. |
1 foreach (QLegendMarker* marker, chart->legend()->markers()) 2 { 3 if(marker->type() == QLegendMarker::LegendMarkerTypeXY) 4 { 5 marker->setVisible(false); 6 } 7 }
