diff options
Diffstat (limited to 'src/xychart/xychart.cpp')
| -rw-r--r-- | src/xychart/xychart.cpp | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/src/xychart/xychart.cpp b/src/xychart/xychart.cpp index ecadf676..3d442c5a 100644 --- a/src/xychart/xychart.cpp +++ b/src/xychart/xychart.cpp @@ -24,6 +24,7 @@ #include "chartpresenter_p.h" #include "abstractdomain_p.h" #include "qxymodelmapper.h" +#include "qabstractaxis_p.h" #include <QPainter> #include <QAbstractItemModel> @@ -32,7 +33,7 @@ QTCOMMERCIALCHART_BEGIN_NAMESPACE //TODO: optimize : remove points which are not visible -XYChart::XYChart(QXYSeries *series,QGraphicsItem* item): +XYChart::XYChart(QXYSeries *series, QGraphicsItem *item): ChartItem(series->d_func(),item), m_series(series), m_animation(0), @@ -46,7 +47,7 @@ XYChart::XYChart(QXYSeries *series,QGraphicsItem* item): QObject::connect(this, SIGNAL(hovered(QPointF,bool)), series, SIGNAL(hovered(QPointF,bool))); } -void XYChart::setGeometryPoints(const QVector<QPointF>& points) +void XYChart::setGeometryPoints(const QVector<QPointF> &points) { m_points = points; } @@ -61,6 +62,32 @@ void XYChart::setDirty(bool dirty) m_dirty = dirty; } +// Returns a vector with same size as geometryPoints vector, indicating +// the off grid status of points. +QVector<bool> XYChart::offGridStatusVector() +{ + qreal minX = domain()->minX(); + qreal maxX = domain()->maxX(); + qreal minY = domain()->minY(); + qreal maxY = domain()->maxY(); + + QVector<bool> returnVector; + returnVector.resize(m_points.size()); + + for (int i = 0; i < m_points.size(); i++) { + const QPointF &seriesPoint = m_series->pointAt(i); + if (seriesPoint.x() < minX + || seriesPoint.x() > maxX + || seriesPoint.y() < minY + || seriesPoint.y() > maxY) { + returnVector[i] = true; + } else { + returnVector[i] = false; + } + } + return returnVector; +} + void XYChart::updateChart(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, int index) { |