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1 | #include "chartbackground_p.h" | |
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2 | #include <QPen> | |
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3 | #include <QBrush> | |
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4 | #include <QPainter> | |
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5 | ||
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6 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
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7 | ||
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8 | ChartBackground::ChartBackground(QGraphicsItem* parent):QGraphicsRectItem(parent), | |
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9 | m_diameter(15) | |
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10 | { | |
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11 | ||
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12 | } | |
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13 | ||
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14 | ChartBackground::~ChartBackground() | |
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15 | { | |
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16 | ||
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17 | } | |
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18 | ||
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19 | void ChartBackground::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) | |
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20 | { | |
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21 | Q_UNUSED(option); | |
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22 | Q_UNUSED(widget); | |
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23 | painter->setPen(pen()); | |
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24 | painter->setBrush(brush()); | |
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25 | painter->drawRoundRect(rect(),roundness(rect().width()),roundness(rect().height())); | |
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26 | } | |
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27 | ||
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28 | int ChartBackground::roundness(qreal size) const | |
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29 | { | |
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30 | return 100*m_diameter/int(size); | |
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31 | } | |
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32 | ||
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33 | int ChartBackground::diameter() const | |
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34 | { | |
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35 | return m_diameter; | |
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36 | } | |
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37 | ||
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38 | void ChartBackground::setDimeter(int dimater) | |
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39 | { | |
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40 | m_diameter=dimater; | |
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41 | } | |
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42 | ||
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43 | QTCOMMERCIALCHART_END_NAMESPACE | |
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1 | #ifndef CHARTBACKGROUND_H_ | |
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2 | #define CHARTBACKGROUND_H_ | |
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3 | ||
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4 | #include "qchartglobal.h" | |
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5 | #include <QGraphicsRectItem> | |
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6 | ||
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7 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
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8 | ||
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9 | class ChartBackground: public QGraphicsRectItem | |
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10 | { | |
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11 | public: | |
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12 | ChartBackground(QGraphicsItem *parent =0); | |
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13 | ~ChartBackground(); | |
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14 | ||
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15 | void setDimeter(int dimater); | |
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16 | int diameter() const; | |
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17 | ||
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18 | ||
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19 | protected: | |
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20 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | |
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21 | ||
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22 | ||
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23 | private: | |
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24 | int roundness(qreal size) const; | |
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25 | ||
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26 | private: | |
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27 | int m_diameter; | |
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28 | ||
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29 | }; | |
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30 | ||
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31 | #endif /* CHARTBACKGROUND_H_ */ | |
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32 | ||
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33 | QTCOMMERCIALCHART_END_NAMESPACE | |
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