Last change
on this file since 9559 was 3291, checked in by weber, 14 years ago |
Scaling site distribution map from caster sourcetable contents
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File size:
1.1 KB
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1 |
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2 | #ifndef BNCMAPVIEW_H
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3 | #define BNCMAPVIEW_H
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4 |
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5 | #include <QGraphicsView>
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6 | #include <QGraphicsRectItem>
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7 | #include <iostream>
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8 |
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9 | class BncMapView : public QGraphicsView
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10 | {
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11 | Q_OBJECT;
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12 |
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13 | public:
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14 | BncMapView(QWidget* parent = NULL);
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15 |
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16 | virtual void resetScale();
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17 | virtual void zoom(qreal scale);
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18 |
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19 | double scale(){ return _scale; }
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20 | double scale_curr(){ return _scCur; }
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21 | double scale_rate(){ return _scale/_scCur; }
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22 |
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23 |
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24 | protected:
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25 | QPointF _currentCenterPoint; // centerpoint for for panning and zooming
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26 | QPoint _lastPanPoint; // from panning the view
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27 | void SetCenter(const QPointF& centerPoint); // set the current centerpoint in the
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28 |
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29 | QPointF GetCenter(){ return _currentCenterPoint; }
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30 |
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31 | virtual void mousePressEvent(QMouseEvent* event);
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32 | virtual void mouseReleaseEvent(QMouseEvent* event);
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33 | virtual void mouseMoveEvent(QMouseEvent* event);
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34 | virtual void wheelEvent(QWheelEvent* event);
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35 | virtual void resizeEvent(QResizeEvent* event);
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36 |
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37 | private:
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38 | double _scale; // scale
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39 | double _scCur; // current relative scale
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40 | };
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41 |
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42 | #endif
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