79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
#ifndef MAPCAVAS_H
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#define MAPCAVAS_H
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#include "QGraphicsView"
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#include "qlabel.h"
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#include <QVector>
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#include "RasterLayer.h"
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class MapTool;
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class Mapcavas : public QGraphicsView
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{
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Q_OBJECT
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public:
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Mapcavas(QWidget* pParent = NULL);
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~Mapcavas();
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void DisplayFrameNumber(int frameNumber);
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void mousePressEvent(QMouseEvent *event);
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void mouseMoveEvent(QMouseEvent *event);
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void mouseReleaseEvent(QMouseEvent *event);
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void mouseDoubleClickEvent(QMouseEvent *event);
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void SetImage(QPixmap *image);
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bool HasImage();
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void ensureSceneVisible();
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void wheelEvent(QWheelEvent *event) Q_DECL_OVERRIDE;
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void scaling(qreal scaleFactor);
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void zoomIn(); // 放大
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void zoomOut(); // 缩小
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void zoom(float scaleFactor); // 缩放 - scaleFactor缩放的比例因子
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// 平移速度
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void setTranslateSpeed(qreal speed);
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qreal translateSpeed() const;
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// 缩放的增量
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void setZoomDelta(qreal delta);
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qreal zoomDelta() const;
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// new: set raster layer and refresh map
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void setLayers(RasterLayer* layer);
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void freshmap();
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void freshmap(const RasterLayer::RenderParams& params);
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RasterLayer* rasterLayer() const;
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// MapTool management
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void setMapTool(MapTool* tool);
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void unsetMapTool(MapTool* tool);
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MapTool* mapTool() const;
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protected:
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QGraphicsScene *m_qtGraphicsScene;
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private:
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QGraphicsPixmapItem *m_GraphicsPixmapItemHandle;
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QLabel *m_framNumberLabel;//显示实时采集到的帧数
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RasterLayer* m_rasterLayer = nullptr; // associated raster layer
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MapTool* m_mapTool = nullptr; // current active map tool
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qreal m_translateSpeed; // 平移速度
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qreal m_zoomDelta; // 缩放的增量
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bool m_bMouseTranslate; // 平移标识
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QPoint m_lastMousePos; // 鼠标最后按下的位置
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qreal m_scale; // 缩放值
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signals:
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void leftMouseButtonPressed(int, int, QVector<double>, QVector<double>);
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};
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#endif
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