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97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
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#ifndef EASY_PROFILER_GRAPHICS_IMAGE_ITEM_H
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#define EASY_PROFILER_GRAPHICS_IMAGE_ITEM_H
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#include <QGraphicsItem>
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#include <atomic>
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#include "timer.h"
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#include "thread_pool_task.h"
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class GraphicsImageItem : public QGraphicsItem
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{
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protected:
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using Parent = QGraphicsItem;
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using This = GraphicsImageItem;
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QRectF m_boundingRect;
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QImage m_image;
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Timer m_boundaryTimer;
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ThreadPoolTask m_worker;
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QPointF m_mousePos;
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QImage* m_workerImage;
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qreal m_imageOrigin;
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qreal m_imageScale;
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qreal m_imageOriginUpdate;
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qreal m_imageScaleUpdate;
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qreal m_workerImageOrigin;
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qreal m_workerImageScale;
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qreal m_topValue;
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qreal m_bottomValue;
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qreal m_maxValue;
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qreal m_minValue;
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std::atomic_bool m_bReady;
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private:
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Timer m_timer;
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bool m_bPermitImageUpdate; ///< Is false when m_workerThread is parsing input dataset (when setSource(_block_id) is called)
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public:
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explicit GraphicsImageItem();
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~GraphicsImageItem() override;
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QRectF boundingRect() const override;
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virtual bool pickTopValue();
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virtual bool increaseTopValue();
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virtual bool decreaseTopValue();
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virtual bool pickBottomValue();
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virtual bool increaseBottomValue();
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virtual bool decreaseBottomValue();
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virtual bool updateImage();
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virtual void onModeChanged();
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protected:
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virtual void onImageUpdated();
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public:
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void onValueChanged();
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void setMousePos(const QPointF& pos);
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void setMousePos(qreal x, qreal y);
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void setBoundingRect(const QRectF& _rect);
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void setBoundingRect(qreal x, qreal y, qreal w, qreal h);
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bool cancelImageUpdate();
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protected:
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void paintImage(QPainter* _painter);
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void paintImage(QPainter* _painter, qreal _scale, qreal _sceneLeft, qreal _sceneRight,
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qreal _visibleRegionLeft, qreal _visibleRegionWidth);
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void setImageUpdatePermitted(bool _permit);
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bool isImageUpdatePermitted() const;
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void cancelAnyJob();
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void resetTopBottomValues();
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bool isReady() const;
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void setReady(bool _ready);
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void startTimer();
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void stopTimer();
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private:
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void onTimeout();
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}; // end of class GraphicsImageItem.
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#endif //EASY_PROFILER_GRAPHICS_IMAGE_ITEM_H
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