45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
#ifndef DISPLAYAREA_H
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#define DISPLAYAREA_H
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#include <QWidget>
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class DisplayArea : public QWidget
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{
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Q_OBJECT
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public:
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DisplayArea(QWidget *parent = nullptr);
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void setPixel(int x,int y,unsigned int col);
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bool saveImage(const QString &fileName, const char *fileFormat);
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void updateColorMap(float oldMin,float oldMax,float newMin,float newMax,QImage palette);
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bool pixelSet(int x,int y);
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void updateScale(unsigned long minFreq, unsigned long maxFreq, unsigned long freqStep, unsigned long timeStep,QDateTime* startDate,QDateTime* endDate);
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protected:
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void paintEvent(QPaintEvent *event) override;
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private:
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void resizeImage(QImage *image, const QSize &newSize);
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unsigned long remap(unsigned long val,float omin,float omax,float nmin,float nmax);
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unsigned long findPaletteIndex(QRgb col,QRgb* palette,unsigned long size);
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void displayScale(QPainter* painter);
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unsigned long minFreq=0;
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unsigned long maxFreq=0;
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unsigned long freqStep=0;
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unsigned long timeStep=0;
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QDateTime* startDate;
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QDateTime* endDate;
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QImage image;
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public slots:
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void updateDisp();
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signals:
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};
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#endif // DISPLAYAREA_H
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